public static UIFont createGuiFont(String name, int font_size) {
Font font = load_ttf(StringUtils.concat(name, ".ttf"), font_size);
UIFont tmp = new UIFont();
tmp.font_texture = new Texture();
Graphics2D graphics = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB).createGraphics();
graphics.setFont(font);
tmp.fontMetrics = graphics.getFontMetrics();
WritableRaster raster;
BufferedImage bufferedImage;
raster =
Raster.createInterleavedRaster(
DataBuffer.TYPE_BYTE,
(int) tmp.getFontImageWidth(),
(int) tmp.getFontImageHeight(),
4,
null);
bufferedImage = new BufferedImage(glAlphaColorModel, raster, false, null);
// Draw the characters on our image
Graphics2D imageGraphics = bufferedImage.createGraphics();
imageGraphics.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
imageGraphics.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
imageGraphics.setFont(font);
imageGraphics.setColor(Color.white.getAWTColor());
// draw every CHAR by line...
for (int i : key_table.keySet())
imageGraphics.drawString(
key_table.get(i), 0, (int) (tmp.fontMetrics.getMaxAscent() + (tmp.getHeight() * i)));
// Generate texture data
byte[] data = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();
ByteBuffer imageData = BufferUtils.create_byte_buffer(data.length);
imageData.order(ByteOrder.nativeOrder());
imageData.put(data, 0, data.length);
imageData.flip();
glBindTexture(GL_TEXTURE_2D, tmp.font_texture.id);
// Setup wrap mode
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA8,
(int) tmp.getFontImageWidth(),
(int) tmp.getFontImageHeight(),
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
imageData);
return tmp;
}
public static UIFont getDefault() {
if (default_font == null) default_font = UIFont.createGuiFont("Kasper_R", 32);
return default_font;
}
