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125 lines
3.9 KiB
125 lines
3.9 KiB
/*
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* Copyright 2014 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 "include/core/SkBitmap.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPicture.h"
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#include "include/core/SkPictureRecorder.h"
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#include "src/core/SkRectPriv.h"
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#include "tests/Test.h"
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class PictureBBHTestBase {
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public:
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PictureBBHTestBase(int playbackWidth, int playbackHeight,
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int recordWidth, int recordHeight) {
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fResultBitmap.allocN32Pixels(playbackWidth, playbackHeight);
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fPictureWidth = recordWidth;
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fPictureHeight = recordHeight;
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}
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virtual ~PictureBBHTestBase() { }
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virtual void doTest(SkCanvas& playbackCanvas, SkCanvas& recordingCanvas) = 0;
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void run(skiatest::Reporter* reporter) {
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// No BBH
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this->run(nullptr, reporter);
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// With an R-Tree
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SkRTreeFactory RTreeFactory;
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this->run(&RTreeFactory, reporter);
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}
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private:
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void run(SkBBHFactory* factory, skiatest::Reporter* reporter) {
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SkCanvas playbackCanvas(fResultBitmap);
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playbackCanvas.clear(SK_ColorGREEN);
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SkPictureRecorder recorder;
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SkCanvas* recordCanvas = recorder.beginRecording(SkIntToScalar(fPictureWidth),
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SkIntToScalar(fPictureHeight),
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factory);
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this->doTest(playbackCanvas, *recordCanvas);
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sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
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playbackCanvas.drawPicture(picture);
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REPORTER_ASSERT(reporter, SK_ColorGREEN == fResultBitmap.getColor(0, 0));
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}
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SkBitmap fResultBitmap;
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int fPictureWidth, fPictureHeight;
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};
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// Test to verify the playback of an empty picture
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//
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class DrawEmptyPictureBBHTest : public PictureBBHTestBase {
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public:
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DrawEmptyPictureBBHTest()
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: PictureBBHTestBase(2, 2, 1, 1) {}
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~DrawEmptyPictureBBHTest() override {}
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void doTest(SkCanvas&, SkCanvas&) override {}
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};
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// Test to verify the playback of a picture into a canvas that has
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// an empty clip.
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//
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class EmptyClipPictureBBHTest : public PictureBBHTestBase {
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public:
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EmptyClipPictureBBHTest()
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: PictureBBHTestBase(2, 2, 3, 3) {}
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void doTest(SkCanvas& playbackCanvas, SkCanvas& recordingCanvas) override {
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// intersect with out of bounds rect -> empty clip.
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playbackCanvas.clipRect(SkRect::MakeXYWH(10, 10, 1, 1));
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SkPaint paint;
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recordingCanvas.drawRect(SkRect::MakeWH(3, 3), paint);
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}
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~EmptyClipPictureBBHTest() override {}
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};
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DEF_TEST(PictureBBH, reporter) {
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DrawEmptyPictureBBHTest emptyPictureTest;
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emptyPictureTest.run(reporter);
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EmptyClipPictureBBHTest emptyClipPictureTest;
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emptyClipPictureTest.run(reporter);
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}
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DEF_TEST(PictureNegativeSpace, r) {
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SkRTreeFactory factory;
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SkPictureRecorder recorder;
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SkRect cull = {-200,-200,+200,+200};
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{
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sk_sp<SkBBoxHierarchy> bbh = factory();
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auto canvas = recorder.beginRecording(cull, bbh);
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canvas->save();
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canvas->clipRect(cull);
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canvas->drawRect({-20,-20,-10,-10}, SkPaint{});
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canvas->drawRect({-20,-20,-10,-10}, SkPaint{});
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canvas->restore();
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auto pic = recorder.finishRecordingAsPicture();
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REPORTER_ASSERT(r, pic->approximateOpCount() == 5);
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REPORTER_ASSERT(r, pic->cullRect() == (SkRect{-20,-20,-10,-10}));
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}
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{
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auto canvas = recorder.beginRecording(cull, &factory);
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canvas->clipRect(cull);
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canvas->drawRect({-20,-20,-10,-10}, SkPaint{});
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canvas->drawRect({-20,-20,-10,-10}, SkPaint{});
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auto pic = recorder.finishRecordingAsPicture();
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REPORTER_ASSERT(r, pic->approximateOpCount() == 3);
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REPORTER_ASSERT(r, pic->cullRect() == (SkRect{-20,-20,-10,-10}));
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}
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}
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