2011-11-28 16:06:04 +00:00
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/*
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2012-02-22 21:00:42 +00:00
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* Copyright 2012 Google Inc.
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2011-11-28 16:06:04 +00:00
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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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2012-02-22 21:00:42 +00:00
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2019-04-23 17:05:21 +00:00
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#include "include/core/SkBitmap.h"
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#include "include/core/SkBlendMode.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkClipOp.h"
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#include "include/core/SkColor.h"
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2019-05-06 19:13:30 +00:00
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#include "include/core/SkDocument.h"
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#include "include/core/SkFlattenable.h"
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2019-04-23 17:05:21 +00:00
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#include "include/core/SkImageFilter.h"
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#include "include/core/SkImageInfo.h"
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#include "include/core/SkMatrix.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkPictureRecorder.h"
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#include "include/core/SkPixmap.h"
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#include "include/core/SkPoint.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkRegion.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkShader.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkStream.h"
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#include "include/core/SkString.h"
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#include "include/core/SkSurface.h"
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#include "include/core/SkTypes.h"
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#include "include/core/SkVertices.h"
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#include "include/docs/SkPDFDocument.h"
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2019-08-05 14:41:10 +00:00
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#include "include/effects/SkImageFilters.h"
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2019-04-23 17:05:21 +00:00
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#include "include/private/SkMalloc.h"
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#include "include/private/SkTemplates.h"
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#include "include/utils/SkNWayCanvas.h"
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#include "include/utils/SkPaintFilterCanvas.h"
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#include "src/core/SkClipOpPriv.h"
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2019-08-02 13:57:04 +00:00
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#include "src/core/SkImageFilter_Base.h"
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2019-04-23 17:05:21 +00:00
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#include "src/core/SkSpecialImage.h"
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#include "src/utils/SkCanvasStack.h"
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#include "tests/Test.h"
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2011-11-28 16:06:04 +00:00
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2018-03-12 17:46:21 +00:00
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#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
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2019-04-23 17:05:21 +00:00
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#include "include/core/SkColorSpace.h"
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#include "include/private/SkColorData.h"
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2018-03-12 17:46:21 +00:00
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#endif
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#include <memory>
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#include <utility>
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class SkReadBuffer;
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2017-01-23 16:39:45 +00:00
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DEF_TEST(canvas_clipbounds, reporter) {
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SkCanvas canvas(10, 10);
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2017-01-24 14:13:40 +00:00
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SkIRect irect, irect2;
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SkRect rect, rect2;
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2017-01-23 16:39:45 +00:00
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irect = canvas.getDeviceClipBounds();
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REPORTER_ASSERT(reporter, irect == SkIRect::MakeWH(10, 10));
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2017-01-24 14:13:40 +00:00
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REPORTER_ASSERT(reporter, canvas.getDeviceClipBounds(&irect2));
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REPORTER_ASSERT(reporter, irect == irect2);
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2017-01-23 16:39:45 +00:00
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// local bounds are always too big today -- can we trim them?
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rect = canvas.getLocalClipBounds();
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REPORTER_ASSERT(reporter, rect.contains(SkRect::MakeWH(10, 10)));
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2017-01-24 14:13:40 +00:00
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REPORTER_ASSERT(reporter, canvas.getLocalClipBounds(&rect2));
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REPORTER_ASSERT(reporter, rect == rect2);
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2017-01-23 16:39:45 +00:00
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canvas.clipRect(SkRect::MakeEmpty());
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irect = canvas.getDeviceClipBounds();
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REPORTER_ASSERT(reporter, irect == SkIRect::MakeEmpty());
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2017-01-24 14:13:40 +00:00
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REPORTER_ASSERT(reporter, !canvas.getDeviceClipBounds(&irect2));
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REPORTER_ASSERT(reporter, irect == irect2);
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2017-01-23 16:39:45 +00:00
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rect = canvas.getLocalClipBounds();
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REPORTER_ASSERT(reporter, rect == SkRect::MakeEmpty());
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2017-01-24 14:13:40 +00:00
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REPORTER_ASSERT(reporter, !canvas.getLocalClipBounds(&rect2));
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REPORTER_ASSERT(reporter, rect == rect2);
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2017-03-10 15:49:45 +00:00
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// Test for wacky sizes that we (historically) have guarded against
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{
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SkCanvas c(-10, -20);
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REPORTER_ASSERT(reporter, c.getBaseLayerSize() == SkISize::MakeEmpty());
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2017-03-10 18:54:16 +00:00
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SkPictureRecorder().beginRecording({ 5, 5, 4, 4 });
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2017-03-10 15:49:45 +00:00
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}
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2017-01-23 16:39:45 +00:00
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}
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2017-09-13 19:25:47 +00:00
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// Will call proc with multiple styles of canvas (recording, raster, pdf)
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2017-03-23 16:34:15 +00:00
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template <typename F> static void multi_canvas_driver(int w, int h, F proc) {
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proc(SkPictureRecorder().beginRecording(SkRect::MakeIWH(w, h)));
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SkNullWStream stream;
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2018-09-07 18:33:14 +00:00
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if (auto doc = SkPDF::MakeDocument(&stream)) {
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2018-03-20 18:17:00 +00:00
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proc(doc->beginPage(SkIntToScalar(w), SkIntToScalar(h)));
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}
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2017-03-23 16:34:15 +00:00
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proc(SkSurface::MakeRasterN32Premul(w, h, nullptr)->getCanvas());
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}
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2017-03-22 14:01:53 +00:00
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const SkIRect gBaseRestrictedR = { 0, 0, 10, 10 };
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static void test_restriction(skiatest::Reporter* reporter, SkCanvas* canvas) {
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REPORTER_ASSERT(reporter, canvas->getDeviceClipBounds() == gBaseRestrictedR);
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const SkIRect restrictionR = { 2, 2, 8, 8 };
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canvas->androidFramework_setDeviceClipRestriction(restrictionR);
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REPORTER_ASSERT(reporter, canvas->getDeviceClipBounds() == restrictionR);
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const SkIRect clipR = { 4, 4, 6, 6 };
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canvas->clipRect(SkRect::Make(clipR), SkClipOp::kIntersect);
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REPORTER_ASSERT(reporter, canvas->getDeviceClipBounds() == clipR);
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2017-05-10 18:13:20 +00:00
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#ifdef SK_SUPPORT_DEPRECATED_CLIPOPS
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2017-03-22 14:01:53 +00:00
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// now test that expanding clipops can't exceed the restriction
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const SkClipOp expanders[] = {
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SkClipOp::kUnion_deprecated,
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SkClipOp::kXOR_deprecated,
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SkClipOp::kReverseDifference_deprecated,
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SkClipOp::kReplace_deprecated,
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};
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const SkRect expandR = { 0, 0, 5, 9 };
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SkASSERT(!SkRect::Make(restrictionR).contains(expandR));
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for (SkClipOp op : expanders) {
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canvas->save();
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canvas->clipRect(expandR, op);
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REPORTER_ASSERT(reporter, gBaseRestrictedR.contains(canvas->getDeviceClipBounds()));
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canvas->restore();
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}
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2017-05-10 18:13:20 +00:00
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#endif
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2017-03-22 14:01:53 +00:00
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}
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/**
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* Clip restriction logic exists in the canvas itself, and in various kinds of devices.
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*
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* This test explicitly tries to exercise that variety:
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* - picture : empty device but exercises canvas itself
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* - pdf : uses SkClipStack in its device (as does SVG and GPU)
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* - raster : uses SkRasterClip in its device
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*/
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DEF_TEST(canvas_clip_restriction, reporter) {
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2017-03-23 16:34:15 +00:00
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multi_canvas_driver(gBaseRestrictedR.width(), gBaseRestrictedR.height(),
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[reporter](SkCanvas* canvas) { test_restriction(reporter, canvas); });
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}
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2017-03-22 14:01:53 +00:00
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2017-03-23 16:34:15 +00:00
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DEF_TEST(canvas_empty_clip, reporter) {
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multi_canvas_driver(50, 50, [reporter](SkCanvas* canvas) {
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canvas->save();
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canvas->clipRect({0, 0, 20, 40 });
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REPORTER_ASSERT(reporter, !canvas->isClipEmpty());
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canvas->clipRect({30, 0, 50, 40 });
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REPORTER_ASSERT(reporter, canvas->isClipEmpty());
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});
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2017-03-22 14:01:53 +00:00
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}
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2019-05-06 19:13:30 +00:00
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DEF_TEST(CanvasNewRasterTest, reporter) {
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2014-02-27 20:32:51 +00:00
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SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10);
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2014-12-10 15:24:28 +00:00
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const size_t minRowBytes = info.minRowBytes();
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2017-10-03 18:47:21 +00:00
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const size_t size = info.computeByteSize(minRowBytes);
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2015-12-10 18:44:13 +00:00
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SkAutoTMalloc<SkPMColor> storage(size);
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SkPMColor* baseAddr = storage.get();
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2014-12-10 15:24:28 +00:00
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sk_bzero(baseAddr, size);
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2016-11-12 14:06:55 +00:00
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std::unique_ptr<SkCanvas> canvas = SkCanvas::MakeRasterDirect(info, baseAddr, minRowBytes);
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2014-02-27 20:32:51 +00:00
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REPORTER_ASSERT(reporter, canvas);
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2016-03-09 22:26:26 +00:00
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SkPixmap pmap;
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const SkPMColor* addr = canvas->peekPixels(&pmap) ? pmap.addr32() : nullptr;
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2014-02-27 20:32:51 +00:00
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REPORTER_ASSERT(reporter, addr);
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2016-03-09 22:26:26 +00:00
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REPORTER_ASSERT(reporter, info == pmap.info());
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REPORTER_ASSERT(reporter, minRowBytes == pmap.rowBytes());
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2014-02-27 20:32:51 +00:00
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for (int y = 0; y < info.height(); ++y) {
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for (int x = 0; x < info.width(); ++x) {
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REPORTER_ASSERT(reporter, 0 == addr[x]);
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}
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2016-03-09 22:26:26 +00:00
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addr = (const SkPMColor*)((const char*)addr + pmap.rowBytes());
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2014-02-27 20:32:51 +00:00
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}
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2020-01-22 15:44:00 +00:00
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// unaligned rowBytes
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REPORTER_ASSERT(reporter, nullptr == SkCanvas::MakeRasterDirect(info, baseAddr,
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minRowBytes + 1));
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2014-02-27 20:32:51 +00:00
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// now try a deliberately bad info
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2014-09-03 18:54:58 +00:00
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info = info.makeWH(-1, info.height());
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2016-11-12 14:06:55 +00:00
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REPORTER_ASSERT(reporter, nullptr == SkCanvas::MakeRasterDirect(info, baseAddr, minRowBytes));
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2014-02-27 20:32:51 +00:00
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// too big
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2014-09-03 18:54:58 +00:00
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info = info.makeWH(1 << 30, 1 << 30);
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2016-11-12 14:06:55 +00:00
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REPORTER_ASSERT(reporter, nullptr == SkCanvas::MakeRasterDirect(info, baseAddr, minRowBytes));
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2014-02-28 03:02:05 +00:00
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2014-02-27 20:32:51 +00:00
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// not a valid pixel type
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2014-09-03 18:54:58 +00:00
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info = SkImageInfo::Make(10, 10, kUnknown_SkColorType, info.alphaType());
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2016-11-12 14:06:55 +00:00
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REPORTER_ASSERT(reporter, nullptr == SkCanvas::MakeRasterDirect(info, baseAddr, minRowBytes));
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2014-02-27 20:32:51 +00:00
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2018-10-10 17:20:38 +00:00
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// We should not succeed with a zero-sized valid info
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2014-02-27 20:32:51 +00:00
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info = SkImageInfo::MakeN32Premul(0, 0);
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2016-11-12 14:06:55 +00:00
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canvas = SkCanvas::MakeRasterDirect(info, baseAddr, minRowBytes);
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2018-10-10 17:20:38 +00:00
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REPORTER_ASSERT(reporter, nullptr == canvas);
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2014-02-27 20:32:51 +00:00
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}
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2019-05-06 20:51:06 +00:00
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static SkPath make_path_from_rect(SkRect r) {
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SkPath path;
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path.addRect(r);
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return path;
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}
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2019-05-06 19:13:30 +00:00
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2019-05-06 20:51:06 +00:00
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static SkRegion make_region_from_irect(SkIRect r) {
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SkRegion region;
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region.setRect(r);
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return region;
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}
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2019-05-06 19:13:30 +00:00
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2019-05-06 20:51:06 +00:00
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static SkBitmap make_n32_bitmap(int w, int h, SkColor c = SK_ColorWHITE) {
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SkBitmap bm;
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bm.allocN32Pixels(w, h);
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bm.eraseColor(c);
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return bm;
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}
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2019-05-06 19:13:30 +00:00
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2019-05-06 20:51:06 +00:00
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// Constants used by test steps
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static constexpr SkRect kRect = {0, 0, 2, 1};
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static constexpr SkColor kColor = 0x01020304;
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static constexpr int kWidth = 2;
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static constexpr int kHeight = 2;
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using CanvasTest = void (*)(SkCanvas*, skiatest::Reporter*);
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static CanvasTest kCanvasTests[] = {
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[](SkCanvas* c, skiatest::Reporter* r) {
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c->translate(SkIntToScalar(1), SkIntToScalar(2));
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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c->scale(SkIntToScalar(1), SkIntToScalar(2));
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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c->rotate(SkIntToScalar(1));
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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c->skew(SkIntToScalar(1), SkIntToScalar(2));
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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2020-05-21 16:11:27 +00:00
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c->concat(SkMatrix::Scale(2, 3));
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2019-05-06 20:51:06 +00:00
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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2020-05-21 16:11:27 +00:00
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c->setMatrix(SkMatrix::Scale(2, 3));
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2019-05-06 20:51:06 +00:00
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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c->clipRect(kRect);
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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c->clipPath(make_path_from_rect(SkRect{0, 0, 2, 1}));
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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c->clipRegion(make_region_from_irect(SkIRect{0, 0, 2, 1}), kReplace_SkClipOp);
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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c->clear(kColor);
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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int saveCount = c->getSaveCount();
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c->save();
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c->translate(SkIntToScalar(1), SkIntToScalar(2));
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c->clipRegion(make_region_from_irect(SkIRect{0, 0, 2, 1}));
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c->restore();
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REPORTER_ASSERT(r, c->getSaveCount() == saveCount);
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REPORTER_ASSERT(r, c->getTotalMatrix().isIdentity());
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//REPORTER_ASSERT(reporter, c->getTotalClip() != kTestRegion);
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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int saveCount = c->getSaveCount();
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c->saveLayer(nullptr, nullptr);
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c->restore();
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REPORTER_ASSERT(r, c->getSaveCount() == saveCount);
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},
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[](SkCanvas* c, skiatest::Reporter* r) {
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int saveCount = c->getSaveCount();
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c->saveLayer(&kRect, nullptr);
|
|
|
|
c->restore();
|
|
|
|
REPORTER_ASSERT(r, c->getSaveCount() == saveCount);
|
|
|
|
},
|
|
|
|
[](SkCanvas* c, skiatest::Reporter* r) {
|
|
|
|
int saveCount = c->getSaveCount();
|
|
|
|
SkPaint p;
|
|
|
|
c->saveLayer(nullptr, &p);
|
|
|
|
c->restore();
|
|
|
|
REPORTER_ASSERT(r, c->getSaveCount() == saveCount);
|
|
|
|
},
|
|
|
|
[](SkCanvas* c, skiatest::Reporter* r) {
|
|
|
|
// This test exercises a functionality in SkPicture that leads to the
|
|
|
|
// recording of restore offset placeholders. This test will trigger an
|
|
|
|
// assertion at playback time if the placeholders are not properly
|
|
|
|
// filled when the recording ends.
|
|
|
|
c->clipRect(kRect);
|
|
|
|
c->clipRegion(make_region_from_irect(SkIRect{0, 0, 2, 1}));
|
|
|
|
},
|
|
|
|
[](SkCanvas* c, skiatest::Reporter* r) {
|
|
|
|
// exercise fix for http://code.google.com/p/skia/issues/detail?id=560
|
|
|
|
// ('SkPathStroker::lineTo() fails for line with length SK_ScalarNearlyZero')
|
|
|
|
SkPaint paint;
|
|
|
|
paint.setStrokeWidth(SkIntToScalar(1));
|
|
|
|
paint.setStyle(SkPaint::kStroke_Style);
|
|
|
|
SkPath path;
|
|
|
|
path.moveTo(SkPoint{ 0, 0 });
|
|
|
|
path.lineTo(SkPoint{ 0, SK_ScalarNearlyZero });
|
|
|
|
path.lineTo(SkPoint{ SkIntToScalar(1), 0 });
|
|
|
|
path.lineTo(SkPoint{ SkIntToScalar(1), SK_ScalarNearlyZero/2 });
|
|
|
|
// test nearly zero length path
|
|
|
|
c->drawPath(path, paint);
|
|
|
|
},
|
|
|
|
[](SkCanvas* c, skiatest::Reporter* r) {
|
|
|
|
SkPictureRecorder recorder;
|
|
|
|
SkCanvas* testCanvas = recorder.beginRecording(
|
|
|
|
SkIntToScalar(kWidth), SkIntToScalar(kHeight), nullptr, 0);
|
|
|
|
testCanvas->scale(SkIntToScalar(2), SkIntToScalar(1));
|
|
|
|
testCanvas->clipRect(kRect);
|
|
|
|
testCanvas->drawRect(kRect, SkPaint());
|
|
|
|
c->drawPicture(recorder.finishRecordingAsPicture());
|
|
|
|
},
|
|
|
|
[](SkCanvas* c, skiatest::Reporter* r) {
|
|
|
|
int baseSaveCount = c->getSaveCount();
|
|
|
|
int n = c->save();
|
|
|
|
REPORTER_ASSERT(r, baseSaveCount == n);
|
|
|
|
REPORTER_ASSERT(r, baseSaveCount + 1 == c->getSaveCount());
|
|
|
|
c->save();
|
|
|
|
c->save();
|
|
|
|
REPORTER_ASSERT(r, baseSaveCount + 3 == c->getSaveCount());
|
|
|
|
c->restoreToCount(baseSaveCount + 1);
|
|
|
|
REPORTER_ASSERT(r, baseSaveCount + 1 == c->getSaveCount());
|
|
|
|
|
|
|
|
// should this pin to 1, or be a no-op, or crash?
|
|
|
|
c->restoreToCount(0);
|
|
|
|
REPORTER_ASSERT(r, 1 == c->getSaveCount());
|
|
|
|
},
|
|
|
|
[](SkCanvas* c, skiatest::Reporter* r) {
|
|
|
|
// This test step challenges the TestDeferredCanvasStateConsistency
|
|
|
|
// test cases because the opaque paint can trigger an optimization
|
|
|
|
// that discards previously recorded commands. The challenge is to maintain
|
|
|
|
// correct clip and matrix stack state.
|
|
|
|
c->resetMatrix();
|
|
|
|
c->rotate(SkIntToScalar(30));
|
|
|
|
c->save();
|
|
|
|
c->translate(SkIntToScalar(2), SkIntToScalar(1));
|
|
|
|
c->save();
|
|
|
|
c->scale(SkIntToScalar(3), SkIntToScalar(3));
|
|
|
|
SkPaint paint;
|
|
|
|
paint.setColor(0xFFFFFFFF);
|
|
|
|
c->drawPaint(paint);
|
|
|
|
c->restore();
|
|
|
|
c->restore();
|
|
|
|
},
|
|
|
|
[](SkCanvas* c, skiatest::Reporter* r) {
|
|
|
|
// This test step challenges the TestDeferredCanvasStateConsistency
|
|
|
|
// test case because the canvas flush on a deferred canvas will
|
|
|
|
// reset the recording session. The challenge is to maintain correct
|
|
|
|
// clip and matrix stack state on the playback canvas.
|
|
|
|
c->resetMatrix();
|
|
|
|
c->rotate(SkIntToScalar(30));
|
|
|
|
c->save();
|
|
|
|
c->translate(SkIntToScalar(2), SkIntToScalar(1));
|
|
|
|
c->save();
|
|
|
|
c->scale(SkIntToScalar(3), SkIntToScalar(3));
|
|
|
|
c->drawRect(kRect, SkPaint());
|
|
|
|
c->flush();
|
|
|
|
c->restore();
|
|
|
|
c->restore();
|
|
|
|
},
|
|
|
|
[](SkCanvas* c, skiatest::Reporter* r) {
|
|
|
|
SkPoint pts[4];
|
|
|
|
pts[0].set(0, 0);
|
|
|
|
pts[1].set(SkIntToScalar(kWidth), 0);
|
|
|
|
pts[2].set(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
|
|
|
|
pts[3].set(0, SkIntToScalar(kHeight));
|
|
|
|
SkPaint paint;
|
|
|
|
SkBitmap bitmap(make_n32_bitmap(kWidth, kHeight, 0x05060708));
|
|
|
|
paint.setShader(bitmap.makeShader());
|
|
|
|
c->drawVertices(
|
|
|
|
SkVertices::MakeCopy(SkVertices::kTriangleFan_VertexMode, 4, pts, pts, nullptr),
|
|
|
|
SkBlendMode::kModulate, paint);
|
|
|
|
}
|
|
|
|
};
|
2019-05-06 19:13:30 +00:00
|
|
|
|
2019-05-06 20:51:06 +00:00
|
|
|
DEF_TEST(Canvas_bitmap, reporter) {
|
|
|
|
for (const CanvasTest& test : kCanvasTests) {
|
|
|
|
SkBitmap referenceStore = make_n32_bitmap(kWidth, kHeight);
|
2019-05-06 19:13:30 +00:00
|
|
|
SkCanvas referenceCanvas(referenceStore);
|
2019-05-06 20:51:06 +00:00
|
|
|
test(&referenceCanvas, reporter);
|
|
|
|
}
|
|
|
|
}
|
2012-08-02 17:43:25 +00:00
|
|
|
|
2019-05-06 20:51:06 +00:00
|
|
|
DEF_TEST(Canvas_pdf, reporter) {
|
|
|
|
for (const CanvasTest& test : kCanvasTests) {
|
|
|
|
SkNullWStream outStream;
|
|
|
|
if (auto doc = SkPDF::MakeDocument(&outStream)) {
|
|
|
|
SkCanvas* canvas = doc->beginPage(SkIntToScalar(kWidth),
|
|
|
|
SkIntToScalar(kHeight));
|
|
|
|
REPORTER_ASSERT(reporter, canvas);
|
|
|
|
test(canvas, reporter);
|
2019-05-06 19:13:30 +00:00
|
|
|
}
|
|
|
|
}
|
2011-11-28 16:06:04 +00:00
|
|
|
}
|
2014-11-26 16:55:51 +00:00
|
|
|
|
|
|
|
DEF_TEST(Canvas_SaveState, reporter) {
|
|
|
|
SkCanvas canvas(10, 10);
|
|
|
|
REPORTER_ASSERT(reporter, 1 == canvas.getSaveCount());
|
|
|
|
|
|
|
|
int n = canvas.save();
|
|
|
|
REPORTER_ASSERT(reporter, 1 == n);
|
|
|
|
REPORTER_ASSERT(reporter, 2 == canvas.getSaveCount());
|
|
|
|
|
2015-08-27 14:41:13 +00:00
|
|
|
n = canvas.saveLayer(nullptr, nullptr);
|
2014-11-26 16:55:51 +00:00
|
|
|
REPORTER_ASSERT(reporter, 2 == n);
|
|
|
|
REPORTER_ASSERT(reporter, 3 == canvas.getSaveCount());
|
2016-03-29 16:03:52 +00:00
|
|
|
|
2014-11-26 16:55:51 +00:00
|
|
|
canvas.restore();
|
|
|
|
REPORTER_ASSERT(reporter, 2 == canvas.getSaveCount());
|
|
|
|
canvas.restore();
|
|
|
|
REPORTER_ASSERT(reporter, 1 == canvas.getSaveCount());
|
|
|
|
}
|
2015-03-13 15:48:26 +00:00
|
|
|
|
|
|
|
DEF_TEST(Canvas_ClipEmptyPath, reporter) {
|
|
|
|
SkCanvas canvas(10, 10);
|
|
|
|
canvas.save();
|
|
|
|
SkPath path;
|
|
|
|
canvas.clipPath(path);
|
|
|
|
canvas.restore();
|
|
|
|
canvas.save();
|
|
|
|
path.moveTo(5, 5);
|
|
|
|
canvas.clipPath(path);
|
|
|
|
canvas.restore();
|
|
|
|
canvas.save();
|
|
|
|
path.moveTo(7, 7);
|
|
|
|
canvas.clipPath(path); // should not assert here
|
|
|
|
canvas.restore();
|
|
|
|
}
|
2015-08-17 15:05:13 +00:00
|
|
|
|
|
|
|
namespace {
|
|
|
|
|
|
|
|
class MockFilterCanvas : public SkPaintFilterCanvas {
|
|
|
|
public:
|
|
|
|
MockFilterCanvas(SkCanvas* canvas) : INHERITED(canvas) { }
|
|
|
|
|
|
|
|
protected:
|
2018-08-27 22:11:57 +00:00
|
|
|
bool onFilter(SkPaint&) const override { return true; }
|
2015-08-17 15:05:13 +00:00
|
|
|
|
|
|
|
private:
|
|
|
|
typedef SkPaintFilterCanvas INHERITED;
|
|
|
|
};
|
|
|
|
|
|
|
|
} // anonymous namespace
|
|
|
|
|
|
|
|
// SkPaintFilterCanvas should inherit the initial target canvas state.
|
|
|
|
DEF_TEST(PaintFilterCanvas_ConsistentState, reporter) {
|
|
|
|
SkCanvas canvas(100, 100);
|
|
|
|
canvas.clipRect(SkRect::MakeXYWH(12.7f, 12.7f, 75, 75));
|
|
|
|
canvas.scale(0.5f, 0.75f);
|
|
|
|
|
|
|
|
MockFilterCanvas filterCanvas(&canvas);
|
|
|
|
REPORTER_ASSERT(reporter, canvas.getTotalMatrix() == filterCanvas.getTotalMatrix());
|
2017-01-23 16:39:45 +00:00
|
|
|
REPORTER_ASSERT(reporter, canvas.getLocalClipBounds() == filterCanvas.getLocalClipBounds());
|
2015-08-17 15:05:13 +00:00
|
|
|
|
|
|
|
filterCanvas.clipRect(SkRect::MakeXYWH(30.5f, 30.7f, 100, 100));
|
|
|
|
filterCanvas.scale(0.75f, 0.5f);
|
|
|
|
REPORTER_ASSERT(reporter, canvas.getTotalMatrix() == filterCanvas.getTotalMatrix());
|
2017-01-23 16:39:45 +00:00
|
|
|
REPORTER_ASSERT(reporter, filterCanvas.getLocalClipBounds().contains(canvas.getLocalClipBounds()));
|
2015-08-17 15:05:13 +00:00
|
|
|
}
|
2016-07-08 15:43:27 +00:00
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
2019-05-06 19:13:30 +00:00
|
|
|
namespace {
|
|
|
|
|
2016-11-15 16:52:55 +00:00
|
|
|
// Subclass that takes a bool*, which it updates in its construct (true) and destructor (false)
|
|
|
|
// to allow the caller to know how long the object is alive.
|
|
|
|
class LifeLineCanvas : public SkCanvas {
|
|
|
|
bool* fLifeLine;
|
|
|
|
public:
|
|
|
|
LifeLineCanvas(int w, int h, bool* lifeline) : SkCanvas(w, h), fLifeLine(lifeline) {
|
|
|
|
*fLifeLine = true;
|
|
|
|
}
|
|
|
|
~LifeLineCanvas() {
|
|
|
|
*fLifeLine = false;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2019-05-06 19:13:30 +00:00
|
|
|
}
|
|
|
|
|
2016-11-15 16:52:55 +00:00
|
|
|
// Check that NWayCanvas does NOT try to manage the lifetime of its sub-canvases
|
|
|
|
DEF_TEST(NWayCanvas, r) {
|
|
|
|
const int w = 10;
|
|
|
|
const int h = 10;
|
|
|
|
bool life[2];
|
|
|
|
{
|
|
|
|
LifeLineCanvas c0(w, h, &life[0]);
|
|
|
|
REPORTER_ASSERT(r, life[0]);
|
|
|
|
}
|
|
|
|
REPORTER_ASSERT(r, !life[0]);
|
|
|
|
|
|
|
|
|
|
|
|
std::unique_ptr<SkCanvas> c0 = std::unique_ptr<SkCanvas>(new LifeLineCanvas(w, h, &life[0]));
|
|
|
|
std::unique_ptr<SkCanvas> c1 = std::unique_ptr<SkCanvas>(new LifeLineCanvas(w, h, &life[1]));
|
|
|
|
REPORTER_ASSERT(r, life[0]);
|
|
|
|
REPORTER_ASSERT(r, life[1]);
|
|
|
|
|
|
|
|
{
|
|
|
|
SkNWayCanvas nway(w, h);
|
|
|
|
nway.addCanvas(c0.get());
|
|
|
|
nway.addCanvas(c1.get());
|
|
|
|
REPORTER_ASSERT(r, life[0]);
|
|
|
|
REPORTER_ASSERT(r, life[1]);
|
|
|
|
}
|
|
|
|
// Now assert that the death of the nway has NOT also killed the sub-canvases
|
|
|
|
REPORTER_ASSERT(r, life[0]);
|
|
|
|
REPORTER_ASSERT(r, life[1]);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check that CanvasStack DOES manage the lifetime of its sub-canvases
|
|
|
|
DEF_TEST(CanvasStack, r) {
|
|
|
|
const int w = 10;
|
|
|
|
const int h = 10;
|
|
|
|
bool life[2];
|
|
|
|
std::unique_ptr<SkCanvas> c0 = std::unique_ptr<SkCanvas>(new LifeLineCanvas(w, h, &life[0]));
|
|
|
|
std::unique_ptr<SkCanvas> c1 = std::unique_ptr<SkCanvas>(new LifeLineCanvas(w, h, &life[1]));
|
|
|
|
REPORTER_ASSERT(r, life[0]);
|
|
|
|
REPORTER_ASSERT(r, life[1]);
|
|
|
|
|
|
|
|
{
|
|
|
|
SkCanvasStack stack(w, h);
|
|
|
|
stack.pushCanvas(std::move(c0), {0,0});
|
|
|
|
stack.pushCanvas(std::move(c1), {0,0});
|
|
|
|
REPORTER_ASSERT(r, life[0]);
|
|
|
|
REPORTER_ASSERT(r, life[1]);
|
|
|
|
}
|
|
|
|
// Now assert that the death of the canvasstack has also killed the sub-canvases
|
|
|
|
REPORTER_ASSERT(r, !life[0]);
|
|
|
|
REPORTER_ASSERT(r, !life[1]);
|
|
|
|
}
|
2017-03-02 20:21:11 +00:00
|
|
|
|
2017-03-03 01:07:46 +00:00
|
|
|
static void test_cliptype(SkCanvas* canvas, skiatest::Reporter* r) {
|
2017-03-02 20:21:11 +00:00
|
|
|
REPORTER_ASSERT(r, !canvas->isClipEmpty());
|
|
|
|
REPORTER_ASSERT(r, canvas->isClipRect());
|
|
|
|
|
|
|
|
canvas->save();
|
|
|
|
canvas->clipRect({0, 0, 0, 0});
|
|
|
|
REPORTER_ASSERT(r, canvas->isClipEmpty());
|
|
|
|
REPORTER_ASSERT(r, !canvas->isClipRect());
|
|
|
|
canvas->restore();
|
|
|
|
|
|
|
|
canvas->save();
|
|
|
|
canvas->clipRect({2, 2, 6, 6});
|
|
|
|
REPORTER_ASSERT(r, !canvas->isClipEmpty());
|
|
|
|
REPORTER_ASSERT(r, canvas->isClipRect());
|
|
|
|
canvas->restore();
|
|
|
|
|
|
|
|
canvas->save();
|
|
|
|
canvas->clipRect({2, 2, 6, 6}, SkClipOp::kDifference); // punch a hole in the clip
|
|
|
|
REPORTER_ASSERT(r, !canvas->isClipEmpty());
|
|
|
|
REPORTER_ASSERT(r, !canvas->isClipRect());
|
|
|
|
canvas->restore();
|
|
|
|
|
|
|
|
REPORTER_ASSERT(r, !canvas->isClipEmpty());
|
|
|
|
REPORTER_ASSERT(r, canvas->isClipRect());
|
|
|
|
}
|
2017-03-03 01:07:46 +00:00
|
|
|
|
|
|
|
DEF_TEST(CanvasClipType, r) {
|
|
|
|
// test rasterclip backend
|
|
|
|
test_cliptype(SkSurface::MakeRasterN32Premul(10, 10)->getCanvas(), r);
|
|
|
|
|
|
|
|
// test clipstack backend
|
|
|
|
SkDynamicMemoryWStream stream;
|
2018-09-07 18:33:14 +00:00
|
|
|
if (auto doc = SkPDF::MakeDocument(&stream)) {
|
2018-03-20 18:17:00 +00:00
|
|
|
test_cliptype(doc->beginPage(100, 100), r);
|
|
|
|
}
|
2017-03-03 01:07:46 +00:00
|
|
|
}
|
2017-04-11 12:46:01 +00:00
|
|
|
|
|
|
|
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
|
|
|
|
DEF_TEST(Canvas_LegacyColorBehavior, r) {
|
2019-01-04 22:03:00 +00:00
|
|
|
sk_sp<SkColorSpace> cs = SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB,
|
|
|
|
SkNamedGamut::kAdobeRGB);
|
2017-04-11 12:46:01 +00:00
|
|
|
|
|
|
|
// Make a Adobe RGB bitmap.
|
|
|
|
SkBitmap bitmap;
|
|
|
|
bitmap.allocPixels(SkImageInfo::MakeN32(1, 1, kOpaque_SkAlphaType, cs));
|
|
|
|
bitmap.eraseColor(0xFF000000);
|
|
|
|
|
|
|
|
// Wrap it in a legacy canvas. Test that the canvas behaves like a legacy canvas.
|
|
|
|
SkCanvas canvas(bitmap, SkCanvas::ColorBehavior::kLegacy);
|
|
|
|
REPORTER_ASSERT(r, !canvas.imageInfo().colorSpace());
|
|
|
|
SkPaint p;
|
|
|
|
p.setColor(SK_ColorRED);
|
|
|
|
canvas.drawIRect(SkIRect::MakeWH(1, 1), p);
|
|
|
|
REPORTER_ASSERT(r, SK_ColorRED == SkSwizzle_BGRA_to_PMColor(*bitmap.getAddr32(0, 0)));
|
|
|
|
}
|
|
|
|
#endif
|
2018-01-22 17:51:13 +00:00
|
|
|
|
|
|
|
namespace {
|
|
|
|
|
2019-08-02 13:57:04 +00:00
|
|
|
class ZeroBoundsImageFilter : public SkImageFilter_Base {
|
2018-01-22 17:51:13 +00:00
|
|
|
public:
|
|
|
|
static sk_sp<SkImageFilter> Make() { return sk_sp<SkImageFilter>(new ZeroBoundsImageFilter); }
|
|
|
|
|
|
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protected:
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2019-08-14 18:35:42 +00:00
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sk_sp<SkSpecialImage> onFilterImage(const Context&, SkIPoint*) const override {
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2018-01-22 17:51:13 +00:00
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return nullptr;
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}
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2018-05-17 15:17:39 +00:00
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SkIRect onFilterNodeBounds(const SkIRect&, const SkMatrix&,
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MapDirection, const SkIRect* inputRect) const override {
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2018-01-22 17:51:13 +00:00
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return SkIRect::MakeEmpty();
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}
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private:
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2018-10-18 21:27:16 +00:00
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SK_FLATTENABLE_HOOKS(ZeroBoundsImageFilter)
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2018-01-22 17:51:13 +00:00
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ZeroBoundsImageFilter() : INHERITED(nullptr, 0, nullptr) {}
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2019-08-02 13:57:04 +00:00
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typedef SkImageFilter_Base INHERITED;
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2018-01-22 17:51:13 +00:00
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};
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sk_sp<SkFlattenable> ZeroBoundsImageFilter::CreateProc(SkReadBuffer& buffer) {
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SkDEBUGFAIL("Should never get here");
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return nullptr;
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}
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} // anonymous namespace
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DEF_TEST(Canvas_SaveLayerWithNullBoundsAndZeroBoundsImageFilter, r) {
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SkCanvas canvas(10, 10);
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SkPaint p;
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p.setImageFilter(ZeroBoundsImageFilter::Make());
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// This should not fail any assert.
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canvas.saveLayer(nullptr, &p);
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REPORTER_ASSERT(r, canvas.getDeviceClipBounds().isEmpty());
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canvas.restore();
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}
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2018-04-13 19:34:16 +00:00
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// Test that we don't crash/assert when building a canvas with degenerate coordintes
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// (esp. big ones, that might invoke tiling).
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DEF_TEST(Canvas_degenerate_dimension, reporter) {
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// Need a paint that will sneak us past the quickReject in SkCanvas, so we can test the
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// raster code further downstream.
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SkPaint paint;
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2019-08-05 14:41:10 +00:00
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paint.setImageFilter(SkImageFilters::Paint(SkPaint(), nullptr));
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2018-04-13 19:34:16 +00:00
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REPORTER_ASSERT(reporter, !paint.canComputeFastBounds());
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const int big = 100 * 1024; // big enough to definitely trigger tiling
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const SkISize sizes[] {SkISize{0, big}, {big, 0}, {0, 0}};
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for (SkISize size : sizes) {
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SkBitmap bm;
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bm.setInfo(SkImageInfo::MakeN32Premul(size.width(), size.height()));
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SkCanvas canvas(bm);
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canvas.drawRect({0, 0, 100, 90*1024}, paint);
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}
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}
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|
2018-04-20 14:27:27 +00:00
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DEF_TEST(Canvas_ClippedOutImageFilter, reporter) {
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SkCanvas canvas(100, 100);
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SkPaint p;
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p.setColor(SK_ColorGREEN);
|
2019-08-05 14:41:10 +00:00
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p.setImageFilter(SkImageFilters::Blur(3.0f, 3.0f, nullptr, nullptr));
|
2018-04-20 14:27:27 +00:00
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SkRect blurredRect = SkRect::MakeXYWH(60, 10, 30, 30);
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SkMatrix invM;
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invM.setRotate(-45);
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invM.mapRect(&blurredRect);
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const SkRect clipRect = SkRect::MakeXYWH(0, 50, 50, 50);
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canvas.clipRect(clipRect);
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canvas.rotate(45);
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const SkMatrix preCTM = canvas.getTotalMatrix();
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canvas.drawRect(blurredRect, p);
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const SkMatrix postCTM = canvas.getTotalMatrix();
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REPORTER_ASSERT(reporter, preCTM == postCTM);
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}
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|
2020-04-09 16:35:09 +00:00
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|
DEF_TEST(canvas_markctm, reporter) {
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|
SkCanvas canvas(10, 10);
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|
|
SkM44 m;
|
2020-04-24 16:02:25 +00:00
|
|
|
const char* id_a = "a";
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const char* id_b = "b";
|
2020-04-09 16:35:09 +00:00
|
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|
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|
|
REPORTER_ASSERT(reporter, !canvas.findMarkedCTM(id_a, nullptr));
|
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|
REPORTER_ASSERT(reporter, !canvas.findMarkedCTM(id_b, nullptr));
|
|
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|
// remember the starting state
|
|
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|
SkM44 b = canvas.getLocalToDevice();
|
|
|
|
canvas.markCTM(id_b);
|
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|
|
// test add
|
|
|
|
canvas.concat(SkM44::Scale(2, 4, 6));
|
|
|
|
SkM44 a = canvas.getLocalToDevice();
|
|
|
|
canvas.markCTM(id_a);
|
|
|
|
REPORTER_ASSERT(reporter, canvas.findMarkedCTM(id_a, &m) && m == a);
|
|
|
|
|
|
|
|
// test replace
|
|
|
|
canvas.translate(1, 2);
|
|
|
|
SkM44 a1 = canvas.getLocalToDevice();
|
|
|
|
SkASSERT(a != a1);
|
|
|
|
canvas.markCTM(id_a);
|
|
|
|
REPORTER_ASSERT(reporter, canvas.findMarkedCTM(id_a, &m) && m == a1);
|
|
|
|
|
|
|
|
// test nested
|
|
|
|
canvas.save();
|
|
|
|
// no change
|
|
|
|
REPORTER_ASSERT(reporter, canvas.findMarkedCTM(id_b, &m) && m == b);
|
|
|
|
REPORTER_ASSERT(reporter, canvas.findMarkedCTM(id_a, &m) && m == a1);
|
|
|
|
canvas.translate(2, 3);
|
|
|
|
SkM44 a2 = canvas.getLocalToDevice();
|
|
|
|
SkASSERT(a2 != a1);
|
|
|
|
canvas.markCTM(id_a);
|
|
|
|
// found the new one
|
|
|
|
REPORTER_ASSERT(reporter, canvas.findMarkedCTM(id_a, &m) && m == a2);
|
|
|
|
canvas.restore();
|
|
|
|
// found the previous one
|
|
|
|
REPORTER_ASSERT(reporter, canvas.findMarkedCTM(id_a, &m) && m == a1);
|
|
|
|
}
|