SkShader::Context* SkPictureShader::onCreateContext(const ContextRec& rec, void* storage) const {
SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(*rec.fMatrix, rec.fLocalMatrix));
if (NULL == bitmapShader.get()) {
return NULL;
}
return PictureShaderContext::Create(storage, *this, rec, bitmapShader);
}
void drawScene(SkCanvas* canvas, const SkMatrix& matrix, const SkMatrix& localMatrix,
unsigned tileMode) {
SkASSERT(tileMode < SK_ARRAY_COUNT(kTileConfigs));
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setColor(SK_ColorLTGRAY);
canvas->save();
canvas->concat(matrix);
canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint);
canvas->drawRect(SkRect::MakeXYWH(fSceneSize * 1.1f, 0, fSceneSize, fSceneSize), paint);
SkAutoTUnref<SkShader> pictureShader(SkShader::CreatePictureShader(
fPicture,
kTileConfigs[tileMode].tmx,
kTileConfigs[tileMode].tmy,
&localMatrix,
NULL));
paint.setShader(pictureShader.get());
canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint);
canvas->translate(fSceneSize * 1.1f, 0);
SkAutoTUnref<SkShader> bitmapShader(SkShader::CreateBitmapShader(
fBitmap,
kTileConfigs[tileMode].tmx,
kTileConfigs[tileMode].tmy,
&localMatrix));
paint.setShader(bitmapShader.get());
canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint);
canvas->restore();
}
bool SkPictureShader::asNewEffect(GrContext* context, const SkPaint& paint,
const SkMatrix* localMatrix, GrColor* paintColor,
GrEffect** effect) const {
SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(context->getMatrix(), localMatrix));
if (!bitmapShader) {
return false;
}
return bitmapShader->asNewEffect(context, paint, NULL, paintColor, effect);
}
bool SkPictureShader::asFragmentProcessor(GrContext* context, const SkPaint& paint,
const SkMatrix* localMatrix, GrColor* paintColor,
GrFragmentProcessor** fp) const {
SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(context->getMatrix(), localMatrix));
if (!bitmapShader) {
return false;
}
return bitmapShader->asFragmentProcessor(context, paint, NULL, paintColor, fp);
}
