85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
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/*
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* Copyright 2019 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/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 "include/core/SkRect.h"
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#include "tests/Test.h"
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#include "tools/debugger/DebugLayerManager.h"
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// Adds one full update, one partial update, and requests one image a few frames later.
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static void test_basic(skiatest::Reporter* reporter) {
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// prepare supporting objects
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int layerWidth = 100;
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int layerHeight = 100;
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// make a picture that fully updates the layer
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SkPictureRecorder rec;
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SkCanvas* canvas = rec.beginRecording(layerWidth, layerHeight);
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canvas->clear(0x00000000);
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SkPaint paint;
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paint.setColor(SK_ColorBLUE);
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canvas->drawOval(SkRect::MakeLTRB(1,1,99,99), paint);
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canvas->flush();
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auto picture1 = rec.finishRecordingAsPicture();
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SkIRect dirtyRectFull = SkIRect::MakeLTRB(0, 0, layerWidth, layerHeight);
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// make a second picture that acts as a partial update.
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SkPictureRecorder rec2;
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canvas = rec2.beginRecording(layerWidth, layerHeight);
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paint.setColor(SK_ColorGREEN);
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canvas->drawOval(SkRect::MakeLTRB(40,40,60,60), paint);
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canvas->flush();
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auto picture2 = rec2.finishRecordingAsPicture();
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SkIRect dirtyRectPartial = SkIRect::MakeLTRB(40,40,60,60);
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int node = 2;
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// create and exercise DebugLayerManager
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DebugLayerManager dlm;
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dlm.storeSkPicture(node, 0, picture1, dirtyRectFull);
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dlm.storeSkPicture(node, 10, picture2, dirtyRectPartial);
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auto frames = dlm.listFramesForNode(node);
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// Confirm the layer manager stored these at the right places.
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REPORTER_ASSERT(reporter, frames.size() == 2);
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REPORTER_ASSERT(reporter, frames[0] == 0);
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REPORTER_ASSERT(reporter, frames[1] == 10);
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SkPixmap pixmap;
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// request an image of the layer between the two updates.
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for (int i=0; i<10; i++) {
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auto image = dlm.getLayerAsImage(node, i);
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REPORTER_ASSERT(reporter, image->width() == layerWidth);
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REPORTER_ASSERT(reporter, image->height() == layerHeight);
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// confirm center is blue, proving only first pic was drawn.
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image->peekPixels(&pixmap);
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SkColor paintColor = pixmap.getColor(50, 50);
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REPORTER_ASSERT(reporter, paintColor == SK_ColorBLUE);
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}
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// For any images after the second draw, confirm the center is green, but the area just outside
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// that smaller circle is still blue, proving dlm drew both pictures.
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for (int i=10; i<12; i++) {
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auto image = dlm.getLayerAsImage(node, i);
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REPORTER_ASSERT(reporter, image->width() == layerWidth);
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REPORTER_ASSERT(reporter, image->height() == layerHeight);
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image->peekPixels(&pixmap);
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auto innerColor = pixmap.getColor(50, 50);
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REPORTER_ASSERT(reporter, innerColor == SK_ColorGREEN);
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auto outerColor = pixmap.getColor(10, 50);
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REPORTER_ASSERT(reporter, outerColor == SK_ColorBLUE);
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}
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}
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DEF_TEST(DebugLayerManagerTest, reporter) {
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test_basic(reporter);
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}
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