mass rename and rebranding from xwt to ibex - fixed to use ixt files

[org.ibex.core.git] / src / org / xwt / translators / Freetype.java

diff --git a/src/org/xwt/translators/Freetype.java b/src/org/xwt/translators/Freetype.java
index 411a409..a7020e9 100644 (file)
--- a/src/org/xwt/translators/Freetype.java
+++ b/src/org/xwt/translators/Freetype.java
@@ -1,74 +1,64 @@
 package org.xwt.translators;
-import org.xwt.*;
-import org.xwt.util.*;
+import org.ibex.*;
+import org.ibex.util.*;
 import java.io.*;
-import java.util.zip.*;
+
+import org.xwt.mips.Runtime;
 
 // FEATURE: use streams, not memoryfont's
 // FEATURE: kerning pairs
 public class Freetype {
 
-    Freetype() { }
+    public Freetype() { }
 
-    private static org.xwt.mips.Interpreter vm = null;
+    private int mem_allocated = 0;
+    private Runtime vm = null;
 
-    public static void renderGlyphs(Res res, int pointsize, int firstGlyph, int lastGlyph, Cache glyphCache) {
+    private Stream loadedStream = null;
 
+    public void loadFontByteStream(Stream res) {
         try {
-            InputStream is = res.getInputStream();
+            Log.info(this, "loading font " + res);
+            loadedStream = res;
+            InputStream is = Stream.getInputStream(res);
             byte[] fontstream = InputStreamToByteArray.convert(is);
+            vm = (Runtime)Class.forName("org.xwt.translators.MIPSApps").newInstance();
+            int baseAddr = vm.sbrk(fontstream.length);
+            vm.copyout(fontstream, baseAddr, fontstream.length);
+            vm.setUserInfo(0, baseAddr);
+            vm.setUserInfo(1, fontstream.length);
+            vm.start(new String[]{ "freetype" });
+            vm.execute();
+            if(vm.getState() == Runtime.DONE) throw new Error("Freetype VM exited: " + vm.exitStatus());
+        } catch (Exception e) {
+            Log.info(this, e);
+        }
+    }
 
-            synchronized(Freetype.class) {
-                if (vm == null) {
-                    InputStream bis = Platform.getBuiltinInputStream();
-                    ZipInputStream zis = new ZipInputStream(bis);
-                    for(ZipEntry ze = zis.getNextEntry(); ze != null && !ze.getName().equals("freetype.mips"); ze = zis.getNextEntry()) { }
-                    byte[] image = InputStreamToByteArray.convert(zis);
-                    vm = new org.xwt.mips.Interpreter(image);
-                    vm.start(new String[]{ "freetype.mips" });
-                    vm.execute();
-                }
-                
-                int FONT_RESERVED = 256*1024;
-                int baseAddr = vm.sbrk(FONT_RESERVED);
-                
-                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.baseline = vm.getUserInfo(10);
-                    glyph.advance = vm.getUserInfo(11);
-                    glyph.c = (char)g;
-                    
-                    int width = vm.getUserInfo(6);
-                    int height = vm.getUserInfo(7);
-                    
-                    if (width == 0 || height == 0) {
-                        Log.log(Freetype.class, "warning glyph " + g + " has zero width/height");
-                        
-                    } else {
-                        byte[] data = new byte[width * height];
-                        int addr = vm.getUserInfo(5);
-                        vm.copyin(addr,data,width*height);
-                        glyph.p = Platform.createAlphaOnlyPicture(data, width, height);
-                    }
-                    
-                    glyphCache.put(res, new Integer((g << 16) | pointsize), glyph);
-                }
-            }
+    public synchronized void renderGlyph(Font.Glyph glyph) throws IOException {
+        try {
+            Log.debug(this, "rasterizing glyph " + glyph.c + " of font " + glyph.font);
+            if (loadedStream != glyph.font.stream) loadFontByteStream(glyph.font.stream);
+            vm.setUserInfo(2, (int)glyph.c);
+            vm.setUserInfo(3, (int)glyph.c);
+            vm.setUserInfo(4, glyph.font.pointsize);
+            long start = System.currentTimeMillis();
+            vm.execute();
+            glyph.font.max_ascent = vm.getUserInfo(8);
+            glyph.font.max_descent = vm.getUserInfo(9);
+            glyph.baseline = vm.getUserInfo(10);
+            glyph.advance = vm.getUserInfo(11);
+            
+            glyph.width = vm.getUserInfo(6);
+            glyph.height = vm.getUserInfo(7);
+            
+            glyph.data = new byte[glyph.width * glyph.height];
+            int addr = vm.getUserInfo(5);
+            vm.copyin(addr, glyph.data, glyph.width * glyph.height);
+            glyph.isLoaded = true;
+            
         } catch (Exception e) {
-            Log.log(Freetype.class, e);
+            Log.info(this, e);
         }
     }
 }