+++ /dev/null
-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "gm.h"
-#include "SkCanvas.h"
-#include "SkSurface.h"
-
-static sk_sp<SkImage> make_image(SkCanvas* rootCanvas, SkColor color) {
- SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
- auto surface(rootCanvas->makeSurface(info));
- if (!surface) {
- surface = SkSurface::MakeRaster(info);
- }
-
- SkPaint paint;
- paint.setAntiAlias(true);
- paint.setColor(color);
- surface->getCanvas()->drawIRect(SkIRect::MakeXYWH(25, 25, 50, 50), paint);
- return surface->makeImageSnapshot();
-}
-
-DEF_SIMPLE_GM(localmatriximageshader, canvas, 250, 250) {
- sk_sp<SkImage> redImage = make_image(canvas, SK_ColorRED);
- SkMatrix translate = SkMatrix::MakeTrans(100.0f, 0.0f);
- SkMatrix rotate;
- rotate.setRotate(45.0f);
- sk_sp<SkShader> redImageShader = redImage->makeShader(SkShader::TileMode::kClamp_TileMode,
- SkShader::TileMode::kClamp_TileMode, &translate);
- sk_sp<SkShader> redLocalMatrixShader = redImageShader->makeWithLocalMatrix(rotate);
-
- // Rotate about the origin will happen first.
- SkPaint paint;
- paint.setShader(redLocalMatrixShader);
- canvas->drawIRect(SkIRect::MakeWH(250, 250), paint);
-
- sk_sp<SkImage> blueImage = make_image(canvas, SK_ColorBLUE);
- sk_sp<SkShader> blueImageShader = blueImage->makeShader(SkShader::TileMode::kClamp_TileMode,
- SkShader::TileMode::kClamp_TileMode, &rotate);
- sk_sp<SkShader> blueLocalMatrixShader = blueImageShader->makeWithLocalMatrix(translate);
-
- // Translate will happen first.
- paint.setShader(blueLocalMatrixShader);
- canvas->drawIRect(SkIRect::MakeWH(250, 250), paint);
-
- canvas->translate(100.0f, 0.0f);
-
- // Use isAImage() and confirm that the shaders will draw exactly the same (to the right by 100).
- SkShader::TileMode mode[2];
- SkMatrix matrix;
- SkImage* image = redLocalMatrixShader->isAImage(&matrix, mode);
- paint.setShader(image->makeShader(mode[0], mode[1], &matrix));
- canvas->drawIRect(SkIRect::MakeWH(250, 250), paint);
- image = blueLocalMatrixShader->isAImage(&matrix, mode);
- paint.setShader(image->makeShader(mode[0], mode[1], &matrix));
- canvas->drawIRect(SkIRect::MakeWH(250, 250), paint);
-}
Context* onMakeContext(const ContextRec&, SkArenaAlloc*) const override;
- SkImage* onIsAImage(SkMatrix* matrix, TileMode* mode) const override;
+ SkImage* onIsAImage(SkMatrix* matrix, TileMode* mode) const override {
+ return fProxyShader->isAImage(matrix, mode);
+ }
bool onAppendStages(SkRasterPipeline*, SkColorSpace*, SkArenaAlloc*,
const SkMatrix&, const SkPaint&, const SkMatrix*) const override;