c7ad40f76f
Most of this is (obviously) not necessary to do, but once I started, I figured I'd just get it all. Tools (nanobench, DM, skiaserve), all GMs, benches, and unit tests, plus support code (command line parsing and config stuff). This is almost entirely mechanical. Bug: skia: Change-Id: I209500f8df8c5bd43f8298ff26440d1c4d7425fb Reviewed-on: https://skia-review.googlesource.com/131153 Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "sk_tool_utils.h"
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#include "SkCanvas.h"
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#include "SkImage.h"
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#include "SkImageGenerator.h"
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#include "SkMakeUnique.h"
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#include "SkSurface.h"
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namespace {
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const SkISize kSize = SkISize::Make(100, 100);
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const SkIRect kSubset = SkIRect::MakeLTRB(25, 25, 75, 75);
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const SkRect kDest = SkRect::MakeXYWH(10, 10, 100, 100);
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sk_sp<SkImage> make_mask(const sk_sp<SkSurface>& surface) {
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sk_tool_utils::draw_checkerboard(surface->getCanvas(), 0x80808080, 0x00000000, 5);
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return surface->makeImageSnapshot();
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}
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class MaskGenerator final : public SkImageGenerator {
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public:
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MaskGenerator(const SkImageInfo& info) : INHERITED(info) {}
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bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, const Options&)
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override {
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SkImageInfo surfaceInfo = info;
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if (kAlpha_8_SkColorType == info.colorType()) {
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surfaceInfo = surfaceInfo.makeColorSpace(nullptr);
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}
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make_mask(SkSurface::MakeRasterDirect(surfaceInfo, pixels, rowBytes));
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return true;
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}
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private:
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typedef SkImageGenerator INHERITED;
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};
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using MakerT = sk_sp<SkImage>(*)(SkCanvas*, const SkImageInfo&);
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const MakerT makers[] = {
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// SkImage_Raster
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[](SkCanvas*, const SkImageInfo& info) -> sk_sp<SkImage> {
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return make_mask(SkSurface::MakeRaster(info));
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},
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// SkImage_Gpu
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[](SkCanvas* c, const SkImageInfo& info) -> sk_sp<SkImage> {
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sk_sp<SkSurface> surface;
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surface = SkSurface::MakeRenderTarget(c->getGrContext(), SkBudgeted::kNo, info);
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return make_mask(surface ? surface : SkSurface::MakeRaster(info));
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},
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// SkImage_Lazy
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[](SkCanvas*, const SkImageInfo& info) -> sk_sp<SkImage> {
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return SkImage::MakeFromGenerator(skstd::make_unique<MaskGenerator>(info));
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},
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};
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} // anonymous ns
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// Checks whether subset SkImages preserve the original color type (A8 in this case).
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DEF_SIMPLE_GM(imagemasksubset, canvas, 480, 480) {
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SkPaint paint;
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paint.setColor(0xff00ff00);
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const SkImageInfo info = SkImageInfo::MakeA8(kSize.width(), kSize.height());
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for (size_t i = 0; i < SK_ARRAY_COUNT(makers); ++i) {
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sk_sp<SkImage> image = makers[i](canvas, info);
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if (image) {
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canvas->drawImageRect(image, SkRect::Make(kSubset), kDest, &paint);
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sk_sp<SkImage> subset = image->makeSubset(kSubset);
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canvas->drawImageRect(subset, kDest.makeOffset(kSize.width() * 1.5f, 0), &paint);
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}
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canvas->translate(0, kSize.height() * 1.5f);
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}
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}
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