public void save(File outputBMFontFile) throws IOException, SlickException {
File outputDir = outputBMFontFile.getParentFile();
String outputName = outputBMFontFile.getName();
if (outputName.endsWith(".fnt")) outputName = outputName.substring(0, outputName.length() - 4);
unicodeFont.loadGlyphs();
PrintStream out =
new PrintStream(new FileOutputStream(new File(outputDir, outputName + ".fnt")));
Font font = unicodeFont.getFont();
int pageWidth = unicodeFont.getGlyphPageWidth();
int pageHeight = unicodeFont.getGlyphPageHeight();
out.println(
"info face=\""
+ font.getFontName()
+ "\" size="
+ font.getSize()
+ " bold="
+ (font.isBold() ? 1 : 0)
+ " italic="
+ (font.isItalic() ? 1 : 0)
+ " charset=\"\" unicode=0 stretchH=100 smooth=1 aa=1 padding=0,0,0,0 spacing=1,1");
out.println(
"common lineHeight="
+ unicodeFont.getLineHeight()
+ " base=26 scaleW="
+ pageWidth
+ " scaleH="
+ pageHeight
+ " pages="
+ unicodeFont.getGlyphPages().size()
+ " packed=0");
int pageIndex = 0, glyphCount = 0;
for (Iterator pageIter = unicodeFont.getGlyphPages().iterator(); pageIter.hasNext(); ) {
GlyphPage page = (GlyphPage) pageIter.next();
String fileName;
if (pageIndex == 0 && !pageIter.hasNext()) fileName = outputName + ".png";
else fileName = outputName + (pageIndex + 1) + ".png";
out.println("page id=" + pageIndex + " file=\"" + fileName + "\"");
glyphCount += page.getGlyphs().size();
pageIndex++;
}
out.println("chars count=" + glyphCount);
// Always output space entry (codepoint 32).
int[] glyphMetrics = getGlyphMetrics(font, 32);
int xAdvance = glyphMetrics[1];
out.println(
"char id=32 x=0 y=0 width=0 height=0 xoffset=0 yoffset="
+ unicodeFont.getAscent()
+ " xadvance="
+ xAdvance
+ " page=0 chnl=0 ");
pageIndex = 0;
List allGlyphs = new ArrayList(512);
for (Iterator pageIter = unicodeFont.getGlyphPages().iterator(); pageIter.hasNext(); ) {
GlyphPage page = (GlyphPage) pageIter.next();
for (Iterator glyphIter = page.getGlyphs().iterator(); glyphIter.hasNext(); ) {
Glyph glyph = (Glyph) glyphIter.next();
glyphMetrics = getGlyphMetrics(font, glyph.getCodePoint());
int xOffset = glyphMetrics[0];
xAdvance = glyphMetrics[1];
out.println(
"char id="
+ glyph.getCodePoint()
+ " "
+ "x="
+ (int) (glyph.getImage().getTextureOffsetX() * pageWidth)
+ " y="
+ (int) (glyph.getImage().getTextureOffsetY() * pageHeight)
+ " width="
+ glyph.getWidth()
+ " height="
+ glyph.getHeight()
+ " xoffset="
+ xOffset
+ " yoffset="
+ glyph.getYOffset()
+ " xadvance="
+ xAdvance
+ " page="
+ pageIndex
+ " chnl=0 ");
}
allGlyphs.addAll(page.getGlyphs());
pageIndex++;
}
String ttfFileRef = unicodeFont.getFontFile();
if (ttfFileRef == null)
Log.warn(
"Kerning information could not be output because a TTF font file was not specified.");
else {
Kerning kerning = new Kerning();
try {
kerning.load(ResourceLoader.getResourceAsStream(ttfFileRef), font.getSize());
} catch (IOException ex) {
Log.warn("Unable to read kerning information from font: " + ttfFileRef);
}
Map glyphCodeToCodePoint = new HashMap();
for (Iterator iter = allGlyphs.iterator(); iter.hasNext(); ) {
Glyph glyph = (Glyph) iter.next();
glyphCodeToCodePoint.put(
new Integer(getGlyphCode(font, glyph.getCodePoint())),
new Integer(glyph.getCodePoint()));
}
List kernings = new ArrayList(256);
class KerningPair {
public int firstCodePoint, secondCodePoint, offset;
}
for (Iterator iter1 = allGlyphs.iterator(); iter1.hasNext(); ) {
Glyph firstGlyph = (Glyph) iter1.next();
int firstGlyphCode = getGlyphCode(font, firstGlyph.getCodePoint());
int[] values = kerning.getValues(firstGlyphCode);
if (values == null) continue;
for (int i = 0; i < values.length; i++) {
Integer secondCodePoint =
(Integer) glyphCodeToCodePoint.get(new Integer(values[i] & 0xffff));
if (secondCodePoint == null) continue; // We may not be outputting the second character.
int offset = values[i] >> 16;
KerningPair pair = new KerningPair();
pair.firstCodePoint = firstGlyph.getCodePoint();
pair.secondCodePoint = secondCodePoint.intValue();
pair.offset = offset;
kernings.add(pair);
}
}
out.println("kernings count=" + kerning.getCount());
for (Iterator iter = kernings.iterator(); iter.hasNext(); ) {
KerningPair pair = (KerningPair) iter.next();
out.println(
"kerning first="
+ pair.firstCodePoint
+ " second="
+ pair.secondCodePoint
+ " amount="
+ pair.offset);
}
}
out.close();
pageIndex = 0;
ImageIOWriter imageWriter = new ImageIOWriter();
for (Iterator pageIter = unicodeFont.getGlyphPages().iterator(); pageIter.hasNext(); ) {
GlyphPage page = (GlyphPage) pageIter.next();
String fileName;
if (pageIndex == 0 && !pageIter.hasNext()) fileName = outputName + ".png";
else fileName = outputName + (pageIndex + 1) + ".png";
File imageOutputFile = new File(outputDir, fileName);
FileOutputStream imageOutput = new FileOutputStream(imageOutputFile);
try {
imageWriter.saveImage(page.getImage(), "png", imageOutput, true);
} finally {
imageOutput.close();
}
// Flip output image.
Image image = new ImageIcon(imageOutputFile.getAbsolutePath()).getImage();
BufferedImage bufferedImage =
new BufferedImage(
image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);
Graphics g = bufferedImage.getGraphics();
g.drawImage(image, 0, 0, null);
AffineTransform tx = AffineTransform.getScaleInstance(-1, 1);
tx.translate(0, -image.getHeight(null));
AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
bufferedImage = op.filter(bufferedImage, null);
ImageIO.write(bufferedImage, "png", imageOutputFile);
pageIndex++;
}
}
