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130 lines
2.4 KiB
130 lines
2.4 KiB
package mightypork.rogue.fonts;
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import static org.lwjgl.opengl.GL11.*;
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import java.awt.Font;
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import mightypork.utils.math.color.RGB;
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import mightypork.utils.math.coord.Coord;
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import org.newdawn.slick.Color;
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import org.newdawn.slick.TrueTypeFont;
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/**
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* Wrapper for slick font
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*
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* @author MightyPork
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*/
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public class SlickFont implements GLFont {
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private final TrueTypeFont ttf;
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/**
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* A font with ASCII and extra chars
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*
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* @param font font to load
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* @param antiAlias antialiasing
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* @param extraChars extra chars to load
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*/
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public SlickFont(Font font, boolean antiAlias, String extraChars) {
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ttf = new TrueTypeFont(font, antiAlias, stripASCII(extraChars));
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}
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private static char[] stripASCII(String chars)
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{
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if (chars == null) return null;
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final StringBuilder sb = new StringBuilder();
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for (final char c : chars.toCharArray()) {
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if (c <= 255) continue; // already included in default set
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sb.append(c);
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}
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return sb.toString().toCharArray();
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}
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private static void prepareForRender()
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{
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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}
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/**
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* Draw in color
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*
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* @param str string to draw
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* @param color text color
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*/
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@Override
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public void draw(String str, RGB color)
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{
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prepareForRender();
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ttf.drawString(0, 0, str, rgbToSlickColor(color));
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}
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/**
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* Draw substring in color
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*
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* @param str string to draw
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* @param color text color
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* @param startIndex first char to draw
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* @param endIndex last char to draw (INCLUDING!)
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*/
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@Override
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public void draw(String str, RGB color, int startIndex, int endIndex)
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{
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prepareForRender();
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ttf.drawString(0, 0, str, rgbToSlickColor(color), startIndex, endIndex);
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}
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/**
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* Draw in white
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*
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* @param str chars to draw
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*/
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@Override
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public void draw(String str)
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{
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prepareForRender();
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ttf.drawString(0, 0, str);
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}
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private static Color rgbToSlickColor(RGB rgb)
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{
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return new Color((float) rgb.r, (float) rgb.g, (float) rgb.b, (float) rgb.a);
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}
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@Override
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public Coord getNeededSpace(String text)
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{
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return new Coord(getWidth(text), getHeight());
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}
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@Override
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public int getHeight()
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{
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return ttf.getHeight();
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}
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@Override
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public int getWidth(String text)
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{
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return ttf.getWidth(text);
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}
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}
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