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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkTypes.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrContextFactory.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkColor.h"
#include "SkPaint.h"
#include "SkPath.h"
#include "SkDashPathEffect.h"
#include "SkRRect.h"
#include "SkRect.h"
#include "SkSurface.h"
#include "Test.h"
static void test_drawPathEmpty(skiatest::Reporter*, SkCanvas* canvas) {
// Filling an empty path should not crash.
SkPaint paint;
SkRect emptyRect = SkRect::MakeEmpty();
canvas->drawRect(emptyRect, paint);
canvas->drawPath(SkPath(), paint);
canvas->drawOval(emptyRect, paint);
canvas->drawRect(emptyRect, paint);
canvas->drawRRect(SkRRect::MakeRect(emptyRect), paint);
// Stroking an empty path should not crash.
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setColor(SK_ColorGRAY);
paint.setStrokeWidth(SkIntToScalar(20));
paint.setStrokeJoin(SkPaint::kRound_Join);
canvas->drawRect(emptyRect, paint);
canvas->drawPath(SkPath(), paint);
canvas->drawOval(emptyRect, paint);
canvas->drawRect(emptyRect, paint);
canvas->drawRRect(SkRRect::MakeRect(emptyRect), paint);
}
static void fill_and_stroke(SkCanvas* canvas, const SkPath& p1, const SkPath& p2,
SkPathEffect* effect) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setPathEffect(effect);
canvas->drawPath(p1, paint);
canvas->drawPath(p2, paint);
paint.setStyle(SkPaint::kStroke_Style);
canvas->drawPath(p1, paint);
canvas->drawPath(p2, paint);
}
static void test_drawSameRectOvals(skiatest::Reporter*, SkCanvas* canvas) {
// Drawing ovals with similar bounds but different points order should not crash.
SkPath oval1, oval2;
const SkRect rect = SkRect::MakeWH(100, 50);
oval1.addOval(rect, SkPath::kCW_Direction);
oval2.addOval(rect, SkPath::kCCW_Direction);
fill_and_stroke(canvas, oval1, oval2, nullptr);
const SkScalar intervals[] = { 1, 1 };
SkAutoTUnref<SkPathEffect> dashEffect(SkDashPathEffect::Create(intervals, 2, 0));
fill_and_stroke(canvas, oval1, oval2, dashEffect);
}
DEF_GPUTEST(GpuDrawPath, reporter, factory) {
for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type);
GrContext* grContext = factory->get(glType);
if (nullptr == grContext) {
continue;
}
static const int sampleCounts[] = { 0, 4, 16 };
for (size_t i = 0; i < SK_ARRAY_COUNT(sampleCounts); ++i) {
SkImageInfo info = SkImageInfo::MakeN32Premul(255, 255);
SkAutoTUnref<SkSurface> surface(
SkSurface::NewRenderTarget(grContext, SkSurface::kNo_Budgeted, info,
sampleCounts[i], nullptr));
test_drawPathEmpty(reporter, surface->getCanvas());
test_drawSameRectOvals(reporter, surface->getCanvas());
}
}
}
#endif
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