bool Label::setTTFConfig(const TTFConfig& ttfConfig)
{
FontAtlas *newAtlas = FontAtlasCache::getFontAtlasTTF(ttfConfig);
if (!newAtlas)
{
reset();
return false;
}
_systemFontDirty = false;
_currentLabelType = LabelType::TTF;
setFontAtlas(newAtlas,ttfConfig.distanceFieldEnabled,true);
_fontConfig = ttfConfig;
if (_fontConfig.outlineSize > 0)
{
_fontConfig.distanceFieldEnabled = false;
_useDistanceField = false;
_useA8Shader = false;
_currLabelEffect = LabelEffect::OUTLINE;
updateShaderProgram();
}
else
{
_currLabelEffect = LabelEffect::NORMAL;
updateShaderProgram();
if(ttfConfig.distanceFieldEnabled)
{
this->setFontScale(1.0f * ttfConfig.fontSize / DistanceFieldFontSize);
}
}
return true;
}
void Label::enableOutline(const Color4B& outlineColor,int outlineSize /* = -1 */)
{
CCASSERT(_currentLabelType == LabelType::STRING_TEXTURE || _currentLabelType == LabelType::TTF, "Only supported system font and TTF!");
_effectColor = outlineColor;
_effectColorF.r = _effectColor.r / 255.0f;
_effectColorF.g = _effectColor.g / 255.0f;
_effectColorF.b = _effectColor.b / 255.0f;
_effectColorF.a = _effectColor.a / 255.0f;
if (outlineSize > 0)
{
_outlineSize = outlineSize;
if (_currentLabelType == LabelType::TTF)
{
if (_fontConfig.outlineSize != outlineSize)
{
auto config = _fontConfig;
config.outlineSize = outlineSize;
setTTFConfig(config);
updateShaderProgram();
}
}
_currLabelEffect = LabelEffect::OUTLINE;
_contentDirty = true;
}
}
void Label::enableOutline(const Color4B& outlineColor,int outlineSize /* = -1 */)
{
_effectColor = outlineColor;
_effectColorF.r = _effectColor.r / 255.0f;
_effectColorF.g = _effectColor.g / 255.0f;
_effectColorF.b = _effectColor.b / 255.0f;
_effectColorF.a = _effectColor.a / 255.0f;
if (outlineSize > 0)
{
if (_currentLabelType == LabelType::TTF)
{
if (_fontConfig.outlineSize != outlineSize)
{
auto config = _fontConfig;
config.outlineSize = outlineSize;
setTTFConfig(config);
updateShaderProgram();
}
}
_fontDefinition._stroke._strokeEnabled = true;
_fontDefinition._stroke._strokeSize = outlineSize;
_fontDefinition._stroke._strokeColor = Color3B(outlineColor.r,outlineColor.g,outlineColor.b);
_currLabelEffect = LabelEffect::OUTLINE;
_contentDirty = true;
}
}
void ShaderEffectItem::renderEffect(QPainter *painter, const QMatrix4x4 &matrix)
{
if (!painter || !painter->device())
return;
if (!m_program.isLinked() || m_program_dirty)
updateShaderProgram();
m_program.bind();
QMatrix4x4 combinedMatrix;
combinedMatrix.scale(2.0 / painter->device()->width(), -2.0 / painter->device()->height(), 1.0);
combinedMatrix.translate(-painter->device()->width() / 2.0, -painter->device()->height() / 2.0 );
combinedMatrix *= matrix;
updateEffectState(combinedMatrix);
for (int i = 0; i < m_attributeNames.size(); ++i) {
m_program.enableAttributeArray(m_geometry.attributes()[i].position);
}
bindGeometry();
// Optimization, disable depth test when we know we don't need it.
if (m_defaultVertexShader) {
glDepthMask(false);
glDisable(GL_DEPTH_TEST);
} else {
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_GREATER);
glDepthMask(true);
#if defined(QT_OPENGL_ES)
glClearDepthf(0);
#else
glClearDepth(0);
#endif
glClearColor(0, 0, 0, 0);
glClear(GL_DEPTH_BUFFER_BIT);
}
if (m_blending){
glEnable(GL_BLEND);
glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
} else {
glDisable(GL_BLEND);
}
if (m_geometry.indexCount())
glDrawElements(m_geometry.drawingMode(), m_geometry.indexCount(), m_geometry.indexType(), m_geometry.indexData());
else
glDrawArrays(m_geometry.drawingMode(), 0, m_geometry.vertexCount());
glDepthMask(false);
glDisable(GL_DEPTH_TEST);
for (int i = 0; i < m_attributeNames.size(); ++i)
m_program.disableAttributeArray(m_geometry.attributes()[i].position);
}
void Label::setFontAtlas(FontAtlas* atlas,bool distanceFieldEnabled /* = false */, bool useA8Shader /* = false */)
{
if (atlas == _fontAtlas)
{
FontAtlasCache::releaseFontAtlas(atlas);
return;
}
if (_fontAtlas)
{
FontAtlasCache::releaseFontAtlas(_fontAtlas);
_fontAtlas = nullptr;
}
_fontAtlas = atlas;
if (_textureAtlas)
{
_textureAtlas->setTexture(_fontAtlas->getTexture(0));
}
else
{
SpriteBatchNode::initWithTexture(_fontAtlas->getTexture(0), 30);
}
if (_reusedLetter == nullptr)
{
_reusedLetter = Sprite::create();
_reusedLetter->setOpacityModifyRGB(_isOpacityModifyRGB);
_reusedLetter->retain();
_reusedLetter->setAnchorPoint(Vec2::ANCHOR_TOP_LEFT);
}
_reusedLetter->setBatchNode(this);
if (_fontAtlas)
{
_commonLineHeight = _fontAtlas->getCommonLineHeight();
_contentDirty = true;
}
#if CC_TARGET_PLATFORM != CC_PLATFORM_WP8
_useDistanceField = distanceFieldEnabled;
#else
// some older Windows Phones cannot run the ccShader_Label_df.frag program
// so we must disable distance field
_useDistanceField = false;
#endif
_useA8Shader = useA8Shader;
if (_currentLabelType != LabelType::TTF)
{
_currLabelEffect = LabelEffect::NORMAL;
updateShaderProgram();
}
}
void Label::enableGlow(const Color4B& glowColor)
{
if(! _useDistanceField)
return;
_currLabelEffect = LabelEffect::GLOW;
_effectColor = glowColor;
_effectColorF.r = _effectColor.r / 255.0f;
_effectColorF.g = _effectColor.g / 255.0f;
_effectColorF.b = _effectColor.b / 255.0f;
_effectColorF.a = _effectColor.a / 255.0f;
updateShaderProgram();
}
void Label::setFontAtlas(FontAtlas* atlas,bool distanceFieldEnabled /* = false */, bool useA8Shader /* = false */)
{
if (atlas == _fontAtlas)
{
FontAtlasCache::releaseFontAtlas(atlas);
return;
}
if (_fontAtlas)
{
FontAtlasCache::releaseFontAtlas(_fontAtlas);
_fontAtlas = nullptr;
}
_fontAtlas = atlas;
if (_textureAtlas)
{
_textureAtlas->setTexture(_fontAtlas->getTexture(0));
}
else
{
SpriteBatchNode::initWithTexture(_fontAtlas->getTexture(0), 30);
}
if (_reusedLetter == nullptr)
{
_reusedLetter = Sprite::createWithTexture(_fontAtlas->getTexture(0));
_reusedLetter->setOpacityModifyRGB(_isOpacityModifyRGB);
_reusedLetter->retain();
_reusedLetter->setAnchorPoint(Point::ANCHOR_TOP_LEFT);
_reusedLetter->setBatchNode(this);
}
else
{
_reusedLetter->setTexture(_fontAtlas->getTexture(0));
}
if (_fontAtlas)
{
_commonLineHeight = _fontAtlas->getCommonLineHeight();
_contentDirty = true;
}
_useDistanceField = distanceFieldEnabled;
_useA8Shader = useA8Shader;
if (_currentLabelType != LabelType::TTF)
{
_currLabelEffect = LabelEffect::NORMAL;
updateShaderProgram();
}
}
void Label::disableEffect(LabelEffect effect)
{
switch (effect)
{
case cocos2d::LabelEffect::NORMAL:
break;
case cocos2d::LabelEffect::OUTLINE:
if (_currLabelEffect == LabelEffect::OUTLINE)
{
if (_currentLabelType == LabelType::TTF)
{
_fontConfig.outlineSize = 0;
setTTFConfig(_fontConfig);
}
_currLabelEffect = LabelEffect::NORMAL;
_contentDirty = true;
}
break;
case cocos2d::LabelEffect::SHADOW:
if (_shadowEnabled)
{
_shadowEnabled = false;
if (_shadowNode)
{
Node::removeChild(_shadowNode, true);
_shadowNode = nullptr;
}
}
break;
case cocos2d::LabelEffect::GLOW:
if (_currLabelEffect == LabelEffect::GLOW)
{
_currLabelEffect = LabelEffect::NORMAL;
updateShaderProgram();
}
break;
case LabelEffect::ALL:
{
disableEffect(LabelEffect::SHADOW);
disableEffect(LabelEffect::GLOW);
disableEffect(LabelEffect::OUTLINE);
}
break;
default:
break;
}
}
void Label::disableEffect()
{
if (_currLabelEffect == LabelEffect::OUTLINE)
{
_fontConfig.outlineSize = 0;
setTTFConfig(_fontConfig);
}
_currLabelEffect = LabelEffect::NORMAL;
updateShaderProgram();
_contentDirty = true;
_shadowEnabled = false;
if (_shadowNode)
{
Node::removeChild(_shadowNode,true);
_shadowNode = nullptr;
}
}
void Label::enableGlow(const Color4B& glowColor)
{
if (_currentLabelType == LabelType::TTF)
{
if (_fontConfig.distanceFieldEnabled == false)
{
auto config = _fontConfig;
config.outlineSize = 0;
config.distanceFieldEnabled = true;
setTTFConfig(config);
_contentDirty = true;
}
_currLabelEffect = LabelEffect::GLOW;
_effectColorF.r = glowColor.r / 255.0f;
_effectColorF.g = glowColor.g / 255.0f;
_effectColorF.b = glowColor.b / 255.0f;
_effectColorF.a = glowColor.a / 255.0f;
updateShaderProgram();
}
}
void Label::setFontAtlas(FontAtlas* atlas,bool distanceFieldEnabled /* = false */, bool useA8Shader /* = false */)
{
if (atlas == _fontAtlas)
{
FontAtlasCache::releaseFontAtlas(atlas);
return;
}
if (_fontAtlas)
{
_batchNodes.clear();
FontAtlasCache::releaseFontAtlas(_fontAtlas);
_fontAtlas = nullptr;
}
_fontAtlas = atlas;
if (_reusedLetter == nullptr)
{
_reusedLetter = Sprite::create();
_reusedLetter->setOpacityModifyRGB(_isOpacityModifyRGB);
_reusedLetter->retain();
_reusedLetter->setAnchorPoint(Vec2::ANCHOR_TOP_LEFT);
}
if (_fontAtlas)
{
_lineHeight = _fontAtlas->getLineHeight();
_contentDirty = true;
}
_useDistanceField = distanceFieldEnabled;
_useA8Shader = useA8Shader;
if (_currentLabelType != LabelType::TTF)
{
_currLabelEffect = LabelEffect::NORMAL;
updateShaderProgram();
}
}
void ShaderEffectItem::renderEffect(QPainter *painter, const QMatrix4x4 &matrix)
{
if (!painter || !painter->device())
return;
if (!m_program || !m_program->programId()) {
// Deleted due to deactivation, to save GPU memory,
// or invalidated due to GL context change.
delete m_program;
if (QGLContext::currentContext())
m_program = new QGLShaderProgram(this);
if (!m_program)
qWarning() << "ShaderEffectItem::renderEffect - Creating QGLShaderProgram failed!";
}
if (!m_program)
return;
if (!m_program->isLinked() || m_program_dirty)
updateShaderProgram();
m_program->bind();
QMatrix4x4 combinedMatrix;
combinedMatrix.scale(2.0 / painter->device()->width(), -2.0 / painter->device()->height(), 1.0);
combinedMatrix.translate(-painter->device()->width() / 2.0, -painter->device()->height() / 2.0 );
combinedMatrix *= matrix;
updateEffectState(combinedMatrix);
for (int i = 0; i < m_attributeNames.size(); ++i) {
m_program->enableAttributeArray(m_geometry.attributes()[i].position);
}
bindGeometry();
// Optimization, disable depth test when we know we don't need it.
if (m_defaultVertexShader) {
glDepthMask(false);
glDisable(GL_DEPTH_TEST);
} else {
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_GREATER);
glDepthMask(true);
#if defined(QT_OPENGL_ES)
glClearDepthf(0);
#else
glClearDepth(0);
#endif
glClearColor(0, 0, 0, 0);
glClear(GL_DEPTH_BUFFER_BIT);
}
if (m_blending) {
glEnable(GL_BLEND);
glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
} else {
glDisable(GL_BLEND);
}
if (m_geometry.indexCount())
glDrawElements(m_geometry.drawingMode(), m_geometry.indexCount(), m_geometry.indexType(), m_geometry.indexData());
else
glDrawArrays(m_geometry.drawingMode(), 0, m_geometry.vertexCount());
glDepthMask(false);
glDisable(GL_DEPTH_TEST);
for (int i = 0; i < m_attributeNames.size(); ++i)
m_program->disableAttributeArray(m_geometry.attributes()[i].position);
}
