public static void drawString(UIFont font, String s, int x, int y, Color color) {
if (s == null || s.length() <= 0) return;
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, font.getFontTexture().id);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(color.r, color.g, color.b, color.a);
glBegin(GL_QUADS);
{
for (char c : s.toCharArray()) {
if (c == '\n') y += font.getHeight();
float width = font.charWidth(c);
float height = font.getHeight();
float u = 1f / font.getFontImageWidth() * font.getCharX(c);
float v = 1f / font.getFontImageHeight() * font.getCharY(c);
float u2 = u + 1f / font.getFontImageWidth() * width;
float v2 = v + 1f / font.getFontImageHeight() * height;
glTexCoord2f(u, v);
glVertex2f(x, y);
glTexCoord2f(u2, v);
glVertex2f(x + width, y);
glTexCoord2f(u2, v2);
glVertex2f(x + width, y + height);
glTexCoord2f(u, v2);
glVertex2f(x, y + height);
x += width;
}
}
glEnd();
glColor4f(1, 1, 1, 1);
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
}
public static void drawString(String s, int x, int y, Color color) {
drawString(UIFont.getDefault(), s, x, y, color);
}