void Label::updateContent()
{
auto utf16String = cc_utf8_to_utf16(_originalUTF8String.c_str());
setCurrentString(utf16String);
setOriginalString(utf16String);
if (_textSprite)
{
Node::removeChild(_textSprite,true);
_textSprite = nullptr;
if (_shadowNode)
{
Node::removeChild(_shadowNode,true);
_shadowNode = nullptr;
}
}
if (_fontAtlas)
{
alignText();
}
else
{
_fontDefinition._fontFillColor.r = _textColor.r;
_fontDefinition._fontFillColor.g = _textColor.g;
_fontDefinition._fontFillColor.b = _textColor.b;
createSpriteWithFontDefinition();
}
_contentDirty = false;
}
//---------------------------------------------------------------------
//! @brief Move the top-left corner of the Label to the point
//! designated by (_x, _y).
//! @param[in] _x X coordinate.
//! @param[in] _y Y coordinate.
//---------------------------------------------------------------------
void Label::move( float const& _x
, float const& _y )
{
x__ = _x;
y__ = _y;
alignText();
}
void Label::listenToFontAtlasPurge(EventCustom *event)
{
if (_fontAtlas && _currentLabelType == LabelType::TTF && event->getUserData() == _fontAtlas)
{
alignText();
}
}
void Label::setLineBreakWithoutSpace(bool breakWithoutSpace)
{
if (breakWithoutSpace != _lineBreakWithoutSpaces)
{
// store
_lineBreakWithoutSpaces = breakWithoutSpace;
// need to align text again
alignText();
}
}
void Label::updateContent()
{
if (_systemFontDirty)
{
if (_fontAtlas)
{
_batchNodes.clear();
FontAtlasCache::releaseFontAtlas(_fontAtlas);
_fontAtlas = nullptr;
}
_systemFontDirty = false;
}
CC_SAFE_RELEASE_NULL(_textSprite);
CC_SAFE_RELEASE_NULL(_shadowNode);
if (_fontAtlas)
{
std::u16string utf16String;
if (StringUtils::UTF8ToUTF16(_utf8Text, utf16String))
{
_utf16Text = utf16String;
}
computeHorizontalKernings(_utf16Text);
alignText();
}
else
{
auto fontDef = _getFontDefinition();
createSpriteForSystemFont(fontDef);
if (_shadowEnabled)
{
createShadowSpriteForSystemFont(fontDef);
}
}
_contentDirty = false;
#if CC_LABEL_DEBUG_DRAW
_debugDrawNode->clear();
Vec2 vertices[4] =
{
Vec2::ZERO,
Vec2(_contentSize.width, 0),
Vec2(_contentSize.width, _contentSize.height),
Vec2(0, _contentSize.height)
};
_debugDrawNode->drawPoly(vertices, 4, true, Color4F::WHITE);
#endif
}
void Label::updateContent()
{
if (_systemFontDirty)
{
if (_fontAtlas)
{
_batchNodes.clear();
_batchNodes.push_back(this);
FontAtlasCache::releaseFontAtlas(_fontAtlas);
_fontAtlas = nullptr;
}
_systemFontDirty = false;
}
if (_textSprite)
{
Node::removeChild(_textSprite, true);
_textSprite = nullptr;
if (_shadowNode)
{
Node::removeChild(_shadowNode, true);
_shadowNode = nullptr;
}
}
if (_fontAtlas)
{
std::u16string utf16String;
if (StringUtils::UTF8ToUTF16(_originalUTF8String, utf16String))
{
_currentUTF16String = utf16String;
}
computeStringNumLines();
computeHorizontalKernings(_currentUTF16String);
alignText();
}
else
{
createSpriteForSystemFont();
if (_shadowEnabled)
{
createShadowSpriteForSystemFont();
}
}
_contentDirty = false;
}
void Label::setString(const std::string& text)
{
if (!_fontAtlas || _commonLineHeight <= 0)
return ;
unsigned short* utf16String = cc_utf8_to_utf16(text.c_str());
if(!utf16String)
return ;
_originalUTF8String = text;
setCurrentString(utf16String);
setOriginalString(utf16String);
// align text
alignText();
}
void Label::setAlignment(TextHAlignment alignment)
{
// store the new alignment
if (alignment != _alignment)
{
// store
_alignment = alignment;
// reset the string
resetCurrentString();
// need to align text again
alignText();
}
}
void Label::setWidth(float width)
{
if (width != _width)
{
// store
_width = width;
// reset the string
resetCurrentString();
// need to align text again
alignText();
}
}
void Label::setLineBreakWithoutSpace(bool breakWithoutSpace)
{
if (breakWithoutSpace != _lineBreakWithoutSpaces)
{
// store
_lineBreakWithoutSpaces = breakWithoutSpace;
// need to align text again
if(_currentUTF16String)
{
resetCurrentString();
alignText();
}
}
}
Label::Label(FontAtlas *atlas /* = nullptr */, TextHAlignment hAlignment /* = TextHAlignment::LEFT */,
TextVAlignment vAlignment /* = TextVAlignment::TOP */,bool useDistanceField /* = false */,bool useA8Shader /* = false */)
: _reusedLetter(nullptr)
, _commonLineHeight(0.0f)
, _lineBreakWithoutSpaces(false)
, _maxLineWidth(0)
, _labelWidth(0)
, _labelHeight(0)
, _labelDimensions(Size::ZERO)
, _hAlignment(hAlignment)
, _vAlignment(vAlignment)
, _horizontalKernings(nullptr)
, _fontAtlas(atlas)
, _isOpacityModifyRGB(false)
, _useDistanceField(useDistanceField)
, _useA8Shader(useA8Shader)
, _fontScale(1.0f)
, _uniformEffectColor(0)
, _currNumLines(-1)
, _textSprite(nullptr)
, _contentDirty(false)
, _shadowDirty(false)
, _compatibleMode(false)
, _insideBounds(true)
, _effectColorF(Color4F::BLACK)
{
setAnchorPoint(Vec2::ANCHOR_MIDDLE);
reset();
#if CC_ENABLE_CACHE_TEXTURE_DATA
auto toBackgroundListener = EventListenerCustom::create(EVENT_COME_TO_BACKGROUND, [this](EventCustom* event){
if (_fontAtlas && _currentLabelType == LabelType::TTF)
{
_batchNodes.clear();
_batchNodes.push_back(this);
Node::removeAllChildrenWithCleanup(true);
}
});
_eventDispatcher->addEventListenerWithSceneGraphPriority(toBackgroundListener, this);
#endif
auto purgeTextureListener = EventListenerCustom::create(FontAtlas::EVENT_PURGE_TEXTURES, [this](EventCustom* event){
if (_fontAtlas && _currentLabelType == LabelType::TTF && event->getUserData() == _fontAtlas)
{
alignText();
}
});
_eventDispatcher->addEventListenerWithSceneGraphPriority(purgeTextureListener, this);
}
void SkPDFDevice::drawPosText(const SkDraw&, const void* text, size_t len,
const SkScalar pos[], SkScalar constY,
int scalarsPerPos, const SkPaint& paint) {
SkASSERT(1 == scalarsPerPos || 2 == scalarsPerPos);
SkPaint textPaint = calculateTextPaint(paint);
updateGSFromPaint(textPaint, true);
// Make sure we have a glyph id encoding.
SkAutoFree glyphStorage;
uint16_t* glyphIDs;
size_t numGlyphs;
if (paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) {
numGlyphs = paint.textToGlyphs(text, len, NULL);
glyphIDs = (uint16_t*)sk_malloc_flags(numGlyphs * 2,
SK_MALLOC_TEMP | SK_MALLOC_THROW);
glyphStorage.set(glyphIDs);
paint.textToGlyphs(text, len, glyphIDs);
textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
} else {
SkASSERT((len & 1) == 0);
numGlyphs = len / 2;
glyphIDs = (uint16_t*)text;
}
SkDrawCacheProc glyphCacheProc = textPaint.getDrawCacheProc();
fContent.writeText("BT\n");
updateFont(textPaint, glyphIDs[0]);
for (size_t i = 0; i < numGlyphs; i++) {
SkPDFFont* font = fGraphicStack[fGraphicStackIndex].fFont;
uint16_t encodedValue = glyphIDs[i];
if (font->glyphsToPDFFontEncoding(&encodedValue, 1) != 1) {
updateFont(textPaint, glyphIDs[i]);
i--;
continue;
}
SkScalar x = pos[i * scalarsPerPos];
SkScalar y = scalarsPerPos == 1 ? constY : pos[i * scalarsPerPos + 1];
alignText(glyphCacheProc, textPaint, glyphIDs + i, 1, &x, &y, NULL);
setTextTransform(x, y, textPaint.getTextSkewX());
SkString encodedString =
SkPDFString::formatString(&encodedValue, 1,
font->multiByteGlyphs());
fContent.writeText(encodedString.c_str());
fContent.writeText(" Tj\n");
}
fContent.writeText("ET\n");
}
void Button::updatePosition()
{
if(_buttonType == TSB || _buttonType == TSTB || _buttonType == MSTB)
{
// update all sprite position
for(std::vector<sf::Sprite>::iterator it = _sprites.begin() ; it != _sprites.end() ; ++it)
{
(*it).setPosition(_clickBound.left, _clickBound.top);
}
}
if(_buttonType == TSTB || _buttonType == MSTB)
{
sf::FloatRect p = _texts[0].getGlobalBounds();
alignText(_texts[0], _clickBound, _textPositionData);
p = _texts[0].getGlobalBounds();
}
}
void Label::setMaxLineWidth(float width)
{
if (width != _maxLineWidth)
{
// store
_maxLineWidth = width;
if (_currentUTF16String)
{
// reset the string
resetCurrentString();
// need to align text again
alignText();
}
}
}
//---------------------------------------------------------------------
//! @brief Set the text to display in the Label.
//! @param[in] _text The text to display.
//---------------------------------------------------------------------
void Label::setText( std::string const& _text )
{
text__ = _text;
evas_object_text_text_set( label__
, text__.c_str() );
int end_char_pos = evas_object_text_last_up_to_pos( label__
, width__
, height__ / 2 );
if( end_char_pos > 0 )
{
String short_text = _text.substr( 0
, end_char_pos - 2 ) + "...";
evas_object_text_text_set( label__
, short_text.c_str() );
}
alignText();
}
bool Label::setText(const char *stringToRender, float lineWidth, TextHAlignment alignment, bool lineBreakWithoutSpaces)
{
if (!_fontAtlas)
return false;
// carloX
// reset the string
resetCurrentString();
_width = lineWidth;
_alignment = alignment;
_lineBreakWithoutSpaces = lineBreakWithoutSpaces;
// release all the sprites
moveAllSpritesToCache();
// store locally common line height
_commonLineHeight = _fontAtlas->getCommonLineHeight();
if (_commonLineHeight <= 0)
return false;
int numLetter = 0;
unsigned short* utf16String = cc_utf8_to_utf16(stringToRender);
if(!utf16String)
return false;
numLetter = cc_wcslen(utf16String);
SpriteBatchNode::initWithTexture(&_fontAtlas->getTexture(0), numLetter);
_cascadeColorEnabled = true;
//
setCurrentString(utf16String);
setOriginalString(utf16String);
// align text
alignText();
// done here
return true;
}
bool Label::initWithFontAtlas(FontAtlas* atlas,bool distanceFieldEnabled /* = false */, bool useA8Shader /* = false */)
{
FontAtlas *oldAtlas = _fontAtlas;
bool oldDistanceFieldEnable = _useDistanceField;
bool oldA8ShaderEnabel = _useA8Shader;
_fontAtlas = atlas;
_useDistanceField = distanceFieldEnabled;
_useA8Shader = useA8Shader;
bool ret = Label::init();
if (oldAtlas)
{
if (ret)
{
FontAtlasCache::releaseFontAtlas(oldAtlas);
}
else
{
_fontAtlas = oldAtlas;
_useDistanceField = oldDistanceFieldEnable;
_useA8Shader = oldA8ShaderEnabel;
Label::init();
FontAtlasCache::releaseFontAtlas(atlas);
}
}
if (_fontAtlas)
{
_commonLineHeight = _fontAtlas->getCommonLineHeight();
if(_currentUTF16String)
{
resetCurrentString();
alignText();
}
}
return ret;
}
void SkPDFDevice::drawText(const SkDraw& d, const void* text, size_t len,
SkScalar x, SkScalar y, const SkPaint& paint) {
SkPaint textPaint = calculateTextPaint(paint);
updateGSFromPaint(textPaint, true);
// We want the text in glyph id encoding and a writable buffer, so we end
// up making a copy either way.
size_t numGlyphs = paint.textToGlyphs(text, len, NULL);
uint16_t* glyphIDs =
(uint16_t*)sk_malloc_flags(numGlyphs * 2,
SK_MALLOC_TEMP | SK_MALLOC_THROW);
SkAutoFree autoFreeGlyphIDs(glyphIDs);
if (paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) {
paint.textToGlyphs(text, len, glyphIDs);
textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
} else {
SkASSERT((len & 1) == 0);
SkASSERT(len / 2 == numGlyphs);
memcpy(glyphIDs, text, len);
}
SkScalar width;
SkScalar* widthPtr = NULL;
if (textPaint.isUnderlineText() || textPaint.isStrikeThruText())
widthPtr = &width;
SkDrawCacheProc glyphCacheProc = textPaint.getDrawCacheProc();
alignText(glyphCacheProc, textPaint, glyphIDs, numGlyphs, &x, &y, widthPtr);
fContent.writeText("BT\n");
setTextTransform(x, y, textPaint.getTextSkewX());
size_t consumedGlyphCount = 0;
while (numGlyphs > consumedGlyphCount) {
updateFont(textPaint, glyphIDs[consumedGlyphCount]);
SkPDFFont* font = fGraphicStack[fGraphicStackIndex].fFont;
size_t availableGlyphs =
font->glyphsToPDFFontEncoding(glyphIDs + consumedGlyphCount,
numGlyphs - consumedGlyphCount);
SkString encodedString =
SkPDFString::formatString(glyphIDs + consumedGlyphCount,
availableGlyphs, font->multiByteGlyphs());
fContent.writeText(encodedString.c_str());
consumedGlyphCount += availableGlyphs;
fContent.writeText(" Tj\n");
}
fContent.writeText("ET\n");
// Draw underline and/or strikethrough if the paint has them.
// drawPosText() and drawTextOnPath() don't draw underline or strikethrough
// because the raster versions don't. Use paint instead of textPaint
// because we may have changed strokeWidth to do fakeBold text.
if (paint.isUnderlineText() || paint.isStrikeThruText()) {
SkScalar textSize = paint.getTextSize();
SkScalar height = SkScalarMul(textSize, kStdUnderline_Thickness);
if (paint.isUnderlineText()) {
SkScalar top = SkScalarMulAdd(textSize, kStdUnderline_Offset, y);
SkRect r = SkRect::MakeXYWH(x, top - height, width, height);
drawRect(d, r, paint);
}
if (paint.isStrikeThruText()) {
SkScalar top = SkScalarMulAdd(textSize, kStdStrikeThru_Offset, y);
SkRect r = SkRect::MakeXYWH(x, top - height, width, height);
drawRect(d, r, paint);
}
}
}
void Label::updateContent()
{
std::u16string utf16String;
if (StringUtils::UTF8ToUTF16(_originalUTF8String, utf16String))
{
_currentUTF16String = utf16String;
}
computeStringNumLines();
if (_fontAtlas)
{
computeHorizontalKernings(_currentUTF16String);
}
if (_textSprite)
{
Node::removeChild(_textSprite,true);
_textSprite = nullptr;
if (_shadowNode)
{
Node::removeChild(_shadowNode,true);
_shadowNode = nullptr;
}
}
if (_fontAtlas)
{
alignText();
}
else
{
if (!_compatibleMode)
{
_fontDefinition._fontName = _systemFont;
_fontDefinition._fontSize = _systemFontSize;
_fontDefinition._alignment = _hAlignment;
_fontDefinition._vertAlignment = _vAlignment;
_fontDefinition._dimensions.width = _labelWidth;
_fontDefinition._dimensions.height = _labelHeight;
_fontDefinition._fontFillColor.r = _textColor.r;
_fontDefinition._fontFillColor.g = _textColor.g;
_fontDefinition._fontFillColor.b = _textColor.b;
_fontDefinition._shadow._shadowEnabled = false;
if (_currLabelEffect == LabelEffect::OUTLINE && _outlineSize > 0)
{
_fontDefinition._stroke._strokeEnabled = true;
_fontDefinition._stroke._strokeSize = _outlineSize;
_fontDefinition._stroke._strokeColor.r = _effectColor.r;
_fontDefinition._stroke._strokeColor.g = _effectColor.g;
_fontDefinition._stroke._strokeColor.b = _effectColor.b;
}
else
{
_fontDefinition._stroke._strokeEnabled = false;
}
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID) && (CC_TARGET_PLATFORM != CC_PLATFORM_IOS)
if (_fontDefinition._stroke._strokeEnabled)
{
CCLOGERROR("Currently only supported on iOS and Android!");
}
_fontDefinition._stroke._strokeEnabled = false;
#endif
}
createSpriteWithFontDefinition();
}
_contentDirty = false;
}
void Label::setScaleY(float scaleY)
{
Node::setScaleY(scaleY);
alignText();
}
void Label::setScaleX(float scaleX)
{
Node::setScaleX(scaleX);
alignText();
}
void Label::setScale(float scale)
{
Node::setScale(scale);
alignText();
}
void Label::updateContent()
{
auto utf16String = cc_utf8_to_utf16(_originalUTF8String.c_str());
setCurrentString(utf16String);
setOriginalString(utf16String);
if (_textSprite)
{
Node::removeChild(_textSprite,true);
_textSprite = nullptr;
if (_shadowNode)
{
Node::removeChild(_shadowNode,true);
_shadowNode = nullptr;
}
}
if (_fontAtlas)
{
alignText();
}
else
{
_fontDefinition._fontName = _systemFont;
_fontDefinition._fontSize = _systemFontSize;
_fontDefinition._alignment = _hAlignment;
_fontDefinition._vertAlignment = _vAlignment;
_fontDefinition._dimensions.width = _labelWidth;
_fontDefinition._dimensions.height = _labelHeight;
_fontDefinition._fontFillColor.r = _textColor.r;
_fontDefinition._fontFillColor.g = _textColor.g;
_fontDefinition._fontFillColor.b = _textColor.b;
_fontDefinition._shadow._shadowEnabled = false;
if (_currLabelEffect == LabelEffect::OUTLINE && _outlineSize > 0)
{
_fontDefinition._stroke._strokeEnabled = true;
_fontDefinition._stroke._strokeSize = _outlineSize;
_fontDefinition._stroke._strokeColor.r = _effectColor.r;
_fontDefinition._stroke._strokeColor.g = _effectColor.g;
_fontDefinition._stroke._strokeColor.b = _effectColor.b;
}
else
{
_fontDefinition._stroke._strokeEnabled = false;
}
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID) && (CC_TARGET_PLATFORM != CC_PLATFORM_IOS)
if (_fontDefinition._stroke._strokeEnabled)
{
CCLOGERROR("Currently only supported on iOS and Android!");
}
_fontDefinition._stroke._strokeEnabled = false;
#endif
createSpriteWithFontDefinition();
}
_contentDirty = false;
}
