static void setupPaint(SkPaint* paint, const SimpleFontData* fontData, const Font* font, bool shouldAntialias, bool shouldSmoothFonts)
{
const FontPlatformData& platformData = fontData->platformData();
const float textSize = platformData.m_size >= 0 ? platformData.m_size : 12;
paint->setAntiAlias(shouldAntialias);
paint->setEmbeddedBitmapText(false);
paint->setTextSize(SkFloatToScalar(textSize));
SkTypeface* typeface = SkCreateTypefaceFromCTFont(platformData.ctFont());
SkAutoUnref autoUnref(typeface);
paint->setTypeface(typeface);
paint->setFakeBoldText(platformData.m_syntheticBold);
paint->setTextSkewX(platformData.m_syntheticOblique ? -SK_Scalar1 / 4 : 0);
paint->setAutohinted(false); // freetype specific
paint->setLCDRenderText(shouldSmoothFonts);
paint->setSubpixelText(true);
}
SkColorFilterImageFilter* SkColorFilterImageFilter::Create(SkColorFilter* cf,
SkImageFilter* input, const CropRect* cropRect) {
SkASSERT(cf);
SkScalar colorMatrix[20], inputMatrix[20];
SkColorFilter* inputColorFilter;
if (input && cf->asColorMatrix(colorMatrix)
&& input->asColorFilter(&inputColorFilter)
&& (NULL != inputColorFilter)) {
SkAutoUnref autoUnref(inputColorFilter);
if (inputColorFilter->asColorMatrix(inputMatrix) && !matrix_needs_clamping(inputMatrix)) {
SkScalar combinedMatrix[20];
mult_color_matrix(colorMatrix, inputMatrix, combinedMatrix);
SkAutoTUnref<SkColorFilter> newCF(SkColorMatrixFilter::Create(combinedMatrix));
return SkNEW_ARGS(SkColorFilterImageFilter, (newCF, input->getInput(0), cropRect));
}
}
return SkNEW_ARGS(SkColorFilterImageFilter, (cf, input, cropRect));
}
SkColorFilterImageFilter* SkColorFilterImageFilter::Create(SkColorFilter* cf,
SkImageFilter* input, const CropRect* cropRect) {
if (NULL == cf) {
return NULL;
}
SkColorFilter* inputCF;
if (input && input->isColorFilterNode(&inputCF)) {
// This is an optimization, as it collapses the hierarchy by just combining the two
// colorfilters into a single one, which the new imagefilter will wrap.
SkAutoUnref autoUnref(inputCF);
SkAutoTUnref<SkColorFilter> newCF(SkColorFilter::CreateComposeFilter(cf, inputCF));
if (newCF) {
return SkNEW_ARGS(SkColorFilterImageFilter, (newCF, input->getInput(0), cropRect));
}
}
return SkNEW_ARGS(SkColorFilterImageFilter, (cf, input, cropRect));
}
SkColorFilterImageFilter* SkColorFilterImageFilter::Create(SkColorFilter* cf,
SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID) {
if (NULL == cf) {
return NULL;
}
SkColorFilter* inputColorFilter;
if (input && input->asColorFilter(&inputColorFilter) && inputColorFilter) {
SkAutoUnref autoUnref(inputColorFilter);
// Try to collapse two consecutive matrix filters
SkScalar colorMatrix[20], inputMatrix[20];
if (cf->asColorMatrix(colorMatrix) && inputColorFilter->asColorMatrix(inputMatrix)
&& !matrix_needs_clamping(inputMatrix)) {
SkScalar combinedMatrix[20];
mult_color_matrix(colorMatrix, inputMatrix, combinedMatrix);
SkAutoTUnref<SkColorFilter> newCF(SkColorMatrixFilter::Create(combinedMatrix));
return SkNEW_ARGS(SkColorFilterImageFilter, (newCF, input->getInput(0), cropRect, 0));
}
// Try to collapse two consecutive table filters
SkBitmap colorTable, inputTable;
if (cf->asComponentTable(&colorTable) && inputColorFilter->asComponentTable(&inputTable)) {
uint8_t combinedTable[4 * 256];
SkAutoLockPixels colorLock(colorTable);
SkAutoLockPixels inputLock(inputTable);
combine_color_tables(colorTable.getAddr8(0, 0), inputTable.getAddr8(0, 0),
combinedTable);
SkAutoTUnref<SkColorFilter> newCF(SkTableColorFilter::CreateARGB(
&combinedTable[256 * 0],
&combinedTable[256 * 1],
&combinedTable[256 * 2],
&combinedTable[256 * 3])
);
return SkNEW_ARGS(SkColorFilterImageFilter, (newCF, input->getInput(0), cropRect, 0));
}
}
return SkNEW_ARGS(SkColorFilterImageFilter, (cf, input, cropRect, uniqueID));
}
