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287 lines
10 KiB
287 lines
10 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 "Test.h"
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#include "RecordTestUtils.h"
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#include "SkDebugCanvas.h"
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#include "SkDropShadowImageFilter.h"
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#include "SkImagePriv.h"
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#include "SkRecord.h"
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#include "SkRecordDraw.h"
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#include "SkRecordOpts.h"
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#include "SkRecorder.h"
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#include "SkRecords.h"
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#include "SkSurface.h"
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static const int W = 1920, H = 1080;
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class JustOneDraw : public SkPicture::AbortCallback {
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public:
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JustOneDraw() : fCalls(0) {}
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bool abort() override { return fCalls++ > 0; }
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private:
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int fCalls;
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};
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DEF_TEST(RecordDraw_LazySaves, r) {
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// Record two commands.
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SkRecord record;
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SkRecorder recorder(&record, W, H);
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REPORTER_ASSERT(r, 0 == record.count());
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recorder.save();
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REPORTER_ASSERT(r, 0 == record.count()); // the save was not recorded (yet)
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recorder.drawColor(SK_ColorRED);
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REPORTER_ASSERT(r, 1 == record.count());
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recorder.scale(2, 2);
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REPORTER_ASSERT(r, 3 == record.count()); // now we see the save
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recorder.restore();
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REPORTER_ASSERT(r, 4 == record.count());
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assert_type<SkRecords::DrawPaint>(r, record, 0);
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assert_type<SkRecords::Save> (r, record, 1);
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assert_type<SkRecords::Concat> (r, record, 2);
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assert_type<SkRecords::Restore> (r, record, 3);
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recorder.save();
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recorder.save();
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recorder.restore();
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recorder.restore();
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REPORTER_ASSERT(r, 4 == record.count());
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}
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DEF_TEST(RecordDraw_Abort, r) {
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// Record two commands.
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SkRecord record;
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SkRecorder recorder(&record, W, H);
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recorder.drawRect(SkRect::MakeWH(200, 300), SkPaint());
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recorder.clipRect(SkRect::MakeWH(100, 200));
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SkRecord rerecord;
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SkRecorder canvas(&rerecord, W, H);
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JustOneDraw callback;
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SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr/*bbh*/, &callback);
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REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord));
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REPORTER_ASSERT(r, 0 == count_instances_of_type<SkRecords::ClipRect>(rerecord));
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}
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DEF_TEST(RecordDraw_Unbalanced, r) {
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SkRecord record;
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SkRecorder recorder(&record, W, H);
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recorder.save(); // We won't balance this, but SkRecordDraw will for us.
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recorder.scale(2, 2);
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SkRecord rerecord;
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SkRecorder canvas(&rerecord, W, H);
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SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr/*bbh*/, nullptr/*callback*/);
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int save_count = count_instances_of_type<SkRecords::Save>(rerecord);
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int restore_count = count_instances_of_type<SkRecords::Save>(rerecord);
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REPORTER_ASSERT(r, save_count == restore_count);
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}
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DEF_TEST(RecordDraw_SetMatrixClobber, r) {
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// Set up an SkRecord that just scales by 2x,3x.
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SkRecord scaleRecord;
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SkRecorder scaleCanvas(&scaleRecord, W, H);
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SkMatrix scale;
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scale.setScale(2, 3);
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scaleCanvas.setMatrix(scale);
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// Set up an SkRecord with an initial +20, +20 translate.
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SkRecord translateRecord;
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SkRecorder translateCanvas(&translateRecord, W, H);
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SkMatrix translate;
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translate.setTranslate(20, 20);
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translateCanvas.setMatrix(translate);
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SkRecordDraw(scaleRecord, &translateCanvas, nullptr, nullptr, 0, nullptr/*bbh*/, nullptr/*callback*/);
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REPORTER_ASSERT(r, 4 == translateRecord.count());
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assert_type<SkRecords::SetMatrix>(r, translateRecord, 0);
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assert_type<SkRecords::Save> (r, translateRecord, 1);
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assert_type<SkRecords::SetMatrix>(r, translateRecord, 2);
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assert_type<SkRecords::Restore> (r, translateRecord, 3);
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// When we look at translateRecord now, it should have its first +20,+20 translate,
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// then a 2x,3x scale that's been concatted with that +20,+20 translate.
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const SkRecords::SetMatrix* setMatrix;
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setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 0);
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REPORTER_ASSERT(r, setMatrix->matrix == translate);
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setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 2);
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SkMatrix expected = scale;
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expected.postConcat(translate);
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REPORTER_ASSERT(r, setMatrix->matrix == expected);
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}
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// Like a==b, with a little slop recognizing that float equality can be weird.
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static bool sloppy_rect_eq(SkRect a, SkRect b) {
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SkRect inset(a), outset(a);
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inset.inset(1, 1);
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outset.outset(1, 1);
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return outset.contains(b) && !inset.contains(b);
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}
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// TODO This would be nice, but we can't get it right today.
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#if 0
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DEF_TEST(RecordDraw_BasicBounds, r) {
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SkRecord record;
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SkRecorder recorder(&record, W, H);
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recorder.save();
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recorder.clipRect(SkRect::MakeWH(400, 500));
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recorder.scale(2, 2);
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recorder.drawRect(SkRect::MakeWH(320, 240), SkPaint());
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recorder.restore();
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SkAutoTMalloc<SkRect> bounds(record.count());
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SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, bounds);
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for (int i = 0; i < record.count(); i++) {
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REPORTER_ASSERT(r, sloppy_rect_eq(SkRect::MakeWH(400, 480), bounds[i]));
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}
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}
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#endif
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// Base test to ensure start/stop range is respected
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DEF_TEST(RecordDraw_PartialStartStop, r) {
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static const int kWidth = 10, kHeight = 10;
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SkRect r1 = { 0, 0, kWidth, kHeight };
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SkRect r2 = { 0, 0, kWidth, kHeight/2 };
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SkRect r3 = { 0, 0, kWidth/2, kHeight };
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SkPaint p;
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SkRecord record;
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SkRecorder recorder(&record, kWidth, kHeight);
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recorder.drawRect(r1, p);
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recorder.drawRect(r2, p);
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recorder.drawRect(r3, p);
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SkRecord rerecord;
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SkRecorder canvas(&rerecord, kWidth, kHeight);
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SkRecordPartialDraw(record, &canvas, nullptr, 0, 1, 2, SkMatrix::I()); // replay just drawRect of r2
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REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord));
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int index = find_first_instances_of_type<SkRecords::DrawRect>(rerecord);
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const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, rerecord, index);
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REPORTER_ASSERT(r, drawRect->rect == r2);
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}
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// A regression test for crbug.com/415468 and https://bug.skia.org/2957 .
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//
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// This also now serves as a regression test for crbug.com/418417. We used to adjust the
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// bounds for the saveLayer, clip, and restore to be greater than the bounds of the picture.
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// (We were applying the saveLayer paint to the bounds after restore, which makes no sense.)
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DEF_TEST(RecordDraw_SaveLayerAffectsClipBounds, r) {
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SkRecord record;
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SkRecorder recorder(&record, 50, 50);
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// We draw a rectangle with a long drop shadow. We used to not update the clip
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// bounds based on SaveLayer paints, so the drop shadow could be cut off.
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SkPaint paint;
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paint.setImageFilter(SkDropShadowImageFilter::Make(
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20, 0, 0, 0, SK_ColorBLACK,
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SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
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nullptr));
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recorder.saveLayer(nullptr, &paint);
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recorder.clipRect(SkRect::MakeWH(20, 40));
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recorder.drawRect(SkRect::MakeWH(20, 40), SkPaint());
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recorder.restore();
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// Under the original bug, the right edge value of the drawRect would be 20 less than asserted
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// here because we intersected it with a clip that had not been adjusted for the drop shadow.
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//
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// The second bug showed up as adjusting the picture bounds (0,0,50,50) by the drop shadow too.
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// The saveLayer, clipRect, and restore bounds were incorrectly (0,0,70,50).
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SkAutoTMalloc<SkRect> bounds(record.count());
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SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds);
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REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(0, 0, 50, 50)));
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REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(0, 0, 50, 50)));
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REPORTER_ASSERT(r, sloppy_rect_eq(bounds[2], SkRect::MakeLTRB(0, 0, 40, 40)));
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REPORTER_ASSERT(r, sloppy_rect_eq(bounds[3], SkRect::MakeLTRB(0, 0, 50, 50)));
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}
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// TODO This would be nice, but we can't get it right today.
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#if 0
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// When a saveLayer provides an explicit bound and has a complex paint (e.g., one that
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// affects transparent black), that bound should serve to shrink the area of the required
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// backing store.
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DEF_TEST(RecordDraw_SaveLayerBoundsAffectsClipBounds, r) {
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SkRecord record;
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SkRecorder recorder(&record, 50, 50);
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SkPaint p;
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p.setBlendMode(SkBlendMode::kSrc);
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SkRect layerBounds = SkRect::MakeLTRB(10, 10, 40, 40);
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recorder.saveLayer(&layerBounds, &p);
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recorder.drawRect(SkRect::MakeLTRB(20, 20, 30, 30), SkPaint());
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recorder.restore();
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SkAutoTMalloc<SkRect> bounds(record.count());
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SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds);
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REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(10, 10, 40, 40)));
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REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(20, 20, 30, 30)));
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REPORTER_ASSERT(r, sloppy_rect_eq(bounds[2], SkRect::MakeLTRB(10, 10, 40, 40)));
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}
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#endif
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DEF_TEST(RecordDraw_drawImage, r){
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class SkCanvasMock : public SkCanvas {
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public:
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SkCanvasMock(int width, int height) : SkCanvas(width, height) {
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this->resetTestValues();
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}
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void onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
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const SkPaint* paint) override {
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fDrawImageCalled = true;
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}
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void onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
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const SkPaint* paint, SrcRectConstraint) override {
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fDrawImageRectCalled = true;
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}
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void resetTestValues() {
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fDrawImageCalled = fDrawImageRectCalled = false;
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}
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bool fDrawImageCalled;
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bool fDrawImageRectCalled;
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};
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auto surface(SkSurface::MakeRasterN32Premul(10, 10));
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surface->getCanvas()->clear(SK_ColorGREEN);
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sk_sp<SkImage> image(surface->makeImageSnapshot());
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SkCanvasMock canvas(10, 10);
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{
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SkRecord record;
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SkRecorder recorder(&record, 10, 10);
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recorder.drawImage(image, 0, 0);
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SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr, nullptr);
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}
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REPORTER_ASSERT(r, canvas.fDrawImageCalled);
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canvas.resetTestValues();
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{
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SkRecord record;
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SkRecorder recorder(&record, 10, 10);
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recorder.drawImageRect(image, SkRect::MakeWH(10, 10), nullptr);
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SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr, nullptr);
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}
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REPORTER_ASSERT(r, canvas.fDrawImageRectCalled);
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}
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