#include <org/xwt/plat/Darwin$CarbonOpenGL.h>
#include <org/xwt/plat/Darwin$FileDialogHelper.h>
#include <org/xwt/plat/GCJ$Retainer.h>
-#include <org/xwt/Proxy.h>
+#include <org/xwt/HTTP$Proxy.h>
#include <org/xwt/util/Semaphore.h>
#include <stdlib.h>
checkStatus(r,"PutScrapFlavor");
}
-Proxy *Darwin::natDetectProxy() {
- using org::xwt::Proxy;
- Proxy *p=0;
+HTTP$Proxy *Darwin::natDetectProxy() {
+ using org::xwt::HTTP$Proxy;
+ HTTP$Proxy *p=0;
CFStringRef string;
CFNumberRef number;
SmartCFString smartString;
number = (CFNumberRef) CFDictionaryGetValue(proxyInfo, kSCPropNetProxies ## proto ## Port); \
if(number != NULL && CFGetTypeID(number) != CFNumberGetTypeID()) number = NULL; \
if(string && number && CFNumberGetValue(number,kCFNumberIntType,&i) && i) { \
- if(!p) p = new Proxy(); \
+ if(!p) p = new HTTP$Proxy(); \
p->var ## ProxyHost = cfStringToJString(string); \
p->var ## ProxyPort = i; \
} \
private native static int cgScreenWidth();
private native static int cgScreenHeight();
protected native void _newBrowserWindow(String url);
- protected native Proxy natDetectProxy();
+ protected native HTTP.Proxy natDetectProxy();
private native void natInit();
protected native void _exit();
}
}
- protected synchronized Proxy _detectProxy() {
+ protected synchronized HTTP.Proxy _detectProxy() {
return natDetectProxy();
}
public void reshape(int w, int h) { }
}
- static class GLCarbonPixelBuffer extends OpenGL.GLDoubleBuffer {
+ static class GLCarbonPixelBuffer extends OpenGL.GLPixelBuffer {
RawData rawCTX;
RawData rawWindowRef;
int textureName;
public native void natDispose();
}
- /*private class QZCarbonPixelBuffer extends DoubleBuffer {
+ /*private class QZCarbonPixelBuffer extends PixelBuffer {
public QZCarbonPixelBuffer(int width, int height) {
}
}
}*/
- protected PixelBuffer _createDoubleBuffer(int w, int h, Surface owner) {
+ protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) {
if(openGL != null)
return new GLCarbonPixelBuffer(w,h,openGL);
else
}
/** this is done with reflection in case a new version of the plugin comes out that doesn't let us pull the sun.plugin.* trick */
- protected synchronized org.xwt.Proxy _detectProxy() {
- return (org.xwt.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
+ protected synchronized org.xwt.HTTP.Proxy _detectProxy() {
+ return (org.xwt.HTTP.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
public Object run() {
try {
- org.xwt.Proxy pi = new org.xwt.Proxy();
+ org.xwt.HTTP.Proxy pi = new org.xwt.HTTP.Proxy();
Class PluginProxyHandler = Class.forName("sun.plugin.protocol.PluginProxyHandler");
Method getDefaultProxyHandler = PluginProxyHandler.getMethod("getDefaultProxyHandler", new Class[] { });
});
}
- protected PixelBuffer _createDoubleBuffer(int w, int h, Surface owner) { return new Java2DoubleBuffer(w, h); }
+ protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return new Java2PixelBuffer(w, h); }
protected Surface _createSurface(final Box root, final boolean framed) {
return (Surface)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
public Object run() {
}
}
- protected static class Java2PixelBuffer extends AWTDoubleBuffer {
+ protected static class Java2PixelBuffer extends AWTPixelBuffer {
private static ColorModel cm = Toolkit.getDefaultToolkit().getColorModel();
private static Hashtable emptyHashtable = new Hashtable();
private static short[] sbank = null;
public NotSupportedException(String s) { super(s); }
}
- public static abstract class GLPixelBuffer extends DoubleBuffer {
+ public static abstract class GLPixelBuffer extends PixelBuffer {
protected int width;
protected int height;
public int getWidth() { return width; }
}
public Picture createPicture(int[] data, int w, int h) {
- if(w*h != data.length) throw new Error("w*h != data.length");
if(rectangularTextures && w <= maxRectTexSize && h <= maxRectTexSize) new RectGLPicture(data,w,h,this);
if(w <= maxTexSize && h <= maxTexSize) return new SquareGLPicture(data,w,h,this);
return new MosaicGLPicture(data,w,h,this);
protected boolean _needsAutoClick() { return true; }
protected String getDescriptiveName() { return "GCJ Win32 Binary"; }
protected Surface _createSurface(Box b, boolean framed) { return new Win32Surface(b, framed); }
- protected PixelBuffer _createDoubleBuffer(int w, int h, Surface owner) { return new Win32DoubleBuffer(w, h, (Win32Surface)owner); }
+ protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return new Win32PixelBuffer(w, h, (Win32Surface)owner); }
protected Picture _createPicture(int[] b, int w, int h) { return new Win32Picture(b, w, h); }
protected native int _getScreenWidth();
protected native int _getScreenHeight();
private native void __detectProxy(String[] container);
- protected synchronized Proxy _detectProxy() {
+ protected synchronized HTTP.Proxy _detectProxy() {
String[] container = new String[] { null, null, null };
if (Log.on) Log.log(this, "accessing Win32 registry");
if (Log.on) Log.log(this, "Proxy Server String: " + container[0]);
if (Log.on) Log.log(this, "Proxy Override String: " + container[1]);
- Proxy ret = new Proxy();
+ HTTP.Proxy ret = new HTTP.Proxy();
if (container[2] != null) {
- ret.proxyAutoConfigFunction = Proxy.getProxyAutoConfigFunction(container[2]);
+ ret.proxyAutoConfigFunction = HTTP.Proxy.getProxyAutoConfigFunction(container[2]);
if (ret.proxyAutoConfigFunction != null) return ret;
}
// Win32PixelBuffer //////////////////////////////////////////////////////////////////////////
- public static class Win32PixelBuffer extends DoubleBuffer {
+ public static class Win32PixelBuffer extends PixelBuffer {
int w = 0;
int h = 0;
}
void org::xwt::plat::X11$X11Surface::blit(org::xwt::PixelBuffer* db, jint sx, jint sy, jint dx, jint dy, jint dx2, jint dy2) {
- org::xwt::plat::X11$X11PixelBuffer *xdb = (org::xwt::plat::X11$X11DoubleBuffer*)db;
+ org::xwt::plat::X11$X11PixelBuffer *xdb = (org::xwt::plat::X11$X11PixelBuffer*)db;
XCopyArea(display, *((Pixmap*)xdb->pm), *((Window*)window), *((GC*)gc), sx, sy, dx2 - dx, dy2 - dy, dx, dy);
XFlush(display);
}
protected String[] _listFonts() { return fontList; }
protected Picture _createPicture(int[] data, int w, int h) { return new X11Picture(data, w, h); }
- protected PixelBuffer _createDoubleBuffer(int w, int h, Surface owner) { return new X11DoubleBuffer(w, h); }
+ protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return new X11PixelBuffer(w, h); }
protected Surface _createSurface(Box b, boolean framed) { return new X11Surface(b, framed); }
protected boolean _needsAutoClick() { return true; }
protected native int _getScreenWidth();
void buildPixelBuffer(boolean needsStipple) {
if (doublebuf != null) return;
// no point in using a shared pixmap since we'll only write to this image once
- X11PixelBuffer b = new X11DoubleBuffer(width, height, false);
+ X11PixelBuffer b = new X11PixelBuffer(width, height, false);
b.drawPicture(this, 0, 0);
if (needsStipple) b.createStipple(this);
doublebuf = b;
* with all-or-nothing alpha will not use shared pixmaps, however
* (since they are only written to once.
*/
- public static class X11PixelBuffer extends DoubleBuffer {
+ public static class X11PixelBuffer extends PixelBuffer {
int clipx, clipy, clipw, cliph;
int width;
--- /dev/null
+package org.xwt.translators;
+import org.xwt.*;
+import org.xwt.util.*;
+import java.io.*;
+
+// FEATURE: use streams, not memoryfont's
+// FEATURE: kerning pairs
+public class Font {
+
+ Font() { }
+
+ private static org.xwt.mips.Interpreter vm = null;
+
+ public static synchronized void renderGlyphs(Res res, int pointsize, int firstGlyph, int lastGlyph, Cache glyphCache) {
+ try {
+ if (vm == null) {
+ vm = new org.xwt.mips.Interpreter("freetype.mips");
+ vm.start(new String[]{ "freetype.mips"});
+ vm.execute();
+ }
+
+ int FONT_RESERVED = 256*1024;
+ int baseAddr = vm.sbrk(FONT_RESERVED);
+
+ byte[] fontstream = Resources.isToByteArray(res.getInputStream());
+ vm.copyout(fontstream, baseAddr, fontstream.length);
+ vm.setUserInfo(0, baseAddr);
+ vm.setUserInfo(1, fontstream.length);
+ vm.setUserInfo(2, firstGlyph);
+ vm.setUserInfo(3, lastGlyph);
+ vm.setUserInfo(4, pointsize);
+
+ long start = System.currentTimeMillis();
+
+ for(int g = firstGlyph; g <= lastGlyph; g++) {
+ vm.execute();
+
+ Glyph glyph = new Glyph();
+ glyph.max_ascent = vm.getUserInfo(8);
+ glyph.max_descent = vm.getUserInfo(9) - glyph.max_ascent;
+ glyph.baseline = vm.getUserInfo(10);
+ glyph.advance = vm.getUserInfo(11);
+ glyph.c = (char)g;
+
+ gid.width = vm.getUserInfo(6);
+ gid.height = vm.getUserInfo(7);
+ if (gid.data == null || gid.data.length < gid.width * gid.height)
+ gid.data = new int[gid.width * gid.height];
+ int addr = vm.getUserInfo(5);
+
+ for(int i=0; i<gid.width * gid.height; i += 4) {
+ int val = vm.memRead(addr + i);
+ for (int k = 3; k >= 0; k--) {
+ if (i + k < gid.width * gid.height)
+ gid.data[i + k] = (val & 0xff) << 24;
+ val >>>= 8;
+ }
+ }
+
+ glyph.p = Platform.createPicture(gid);
+ glyphCache.put(res, new Integer((g << 16) | pointsize), glyph);
+ }
+ } catch (Exception e) {
+ Log.log(Font.class, e);
+ }
+ }
+
+ private static GlyphImageDecoder gid = new GlyphImageDecoder();
+ private static class GlyphImageDecoder extends ImageDecoder {
+ int[] data = null;
+ int width, height;
+ public int getWidth() { return width; }
+ public int getHeight() { return height; }
+ public int[] getData() { return data; }
+ }
+}
--- /dev/null
+// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
+
+#include <freetype/freetype.h>
+
+/* NOTE: _user_info is defined in crt0.c. It points to a 4096 byte
+ block of memory that contains 1024 32-bit values that can be set
+ with the setUserInfo() method of MIPSEmu.
+
+ The VM will pause after initialization. When unpaused, it expects
+ that:
+
+ user_info[0] = ptr to font byte stream in memory
+ user_info[1] = length of font stream
+ user_info[2] = unicode index of first glyph to render
+ user_info[3] = unicode index of last glyph to render
+ user_info[4] = point size to render in
+
+ The VM will then iterate over the requested glyphs, performing the
+ following actions for each glyph:
+
+ - render the glyph
+ - store the address of the glyph bitmap in user_info[5]
+ - store the width of the glyph bitmap in user_info[6]
+ - store the height of the glyph bitmap in user_info[7]
+ - store the font's ascender into user_info[8]
+ - store the font's height into user_info[9]
+ - store the glyph's ascender into user_info[10]
+ - store the glyph's advance into user_info[11]
+
+ The VM will then pause after each glyph. The VM should not be
+ unpaused after the last glyph until the next glyph set has been
+ configured in user_info (ie it does not pause twice).
+
+*/
+
+extern char **_user_info;
+
+FT_Library library; /* handle to library */
+FT_Face face; /* handle to face object */
+
+#define FT_Check(expr) do { \
+ if((expr) != 0) { \
+ fprintf(stderr, #expr " failed\n"); \
+ exit(EXIT_FAILURE); \
+ } \
+} while(0)
+
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#define min(a, b) ((a) < (b) ? (a) : (b))
+
+extern void emu_pause();
+
+int main(int argc, char** argv) {
+ char *fontdata;
+ int glyph_index;
+ short charcode;
+
+ FT_Check(FT_Init_FreeType(&library));
+ emu_pause();
+
+ for(;;) {
+ FT_Check(FT_New_Memory_Face(library, _user_info[0], (int)_user_info[1], 0, &face));
+ FT_Check(FT_Set_Char_Size(face, 0, ((int)_user_info[4]) * 64, 72, 72));
+
+ for(charcode = (int)_user_info[2]; charcode <= (int)_user_info[3]; charcode++) {
+
+ glyph_index = FT_Get_Char_Index(face, charcode);
+ FT_Check(FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT | FT_LOAD_FORCE_AUTOHINT));
+ FT_Check(FT_Render_Glyph(face->glyph, FT_RENDER_MODE_NORMAL));
+
+ _user_info[5] = (char*)face->glyph->bitmap.buffer;
+ _user_info[6] = (char*)face->glyph->bitmap.width;
+ _user_info[7] = (char*)face->glyph->bitmap.rows;
+ _user_info[8] = (char*)(face->size->metrics.ascender >> 6);
+ _user_info[9] = (char*)(face->size->metrics.height >> 6);
+ _user_info[10] = (char*)(face->glyph->metrics.horiBearingY >> 6);
+ _user_info[11] = (char*)(face->glyph->advance.x >> 6);
+
+ emu_pause();
+ }
+ }
+}
+
+
+// Kerning code; add back in later
+/*
+if (old_glyph_index != -1) {
+ if (FT_HAS_KERNING(face)) {
+ FT_Check(FT_Get_Kerning(face, old_glyph_index, glyph_index, 0, &kerning));
+ x += kerning.x >> 6;
+ } else {
+ x += face->glyph->advance.x >> 6;
+ }
+}
+old_glyph_index = glyph_index;
+*/
--- /dev/null
+/*
+ * This file was adapted from D J Hagberg's GifDecoder.java
+ *
+ * This software is copyrighted by D. J. Hagberg, Jr., and other parties.
+ * The following terms apply to all files associated with the software
+ * unless explicitly disclaimed in individual files.
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ *
+ * IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
+ * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
+ * DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
+ * IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
+ * NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
+ * MODIFICATIONS.
+ *
+ * GOVERNMENT USE: If you are acquiring this software on behalf of the
+ * U.S. government, the Government shall have only "Restricted Rights"
+ * in the software and related documentation as defined in the Federal
+ * Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
+ * are acquiring the software on behalf of the Department of Defense, the
+ * software shall be classified as "Commercial Computer Software" and the
+ * Government shall have only "Restricted Rights" as defined in Clause
+ * 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
+ * authors grant the U.S. Government and others acting in its behalf
+ * permission to use and distribute the software in accordance with the
+ * terms specified in this license.
+ *
+ */
+package org.xwt.translators;
+
+import org.xwt.*;
+import org.xwt.util.*;
+import java.io.BufferedInputStream;
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+/** Converts an InputStream carrying a GIF image into an ARGB int[] */
+public class GIF extends ImageDecoder {
+
+ // Public Methods /////////////////////////////////////////////////////////
+
+ public int[] getData() { return data; }
+ public int getWidth() { return width; }
+ public int getHeight() { return height; }
+
+ /** Processes an image from InputStream is; returns null if there is an error
+ @param name A string describing the image; used for error reporting.
+ */
+ public static GIF decode(InputStream is, String name) {
+ try {
+ return new GIF(is, name);
+ } catch (Exception e) {
+ if (Log.on) Log.log(GIF.class, e);
+ return null;
+ }
+ }
+
+ private GIF(InputStream is, String name) throws IOException {
+ if (is instanceof BufferedInputStream) _in = (BufferedInputStream)is;
+ else _in = new BufferedInputStream(is);
+ decodeAsBufferedImage(0);
+ }
+
+ // Private Methods /////////////////////////////////////////////////////////
+
+ private int[] data = null;
+
+ /** Decode a particular frame from the GIF file. Frames must be decoded in order, starting with 0. */
+ private void decodeAsBufferedImage(int page) throws IOException, IOException {
+
+ // If the user requested a page already decoded, we cannot go back.
+ if (page <= index ) return;
+
+ // If we just started reading this stream, initialize the global info.
+ if (index < 0 ) {
+ if (!readIntoBuf(6) || _buf[0] != 'G' || _buf[1] != 'I' || _buf[2] != 'F' ||
+ _buf[3] != '8' || !(_buf[4] == '7' || _buf[4] == '9') || _buf[5] != 'a')
+ throw new IOException("Not a GIF8Xa file.");
+ if (!readGlobalImageDescriptor()) throw new IOException("Unable to read GIF header.");
+ }
+
+ // Loop through the blocks in the image.
+ int block_identifier;
+ while (true) {
+ if(!readIntoBuf(1)) throw new IOException("Unexpected EOF(1)");
+ block_identifier = _buf[0];
+ if (block_identifier == ';') throw new IOException("No image data");
+ if (block_identifier == '!') {
+ if (!readExtensionBlock()) throw new IOException("Unexpected EOF(2)");
+ continue;
+ }
+
+ // not a valid start character -- ignore it.
+ if (block_identifier != ',') continue;
+
+ if (!readLocalImageDescriptor()) throw new IOException("Unexpected EOF(3)");
+ data = new int[width * height];
+ readImage();
+
+ // If we did not decode the requested index, need to go on
+ // to the next one (future implementations should consider
+ // caching already-decoded images here to allow for random
+ // access to animated GIF pages).
+ index++;
+ if (index < page) continue;
+
+ // If we did decode the requested index, we can return.
+ break;
+ }
+
+ // Return the image thus-far decoded
+ return;
+ }
+
+ /** Actually read the image data */
+ private void readImage()
+ throws IOException, IOException {
+ int len = width;
+ int rows = height;
+ int initialCodeSize;
+ int v;
+ int xpos = 0, ypos = 0, pass = 0, i;
+ int prefix[] = new int[(1 << MAX_LWZ_BITS)];
+ int append[] = new int[(1 << MAX_LWZ_BITS)];
+ int stack[] = new int[(1 << MAX_LWZ_BITS)*2];
+ int top_idx;
+ int codeSize, clearCode, inCode, endCode, oldCode, maxCode, code, firstCode;
+
+ // Initialize the decoder
+ if (!readIntoBuf(1)) throw new IOException("Unexpected EOF decoding image");
+ initialCodeSize = _buf[0];
+
+ // Look at the right color map, setting up transparency if called for.
+ int[] cmap = global_color_map;
+ if (hascmap) cmap = color_map;
+ if (trans_idx >= 0) cmap[trans_idx] = 0x00000000;
+
+ /* Initialize the decoder */
+ /* Set values for "special" numbers:
+ * clear code reset the decoder
+ * end code stop decoding
+ * code size size of the next code to retrieve
+ * max code next available table position
+ */
+ clearCode = 1 << initialCodeSize;
+ endCode = clearCode + 1;
+ codeSize = initialCodeSize + 1;
+ maxCode = clearCode + 2;
+ oldCode = -1;
+ firstCode = -1;
+
+ for (i = 0; i < clearCode; i++) append[i] = i;
+ top_idx = 0; // top of stack.
+
+ bitsInWindow = 0;
+ bytes = 0;
+ window = 0L;
+ done = false;
+ c = -1;
+
+ /* Read until we finish the image */
+ ypos = 0;
+ for (i = 0; i < rows; i++) {
+ for (xpos = 0; xpos < len;) {
+
+ if (top_idx == 0) {
+ /* Bummer -- our stack is empty. Now we have to work! */
+ code = getCode(codeSize);
+ if (code < 0) return;
+
+ if (code > maxCode || code == endCode) return;
+ if (code == clearCode) {
+ codeSize = initialCodeSize + 1;
+ maxCode = clearCode + 2;
+ oldCode = -1;
+ continue;
+ }
+
+ // Last pass reset the decoder, so the first code we
+ // see must be a singleton. Seed the stack with it,
+ // and set up the old/first code pointers for
+ // insertion into the string table. We can't just
+ // roll this into the clearCode test above, because
+ // at that point we have not yet read the next code.
+ if (oldCode == -1) {
+ stack[top_idx++] = append[code];
+ oldCode = code;
+ firstCode = code;
+ continue;
+ }
+
+ inCode = code;
+
+ // maxCode is always one bigger than our
+ // highest assigned code. If the code we see
+ // is equal to maxCode, then we are about to
+ // add a new string to the table. ???
+ if (code == maxCode) {
+ stack[top_idx++] = firstCode;
+ code = oldCode;
+ }
+
+ // Populate the stack by tracing the string in the
+ // string table from its tail to its head
+ while (code > clearCode) {
+ stack[top_idx++] = append[code];
+ code = prefix[code];
+ }
+ firstCode = append[code];
+
+ // If there's no more room in our string table, quit.
+ // Otherwise, add a new string to the table
+ if (maxCode >= (1 << MAX_LWZ_BITS)) return;
+
+ // Push the head of the string onto the stack
+ stack[top_idx++] = firstCode;
+
+ // Add a new string to the string table
+ prefix[maxCode] = oldCode;
+ append[maxCode] = firstCode;
+ maxCode++;
+
+ // maxCode tells us the maximum code value we can accept.
+ // If we see that we need more bits to represent it than
+ // we are requesting from the unpacker, we need to increase
+ // the number we ask for.
+ if ((maxCode >= (1 << codeSize)) && (maxCode < (1<<MAX_LWZ_BITS))) codeSize++;
+ oldCode = inCode;
+ }
+
+ // Pop the next color index off the stack
+ v = stack[--top_idx];
+ if (v < 0) return;
+
+ // Finally, we can set a pixel! Joy!
+ data[xpos + ypos * width] = cmap[v];
+ xpos++;
+ }
+
+ // If interlacing, the next ypos is not just +1
+ if (interlaced) {
+ ypos += _interlaceStep[pass];
+ while (ypos >= rows) {
+ pass++;
+ if (pass > 3) return;
+ ypos = _interlaceStart[pass];
+ }
+ } else ypos++;
+ }
+ return;
+ }
+
+ /** Extract the next compression code from the file. */
+ private int getCode(int code_size) throws IOException {
+ int ret;
+
+ while (bitsInWindow < code_size) {
+ // Not enough bits in our window to cover the request
+ if (done) return -1;
+
+ if (bytes == 0) {
+ // Not enough bytes in our buffer to add to the window
+ bytes = getDataBlock();
+ c = 0;
+ if (bytes <= 0) {
+ done = true;
+ break;
+ }
+ }
+ // Tack another byte onto the window, see if that's enough
+ window += (_buf[c]) << bitsInWindow;
+ ++c;
+ bitsInWindow += 8;
+ bytes--;
+ }
+
+
+ // The next code will always be the last code_size bits of the window
+ ret = ((int)window) & ((1 << code_size) - 1);
+
+ // Shift data in the window to put the next code at the end
+ window >>= code_size;
+ bitsInWindow -= code_size;
+ return ret;
+ }
+
+ /** Read the global image descriptor and optional global color map. Sets global_* variables. */
+ private boolean readGlobalImageDescriptor() throws IOException {
+ int packed;
+ int aspect; // we ignore this.
+ int ofs;
+
+ if (!readIntoBuf(7) ) return false;
+ global_width = _buf[0] | (_buf[1] << 8);
+ global_height = _buf[2] | (_buf[3] << 8);
+ packed = _buf[4];
+ global_bgcolor = _buf[5];
+ aspect = _buf[6];
+ global_cmapsize = 2 << (packed & 0x07);
+ global_hascmap = (packed & GLOBALCOLORMAP) == GLOBALCOLORMAP;
+ global_color_map = null;
+
+ // Read the color map, if we have one.
+ if (global_hascmap) {
+ if (!readColorMap(global_cmapsize,true)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /** Read a local image descriptor and optional local color map. */
+ private boolean readLocalImageDescriptor() throws IOException {
+ int packed;
+
+ if (!readIntoBuf(9) ) return false;
+
+ left = _buf[0] | (_buf[1] << 8);
+ top = _buf[2] | (_buf[3] << 8);
+ width = _buf[4] | (_buf[5] << 8);
+ height = _buf[6] | (_buf[7] << 8);
+ packed = _buf[8];
+ hascmap = (packed & LOCALCOLORMAP) == LOCALCOLORMAP;
+ cmapsize = 2 << (packed & 0x07);
+ interlaced = (packed & INTERLACE) == INTERLACE;
+ color_map = null;
+
+ // Read the local color table, if there is one.
+ return !(hascmap && !readColorMap(cmapsize,false));
+ }
+
+ /** Read a color map (global or local). */
+ private boolean readColorMap(int nColors, boolean isGlobal)
+ throws IOException {
+ int[] map = new int[nColors];
+ for( int i=0; i < nColors; ++i) {
+ if (!readIntoBuf(3) ) return false;
+ map[i] = (_buf[0] << 16) | (_buf[1] << 8) | _buf[2] | 0xFF000000;
+ }
+ if (isGlobal) global_color_map = map;
+ else color_map = map;
+ return true;
+ }
+
+ /** Read the contents of a GIF89a Graphical Extension Block. */
+ private boolean readExtensionBlock() throws IOException {
+ if (!readIntoBuf(1) ) return false;
+ int label = _buf[0];
+ int count = -1;
+ switch (label) {
+ case 0x01: // Plain Text Extension
+ case 0xff: // Application Extension
+ case 0xfe: // Comment Extension
+ break;
+ case 0xf9: // Graphic Control Extension
+ count = getDataBlock();
+ if (count < 0) return true;
+ // Check for transparency setting.
+ if ((_buf[0] & HASTRANSPARENCY) != 0) trans_idx = _buf[3];
+ else trans_idx = -1;
+ }
+ do { count = getDataBlock(); } while (count > 0);
+ return true;
+ }
+
+ /** Read a block of data from the GIF file. */
+ private int getDataBlock() throws IOException {
+ if (!readIntoBuf(1) ) return -1;
+ int count = _buf[0];
+ if (count != 0) if (!readIntoBuf(count) ) return -1;
+ return count;
+ }
+
+ /** Read the indicated number of bytes into _buf, our instance-wide buffer. */
+ private boolean readIntoBuf(int count) throws IOException {
+ for(int i = 0; i < count; i++) if ((_buf[i] = _in.read()) == -1) return false;
+ return true;
+ }
+
+ // Private Data //////////////////////////////////////////////////////////
+
+ // State management stuff
+ private int index = -1;
+ private BufferedInputStream _in = null;
+ private int[] _buf = new int[BUFSIZE];
+
+ // Transparency settings
+ private int trans_idx = -1;
+
+ // Global image descriptor contents
+ private int global_width = 0;
+ private int global_height = 0;
+ private int global_bgcolor = 0;
+ private int global_cmapsize = 0;
+ private boolean global_hascmap = false;
+ private int[] global_color_map = null;
+
+ // Local image descriptor contents
+ private int left = 0;
+ private int top = 0;
+ private int width = 0;
+ private int height = 0;
+ private int cmapsize = 0;
+ private boolean hascmap = false;
+ private boolean interlaced = false;
+ private int[] color_map = null;
+
+ // Variables used in getCode(...) to track sliding bit-window.
+ private int bytes = 0;
+ private boolean done;
+ private int c;
+ private long window;
+ private int bitsInWindow = 0;
+
+ // Class-wide constants.
+ private static final int INTERLACE = 0x40;
+ private static final int GLOBALCOLORMAP = 0x80;
+ private static final int LOCALCOLORMAP = 0x80;
+ private static final int HASTRANSPARENCY = 0x01;
+ private static final int MAX_LWZ_BITS = 12;
+ private static final int BUFSIZE = 280;
+ private static final int[] _interlaceStep = { 8, 8, 4, 2 };
+ private static final int[] _interlaceStart = { 0, 4, 2, 1 };
+}
+
+
+
--- /dev/null
+// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
+package org.xwt.translators;
+
+import java.util.*;
+import java.net.*;
+import java.io.*;
+import org.xwt.js.*;
+import org.xwt.util.*;
+
+/*
+ * While entities are limited to a subset of Unicode characters ,
+ * numeric character references can specify any character. Numeric
+ * character references may be given in decimal or hexadecimal, though
+ * browser support is stronger for decimal references. Decimal
+ * references are of the form &#number; while hexadecimal references
+ * take the case-insensitive form &#xnumber;. Examples of numeric
+ * character references include © or © for the copyright
+ * symbol, Α or Α for the Greek capital letter alpha, and
+ * ا or ا for the Arabic letter ALEF.
+ *
+ * http://www.htmlhelp.com/reference/html40/entities/special.html
+ * http://www.htmlhelp.com/reference/html40/entities/symbols.html
+ * http://www.htmlhelp.com/reference/html40/entities/latin1.html
+ */
+
+/**
+ * This class parses an InputStream containing HTML and returns it
+ * as an XWT DOM tree. Each HTML Element is returned as a struct,
+ * with the following members:
+ *
+ * Since HTML may have multiple top level elements (unlike XML),
+ * this class will search all top level elements for one with a tag
+ * name 'html'. If such a node is found, only it is returned. If no
+ * top-level element has the tag name 'html', such a node is
+ * fabricated, and all top level elements become the children of
+ * that node, which is then returned.
+ */
+public class HTML {
+
+ // FIXME: fill in
+ private final static String[] bodylessTags = new String[] { "br", "hr", "input", "img", "isindex" };
+
+ /** we keep a char[] around for use by removeRedundantWhitespace() */
+ private static char[] cbuf = null;
+
+ /** we keep a StringBuffer around for use by removeRedundantWhitespace() */
+ private static StringBuffer sbuf = null;
+
+ /** true iff we have encountered an LI more recently than the last OL/UL */
+ private static boolean withinLI = false;
+
+ public static synchronized JS parseReader(Reader r) throws IOException {
+ CharStream cs = new CharStream(r);
+ JS.Obj h = new JS.Obj();
+
+ withinLI = false;
+ h.put("$name", "html");
+
+ try {
+ while (true) parseBody(cs, h, null);
+ } catch (EOFException e) {
+ // continue until we get an EOFException
+ }
+
+ Object[] ids = h.keys();
+ for(int i=0; i<ids.length; i++) {
+ Object el = h.get((String)ids[i]);
+ if (el instanceof JS && "html".equals(((JS)el).get("$name")))
+ return (JS)el;
+ }
+
+ return h;
+ }
+
+ /**
+ * Parses a single element and stores it in <tt>h</tt>. The
+ * CharStream should be positioned immediately <i>after</i> the
+ * open bracket.
+ *
+ * If a close tag not matching this open tag is found, the
+ * tagname on the close tag will be returned in order to
+ * facilitate correcting broken HTML. Otherwise, this returns
+ * null.
+ */
+ private static String parseElement(CharStream cs, JS h) throws IOException {
+ // scan element name
+ while(Character.isSpace(cs.peek())) cs.get();
+ String elementName = parseElementName(cs);
+
+ // FIXME: this might not deal correctly with EOFExceptions
+ boolean saveWithinLI = withinLI;
+ if (elementName.equals("li")) {
+ if (withinLI) {
+ cs.unread(new char[] { '<', 'l', 'i', ' ' });
+ return "li";
+ } else {
+ withinLI = true;
+ }
+ } else if (elementName.equals("ol") || elementName.equals("ul")) {
+ withinLI = false;
+ }
+
+ h.put("$name", elementName);
+ if (elementName.equals("!--")) {
+ h.put("0", parseComment(cs));
+ h.put("$numchildren", new Integer(0));
+ return null;
+ }
+
+ // scan attributes
+ while (cs.peek() != '>') {
+ String name = parseAttributeName(cs);
+ if (name.equals("")) break;
+ String value = expandEntities(parseAttributeValue(cs));
+ h.put(name, value);
+ }
+
+ // eat the close-angle bracket
+ cs.get();
+
+ // bodyless tags return here
+ for(int i=0; i<bodylessTags.length; i++)
+ if (bodylessTags[i].equals(elementName))
+ return null;
+
+ // scan body
+ String ret = parseBody(cs, h, elementName);
+ withinLI = saveWithinLI;
+ return ret;
+ }
+
+ /**
+ * Parses the body of an element. The CharStream should be
+ * positioned at the character immediately after the right
+ * bracket closing the start-tag
+ */
+ private static String parseBody(CharStream cs, JS h, String elementName) throws IOException {
+ String cdata = "";
+ int length = h.get("$numchildren") == null ? 0 : Integer.parseInt(h.get("$numchildren").toString());
+ while(true) {
+ String closetag = null;
+
+ try {
+ char c = cs.get();
+ if (c != '<') { cdata += c; continue; }
+ String expanded = removeRedundantWhitespace(expandEntities(cdata));
+ if (expanded.length() > 0) {
+ h.put(String.valueOf(length), expanded);
+ h.put("$numchildren", new Integer(++length));
+ }
+ cdata = "";
+
+ } catch (EOFException e) {
+ String expanded = removeRedundantWhitespace(expandEntities(cdata));
+ if (expanded.length() > 0) {
+ h.put(String.valueOf(length), expanded);
+ h.put("$numchildren", new Integer(++length));
+ }
+ throw e;
+ }
+
+ try {
+ // scan subelement
+ if (cs.peek() != '/') {
+ JS kid = new JS.Obj();
+ closetag = parseElement(cs, kid);
+ h.put(String.valueOf(length), kid);
+ h.put("$numchildren", new Integer(++length));
+
+ // scan close-tag
+ } else {
+ cs.get(); // drop the slash
+ closetag = parseElementName(cs);
+ while(cs.get() != '>');
+ }
+ } catch (EOFException e) {
+ throw e;
+
+ }
+
+ if (closetag != null)
+ return closetag.equals(elementName) ? null : closetag;
+ }
+ }
+
+ /** Parses an element name and returns it. The CharStream should
+ * be positioned at the first character of the name.
+ */
+ private static String parseElementName(CharStream cs) throws IOException {
+ String ret = "";
+ while (cs.peek() != '>' && !Character.isSpace(cs.peek())) ret += cs.get();
+ return ret.toLowerCase();
+ }
+
+ /** Parses an attribute name and returns it. The CharStream should
+ * be positioned at the first character of the name, possibly
+ * with intervening whitespace.
+ */
+ private static String parseAttributeName(CharStream cs) throws IOException {
+ while(Character.isSpace(cs.peek())) cs.get();
+ String ret = "";
+ while(!Character.isSpace(cs.peek()) && cs.peek() != '=' && cs.peek() != '>') ret += cs.get();
+ return ret.toLowerCase();
+ }
+
+ /** Parses an attribute value and returns it. The CharStream
+ * should be positioned at the equals sign, possibly with
+ * intervening whitespace.
+ */
+ private static String parseAttributeValue(CharStream cs) throws IOException {
+
+ // eat whitespace and equals sign
+ while(Character.isSpace(cs.peek())) cs.get();
+ if (cs.peek() != '=') return "";
+ cs.get();
+ while(Character.isSpace(cs.peek())) cs.get();
+
+ boolean doublequoted = false;
+ boolean singlequoted = false;
+ String ret = "";
+
+ if (cs.peek() == '\"') { doublequoted = true; cs.get(); }
+ else if (cs.peek() == '\'') { singlequoted = true; cs.get(); }
+
+ while(true) {
+ char c = cs.peek();
+ if (!doublequoted && !singlequoted && (Character.isSpace(c) || c == '>')) break;
+ if (singlequoted && c == '\'') { cs.get(); break; }
+ if (doublequoted && c == '\"') { cs.get(); break; }
+ ret += cs.get();
+ }
+ return ret;
+ }
+
+ /** Parses a comment and returns its body. The CharStream should
+ * be positioned immediately after the <!--
+ */
+ private static String parseComment(CharStream cs) throws IOException {
+ int dashes = 0;
+ String ret = "";
+ while(true) {
+ char c = cs.get();
+ if (c == '>' && dashes == 2) return ret.substring(0, ret.length() - 2);
+ if (c == '-') dashes++;
+ else dashes = 0;
+ ret += c;
+ }
+ }
+
+ /** Expands all SGML entities in string <tt>s</tt> */
+ public static String expandEntities(String s) throws IOException {
+ if (s.indexOf('&') == -1) return s;
+ StringBuffer sb = new StringBuffer();
+ int i=0;
+ int nextamp = 0;
+ while(nextamp != -1) {
+ nextamp = s.indexOf('&', i);
+ sb.append(nextamp == -1 ? s.substring(i) : s.substring(i, nextamp));
+ if (nextamp == -1) break;
+ if (s.regionMatches(nextamp, "&", 0, 5)) {
+ sb.append("&");
+ i = nextamp + 5;
+ } else if (s.regionMatches(nextamp, ">", 0, 4)) {
+ sb.append(">");
+ i = nextamp + 4;
+ } else if (s.regionMatches(nextamp, "<", 0, 4)) {
+ sb.append("<");
+ i = nextamp + 4;
+ } else if (s.regionMatches(nextamp, """, 0, 6)) {
+ sb.append("\"");
+ i = nextamp + 6;
+ } else if (s.regionMatches(nextamp, " ", 0, 6)) {
+ // FIXME: should have a way to indicate this...
+ sb.append(" ");
+ i = nextamp + 6;
+ } else {
+ sb.append("&");
+ i = nextamp + 1;
+ }
+ }
+ return sb.toString();
+ }
+
+ // FIXME double check this
+ /** removes all redundant whitespace */
+ private static String removeRedundantWhitespace(String s) {
+
+ if (s.indexOf(' ') == -1 && s.indexOf('\n') == -1 && s.indexOf('\t') == -1 && s.indexOf('\r') == -1) return s;
+
+ int len = s.length();
+ if (cbuf == null || cbuf.length < len) {
+ cbuf = new char[len * 2];
+ sbuf = new StringBuffer(len * 2);
+ }
+ sbuf.setLength(0);
+ s.getChars(0, len, cbuf, 0);
+
+ int last = 0;
+ boolean lastWasWhitespace = false;
+ for(int i=0; i<len; i++) {
+ boolean lastlast = lastWasWhitespace;
+ switch(cbuf[i]) {
+ case '\n': case '\r': case '\t':
+ cbuf[i] = ' ';
+ case ' ':
+ lastWasWhitespace = true;
+ break;
+ default:
+ lastWasWhitespace = false;
+ break;
+ }
+ if (lastWasWhitespace && lastlast) {
+ if (last != i) sbuf.append(cbuf, last, i - last);
+ last = i+1;
+ }
+ }
+
+ if (last != len) sbuf.append(cbuf, last, len - last);
+ return sbuf.toString().trim();
+ }
+
+ // CharStream /////////////////////////////////////////////////////////////////////
+
+ private static class CharStream extends PushbackReader {
+ public CharStream(Reader r) { super(r, 1024); }
+
+ public char peek() throws IOException {
+ char c = get();
+ unread(c);
+ return c;
+ }
+
+ public char get() throws IOException {
+ int i = read();
+ if (i == -1) throw new EOFException();
+ return (char)i;
+ }
+ }
+
+}
+
--- /dev/null
+/*
+ * This file was adapted from Jason Marshall's PNGImageProducer.java
+ *
+ * Copyright (c) 1997, Jason Marshall. All Rights Reserved
+ *
+ * The author makes no representations or warranties regarding the suitability,
+ * reliability or stability of this code. This code is provided AS IS. The
+ * author shall not be liable for any damages suffered as a result of using,
+ * modifying or redistributing this software or any derivitives thereof.
+ * Permission to use, reproduce, modify and/or (re)distribute this software is
+ * hereby granted.
+ */
+
+package org.xwt.translators;
+
+import org.xwt.*;
+import org.xwt.util.*;
+import java.io.*;
+import java.util.Hashtable;
+import java.util.Vector;
+import java.util.Enumeration;
+import java.util.zip.*;
+
+/** Converts an InputStream carrying a PNG image into an ARGB int[] */
+public class PNG extends ImageDecoder {
+
+ // Public Methods ///////////////////////////////////////////////////////////////////////////////
+
+ /** returns the ARGB int[] representing the last image processed */
+ public final int[] getData() { return data; }
+
+ /** returns the width of the last image processed */
+ public final int getWidth() { return width; }
+
+ /** returns the height of the last image processed */
+ public final int getHeight() { return height; }
+
+ /** process a PNG as an inputstream; returns null if there is an error
+ @param name A string describing the image, to be used when logging errors
+ */
+ public static PNG decode(InputStream is, String name) {
+ try {
+ return new PNG(is, name);
+ } catch (Exception e) {
+ if (Log.on) Log.log(PNG.class, e);
+ return null;
+ }
+ }
+
+ private PNG(InputStream is, String name) throws IOException {
+ underlyingStream = is;
+ target_offset = 0;
+ inputStream = new DataInputStream(underlyingStream);
+
+ // consume the header
+ if ((inputStream.read() != 137) || (inputStream.read() != 80) || (inputStream.read() != 78) || (inputStream.read() != 71) ||
+ (inputStream.read() != 13) || (inputStream.read() != 10) || (inputStream.read() != 26) || (inputStream.read() != 10)) {
+ Log.log(this, "PNG: error: input file " + name + " is not a PNG file");
+ data = new int[] { };
+ width = height = 0;
+ return;
+ }
+
+ DONE: while (!error) {
+ if (needChunkInfo) {
+ chunkLength = inputStream.readInt();
+ chunkType = inputStream.readInt();
+ needChunkInfo = false;
+ }
+
+ switch (chunkType) {
+ case CHUNK_bKGD: inputStream.skip(chunkLength); break;
+ case CHUNK_cHRM: inputStream.skip(chunkLength); break;
+ case CHUNK_gAMA: inputStream.skip(chunkLength); break;
+ case CHUNK_hIST: inputStream.skip(chunkLength); break;
+ case CHUNK_pHYs: inputStream.skip(chunkLength); break;
+ case CHUNK_sBIT: inputStream.skip(chunkLength); break;
+ case CHUNK_tEXt: inputStream.skip(chunkLength); break;
+ case CHUNK_zTXt: inputStream.skip(chunkLength); break;
+ case CHUNK_tIME: inputStream.skip(chunkLength); break;
+
+ case CHUNK_IHDR: handleIHDR(); break;
+ case CHUNK_PLTE: handlePLTE(); break;
+ case CHUNK_tRNS: handletRNS(); break;
+
+ case CHUNK_IDAT: handleIDAT(); break;
+
+ case CHUNK_IEND: break DONE;
+ default:
+ System.err.println("unrecognized chunk type " +
+ Integer.toHexString(chunkType) + ". skipping");
+ inputStream.skip(chunkLength);
+ }
+
+ int crc = inputStream.readInt();
+ needChunkInfo = true;
+ }
+ }
+
+ // Chunk Handlers ///////////////////////////////////////////////////////////////////////
+
+ /** handle data chunk */
+ private void handleIDAT() throws IOException {
+ if (width == -1 || height == -1) throw new IOException("never got image width/height");
+ switch (depth) {
+ case 1: mask = 0x1; break;
+ case 2: mask = 0x3; break;
+ case 4: mask = 0xf; break;
+ case 8: case 16: mask = 0xff; break;
+ default: mask = 0x0; break;
+ }
+ if (depth < 8) smask = mask << depth;
+ else smask = mask << 8;
+
+ int count = width * height;
+
+ switch (colorType) {
+ case 0:
+ case 2:
+ case 6:
+ case 4:
+ ipixels = new int[count];
+ pixels = ipixels;
+ break;
+ case 3:
+ bpixels = new byte[count];
+ pixels = bpixels;
+ break;
+ default:
+ throw new IOException("Image has unknown color type");
+ }
+ if (interlaceMethod != 0) multipass = true;
+ readImageData();
+ }
+
+ /** handle header chunk */
+ private void handleIHDR() throws IOException {
+ if (headerFound) throw new IOException("Extraneous IHDR chunk encountered.");
+ if (chunkLength != 13) throw new IOException("IHDR chunk length wrong: " + chunkLength);
+ width = inputStream.readInt();
+ height = inputStream.readInt();
+ depth = inputStream.read();
+ colorType = inputStream.read();
+ compressionMethod = inputStream.read();
+ filterMethod = inputStream.read();
+ interlaceMethod = inputStream.read();
+ }
+
+ /** handle pallette chunk */
+ private void handlePLTE() throws IOException {
+ if (colorType == 3) {
+ palette = new byte[chunkLength];
+ inputStream.readFully(palette);
+ } else {
+ // Ignore suggested palette
+ inputStream.skip(chunkLength);
+ }
+ }
+
+ /** handle transparency chunk; modifies palette */
+ private void handletRNS() throws IOException {
+ int chunkLen = chunkLength;
+ if (palette == null) {
+ if (Log.on) Log.log(this, "warning: tRNS chunk encountered before pLTE; ignoring alpha channel");
+ inputStream.skip(chunkLength);
+ return;
+ }
+ int len = palette.length;
+ if (colorType == 3) {
+ transparency = true;
+
+ int transLength = len/3;
+ byte[] trans = new byte[transLength];
+ for (int i = 0; i < transLength; i++) trans[i] = (byte) 0xff;
+ inputStream.readFully(trans, 0, chunkLength);
+
+ byte[] newPalette = new byte[len + transLength];
+ for (int i = newPalette.length; i > 0;) {
+ newPalette[--i] = trans[--transLength];
+ newPalette[--i] = palette[--len];
+ newPalette[--i] = palette[--len];
+ newPalette[--i] = palette[--len];
+ }
+ palette = newPalette;
+
+ } else {
+ inputStream.skip(chunkLength);
+ }
+ }
+
+ /// Helper functions for IDAT ///////////////////////////////////////////////////////////////////////////////////////////
+
+ /** Read Image data in off of a compression stream */
+ private void readImageData() throws IOException {
+ InputStream dataStream = new SequenceInputStream(new IDATEnumeration(this));
+ DataInputStream dis = new DataInputStream(new BufferedInputStream(new InflaterInputStream(dataStream, new Inflater())));
+ int bps, filterOffset;
+ switch (colorType) {
+ case 0: case 3: bps = depth; break;
+ case 2: bps = 3 * depth; break;
+ case 4: bps = depth<<1; break;
+ case 6: bps = depth<<2; break;
+ default: throw new IOException("Unknown color type encountered.");
+ }
+
+ filterOffset = (bps + 7) >> 3;
+
+ for (pass = (multipass ? 1 : 0); pass < 8; pass++) {
+ int pass = this.pass;
+ int rInc = rowInc[pass];
+ int cInc = colInc[pass];
+ int sCol = startingCol[pass];
+ int val = (width - sCol + cInc - 1) / cInc;
+ int samples = val * filterOffset;
+ int rowSize = (val * bps)>>3;
+ int sRow = startingRow[pass];
+ if (height <= sRow || rowSize == 0) continue;
+ int sInc = rInc * width;
+ byte inbuf[] = new byte[rowSize];
+ int pix[] = new int[rowSize];
+ int upix[] = null;
+ int temp[] = new int[rowSize];
+ int nextY = sRow; // next Y value and number of rows to report to sendPixels
+ int rows = 0;
+ int rowStart = sRow * width;
+
+ for (int y = sRow; y < height; y += rInc, rowStart += sInc) {
+ rows += rInc;
+ int rowFilter = dis.read();
+ dis.readFully(inbuf);
+ if (!filterRow(inbuf, pix, upix, rowFilter, filterOffset)) throw new IOException("Unknown filter type: " + rowFilter);
+ insertPixels(pix, rowStart + sCol, samples);
+ if (multipass && (pass < 6)) blockFill(rowStart);
+ upix = pix;
+ pix = temp;
+ temp = upix;
+ }
+ if (!multipass) break;
+ }
+ while(dis.read() != -1) System.err.println("Leftover data encountered.");
+
+ // 24-bit color is our native format
+ if (colorType == 2 || colorType == 6) {
+ data = (int[])pixels;
+ if (colorType == 2) {
+ for(int i=0; i<data.length; i++)
+ data[i] |= 0xFF000000;
+ }
+
+ } else if (colorType == 3) {
+ byte[] pix = (byte[])pixels;
+ data = new int[pix.length];
+ for(int i=0; i<pix.length; i++) {
+ if (transparency) {
+ data[i] =
+ ((palette[4 * (pix[i] & 0xff) + 3] & 0xff) << 24) |
+ ((palette[4 * (pix[i] & 0xff) + 0] & 0xff) << 16) |
+ ((palette[4 * (pix[i] & 0xff) + 1] & 0xff) << 8) |
+ (palette[4 * (pix[i] & 0xff) + 2] & 0xff);
+ } else {
+ data[i] =
+ 0xFF000000 |
+ ((palette[3 * (pix[i] & 0xff) + 0] & 0xff) << 16) |
+ ((palette[3 * (pix[i] & 0xff) + 1] & 0xff) << 8) |
+ (palette[3 * (pix[i] & 0xff) + 2] & 0xff);
+ }
+ }
+
+ } else if (colorType == 0 || colorType == 4) {
+ if (depth == 16) depth = 8;
+ int[] pix = (int[])pixels;
+ data = new int[pix.length];
+ for(int i=0; i<pix.length; i ++) {
+ if (colorType == 0) {
+ int val = (pix[i] & 0xff) << (8 - depth);
+ data[i] =
+ 0xFF000000 |
+ (val << 16) |
+ (val << 8) |
+ val;
+ } else {
+ int alpha = (pix[i] & mask) << (8 - depth);
+ int val = ((pix[i] & smask) >> depth) << (8 - depth);
+ data[i] =
+ (alpha << 24) |
+ (val << 16) |
+ (val << 8) |
+ val;
+ }
+ }
+ }
+
+ }
+
+ private void insertGreyPixels(int pix[], int offset, int samples) {
+ int p = pix[0];
+ int ipix[] = ipixels;
+ int cInc = colInc[pass];
+ int rs = 0;
+
+ if (colorType == 0) {
+ switch (depth) {
+ case 1:
+ for (int j = 0; j < samples; j++, offset += cInc) {
+ if (rs != 0) rs--;
+ else { rs = 7; p = pix[j>>3]; }
+ ipix[offset] = (p>>rs) & 0x1;
+ }
+ break;
+ case 2:
+ for (int j = 0; j < samples; j++, offset += cInc) {
+ if (rs != 0) rs -= 2;
+ else { rs = 6; p = pix[j>>2]; }
+ ipix[offset] = (p>>rs) & 0x3;
+ }
+ break;
+ case 4:
+ for (int j = 0; j < samples; j++, offset += cInc) {
+ if (rs != 0) rs = 0;
+ else { rs = 4; p = pix[j>>1]; }
+ ipix[offset] = (p>>rs) & 0xf;
+ }
+ break;
+ case 8:
+ for (int j = 0; j < samples; offset += cInc) ipix[offset] = (byte) pix[j++];
+ break;
+ case 16:
+ samples = samples<<1;
+ for (int j = 0; j < samples; j += 2, offset += cInc) ipix[offset] = pix[j];
+ break;
+ default: break;
+ }
+ } else if (colorType == 4) {
+ if (depth == 8) {
+ for (int j = 0; j < samples; offset += cInc) ipix[offset] = (pix[j++]<<8) | pix[j++];
+ } else {
+ samples = samples<<1;
+ for (int j = 0; j < samples; j += 2, offset += cInc) ipix[offset] = (pix[j]<<8) | pix[j+=2];
+ }
+ }
+ }
+
+ private void insertPalettedPixels(int pix[], int offset, int samples) {
+ int rs = 0;
+ int p = pix[0];
+ byte bpix[] = bpixels;
+ int cInc = colInc[pass];
+
+ switch (depth) {
+ case 1:
+ for (int j = 0; j < samples; j++, offset += cInc) {
+ if (rs != 0) rs--;
+ else { rs = 7; p = pix[j>>3]; }
+ bpix[offset] = (byte) ((p>>rs) & 0x1);
+ }
+ break;
+ case 2:
+ for (int j = 0; j < samples; j++, offset += cInc) {
+ if (rs != 0) rs -= 2;
+ else { rs = 6; p = pix[j>>2]; }
+ bpix[offset] = (byte) ((p>>rs) & 0x3);
+ }
+ break;
+ case 4:
+ for (int j = 0; j < samples; j++, offset += cInc) {
+ if (rs != 0) rs = 0;
+ else { rs = 4; p = pix[j>>1]; }
+ bpix[offset] = (byte) ((p>>rs) & 0xf);
+ }
+ break;
+ case 8:
+ for (int j = 0; j < samples; j++, offset += cInc) bpix[offset] = (byte) pix[j];
+ break;
+ }
+ }
+
+ private void insertPixels(int pix[], int offset, int samples) {
+ switch (colorType) {
+ case 0:
+ case 4:
+ insertGreyPixels(pix, offset, samples);
+ break;
+ case 2: {
+ int j = 0;
+ int ipix[] = ipixels;
+ int cInc = colInc[pass];
+ if (depth == 8) {
+ for (j = 0; j < samples; offset += cInc)
+ ipix[offset] = (pix[j++]<<16) | (pix[j++]<<8) | pix[j++];
+ } else {
+ samples = samples<<1;
+ for (j = 0; j < samples; j += 2, offset += cInc)
+ ipix[offset] = (pix[j]<<16) | (pix[j+=2]<<8) | pix[j+=2];
+ }
+ break; }
+ case 3:
+ insertPalettedPixels(pix, offset, samples);
+ break;
+ case 6: {
+ int j = 0;
+ int ipix[] = ipixels;
+ int cInc = colInc[pass];
+ if (depth == 8) {
+ for (j = 0; j < samples; offset += cInc) {
+ ipix[offset] = (pix[j++]<<16) | (pix[j++]<<8) | pix[j++] |
+ (pix[j++]<<24);
+ }
+ } else {
+ samples = samples<<1;
+ for (j = 0; j < samples; j += 2, offset += cInc) {
+ ipix[offset] = (pix[j]<<16) | (pix[j+=2]<<8) | pix[j+=2] |
+ (pix[j+=2]<<24);
+ }
+ }
+ break; }
+ default:
+ break;
+ }
+ }
+
+ private void blockFill(int rowStart) {
+ int counter;
+ int dw = width;
+ int pass = this.pass;
+ int w = blockWidth[pass];
+ int sCol = startingCol[pass];
+ int cInc = colInc[pass];
+ int wInc = cInc - w;
+ int maxW = rowStart + dw - w;
+ int len;
+ int h = blockHeight[pass];
+ int maxH = rowStart + (dw * h);
+ int startPos = rowStart + sCol;
+ counter = startPos;
+
+ if (colorType == 3) {
+ byte bpix[] = bpixels;
+ byte pixel;
+ len = bpix.length;
+ for (; counter <= maxW;) {
+ int end = counter + w;
+ pixel = bpix[counter++];
+ for (; counter < end; counter++) bpix[counter] = pixel;
+ counter += wInc;
+ }
+ maxW += w;
+ if (counter < maxW)
+ for (pixel = bpix[counter++]; counter < maxW; counter++)
+ bpix[counter] = pixel;
+ if (len < maxH) maxH = len;
+ for (counter = startPos + dw; counter < maxH; counter += dw)
+ System.arraycopy(bpix, startPos, bpix, counter, dw - sCol);
+ } else {
+ int ipix[] = ipixels;
+ int pixel;
+ len = ipix.length;
+ for (; counter <= maxW;) {
+ int end = counter + w;
+ pixel = ipix[counter++];
+ for (; counter < end; counter++)
+ ipix[counter] = pixel;
+ counter += wInc;
+ }
+ maxW += w;
+ if (counter < maxW)
+ for (pixel = ipix[counter++]; counter < maxW; counter++)
+ ipix[counter] = pixel;
+ if (len < maxH) maxH = len;
+ for (counter = startPos + dw; counter < maxH; counter += dw)
+ System.arraycopy(ipix, startPos, ipix, counter, dw - sCol);
+ }
+ }
+
+ private boolean filterRow(byte inbuf[], int pix[], int upix[], int rowFilter, int boff) {
+ int rowWidth = pix.length;
+ switch (rowFilter) {
+ case 0: {
+ for (int x = 0; x < rowWidth; x++) pix[x] = 0xff & inbuf[x];
+ break; }
+ case 1: {
+ int x = 0;
+ for ( ; x < boff; x++) pix[x] = 0xff & inbuf[x];
+ for ( ; x < rowWidth; x++) pix[x] = 0xff & (inbuf[x] + pix[x - boff]);
+ break; }
+ case 2: {
+ if (upix != null) {
+ for (int x = 0; x < rowWidth; x++)
+ pix[x] = 0xff & (upix[x] + inbuf[x]);
+ } else {
+ for (int x = 0; x < rowWidth; x++)
+ pix[x] = 0xff & inbuf[x];
+ }
+ break; }
+ case 3: {
+ if (upix != null) {
+ int x = 0;
+ for ( ; x < boff; x++) {
+ int rval = upix[x];
+ pix[x] = 0xff & ((rval>>1) + inbuf[x]);
+ }
+ for ( ; x < rowWidth; x++) {
+ int rval = upix[x] + pix[x - boff];
+ pix[x] = 0xff & ((rval>>1) + inbuf[x]);
+ }
+ } else {
+ int x = 0;
+ for ( ; x < boff; x++) pix[x] = 0xff & inbuf[x];
+ for ( ; x < rowWidth; x++) {
+ int rval = pix[x - boff];
+ pix[x] = 0xff & ((rval>>1) + inbuf[x]);
+ }
+ }
+ break; }
+ case 4: {
+ if (upix != null) {
+ int x = 0;
+ for ( ; x < boff; x++) pix[x] = 0xff & (upix[x] + inbuf[x]);
+ for ( ; x < rowWidth; x++) {
+ int a, b, c, p, pa, pb, pc, rval;
+ a = pix[x - boff];
+ b = upix[x];
+ c = upix[x - boff];
+ p = a + b - c;
+ pa = p > a ? p - a : a - p;
+ pb = p > b ? p - b : b - p;
+ pc = p > c ? p - c : c - p;
+ if ((pa <= pb) && (pa <= pc)) rval = a;
+ else if (pb <= pc) rval = b;
+ else rval = c;
+ pix[x] = 0xff & (rval + inbuf[x]);
+ }
+ } else {
+ int x = 0;
+ for ( ; x < boff; x++) pix[x] = 0xff & inbuf[x];
+ for ( ; x < rowWidth; x++) {
+ int rval = pix[x - boff];
+ pix[x] = 0xff & (rval + inbuf[x]);
+ }
+ }
+ break; }
+ default: return false;
+ }
+ return true;
+ }
+
+ // Private Data ///////////////////////////////////////////////////////////////////////////////////////
+
+ private int target_offset = 0;
+ private int width = -1;
+ private int height = -1;
+ private int sigmask = 0xffff;
+ private Object pixels = null;
+ private int ipixels[] = null;
+ private byte bpixels[] = null;
+ private boolean multipass = false;
+ private boolean complete = false;
+ private boolean error = false;
+
+ private int[] data = null;
+
+ private InputStream underlyingStream = null;
+ private DataInputStream inputStream = null;
+ private Thread controlThread = null;
+ private boolean infoAvailable = false;
+ private int updateDelay = 750;
+
+ // Image decoding state variables
+ private boolean headerFound = false;
+ private int compressionMethod = -1;
+ private int depth = -1;
+ private int colorType = -1;
+ private int filterMethod = -1;
+ private int interlaceMethod = -1;
+ private int pass = 0;
+ private byte palette[] = null;
+ private int mask = 0x0;
+ private int smask = 0x0;
+ private boolean transparency = false;
+
+ private int chunkLength = 0;
+ private int chunkType = 0;
+ private boolean needChunkInfo = true;
+
+ private static final int CHUNK_bKGD = 0x624B4744; // "bKGD"
+ private static final int CHUNK_cHRM = 0x6348524D; // "cHRM"
+ private static final int CHUNK_gAMA = 0x67414D41; // "gAMA"
+ private static final int CHUNK_hIST = 0x68495354; // "hIST"
+ private static final int CHUNK_IDAT = 0x49444154; // "IDAT"
+ private static final int CHUNK_IEND = 0x49454E44; // "IEND"
+ private static final int CHUNK_IHDR = 0x49484452; // "IHDR"
+ private static final int CHUNK_PLTE = 0x504C5445; // "PLTE"
+ private static final int CHUNK_pHYs = 0x70485973; // "pHYs"
+ private static final int CHUNK_sBIT = 0x73424954; // "sBIT"
+ private static final int CHUNK_tEXt = 0x74455874; // "tEXt"
+ private static final int CHUNK_tIME = 0x74494D45; // "tIME"
+ private static final int CHUNK_tRNS = 0x74524E53; // "tIME"
+ private static final int CHUNK_zTXt = 0x7A545874; // "zTXt"
+
+ private static final int startingRow[] = { 0, 0, 0, 4, 0, 2, 0, 1 };
+ private static final int startingCol[] = { 0, 0, 4, 0, 2, 0, 1, 0 };
+ private static final int rowInc[] = { 1, 8, 8, 8, 4, 4, 2, 2 };
+ private static final int colInc[] = { 1, 8, 8, 4, 4, 2, 2, 1 };
+ private static final int blockHeight[] = { 1, 8, 8, 4, 4, 2, 2, 1 };
+ private static final int blockWidth[] = { 1, 8, 4, 4, 2, 2, 1, 1 };
+
+ // Helper Classes ////////////////////////////////////////////////////////////////////
+
+ private static class MeteredInputStream extends FilterInputStream {
+ int bytesLeft;
+ int marked;
+
+ public MeteredInputStream(InputStream in, int size) {
+ super(in);
+ bytesLeft = size;
+ }
+
+ public final int read() throws IOException {
+ if (bytesLeft > 0) {
+ int val = in.read();
+ if (val != -1) bytesLeft--;
+ return val;
+ }
+ return -1;
+ }
+
+ public final int read(byte b[]) throws IOException {
+ return read(b, 0, b.length);
+ }
+
+ public final int read(byte b[], int off, int len) throws IOException {
+ if (bytesLeft > 0) {
+ len = (len > bytesLeft ? bytesLeft : len);
+ int read = in.read(b, off, len);
+ if (read > 0) bytesLeft -= read;
+ return read;
+ }
+ return -1;
+ }
+
+ public final long skip(long n) throws IOException {
+ n = (n > bytesLeft ? bytesLeft : n);
+ long skipped = in.skip(n);
+ if (skipped > 0) bytesLeft -= skipped;
+ return skipped;
+ }
+
+ public final int available() throws IOException {
+ int n = in.available();
+ return (n > bytesLeft ? bytesLeft : n);
+ }
+
+ public final void close() throws IOException { /* Eat this */ }
+
+ public final void mark(int readlimit) {
+ marked = bytesLeft;
+ in.mark(readlimit);
+ }
+
+ public final void reset() throws IOException {
+ in.reset();
+ bytesLeft = marked;
+ }
+
+ public final boolean markSupported() { return in.markSupported(); }
+ }
+
+ /** Support class, used to eat the IDAT headers dividing up the deflated stream */
+ private static class IDATEnumeration implements Enumeration {
+ InputStream underlyingStream;
+ PNG owner;
+ boolean firstStream = true;
+
+ public IDATEnumeration(PNG owner) {
+ this.owner = owner;
+ this.underlyingStream = owner.underlyingStream;
+ }
+
+ public Object nextElement() {
+ firstStream = false;
+ return new MeteredInputStream(underlyingStream, owner.chunkLength);
+ }
+
+ public boolean hasMoreElements() {
+ DataInputStream dis = new DataInputStream(underlyingStream);
+ if (!firstStream) {
+ try {
+ int crc = dis.readInt();
+ owner.needChunkInfo = false;
+ owner.chunkLength = dis.readInt();
+ owner.chunkType = dis.readInt();
+ } catch (IOException ioe) {
+ return false;
+ }
+ }
+ if (owner.chunkType == PNG.CHUNK_IDAT) return true;
+ return false;
+ }
+ }
+
+}
--- /dev/null
+// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
+package org.xwt.translators;
+import java.util.*;
+
+public class SVG {
+
+ /** Copied verbatim from the SVG specification */
+ public static Hashtable colors = new Hashtable(400);
+ static {
+ colors.put("aliceblue", new Integer((240 << 16) | (248 << 8) | 255));
+ colors.put("antiquewhite", new Integer((250 << 16) | (235 << 8) | 215));
+ colors.put("aqua", new Integer((0 << 16) | (255 << 8) | 255));
+ colors.put("aquamarine", new Integer((127 << 16) | (255 << 8) | 212));
+ colors.put("azure", new Integer((240 << 16) | (255 << 8) | 255));
+ colors.put("beige", new Integer((245 << 16) | (245 << 8) | 220));
+ colors.put("bisque", new Integer((255 << 16) | (228 << 8) | 196));
+ colors.put("black", new Integer((0 << 16) | (0 << 8) | 0));
+ colors.put("blanchedalmond", new Integer((255 << 16) | (235 << 8) | 205));
+ colors.put("blue", new Integer((0 << 16) | (0 << 8) | 255));
+ colors.put("blueviolet", new Integer((138 << 16) | (43 << 8) | 226));
+ colors.put("brown", new Integer((165 << 16) | (42 << 8) | 42));
+ colors.put("burlywood", new Integer((222 << 16) | (184 << 8) | 135));
+ colors.put("cadetblue", new Integer((95 << 16) | (158 << 8) | 160));
+ colors.put("chartreuse", new Integer((127 << 16) | (255 << 8) | 0));
+ colors.put("chocolate", new Integer((210 << 16) | (105 << 8) | 30));
+ colors.put("coral", new Integer((255 << 16) | (127 << 8) | 80));
+ colors.put("cornflowerblue", new Integer((100 << 16) | (149 << 8) | 237));
+ colors.put("cornsilk", new Integer((255 << 16) | (248 << 8) | 220));
+ colors.put("crimson", new Integer((220 << 16) | (20 << 8) | 60));
+ colors.put("cyan", new Integer((0 << 16) | (255 << 8) | 255));
+ colors.put("darkblue", new Integer((0 << 16) | (0 << 8) | 139));
+ colors.put("darkcyan", new Integer((0 << 16) | (139 << 8) | 139));
+ colors.put("darkgoldenrod", new Integer((184 << 16) | (134 << 8) | 11));
+ colors.put("darkgray", new Integer((169 << 16) | (169 << 8) | 169));
+ colors.put("darkgreen", new Integer((0 << 16) | (100 << 8) | 0));
+ colors.put("darkgrey", new Integer((169 << 16) | (169 << 8) | 169));
+ colors.put("darkkhaki", new Integer((189 << 16) | (183 << 8) | 107));
+ colors.put("darkmagenta", new Integer((139 << 16) | (0 << 8) | 139));
+ colors.put("darkolivegreen", new Integer((85 << 16) | (107 << 8) | 47));
+ colors.put("darkorange", new Integer((255 << 16) | (140 << 8) | 0));
+ colors.put("darkorchid", new Integer((153 << 16) | (50 << 8) | 204));
+ colors.put("darkred", new Integer((139 << 16) | (0 << 8) | 0));
+ colors.put("darksalmon", new Integer((233 << 16) | (150 << 8) | 122));
+ colors.put("darkseagreen", new Integer((143 << 16) | (188 << 8) | 143));
+ colors.put("darkslateblue", new Integer((72 << 16) | (61 << 8) | 139));
+ colors.put("darkslategray", new Integer((47 << 16) | (79 << 8) | 79));
+ colors.put("darkslategrey", new Integer((47 << 16) | (79 << 8) | 79));
+ colors.put("darkturquoise", new Integer((0 << 16) | (206 << 8) | 209));
+ colors.put("darkviolet", new Integer((148 << 16) | (0 << 8) | 211));
+ colors.put("deeppink", new Integer((255 << 16) | (20 << 8) | 147));
+ colors.put("deepskyblue", new Integer((0 << 16) | (191 << 8) | 255));
+ colors.put("dimgray", new Integer((105 << 16) | (105 << 8) | 105));
+ colors.put("dimgrey", new Integer((105 << 16) | (105 << 8) | 105));
+ colors.put("dodgerblue", new Integer((30 << 16) | (144 << 8) | 255));
+ colors.put("firebrick", new Integer((178 << 16) | (34 << 8) | 34));
+ colors.put("floralwhite", new Integer((255 << 16) | (250 << 8) | 240));
+ colors.put("forestgreen", new Integer((34 << 16) | (139 << 8) | 34));
+ colors.put("fuchsia", new Integer((255 << 16) | (0 << 8) | 255));
+ colors.put("gainsboro", new Integer((220 << 16) | (220 << 8) | 220));
+ colors.put("ghostwhite", new Integer((248 << 16) | (248 << 8) | 255));
+ colors.put("gold", new Integer((255 << 16) | (215 << 8) | 0));
+ colors.put("goldenrod", new Integer((218 << 16) | (165 << 8) | 32));
+ colors.put("gray", new Integer((128 << 16) | (128 << 8) | 128));
+ colors.put("grey", new Integer((128 << 16) | (128 << 8) | 128));
+ colors.put("green", new Integer((0 << 16) | (128 << 8) | 0));
+ colors.put("greenyellow", new Integer((173 << 16) | (255 << 8) | 47));
+ colors.put("honeydew", new Integer((240 << 16) | (255 << 8) | 240));
+ colors.put("hotpink", new Integer((255 << 16) | (105 << 8) | 180));
+ colors.put("indianred", new Integer((205 << 16) | (92 << 8) | 92));
+ colors.put("indigo", new Integer((75 << 16) | (0 << 8) | 130));
+ colors.put("ivory", new Integer((255 << 16) | (255 << 8) | 240));
+ colors.put("khaki", new Integer((240 << 16) | (230 << 8) | 140));
+ colors.put("lavender", new Integer((230 << 16) | (230 << 8) | 250));
+ colors.put("lavenderblush", new Integer((255 << 16) | (240 << 8) | 245));
+ colors.put("lawngreen", new Integer((124 << 16) | (252 << 8) | 0));
+ colors.put("lemonchiffon", new Integer((255 << 16) | (250 << 8) | 205));
+ colors.put("lightblue", new Integer((173 << 16) | (216 << 8) | 230));
+ colors.put("lightcoral", new Integer((240 << 16) | (128 << 8) | 128));
+ colors.put("lightcyan", new Integer((224 << 16) | (255 << 8) | 255));
+ colors.put("lightgoldenrodyellow", new Integer((250 << 16) | (250 << 8) | 210));
+ colors.put("lightgray", new Integer((211 << 16) | (211 << 8) | 211));
+ colors.put("lightgreen", new Integer((144 << 16) | (238 << 8) | 144));
+ colors.put("lightgrey", new Integer((211 << 16) | (211 << 8) | 211));
+ colors.put("lightpink", new Integer((255 << 16) | (182 << 8) | 193));
+ colors.put("lightsalmon", new Integer((255 << 16) | (160 << 8) | 122));
+ colors.put("lightseagreen", new Integer((32 << 16) | (178 << 8) | 170));
+ colors.put("lightskyblue", new Integer((135 << 16) | (206 << 8) | 250));
+ colors.put("lightslategray", new Integer((119 << 16) | (136 << 8) | 153));
+ colors.put("lightslategrey", new Integer((119 << 16) | (136 << 8) | 153));
+ colors.put("lightsteelblue", new Integer((176 << 16) | (196 << 8) | 222));
+ colors.put("lightyellow", new Integer((255 << 16) | (255 << 8) | 224));
+ colors.put("lime", new Integer((0 << 16) | (255 << 8) | 0));
+ colors.put("limegreen", new Integer((50 << 16) | (205 << 8) | 50));
+ colors.put("linen", new Integer((250 << 16) | (240 << 8) | 230));
+ colors.put("magenta", new Integer((255 << 16) | (0 << 8) | 255));
+ colors.put("maroon", new Integer((128 << 16) | (0 << 8) | 0));
+ colors.put("mediumaquamarine", new Integer((102 << 16) | (205 << 8) | 170));
+ colors.put("mediumblue", new Integer((0 << 16) | (0 << 8) | 205));
+ colors.put("mediumorchid", new Integer((186 << 16) | (85 << 8) | 211));
+ colors.put("mediumpurple", new Integer((147 << 16) | (112 << 8) | 219));
+ colors.put("mediumseagreen", new Integer((60 << 16) | (179 << 8) | 113));
+ colors.put("mediumslateblue", new Integer((123 << 16) | (104 << 8) | 238));
+ colors.put("mediumspringgreen", new Integer((0 << 16) | (250 << 8) | 154));
+ colors.put("mediumturquoise", new Integer((72 << 16) | (209 << 8) | 204));
+ colors.put("mediumvioletred", new Integer((199 << 16) | (21 << 8) | 133));
+ colors.put("midnightblue", new Integer((25 << 16) | (25 << 8) | 112));
+ colors.put("mintcream", new Integer((245 << 16) | (255 << 8) | 250));
+ colors.put("mistyrose", new Integer((255 << 16) | (228 << 8) | 225));
+ colors.put("moccasin", new Integer((255 << 16) | (228 << 8) | 181));
+ colors.put("navajowhite", new Integer((255 << 16) | (222 << 8) | 173));
+ colors.put("navy", new Integer((0 << 16) | (0 << 8) | 128));
+ colors.put("oldlace", new Integer((253 << 16) | (245 << 8) | 230));
+ colors.put("olive", new Integer((128 << 16) | (128 << 8) | 0));
+ colors.put("olivedrab", new Integer((107 << 16) | (142 << 8) | 35));
+ colors.put("orange", new Integer((255 << 16) | (165 << 8) | 0));
+ colors.put("orangered", new Integer((255 << 16) | (69 << 8) | 0));
+ colors.put("orchid", new Integer((218 << 16) | (112 << 8) | 214));
+ colors.put("palegoldenrod", new Integer((238 << 16) | (232 << 8) | 170));
+ colors.put("palegreen", new Integer((152 << 16) | (251 << 8) | 152));
+ colors.put("paleturquoise", new Integer((175 << 16) | (238 << 8) | 238));
+ colors.put("palevioletred", new Integer((219 << 16) | (112 << 8) | 147));
+ colors.put("papayawhip", new Integer((255 << 16) | (239 << 8) | 213));
+ colors.put("peachpuff", new Integer((255 << 16) | (218 << 8) | 185));
+ colors.put("peru", new Integer((205 << 16) | (133 << 8) | 63));
+ colors.put("pink", new Integer((255 << 16) | (192 << 8) | 203));
+ colors.put("plum", new Integer((221 << 16) | (160 << 8) | 221));
+ colors.put("powderblue", new Integer((176 << 16) | (224 << 8) | 230));
+ colors.put("purple", new Integer((128 << 16) | (0 << 8) | 128));
+ colors.put("red", new Integer((255 << 16) | (0 << 8) | 0));
+ colors.put("rosybrown", new Integer((188 << 16) | (143 << 8) | 143));
+ colors.put("royalblue", new Integer((65 << 16) | (105 << 8) | 225));
+ colors.put("saddlebrown", new Integer((139 << 16) | (69 << 8) | 19));
+ colors.put("salmon", new Integer((250 << 16) | (128 << 8) | 114));
+ colors.put("sandybrown", new Integer((244 << 16) | (164 << 8) | 96));
+ colors.put("seagreen", new Integer((46 << 16) | (139 << 8) | 87));
+ colors.put("seashell", new Integer((255 << 16) | (245 << 8) | 238));
+ colors.put("sienna", new Integer((160 << 16) | (82 << 8) | 45));
+ colors.put("silver", new Integer((192 << 16) | (192 << 8) | 192));
+ colors.put("skyblue", new Integer((135 << 16) | (206 << 8) | 235));
+ colors.put("slateblue", new Integer((106 << 16) | (90 << 8) | 205));
+ colors.put("slategray", new Integer((112 << 16) | (128 << 8) | 144));
+ colors.put("slategrey", new Integer((112 << 16) | (128 << 8) | 144));
+ colors.put("snow", new Integer((255 << 16) | (250 << 8) | 250));
+ colors.put("springgreen", new Integer((0 << 16) | (255 << 8) | 127));
+ colors.put("steelblue", new Integer((70 << 16) | (130 << 8) | 180));
+ colors.put("tan", new Integer((210 << 16) | (180 << 8) | 140));
+ colors.put("teal", new Integer((0 << 16) | (128 << 8) | 128));
+ colors.put("thistle", new Integer((216 << 16) | (191 << 8) | 216));
+ colors.put("tomato", new Integer((255 << 16) | (99 << 8) | 71));
+ colors.put("turquoise", new Integer((64 << 16) | (224 << 8) | 208));
+ colors.put("violet", new Integer((238 << 16) | (130 << 8) | 238));
+ colors.put("wheat", new Integer((245 << 16) | (222 << 8) | 179));
+ colors.put("white", new Integer((255 << 16) | (255 << 8) | 255));
+ colors.put("whitesmoke", new Integer((245 << 16) | (245 << 8) | 245));
+ colors.put("yellow", new Integer((255 << 16) | (255 << 8) | 0));
+ colors.put("yellowgreen", new Integer((154 << 16) | (205 << 8) | 50));
+ }
+
+}
--- /dev/null
+// Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
+package org.xwt.shoehorn3;
+
+import java.io.*;
+import java.util.*;
+import java.util.zip.*;
+import java.math.*;
+
+/** Reads a CAB file structure */
+public class CAB {
+
+ /** reads a CAB file, parses it, and returns an InputStream representing the named file */
+ public static InputStream getFileInputStream(InputStream is, String fileName, boolean mscfAlreadyConsumed) throws IOException {
+ DataInputStream dis = new DataInputStream(is);
+ CFHEADER h = new CFHEADER();
+ h.read(dis, mscfAlreadyConsumed);
+
+ for(int i=0; i<h.folders.length; i++) {
+ CFFOLDER f = new CFFOLDER(h);
+ f.read(dis);
+ }
+
+ for(int i=0; i<h.files.length; i++) {
+ CFFILE f = new CFFILE(h);
+ f.read(dis);
+ }
+
+ for(int i=0; i<h.folders.length; i++) {
+ InputStream is2 = new CFFOLDERInputStream(h.folders[i], dis);
+ for(int j=0; j<h.folders[i].files.size(); j++) {
+ CFFILE file = (CFFILE)h.folders[i].files.elementAt(j);
+ if (file.fileName.equals(fileName)) return new LimitStream(is2, file.fileSize);
+ byte[] b = new byte[file.fileSize];
+ int read = is2.read(b);
+ }
+ }
+
+ return null;
+ }
+
+ private static class LimitStream extends FilterInputStream {
+ int limit;
+ public LimitStream(InputStream is, int limit) {
+ super(is);
+ this.limit = limit;
+ }
+ public int read() throws IOException {
+ if (limit == 0) return -1;
+ int ret = super.read();
+ if (ret != -1) limit--;
+ return ret;
+ }
+ public int read(byte[] b, int off, int len) throws IOException {
+ if (len > limit) len = limit;
+ if (limit == 0) return -1;
+ int ret = super.read(b, off, len);
+ limit -= ret;
+ return ret;
+ }
+ }
+
+ /** Encapsulates a CFHEADER entry */
+ public static class CFHEADER {
+ byte[] reserved1 = new byte[4]; // reserved
+ int fileSize = 0; // size of this cabinet file in bytes
+ byte[] reserved2 = new byte[4]; // reserved
+ int offsetOfFirstCFFILEEntry; // offset of the first CFFILE entry
+ byte[] reserved3 = new byte[4]; // reserved
+ byte versionMinor = 3; // cabinet file format version, minor
+ byte versionMajor = 1; // cabinet file format version, major
+ boolean prevCAB = false; // true iff there is a cabinet before this one in a sequence
+ boolean nextCAB = false; // true iff there is a cabinet after this one in a sequence
+ boolean hasReserved = false; // true iff the cab has per-{cabinet, folder, block} reserved areas
+ int setID = 0; // must be the same for all cabinets in a set
+ int indexInCabinetSet = 0; // number of this cabinet file in a set
+ byte perCFFOLDERReservedSize = 0; // (optional) size of per-folder reserved area
+ byte perDatablockReservedSize = 0; // (optional) size of per-datablock reserved area
+ byte[] perCabinetReservedArea = null; // per-cabinet reserved area
+ String previousCabinet = null; // name of previous cabinet file in a set
+ String previousDisk = null; // name of previous disk in a set
+ String nextCabinet = null; // name of next cabinet in a set
+ String nextDisk = null; // name of next disk in a set
+
+ CFFOLDER[] folders = new CFFOLDER[0];
+ CFFILE[] files = new CFFILE[0];
+
+ int readCFFOLDERs = 0; // the number of folders read in so far
+ int readCFFILEs = 0; // the number of folders read in so far
+
+ public CFHEADER() { }
+
+ public void print(PrintStream ps) {
+ ps.println("CAB CFFILE CFHEADER v" + ((int)versionMajor) + "." + ((int)versionMinor));
+ ps.println(" total file size = " + fileSize);
+ ps.println(" offset of first file = " + offsetOfFirstCFFILEEntry);
+ ps.println(" total folders = " + folders.length);
+ ps.println(" total files = " + files.length);
+ ps.println(" flags = 0x" +
+ Integer.toString((prevCAB ? 0x1 : 0x0) |
+ (nextCAB ? 0x2 : 0x0) |
+ (hasReserved ? 0x4 : 0x0), 16) + " [ " +
+ (prevCAB ? "prev " : "") +
+ (nextCAB ? "next " : "") +
+ (hasReserved ? "reserve_present " : "") + "]");
+ ps.println(" set id = " + setID);
+ ps.println(" index in set = " + indexInCabinetSet);
+ ps.println(" header reserved area #1 =" +
+ " 0x" + Integer.toString(reserved1[0], 16) +
+ " 0x" + Integer.toString(reserved1[1], 16) +
+ " 0x" + Integer.toString(reserved1[2], 16) +
+ " 0x" + Integer.toString(reserved1[3], 16));
+ ps.println(" header reserved area #2 =" +
+ " 0x" + Integer.toString(reserved2[0], 16) +
+ " 0x" + Integer.toString(reserved2[1], 16) +
+ " 0x" + Integer.toString(reserved2[2], 16) +
+ " 0x" + Integer.toString(reserved2[3], 16));
+ ps.println(" header reserved area #3 =" +
+ " 0x" + Integer.toString(reserved3[0], 16) +
+ " 0x" + Integer.toString(reserved3[1], 16) +
+ " 0x" + Integer.toString(reserved3[2], 16) +
+ " 0x" + Integer.toString(reserved3[3], 16));
+ if (hasReserved) {
+ if (perCabinetReservedArea != null) {
+ ps.print(" per-cabinet reserved area = ");
+ for(int i=0; i<perCabinetReservedArea.length; i++)
+ ps.print(((perCabinetReservedArea[i] & 0xff) < 16 ? "0" : "") +
+ Integer.toString(perCabinetReservedArea[i] & 0xff, 16) + " ");
+ ps.println();
+ }
+ ps.println(" per folder reserved area = " + perCFFOLDERReservedSize + " bytes");
+ ps.println(" per block reserved area = " + perDatablockReservedSize + " bytes");
+ }
+ }
+
+ public String toString() {
+ return
+ "[ CAB CFFILE CFHEADER v" +
+ ((int)versionMajor) + "." + ((int)versionMinor) + ", " +
+ fileSize + " bytes, " +
+ folders.length + " folders, " +
+ files.length + " files] ";
+ }
+
+ /** fills in all fields in the header and positions the stream at the first folder */
+ public void read(DataInputStream dis, boolean mscfAlreadyConsumed) throws IOException {
+ if (!mscfAlreadyConsumed) {
+ if (dis.readByte() != 0x4d) throw new CABException("First byte of header signature malformed");
+ if (dis.readByte() != 0x53) throw new CABException("Second byte of header signature malformed");
+ if (dis.readByte() != 0x43) throw new CABException("Third byte of header signature malformed");
+ if (dis.readByte() != 0x46) throw new CABException("Fourth byte of header signature malformed");
+ }
+ dis.readFully(reserved1);
+
+ byte[] headerHashable = new byte[28];
+ dis.readFully(headerHashable);
+ DataInputStream hhis = new DataInputStream(new ByteArrayInputStream(headerHashable));
+
+ fileSize = readLittleInt(hhis);
+ hhis.readFully(reserved2);
+ offsetOfFirstCFFILEEntry = readLittleInt(hhis);
+ hhis.readFully(reserved3);
+ versionMinor = hhis.readByte();
+ versionMajor = hhis.readByte();
+ folders = new CFFOLDER[readLittleShort(hhis)];
+ files = new CFFILE[readLittleShort(hhis)];
+ int flags = readLittleShort(hhis);
+ prevCAB = (flags & 0x0001) != 0;
+ nextCAB = (flags & 0x0002) != 0;
+ hasReserved = (flags & 0x0004) != 0;
+ setID = readLittleShort(hhis);
+ indexInCabinetSet = readLittleShort(hhis);
+
+ if (hasReserved) {
+ perCabinetReservedArea = new byte[readLittleShort(dis)];
+ perCFFOLDERReservedSize = dis.readByte();
+ perDatablockReservedSize = dis.readByte();
+ if (perCabinetReservedArea.length > 0)
+ dis.readFully(perCabinetReservedArea);
+ }
+ if (prevCAB) {
+ previousCabinet = readZeroTerminatedString(dis);
+ previousDisk = readZeroTerminatedString(dis);
+ }
+ if (nextCAB) {
+ nextCabinet = readZeroTerminatedString(dis);
+ nextDisk = readZeroTerminatedString(dis);
+ }
+ }
+ }
+
+ /** Encapsulates a CFFOLDER entry */
+ public static class CFFOLDER {
+ int firstBlockOffset = 0; // offset of first data block within this folder
+ int numBlocks = 0; // number of data blocks
+ int compressionType = 0; // compression type for this folder
+ byte[] reservedArea = null; // per-folder reserved area
+ int indexInCFHEADER = 0; // our index in CFHEADER.folders
+ Vector files = new Vector();
+
+ private CFHEADER header = null;
+
+ public CFFOLDER(CFHEADER header) { this.header = header; }
+
+ public String toString() {
+ return "[ CAB CFFOLDER, " + numBlocks + " data blocks, compression type " +
+ (compressionType == 1 ? "MSZIP" : "unknown") +
+ ", " + reservedArea.length + " bytes of reserved data ]";
+ }
+
+ public void read(DataInputStream dis) throws IOException {
+ firstBlockOffset = readLittleInt(dis);
+ numBlocks = readLittleShort(dis);
+ compressionType = readLittleShort(dis);
+ reservedArea = new byte[header.perCFFOLDERReservedSize];
+ if (reservedArea.length > 0) dis.readFully(reservedArea);
+ indexInCFHEADER = header.readCFFOLDERs++;
+ header.folders[indexInCFHEADER] = this;
+ }
+ }
+
+ /** Encapsulates a CFFILE entry */
+ public static class CFFILE {
+ int fileSize = 0; // size of this file
+ int uncompressedOffsetInCFFOLDER = 0; // offset of this file within the folder, not accounting for compression
+ int folderIndex = 0; // index of the CFFOLDER we belong to
+ Date date = null; // modification date
+ int attrs = 0; // attrs
+ boolean readOnly = false; // read-only flag
+ boolean hidden = false; // hidden flag
+ boolean system = false; // system flag
+ boolean arch = false; // archive flag
+ boolean runAfterExec = false; // true if file should be run during extraction
+ boolean UTFfileName = false; // true if filename is UTF-encoded
+ String fileName = null; // filename
+ int indexInCFHEADER = 0; // our index in CFHEADER.files
+ CFFOLDER folder = null; // the folder we belong to
+ private CFHEADER header = null;
+ File myFile;
+
+ public CFFILE(CFHEADER header) { this.header = header; }
+
+ public CFFILE(File f, String pathName) throws IOException {
+ fileSize = (int)f.length();
+ folderIndex = 0;
+ date = new java.util.Date(f.lastModified());
+ fileName = pathName;
+ myFile = f;
+ }
+
+ public String toString() {
+ return "[ CAB CFFILE: " + fileName + ", " + fileSize + " bytes [ " +
+ (readOnly ? "readonly " : "") +
+ (system ? "system " : "") +
+ (hidden ? "hidden " : "") +
+ (arch ? "arch " : "") +
+ (runAfterExec ? "run_after_exec " : "") +
+ (UTFfileName ? "UTF_filename " : "") +
+ "]";
+ }
+
+ public void read(DataInputStream dis) throws IOException {
+ fileSize = readLittleInt(dis);
+ uncompressedOffsetInCFFOLDER = readLittleInt(dis);
+ folderIndex = readLittleShort(dis);
+ readLittleShort(dis); // FIXME: date
+ readLittleShort(dis); // FIXME: time
+ attrs = readLittleShort(dis);
+ readOnly = (attrs & 0x1) != 0;
+ hidden = (attrs & 0x2) != 0;
+ system = (attrs & 0x4) != 0;
+ arch = (attrs & 0x20) != 0;
+ runAfterExec = (attrs & 0x40) != 0;
+ UTFfileName = (attrs & 0x80) != 0;
+ fileName = readZeroTerminatedString(dis);
+
+ indexInCFHEADER = header.readCFFILEs++;
+ header.files[indexInCFHEADER] = this;
+ folder = header.folders[folderIndex];
+ folder.files.addElement(this);
+ }
+ }
+
+
+
+
+ // Compressing Input and Output Streams ///////////////////////////////////////////////
+
+ /** an InputStream that decodes CFDATA blocks belonging to a CFFOLDER */
+ private static class CFFOLDERInputStream extends InputStream {
+ CFFOLDER folder;
+ DataInputStream dis;
+ InputStream iis = null;
+
+ byte[] compressed = new byte[128 * 1024];
+ byte[] uncompressed = new byte[256 * 1024];
+
+ public CFFOLDERInputStream(CFFOLDER f, DataInputStream dis) {
+ this.folder = f;
+ this.dis = dis;
+ }
+
+ InputStream readBlock() throws IOException {
+ int checksum = readLittleInt(dis);
+ int compressedBytes = readLittleShort(dis);
+ int unCompressedBytes = readLittleShort(dis);
+ byte[] reserved = new byte[/*folder.header.perDatablockReservedSize*/0];
+ if (reserved.length > 0) dis.readFully(reserved);
+ if (dis.readByte() != 0x43) throw new CABException("malformed block header");
+ if (dis.readByte() != 0x4B) throw new CABException("malformed block header");
+
+ dis.readFully(compressed, 0, compressedBytes - 2);
+
+ Inflater i = new Inflater(true);
+ i.setInput(compressed, 0, compressedBytes - 2);
+
+ if (unCompressedBytes > uncompressed.length) uncompressed = new byte[unCompressedBytes];
+ try { i.inflate(uncompressed, 0, uncompressed.length);
+ } catch (DataFormatException dfe) {
+ dfe.printStackTrace();
+ throw new CABException(dfe.toString());
+ }
+ return new ByteArrayInputStream(uncompressed, 0, unCompressedBytes);
+ }
+
+ public int available() throws IOException { return iis == null ? 0 : iis.available(); }
+ public void close() throws IOException { iis.close(); }
+ public void mark(int i) { }
+ public boolean markSupported() { return false; }
+ public void reset() { }
+
+ public long skip(long l) throws IOException {
+ if (iis == null) iis = readBlock();
+ int ret = 0;
+ while (l > ret) {
+ long numread = iis.skip(l - ret);
+ if (numread == 0 || numread == -1) iis = readBlock();
+ else ret += numread;
+ }
+ return ret;
+ }
+
+ public int read(byte[] b, int off, int len) throws IOException {
+ if (iis == null) iis = readBlock();
+ int ret = 0;
+ while (len > ret) {
+ int numread = iis.read(b, off + ret, len - ret);
+ if (numread == 0 || numread == -1) iis = readBlock();
+ else ret += numread;
+ }
+ return ret;
+ }
+
+ public int read() throws IOException {
+ if (iis == null) iis = readBlock();
+ int ret = iis.read();
+ if (ret == -1) {
+ iis = readBlock();
+ ret = iis.read();
+ }
+ return ret;
+ }
+ }
+
+
+
+ // Misc Stuff //////////////////////////////////////////////////////////////
+
+ public static String readZeroTerminatedString(DataInputStream dis) throws IOException {
+ int numBytes = 0;
+ byte[] b = new byte[256];
+ while(true) {
+ byte next = dis.readByte();
+ if (next == 0x0) return new String(b, 0, numBytes);
+ b[numBytes++] = next;
+ }
+ }
+
+ public static int readLittleInt(DataInputStream dis) throws IOException {
+ int lowest = (int)(dis.readByte() & 0xff);
+ int low = (int)(dis.readByte() & 0xff);
+ int high = (int)(dis.readByte() & 0xff);
+ int highest = (int)(dis.readByte() & 0xff);
+ return (highest << 24) | (high << 16) | (low << 8) | lowest;
+ }
+
+ public static int readLittleShort(DataInputStream dis) throws IOException {
+ int low = (int)(dis.readByte() & 0xff);
+ int high = (int)(dis.readByte() & 0xff);
+ return (high << 8) | low;
+ }
+
+ public static class CABException extends IOException {
+ public CABException(String s) { super(s); }
+ }
+
+
+ /** scratch space for isToByteArray() */
+ static byte[] workspace = new byte[16 * 1024];
+
+ /** Trivial method to completely read an InputStream */
+ public static synchronized byte[] isToByteArray(InputStream is) throws IOException {
+ int pos = 0;
+ while (true) {
+ int numread = is.read(workspace, pos, workspace.length - pos);
+ if (numread == -1) break;
+ else if (pos + numread < workspace.length) pos += numread;
+ else {
+ pos += numread;
+ byte[] temp = new byte[workspace.length * 2];
+ System.arraycopy(workspace, 0, temp, 0, workspace.length);
+ workspace = temp;
+ }
+ }
+ byte[] ret = new byte[pos];
+ System.arraycopy(workspace, 0, ret, 0, pos);
+ return ret;
+ }
+
+
+}
+
}
public void remove(Object k1) { remove(k1, null); }
- public void remove(Object k1, Object k2) { put(k1, k2, null); }
+ public void remove(Object k1, Object k2) { put_(k1, k2, null); }
private void rehash() {
Object[] oldkeys1 = keys1;
usedslots = 0;
for(int i=0; i<oldvals.length; i++)
if (((oldkeys1[i] != null && oldkeys1[i] != placeholder) || (oldkeys2 != null && oldkeys2[i] != null)) && oldvals[i] != null)
- put(oldkeys1[i], oldkeys2 == null ? null : oldkeys2[i], oldvals[i]);
+ put_(oldkeys1[i], oldkeys2 == null ? null : oldkeys2[i], oldvals[i]);
}
public Object get(Object k1) { return get(k1, null); }
}
public void put(Object k1, Object v) { put(k1, null, v); }
- public void put(Object k1, Object k2, Object v) {
+ public void put(Object k1, Object k2, Object v) { put_(k1, k2, v); }
+ private void put_(Object k1, Object k2, Object v) {
if (usedslots * loadFactor > vals.length) rehash();
int hash = (k1 == null ? 0 : k1.hashCode()) ^ (k2 == null ? 0 : k2.hashCode());
int dest = Math.abs(hash) % vals.length;