X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2Ftranslators%2FFreetype.java;h=3079606ac6f097b762d8461eaeca22f3c260d375;hb=0b0673bbc7f06c5d5418d5ab7ad5961a464e2de0;hp=411a409c4091677c2c44a100a79790e5579d8be7;hpb=2060ee1ac8af46405e6debdda96e0263e8cd5732;p=org.ibex.core.git diff --git a/src/org/xwt/translators/Freetype.java b/src/org/xwt/translators/Freetype.java index 411a409..3079606 100644 --- a/src/org/xwt/translators/Freetype.java +++ b/src/org/xwt/translators/Freetype.java @@ -3,72 +3,69 @@ import org.xwt.*; import org.xwt.util.*; import java.io.*; import java.util.zip.*; +import java.util.*; +import org.bouncycastle.util.encoders.Base64; // FEATURE: use streams, not memoryfont's // FEATURE: kerning pairs public class Freetype { - Freetype() { } + public Freetype() { } - private static org.xwt.mips.Interpreter vm = null; + private static byte[] image = null; - public static void renderGlyphs(Res res, int pointsize, int firstGlyph, int lastGlyph, Cache glyphCache) { + private int mem_allocated = 0; + private org.xwt.mips.Interpreter vm = null; + private Res loadedStream = null; + + public void loadFontByteStream(Res res) { try { + Log.log(this, "loading font " + res); + loadedStream = res; InputStream is = res.getInputStream(); byte[] fontstream = InputStreamToByteArray.convert(is); + if (image == null) image = InputStreamToByteArray.convert(Main.builtin.getInputStream("freetype.mips")); + vm = new org.xwt.mips.Interpreter(image); + 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.mips" }); + vm.execute(); + } catch (Exception e) { + Log.log(this, e); + } + } + + public synchronized void renderGlyph(Font.Glyph glyph) throws IOException { + int width = 0; + int height = 0; + byte[] data = null; - 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); - } - } + try { + if (loadedStream != glyph.font.res) loadFontByteStream(glyph.font.res); + 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); + + width = vm.getUserInfo(6); + height = vm.getUserInfo(7); + + data = new byte[width * height]; + int addr = vm.getUserInfo(5); + vm.copyin(addr,data,width*height); + + if (width == 0 || height == 0) Log.log(Freetype.class, "warning glyph has zero width/height"); + glyph.p = Platform.createAlphaOnlyPicture(data, width, height); } catch (Exception e) { - Log.log(Freetype.class, e); + Log.log(this, e); } } }