-// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
+// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
package org.xwt.translators;
import java.util.*;
+// FIXME: need to support style sheets and the 'style=' attribute
+// FIXME: need to convert markers into subboxes
public class SVG {
+ /*
+ public static void parseNode(String name, String[] keys, Object[] vals, Template t) {
+ Hash h = new Hash();
+ for(int i=0; i<keys.length; i++) if (vals[i] != null) h.put(keys[i], vals[i]);
+
+ Hash props = new Hash();
+ props.put("transform", h.get("transform"));
+ props.put("fill", h.get("fill"));
+ props.put("stroke", h.get("stroke"));
+ if ("visible".equals(h.get("overflow")) || "auto".equals(h.get("overflow")))
+ Log.info(VectorGraphics.class, "warning: overflow={auto|visible} not supported; ignoring");
+ if (h.get("display") != null) props.put("invisible", new Boolean("none".equals(h.get("display"))));
+
+
+ // FIXME: "the automatic transformation that is created due to
+ // a viewBox does not affect the x, y, width and height
+ // attributes". Also, transform+viewbox together?
+
+ if (h.get("preserveAspectRatio") != null) {
+ StringTokenizer st = new StringTokenizer((String)h.get("preserveAspectRatio"), " ");
+ String align = st.nextToken();
+ if ("defer".equals(align)) align = st.nextToken();
+ if (!align.equals("none")) {
+ // FIXME, need to beef up Ibex's align property
+ align = "";
+ if (align.startsWith("yMin")) align = "top";
+ else if (align.startsWith("yMax")) align = "bottom";
+ if (align.startsWith("xMin")) align += "left";
+ else if (align.startsWith("xMax")) align += "right";
+ props.put("align", align);
+ }
+ // FIXME: need to implement scaling property on boxes, also size-to-viewbox
+ props.put("scaling", "uniform");
+ if (st.hasMoreTokens()) {
+ String meetOrSlice = st.nextToken();
+ if (meetOrSlice.equals("meet")) props.put("scaling", "meet"); // keep within viewport
+ else if (meetOrSlice.equals("slice")) props.put("scaling", "slice"); // expand beyond viewport
+ }
+ }
+
+ // FIXME: insert an extra layer of boxen and put this transform on the inner layer
+ if (h.get("viewBox") != null) {
+ PathTokenizer pt = new PathTokenizer(h.get("viewBox").toString());
+ String transform = (String)props.get("transform");
+ if (transform == null) transform = "";
+ transform = "translate(" + (-1 * pt.parseFloat()) + ", " + (-1 * pt.parseFloat()) + ") " +
+ "scale(" + pt.parseFloat() + "%, " + pt.parseFloat() + "%) ";
+ }
+
+ String path = (String)h.get("d");
+ if (name.equals("g")) {
+ path = null;
+
+ } else if (name.equals("font")) {
+ VectorGraphics.Font f = currentFont = new VectorGraphics.Font();
+ if (h.get("horiz-origin-x") != null) f.horiz_origin_x = Float.parseFloat(h.get("horiz-origin-x").toString());
+ if (h.get("horiz-origin-y") != null) f.horiz_origin_y = Float.parseFloat(h.get("horiz-origin-y").toString());
+ if (h.get("horiz-adv-x") != null) f.horiz_adv_x = Float.parseFloat(h.get("horiz-adv-x").toString());
+ if (h.get("vert-origin-x") != null) f.vert_origin_x = Float.parseFloat(h.get("vert-origin-x").toString());
+ if (h.get("vert-origin-y") != null) f.vert_origin_y = Float.parseFloat(h.get("vert-origin_y").toString());
+ if (h.get("vert-adv-y") != null) f.vert_adv_y = Float.parseFloat(h.get("vert-adv-y").toString());
+
+ } else if (name.equals("hkern")) {
+ //FIXME
+
+ } else if (name.equals("vkern")) {
+ //FIXME
+
+ } else if (name.equals("font-face")) {
+ //FIXME
+
+ } else if (name.equals("glyph") || name.equals("missing-glyph")) {
+ String glyphName = name.equals("missing-glyph") ? "missing-glyph" : (String)h.get("glyph-name");
+ VectorGraphics.Font.Glyph g = new VectorGraphics.Font.Glyph(glyphName, (String)h.get("unicode"), t, currentFont);
+ if (h.get("horiz-adv-x") != null) g.horiz_adv_x = Float.parseFloat(h.get("horiz-adv-x").toString());
+ if (h.get("vert-origin-x") != null) g.vert_origin_x = Float.parseFloat(h.get("vert-origin-x").toString());
+ if (h.get("vert-origin-y") != null) g.vert_origin_y = Float.parseFloat(h.get("vert-origin-y").toString());
+ if (h.get("vert-adv-y") != null) g.vert_adv_y = Float.parseFloat(h.get("vert-adv-y").toString());
+ if ("v".equals(h.get("orientation"))) g.isVerticallyOriented = true;
+
+ } else if (name.equals("svg")) {
+ // FIXME: handle percentages
+ // FIXME: what if these aren't provided?
+ // FIXME (in general)
+ float x = Float.parseFloat(h.get("x").toString());
+ float y = Float.parseFloat(h.get("y").toString());
+ float width = Float.parseFloat(h.get("width").toString());
+ float height = Float.parseFloat(h.get("height").toString());
+ h.put("viewBox", x + ", " + y + ", " + (x + width) + ", " + (y + height));
+ path = "";
+
+ } else if (name.equals("path")) {
+ path = h.get("d").toString();
+
+ } else if (name.equals("rect")) {
+ float x = Float.parseFloat(h.get("x").toString());
+ float y = Float.parseFloat(h.get("y").toString());
+ float width = Float.parseFloat(h.get("width").toString());
+ float height = Float.parseFloat(h.get("height").toString());
+ float rx = Float.parseFloat(h.get("rx").toString());
+ float ry = Float.parseFloat(h.get("ry").toString());
+ path =
+ "M" + (x + rx) + "," + y +
+ "H" + (x + width - rx) +
+ "A" + rx + "," + rx + ",0,0,1," + (x + width) + "," + (y + ry) +
+ "V" + (y + width - ry) +
+ "A" + rx + "," + rx + ",0,0,1," + (x + width - rx) + "," +
+ (y + height) +
+ "H" + (x + rx) +
+ "A" + rx + "," + rx + ",0,0,1," + x + "," + (y + height - ry) +
+ "V" + (y + ry) +
+ "A" + rx + "," + rx + ",0,0,1," + (x + rx) + "," + (y + ry) +
+ "Z";
+
+ } else if (name.equals("circle")) {
+ float r = Float.parseFloat(h.get("r").toString());
+ float cx = Float.parseFloat(h.get("cx").toString());
+ float cy = Float.parseFloat(h.get("cy").toString());
+ path = "A " + r + " " + r + " 1 1 " + cx + " " + cy;
+
+ } else if (name.equals("ellipse")) {
+ float rx = Float.parseFloat(h.get("rx").toString());
+ float ry = Float.parseFloat(h.get("ry").toString());
+ float cx = Float.parseFloat(h.get("cx").toString());
+ float cy = Float.parseFloat(h.get("cy").toString());
+ path = "A " + rx + " " + ry + " 1 1 " + cx + " " + cy;
+
+ } else if (name.equals("line")) {
+ float x1 = Float.parseFloat(h.get("x1").toString());
+ float y1 = Float.parseFloat(h.get("y1").toString());
+ float x2 = Float.parseFloat(h.get("x2").toString());
+ float y2 = Float.parseFloat(h.get("y2").toString());
+ path = "M " + x1 + " " + y1 + " L " + x2 + " " + y2;
+
+ } else if (name.equals("polyline") || name.equals("polygon")) {
+ StringTokenizer st = new StringTokenizer(h.get("points").toString(), ", ", false);
+ String s = "M ";
+ while(st.hasMoreTokens()) s += st.nextToken() + " " + st.nextToken() + " ";
+ path = s + (name.equals("polygon") ? "z" : "");
+
+ } else {
+ Log.info(VectorGraphics.class, "unknown element in VectorGraphics namespace: " + name);
+ }
+ props.put("path", path);
+ t.keys = new String[props.size()];
+ System.arraycopy(props.keys(), 0, t.keys, 0, t.keys.length);
+ t.vals = new String[props.size()];
+ for(int i=0; i<t.keys.length; i++) t.vals[i] = props.get(t.keys[i]);
+
+
+ // FIXME!!!!
+ if (h.get("viewBox") != null) {
+ StringTokenizer st = new StringTokenizer(h.get("viewBox").toString(), ", ", false);
+ if (t.transform == null) t.transform = "";
+ Point p1, p2;
+ VectorGraphics.RasterPath.fromString(path).getBoundingBox(p1, p2);
+
+ float minx = st.parseFloat();
+ float miny = st.parseFloat();
+ float width = st.parseFloat();
+ float height = st.parseFloat();
+ t.transform += "translate(" + (-1 * p1.x) + ", " + (-1 * p1.y) + ") " +
+ "scale(" + ((p2.x - p1.x) / width) + ", " + ((p2.y - p1.y) / height) + ") " +
+ "translate(" + minx + ", " + miny + ") ";
+
+ // FIXME: preserveAspectRatio
+ }
+
+ }
+ */
+
+ /*
+ public static class Font {
+ Font() { }
+ float horiz_origin_x = 0, horiz_origin_y = 0, horiz_adv_x = 0;
+ float vert_origin_x = 0, vert_origin_y = 0, vert_adv_y = 0;
+
+ // FIXME: avoid using substring() in here ore creating any objects
+ public void render(String text, DoubleBuffer buf, int x, int y, int fillcolor, int strokecolor, int size) {
+ // FIXME: points, not pixels
+ Affine a = buf.a;
+ float scaleFactor = (float)(1.0/1000.0) * (float)size;
+ for(int pos=0; pos<text.length(); pos++) {
+ Glyph g;
+ for(g = (Glyph)glyphByUnicode.get(text.substring(pos, pos+1));
+ g != null && !g.unicode.equals(text.substring(pos, pos + g.unicode.length()));
+ g = g.next);
+ if (g == null) {
+ g = (Glyph)glyphByName.get("missing-glyph");
+ } else {
+ pos += g.unicode.length() - 1;
+ }
+ if (g != null) {
+ System.out.println(" " + g.unicode);
+ g.render(buf, x, y, fillcolor, strokecolor, scaleFactor);
+ x += (int)(g.horiz_adv_x * size / 1000.0);
+ } else {
+ x += (int)(horiz_adv_x * size / 1000.0);
+ }
+ }
+ buf.setTransform(a);
+ }
+
+ / ** all glyphs, keyed by their <tt>name</tt> property * /
+ Hashtable glyphByName = new Hashtable();
+
+ / ** linked list of glyphs, stored by the first character of their <tt>unicode</tt> property * /
+ Hashtable glyphByUnicode = new Hashtable();
+
+ // a Glyph in an VectorGraphics font
+ public static class Glyph {
+
+ // FIXME: lang attribute
+ boolean isVerticallyOriented = false;
+ Template t = null;
+ Box b = null;
+
+ float horiz_adv_x = 0;
+ float vert_origin_x = 0;
+ float vert_origin_y = 0;
+ float vert_adv_y = 0;
+
+ String unicode = null;
+
+ // forms the linked list in glyphByUnicode; glyphs appear in the order specified in the font
+ public Glyph next = null;
+
+ Glyph(String name, String unicode, Template t, VectorGraphics.Font f) {
+ if (unicode != null)
+ if (f.glyphByUnicode.get(unicode.substring(0, 1)) == null) {
+ f.glyphByUnicode.put(unicode.substring(0, 1), this);
+ } else {
+ Glyph g;
+ for(g = (Glyph)f.glyphByUnicode.get(unicode.substring(0, 1)); g.next != null; g = g.next);
+ g.next = this;
+ }
+ if (name != null) f.glyphByUnicode.put(name, this);
+ this.unicode = unicode;
+ this.t = t;
+ horiz_adv_x = f.horiz_adv_x;
+ vert_origin_x = f.vert_origin_x;
+ vert_origin_y = f.vert_origin_y;
+ vert_adv_y = f.vert_adv_y;
+ }
+ public void render(DoubleBuffer buf, int x, int y, int fillcolor, int strokecolor, float scaleFactor) {
+ // FEATURE: make b double-buffered for increased performance
+ if (b == null) {
+ b = new Box(t, new org.ibex.util.Vec(), new org.ibex.util.Vec(), null, 0, 0);
+ b.put("absolute", Boolean.TRUE);
+ b.prerender();
+ t = null;
+ }
+ // FIXME
+ b.put("width", new Integer(1000));
+ b.put("height", new Integer(1000));
+ b.fillcolor = fillcolor;
+ b.strokecolor = strokecolor;
+
+ // we toss an extra flip on the ctm so that fonts stick "up" instead of down
+ b.render(0, 0, buf.getWidth(), buf.getHeight(), buf,
+ Affine.flip(false, true).multiply(Affine.scale(scaleFactor, scaleFactor).multiply(Affine.translate(x, y))).multiply(buf.a));
+ }
+ }
+ }
+ */
+
+
/** Copied verbatim from the SVG specification */
public static Hashtable colors = new Hashtable(400);
static {
projects / org.ibex.core.git / blobdiff