/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.tests.extensions;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.BitmapFont.Glyph;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator;
import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator.FreeTypeBitmapFontData;
import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator.FreeTypeFontParameter;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.tests.utils.GdxTest;
import com.badlogic.gdx.utils.Align;
import com.badlogic.gdx.utils.Array;
public class FreeTypeIncrementalTest extends GdxTest {
SpriteBatch batch;
ShapeRenderer shapes;
BitmapFont font;
FreeTypeFontGenerator generator;
public void create () {
batch = new SpriteBatch();
shapes = new ShapeRenderer();
shapes.setColor(Color.RED);
FreeTypeFontGenerator.setMaxTextureSize(128);
generator = new FreeTypeFontGenerator(Gdx.files.internal("data/arial.ttf"));
FreeTypeFontParameter param = new FreeTypeFontParameter();
param.incremental = true;
param.size = 24;
param.characters = "howdY\u0000";
FreeTypeBitmapFontData data = new FreeTypeBitmapFontData() {
public int getWrapIndex (Array<Glyph> glyphs, int start) {
return SimplifiedChinese.getWrapIndex(glyphs, start);
}
};
// By default latin chars are used for x and cap height, causing some fonts to display non-latin chars out of bounds.
data.xChars = new char[] {'动'};
data.capChars = new char[] {'动'};
font = generator.generateFont(param, data);
}
public void render () {
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
// Draw rects.
shapes.begin(ShapeType.Line);
float x = 0, y = Gdx.graphics.getHeight() - font.getRegion().getRegionHeight() - 1;
for (int i = 0, n = font.getRegions().size; i < n; i++) {
TextureRegion region = font.getRegions().get(i);
shapes.rect(x, y, region.getRegionWidth(), region.getRegionHeight());
x += region.getRegionWidth() + 2;
}
shapes.rect(10, 250, Gdx.graphics.getWidth() - 20, -240);
shapes.end();
batch.begin();
x = 0;
for (int i = 0, n = font.getRegions().size; i < n; i++) {
TextureRegion region = font.getRegions().get(i);
batch.draw(region, x, y);
x += region.getRegionWidth() + 2;
}
font.draw(batch, "LYA", 10, 300); // Shows kerning.
font.draw(batch, "hello world", 100, 300);
font.draw(batch,
"动画能给游戏带来生机和灵气。我们相信创作一段美妙的动画，不仅需要强大的软件工具，更需要一套牛 B 的工作流程。" //
+ "Spine专注于此，为您创建惊艳的骨骼动画，并将其整合到游戏当中，提供了一套高效的工作流程。",
10, 250, //
Gdx.graphics.getWidth() - 20, Align.left, true);
batch.end();
}
public void resize (int width, int height) {
batch.getProjectionMatrix().setToOrtho2D(0, 0, width, height);
shapes.setProjectionMatrix(batch.getProjectionMatrix());
}
static public class SimplifiedChinese {
public static int getWrapIndex (Array<Glyph> glyphs, int start) {
int i = start - 1;
for (; i >= 1; i--) {
int startChar = glyphs.get(i).id;
if (!SimplifiedChinese.legalAtStart(startChar)) continue;
int endChar = glyphs.get(i - 1).id;
if (!SimplifiedChinese.legalAtEnd(endChar)) continue;
// Don't wrap between ASCII chars.
if (startChar < 127 && endChar < 127 && !Character.isWhitespace(startChar)) continue;
return i;
}
return start;
}
static private boolean legalAtStart (int ch) {
switch (ch) {
case '!':
case '%':
case ')':
case ',':
case '.':
case ':':
case ';':
case '>':
case '?':
case ']':
case '}':
case '¢':
case '¨':
case '°':
case '·':
case 'ˇ':
case 'ˉ':
case '―':
case '‖':
case '’':
case '”':
case '„':
case '‟':
case '†':
case '‡':
case '›':
case '℃':
case '∶':
case '、':
case '。':
case '〃':
case '〆':
case '〈':
case '《':
case '「':
case '『':
case '〕':
case '〗':
case '〞':
case '﹘':
case '﹚':
case '﹜':
case '！':
case '＂':
case '％':
case '＇':
case '）':
case '，':
case '．':
case '：':
case '；':
case '？':
case '］':
case '｀':
case '｜':
case '｝':
case '～':
return false;
}
return true;
}
static private boolean legalAtEnd (int ch) {
switch (ch) {
case '$':
case '(':
case '*':
case ',':
case '£':
case '¥':
case '·':
case '‘':
case '“':
case '〈':
case '《':
case '「':
case '『':
case '【':
case '〔':
case '〖':
case '〝':
case '﹗':
case '﹙':
case '﹛':
case '＄':
case '（':
case '．':
case '［':
case '｛':
case '￡':
case '￥':
return false;
}
return true;
}
}
}