sk_sp<SkFlattenable> SkLocalMatrixShader::CreateProc(SkReadBuffer& buffer) {
SkMatrix lm;
buffer.readMatrix(&lm);
auto baseShader(buffer.readShader());
if (!baseShader) {
return nullptr;
}
return baseShader->makeWithLocalMatrix(lm);
}
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_tool_utils::color_to_565(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);
auto pictureShader = SkShader::MakePictureShader(fPicture, kTileConfigs[tileMode].tmx,
kTileConfigs[tileMode].tmy,
fUseLocalMatrixWrapper
? nullptr : &localMatrix,
nullptr);
paint.setShader(fUseLocalMatrixWrapper
? pictureShader->makeWithLocalMatrix(localMatrix)
: pictureShader);
canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint);
canvas->translate(fSceneSize * 1.1f, 0);
auto bitmapShader = SkShader::MakeBitmapShader(fBitmap,
kTileConfigs[tileMode].tmx,
kTileConfigs[tileMode].tmy,
fUseLocalMatrixWrapper
? nullptr : &localMatrix);
paint.setShader(fUseLocalMatrixWrapper
? bitmapShader->makeWithLocalMatrix(localMatrix)
: bitmapShader);
canvas->drawRect(SkRect::MakeWH(fSceneSize, fSceneSize), paint);
canvas->restore();
}
