import java.io.*;
import java.util.zip.*;
import java.util.*;
+import org.bouncycastle.util.encoders.Base64;
+
+import org.xwt.mips.Runtime;
// FEATURE: use streams, not memoryfont's
// FEATURE: kerning pairs
public Freetype() { }
- private static byte[] image = null;
- private static final int FONT_RESERVED = 256*1024;
-
- private org.xwt.mips.Interpreter vm = null;
+ private int mem_allocated = 0;
+ private Runtime vm = null;
- private Res loadedStream = null;
+ private Stream loadedStream = null;
- public void loadFontByteStream(Res res) {
+ public void loadFontByteStream(Stream res) {
try {
- Log.log(this, "loading font " + res.getDescriptiveName());
+ Log.info(this, "loading font " + res);
loadedStream = res;
- InputStream is = res.getInputStream();
+ InputStream is = Stream.getInputStream(res);
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(FONT_RESERVED);
+ 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.mips" });
+ vm.start(new String[]{ "freetype" });
vm.execute();
+ if(vm.getState() == Runtime.DONE) throw new Error("Freetype VM exited: " + vm.exitStatus());
} catch (Exception e) {
- Log.log(this, e);
+ Log.info(this, e);
}
}
- public synchronized void renderGlyph(Font.Glyph glyph) {
+ public synchronized void renderGlyph(Font.Glyph glyph) throws IOException {
try {
- if (loadedStream != glyph.font.res) loadFontByteStream(glyph.font.res);
+ 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);
glyph.baseline = vm.getUserInfo(10);
glyph.advance = vm.getUserInfo(11);
- int width = vm.getUserInfo(6);
- int height = vm.getUserInfo(7);
- if (width == 0 || height == 0) {
- Log.log(Freetype.class, "warning glyph has zero width/height");
- glyph.p = Platform.createAlphaOnlyPicture(new byte[] { }, 0, 0);
-
- } 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);
- }
-
+ 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(this, e);
+ Log.info(this, e);
}
}
}