import java.util.*;
import org.bouncycastle.util.encoders.Base64;
+import org.xwt.mips.Runtime;
+
// FEATURE: use streams, not memoryfont's
// FEATURE: kerning pairs
public class Freetype {
public Freetype() { }
- private static byte[] image = null;
-
private int mem_allocated = 0;
- private org.xwt.mips.Runtime vm = null;
+ 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);
+ Log.info(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);
- vm = new FreetypeVM();
+ vm = new MIPSApps();
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) throws IOException {
- int width = 0;
- int height = 0;
- byte[] data = null;
-
try {
if (loadedStream != glyph.font.res) loadFontByteStream(glyph.font.res);
vm.setUserInfo(2, (int)glyph.c);
glyph.baseline = vm.getUserInfo(10);
glyph.advance = vm.getUserInfo(11);
- width = vm.getUserInfo(6);
- height = vm.getUserInfo(7);
+ glyph.width = vm.getUserInfo(6);
+ glyph.height = vm.getUserInfo(7);
- data = new byte[width * height];
+ glyph.data = new byte[glyph.width * glyph.height];
int addr = vm.getUserInfo(5);
- vm.copyin(addr,data,width*height);
+ vm.copyin(addr, glyph.data, glyph.width * glyph.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(this, e);
+ Log.info(this, e);
}
}
}