WebSVN - AndroidProjects - Blame - Rev 1671 - /BauzoidApps/crawler/core/src/com/gebauz/bauzoid/graphics/Font.java

Rev	Author	Line No.	Line
1671	chris	1	package com.gebauz.bauzoid.graphics;
		2
		3	import java.util.Hashtable;
		4
		5	import com.badlogic.gdx.graphics.Texture.TextureFilter;
		6	import com.gebauz.bauzoid.graphics.sprite.Sprite;
		7	import com.gebauz.bauzoid.graphics.sprite.SpriteInstance;
		8	import com.gebauz.bauzoid.graphics.sprite.TileBatch;
		9	import com.gebauz.bauzoid.math.Vector4;
		10
		11	public class Font extends GraphicsObject
		12	{
		13	public static final Vector4 DEFAULT_COLOR = new Vector4(1, 1, 1, 1);
		14
		15	public static class KerningPair
		16	{
		17	public char first;
		18	public char second;
		19
		20	public KerningPair(char a, char b)
		21	{
		22	first = a;
		23	second = b;
		24	}
		25
		26	@Override
		27	public boolean equals(Object other)
		28	{
		29	// Not strictly necessary, but often a good optimization
		30	if (this == other)
		31	return true;
		32
		33	if (!(other instanceof KerningPair))
		34	return false;
		35
		36	KerningPair p = (KerningPair)other;
		37
		38	return ((first == p.first) && (second == p.second));
		39	}
		40
		41	@Override
		42	public int hashCode()
		43	{
		44	return (first * 256) + second;
		45	}
		46	}
		47
		48	public static class CharacterInfo
		49	{
		50	private char mCharacter;
		51	private SpriteInstance mSpriteInstance = null;
		52
		53	public float offsetX = 0;
		54	public float offsetY = 0;
		55
		56	public float width;
		57
		58	public CharacterInfo(char c)
		59	{
		60	mCharacter = c;
		61	}
		62
		63	public final char getCharacter()
		64	{
		65	return mCharacter;
		66	}
		67
		68	public void setSpriteInstance(SpriteInstance instance)
		69	{
		70	mSpriteInstance = instance;
		71	}
		72
		73	public final SpriteInstance getSpriteInstance()
		74	{
		75	return mSpriteInstance;
		76	}
		77
		78	public void render()
		79	{
		80	if (mSpriteInstance == null)
		81	return;
		82
		83	mSpriteInstance.render();
		84	}
		85	}
		86
		87	private CharacterInfo[] mCharacters = null;
		88	private float mAscent = 0.0f;
		89	private float mGlobalMultiplier = 2.0f;
		90	private Sprite mSprite = null;
		91
		92	private Hashtable<KerningPair, Integer> mKernings = new Hashtable<KerningPair, Integer>();
		93
		94	/** The y difference of a line break in multiples of line height. */
		95	private float mLineBreakFactor = 1.0f;
		96
		97	public Font(Graphics graphics)
		98	{
		99	super(graphics);
		100
		101	}
		102
		103	public void dispose()
		104	{
		105	mCharacters = null;
		106	}
		107
		108	public void setAscent(float ascent)
		109	{
		110	mAscent = ascent;
		111	}
		112
		113	public void setCharacters(CharacterInfo[] characters)
		114	{
		115	mCharacters = characters;
		116	}
		117
		118	public void setSprite(Sprite sprite)
		119	{
		120	mSprite = sprite;
		121	}
		122
		123	public void setGlobalMultiplier(float multiplier)
		124	{
		125	mGlobalMultiplier = multiplier;
		126	}
		127
		128	public void drawText(String text, float x, float y, float scale)
		129	{
		130	drawText(text, x, y, DEFAULT_COLOR, scale);
		131	}
		132
		133	public void drawText(String text, float x, float y)
		134	{
		135	drawText(text, x, y, DEFAULT_COLOR);
		136	}
		137
		138	public void drawText(String text, float x, float y, Vector4 color)
		139	{
		140	drawText(text, x, y, color, 1.0f);
		141	}
		142
		143	public void drawTextDirect(String text, float x, float y, Vector4 color, float scale)
		144	{
		145	float posX = x;
		146	float posY = y;
		147
		148	for (int i = 0; i < text.length(); i++)
		149	{
		150	if (text.charAt(i) == '\n')
		151	{
		152	posY += mAscent * mLineBreakFactor * scale;
		153	posX = x;
		154	continue;
		155	}
		156
		157	int n = getCharacterIndexNoCase(text.charAt(i));
		158	if (n == -1)
		159	{
		160	continue;
		161	}
		162
		163	CharacterInfo c = mCharacters[n];
		164
		165	int kerning = 0;
		166	if (i < (text.length()-1))
		167	{
		168	// apply kerning if any
		169	char first = c.getCharacter();
		170	char second = text.charAt(i+1);
		171
		172	kerning = getKerning(first, second);
		173	}
		174	if (c.mSpriteInstance != null)
		175	{
		176	c.mSpriteInstance.transform.x = posX;
		177	c.mSpriteInstance.transform.y = posY;
		178	c.mSpriteInstance.color = color;
		179	c.mSpriteInstance.transform.w = c.mSpriteInstance.getSpriteRegion().getWidth() * scale * mGlobalMultiplier * c.mSpriteInstance.getSprite().getTextureWidth();
		180	c.mSpriteInstance.transform.h = c.mSpriteInstance.getSpriteRegion().getHeight() * scale * mGlobalMultiplier * c.mSpriteInstance.getSprite().getTextureHeight();
		181	//c.mSpriteInstance.param.w = mSprite.getRegionWidth(c.mSpriteInstance.getRegionIndex()) * scale * mGlobalMultiplier;
		182	//c.mSpriteInstance.param.h = mSprite.getRegionHeight(c.mSpriteInstance.getRegionIndex()) * scale * mGlobalMultiplier;
		183	c.mSpriteInstance.transform.pivotX = 0;
		184	c.mSpriteInstance.transform.pivotY = 0;
		185	c.mSpriteInstance.render();
		186	}
		187
		188	posX += c.width * scale + kerning - c.offsetX;
		189	}
		190	}
		191
		192	public void drawText(String text, float x, float y, Vector4 color, float scale)
		193	{
		194	float posX = x;
		195	float posY = y;
		196
		197	TileBatch batch = getGraphics().getBatch();
		198
		199	batch.begin();
		200
		201	for (int i = 0; i < text.length(); i++)
		202	{
		203	if (text.charAt(i) == '\n')
		204	{
		205	posY += mAscent * mLineBreakFactor * scale;
		206	posX = x;
		207	continue;
		208	}
		209
		210	int n = getCharacterIndexNoCase(text.charAt(i));
		211	if (n == -1)
		212	{
		213	continue;
		214	}
		215
		216	CharacterInfo c = mCharacters[n];
		217
		218	int kerning = 0;
		219	if (i < (text.length()-1))
		220	{
		221	// apply kerning if any
		222	char first = c.getCharacter();
		223	char second = text.charAt(i+1);
		224
		225	kerning = getKerning(first, second);
		226	}
		227	if (c.mSpriteInstance != null)
		228	{
		229	c.mSpriteInstance.transform.x = posX;
		230	c.mSpriteInstance.transform.y = posY;
		231	c.mSpriteInstance.color = color;
		232	/c.mSpriteInstance.transform.w = c.mSpriteInstance.getSpriteRegion().getWidth() scale * mGlobalMultiplier;
		233	c.mSpriteInstance.transform.h = c.mSpriteInstance.getSpriteRegion().getHeight() * scale * mGlobalMultiplier;*/
		234	c.mSpriteInstance.transform.w = c.mSpriteInstance.getSpriteRegion().getWidth() * scale * mGlobalMultiplier * c.mSpriteInstance.getSprite().getTextureWidth();
		235	c.mSpriteInstance.transform.h = c.mSpriteInstance.getSpriteRegion().getHeight() * scale * mGlobalMultiplier * c.mSpriteInstance.getSprite().getTextureHeight();
		236
		237	//c.mSpriteInstance.param.w = mSprite.getRegionWidth(c.mSpriteInstance.getRegionIndex()) * scale * mGlobalMultiplier;
		238	//c.mSpriteInstance.param.h = mSprite.getRegionHeight(c.mSpriteInstance.getRegionIndex()) * scale * mGlobalMultiplier;
		239	c.mSpriteInstance.transform.pivotX = 0;
		240	c.mSpriteInstance.transform.pivotY = 0;
		241
		242	batch.drawSprite(c.mSpriteInstance);
		243	}
		244
		245	posX += c.width * scale + kerning - c.offsetX;
		246	}
		247
		248	batch.end();
		249	}
		250
		251	public float getTextWidth(String text, float scale)
		252	{
		253	float maxWidth = 0;
		254	float width = 0;
		255	float posX = 0;
		256
		257	for (int i = 0; i < text.length(); i++)
		258	{
		259	if (text.charAt(i) == '\n')
		260	{
		261	posX = 0;
		262	continue;
		263	}
		264
		265	int n = getCharacterIndexNoCase(text.charAt(i));
		266	if (n == -1)
		267	{
		268	continue;
		269	}
		270
		271	CharacterInfo c = mCharacters[n];
		272	int kerning = 0;
		273	if (i < (text.length()-1))
		274	{
		275	// apply kerning if any
		276	char first = c.getCharacter();
		277	char second = text.charAt(i+1);
		278
		279	kerning = getKerning(first, second);
		280	}
		281
		282	width = posX + c.width * scale;
		283
		284	if (maxWidth < width)
		285	{
		286	maxWidth = width;
		287	}
		288
		289	posX += c.width * scale + kerning - c.offsetX;
		290	}
		291
		292	return maxWidth;
		293	}
		294
		295	public float getTextHeight(String text, float scale)
		296	{
		297	float maxHeight = 0;
		298	float posY = 0;
		299
		300
		301
		302	for (int i = 0; i < text.length(); i++)
		303	{
		304	if (text.charAt(i) == '\n')
		305	{
		306	posY += mAscent * mLineBreakFactor * scale;
		307	continue;
		308	}
		309
		310	int n = getCharacterIndexNoCase(text.charAt(i));
		311	if (n == -1)
		312	{
		313	continue;
		314	}
		315
		316	float charHeight = this.mAscent * scale;
		317
		318	if ((posY + charHeight) > maxHeight)
		319	{
		320	maxHeight = posY + charHeight;
		321	}
		322	}
		323
		324	return maxHeight;
		325	}
		326
		327	public int getCharacterIndex(char c)
		328	{
		329	for (int i = 0; i < mCharacters.length; i++)
		330	{
		331	if (mCharacters[i].getCharacter() == c)
		332	return i;
		333	}
		334
		335	return -1;
		336	}
		337
		338	public int getCharacterIndexNoCase(char c)
		339	{
		340	int n = getCharacterIndex(c);
		341	if (n == -1)
		342	{
		343	n = getCharacterIndex(Character.toLowerCase(c));
		344	if (n == -1)
		345	{
		346	n = getCharacterIndex(Character.toUpperCase(c));
		347	}
		348	}
		349	return n;
		350	}
		351
		352	public CharacterInfo getCharacter(char c)
		353	{
		354	int i = getCharacterIndex(c);
		355
		356	if (i != -1)
		357	return mCharacters[i];
		358
		359	return null;
		360	}
		361
		362	public void setKerning(char first, char second, int value)
		363	{
		364	mKernings.put(new KerningPair(first, second), value);
		365	}
		366
		367	public int getKerning(char first, char second)
		368	{
		369	Integer value = mKernings.get(new KerningPair(first, second));
		370
		371	if (value == null)
		372	return 0;
		373
		374	return value;
		375	}
		376
		377	public void setFiltering(boolean filter)
		378	{
		379	/*
		380	// HACK: should use own texture class
		381	if (filter)
		382	getGraphics().renderStates.getTextureStage(0).setTextureFilter(mSprite.getTexture(), TextureFilter.Linear, TextureFilter.Linear);
		383	else
		384	getGraphics().renderStates.getTextureStage(0).setTextureFilter(mSprite.getTexture(), TextureFilter.Nearest, TextureFilter.Nearest);*/
		385
		386	if (filter)
		387	mSprite.getTexture().setFilter(TextureFilter.Linear, TextureFilter.Linear);
		388	else
		389	mSprite.getTexture().setFilter(TextureFilter.Nearest, TextureFilter.Nearest);
		390	}
		391
		392	public final void setLineBreak(float multiple) { mLineBreakFactor = multiple; }
		393	public final float getLineBreak() { return mLineBreakFactor; }
		394
		395
		396	}
		397
		398

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(root)/BauzoidApps/crawler/core/src/com/gebauz/bauzoid/graphics/Font.java - Rev 1671