a31eacb22e
The current implementation relies on soon-to-be-deprecated kClip_SaveFlag behavior. Updated to use default save flags (kMatrixClip_SaveFlag) and stop assuming that the matrix survives restore() calls. R=junov@chromium.org, reed@google.com, robertphillips@chromium.org, robertphillips@google.com Committed: http://code.google.com/p/skia/source/detail?r=14319 Author: fmalita@chromium.org Review URL: https://codereview.chromium.org/246893005 git-svn-id: http://skia.googlecode.com/svn/trunk@14421 2bbb7eff-a529-9590-31e7-b0007b416f81
124 lines
4.4 KiB
C++
124 lines
4.4 KiB
C++
/*
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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 "SkBBHFactory.h"
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#include "SkCanvas.h"
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#include "SkPictureRecorder.h"
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#include "SkPictureStateTree.h"
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#include "Test.h"
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static SkPicture* draw_scene(SkBBHFactory* bbhFactory) {
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SkPictureRecorder recorder;
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SkCanvas* canvas = recorder.beginRecording(200, 200, bbhFactory, 0);
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SkPaint p1, p2;
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p1.setStyle(SkPaint::kFill_Style);
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p1.setARGB(0x80, 0, 0xff, 0);
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p2.setStyle(SkPaint::kFill_Style);
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p2.setARGB(0x80, 0xff, 0, 0);
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canvas->drawColor(SK_ColorWHITE);
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// This is intended to exercise some tricky SkPictureStateTree code paths when
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// played back with various clips:
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//
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// * cleanup/rewind when the last draw is not at the root of the state tree.
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// * state nodes with both kSave_Flag & kSaveLayer_Flag set.
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// * state tree transitions which implicitly reset the matrix via. restore().
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canvas->save();
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canvas->translate(10, 10);
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canvas->drawRect(SkRect::MakeWH(100, 50), p1);
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canvas->drawRect(SkRect::MakeWH(50, 100), p2);
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SkRect layerBounds = SkRect::MakeXYWH(0, 0, 90, 90);
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canvas->saveLayer(&layerBounds, NULL);
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canvas->save();
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canvas->clipRect(layerBounds);
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canvas->save();
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canvas->clipRect(SkRect::MakeWH(25, 25));
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canvas->rotate(90);
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canvas->drawRect(SkRect::MakeWH(100, 50), p1);
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canvas->restore();
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canvas->save();
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canvas->clipRect(SkRect::MakeWH(25, 25));
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canvas->save();
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canvas->rotate(90);
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canvas->drawRect(SkRect::MakeWH(50, 100), p2);
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canvas->restore();
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canvas->drawRect(SkRect::MakeWH(100, 50), p1);
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canvas->restore();
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canvas->drawRect(SkRect::MakeXYWH(99, 99, 1, 1), p1);
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canvas->restore();
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canvas->restore();
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canvas->restore();
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return recorder.endRecording();
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}
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static void check_bms(skiatest::Reporter* reporter, const SkBitmap& bm1, const SkBitmap& bm2) {
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SkASSERT(bm1.getSize() == bm2.getSize());
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REPORTER_ASSERT(reporter, 0 == memcmp(bm1.getAddr(0, 0), bm2.getAddr(0, 0), bm1.getSize()));
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}
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static void test_reference_picture(skiatest::Reporter* reporter) {
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SkRTreeFactory bbhFactory;
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SkAutoTUnref<SkPicture> bbhPicture(draw_scene(&bbhFactory));
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SkAutoTUnref<SkPicture> referencePicture(draw_scene(NULL));
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SkBitmap referenceBitmap;
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referenceBitmap.allocN32Pixels(100, 100);
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SkCanvas referenceCanvas(referenceBitmap);
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SkBitmap bbhBitmap;
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bbhBitmap.allocN32Pixels(100, 100);
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SkCanvas bbhCanvas(bbhBitmap);
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referenceCanvas.drawColor(SK_ColorTRANSPARENT);
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referenceCanvas.drawPicture(*referencePicture.get());
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bbhCanvas.drawColor(SK_ColorTRANSPARENT);
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bbhCanvas.drawPicture(*bbhPicture.get());
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REPORTER_ASSERT(reporter,
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referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount());
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REPORTER_ASSERT(reporter,
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referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix());
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check_bms(reporter, referenceBitmap, bbhBitmap);
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referenceCanvas.drawColor(SK_ColorTRANSPARENT);
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referenceCanvas.clipRect(SkRect::MakeWH(50, 50));
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referenceCanvas.drawPicture(*referencePicture.get());
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bbhCanvas.drawColor(SK_ColorTRANSPARENT);
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bbhCanvas.clipRect(SkRect::MakeWH(50, 50));
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bbhCanvas.drawPicture(*bbhPicture.get());
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REPORTER_ASSERT(reporter,
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referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount());
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REPORTER_ASSERT(reporter,
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referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix());
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check_bms(reporter, referenceBitmap, bbhBitmap);
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referenceCanvas.drawColor(SK_ColorTRANSPARENT);
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referenceCanvas.clipRect(SkRect::MakeWH(10, 10));
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referenceCanvas.drawPicture(*referencePicture.get());
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bbhCanvas.drawColor(SK_ColorTRANSPARENT);
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bbhCanvas.clipRect(SkRect::MakeWH(10, 10));
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bbhCanvas.drawPicture(*bbhPicture.get());
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REPORTER_ASSERT(reporter,
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referenceCanvas.getSaveCount() == bbhCanvas.getSaveCount());
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REPORTER_ASSERT(reporter,
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referenceCanvas.getTotalMatrix() == bbhCanvas.getTotalMatrix());
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check_bms(reporter, referenceBitmap, bbhBitmap);
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}
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DEF_TEST(PictureStateTree, reporter) {
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test_reference_picture(reporter);
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}
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