55edb50262
Bug: skia:9280 Change-Id: Id8253baa6ca387b6f2f0583f29b2c25cc1005545 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230880 Commit-Queue: Michael Ludwig <michaelludwig@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com>
125 lines
4.7 KiB
C++
125 lines
4.7 KiB
C++
/*
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* Copyright 2011 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/SkPoint3.h"
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#include "include/core/SkTypes.h"
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#include "include/effects/SkImageFilters.h"
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#include "src/core/SkArenaAlloc.h"
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#include "tests/Test.h"
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static void test_drawBitmap(skiatest::Reporter* reporter) {
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SkBitmap src;
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src.allocN32Pixels(10, 10);
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src.eraseColor(SK_ColorWHITE);
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SkBitmap dst;
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dst.allocN32Pixels(10, 10);
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dst.eraseColor(SK_ColorTRANSPARENT);
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SkCanvas canvas(dst);
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SkPaint paint;
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// we are initially transparent
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REPORTER_ASSERT(reporter, 0 == *dst.getAddr32(5, 5));
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// we see the bitmap drawn
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canvas.drawBitmap(src, 0, 0, &paint);
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REPORTER_ASSERT(reporter, 0xFFFFFFFF == *dst.getAddr32(5, 5));
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// reverify we are clear again
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dst.eraseColor(SK_ColorTRANSPARENT);
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REPORTER_ASSERT(reporter, 0 == *dst.getAddr32(5, 5));
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// if the bitmap is clipped out, we don't draw it
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canvas.drawBitmap(src, SkIntToScalar(-10), 0, &paint);
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REPORTER_ASSERT(reporter, 0 == *dst.getAddr32(5, 5));
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}
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static void test_layers(skiatest::Reporter* reporter) {
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SkCanvas canvas(100, 100);
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SkRect r = SkRect::MakeWH(10, 10);
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REPORTER_ASSERT(reporter, false == canvas.quickReject(r));
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r.offset(300, 300);
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r));
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// Test that saveLayer updates quickReject
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SkRect bounds = SkRect::MakeLTRB(50, 50, 70, 70);
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canvas.saveLayer(&bounds, nullptr);
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REPORTER_ASSERT(reporter, true == canvas.quickReject(SkRect::MakeWH(10, 10)));
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REPORTER_ASSERT(reporter, false == canvas.quickReject(SkRect::MakeWH(60, 60)));
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}
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static void test_quick_reject(skiatest::Reporter* reporter) {
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SkCanvas canvas(100, 100);
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SkRect r0 = SkRect::MakeLTRB(-50.0f, -50.0f, 50.0f, 50.0f);
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SkRect r1 = SkRect::MakeLTRB(-50.0f, 110.0f, 50.0f, 120.0f);
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SkRect r2 = SkRect::MakeLTRB(110.0f, -50.0f, 120.0f, 50.0f);
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SkRect r3 = SkRect::MakeLTRB(-120.0f, -50.0f, 120.0f, 50.0f);
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SkRect r4 = SkRect::MakeLTRB(-50.0f, -120.0f, 50.0f, 120.0f);
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SkRect r5 = SkRect::MakeLTRB(-120.0f, -120.0f, 120.0f, 120.0f);
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SkRect r6 = SkRect::MakeLTRB(-120.0f, -120.0f, -110.0f, -110.0f);
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SkRect r7 = SkRect::MakeLTRB(SK_ScalarNaN, -50.0f, 50.0f, 50.0f);
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SkRect r8 = SkRect::MakeLTRB(-50.0f, SK_ScalarNaN, 50.0f, 50.0f);
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SkRect r9 = SkRect::MakeLTRB(-50.0f, -50.0f, SK_ScalarNaN, 50.0f);
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SkRect r10 = SkRect::MakeLTRB(-50.0f, -50.0f, 50.0f, SK_ScalarNaN);
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REPORTER_ASSERT(reporter, false == canvas.quickReject(r0));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r1));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r2));
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REPORTER_ASSERT(reporter, false == canvas.quickReject(r3));
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REPORTER_ASSERT(reporter, false == canvas.quickReject(r4));
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REPORTER_ASSERT(reporter, false == canvas.quickReject(r5));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r6));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r7));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r8));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r9));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r10));
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SkMatrix m = SkMatrix::MakeScale(2.0f);
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m.setTranslateX(10.0f);
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m.setTranslateY(10.0f);
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canvas.setMatrix(m);
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SkRect r11 = SkRect::MakeLTRB(5.0f, 5.0f, 100.0f, 100.0f);
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SkRect r12 = SkRect::MakeLTRB(5.0f, 50.0f, 100.0f, 100.0f);
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SkRect r13 = SkRect::MakeLTRB(50.0f, 5.0f, 100.0f, 100.0f);
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REPORTER_ASSERT(reporter, false == canvas.quickReject(r11));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r12));
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REPORTER_ASSERT(reporter, true == canvas.quickReject(r13));
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}
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DEF_TEST(QuickReject, reporter) {
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test_drawBitmap(reporter);
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test_layers(reporter);
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test_quick_reject(reporter);
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}
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// Regression test to make sure that we keep fIsScaleTranslate up to date on the canvas.
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// It is possible to set a new matrix on the canvas without calling setMatrix(). This tests
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// that code path.
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DEF_TEST(QuickReject_MatrixState, reporter) {
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SkCanvas canvas(100, 100);
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SkMatrix matrix;
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matrix.setRotate(45.0f);
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canvas.setMatrix(matrix);
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SkPaint paint;
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sk_sp<SkImageFilter> filter = SkImageFilters::DistantLitDiffuse(
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SkPoint3::Make(1.0f, 1.0f, 1.0f), 0xFF0000FF, 2.0f, 0.5f, nullptr);
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REPORTER_ASSERT(reporter, filter);
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paint.setImageFilter(filter);
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SkCanvas::SaveLayerRec rec;
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rec.fPaint = &paint;
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canvas.saveLayer(rec);
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// quickReject() will assert if the matrix is out of sync.
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canvas.quickReject(SkRect::MakeWH(100.0f, 100.0f));
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}
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