skia2/tests/PipeTest.cpp

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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SamplePipeControllers.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkGPipe.h"
#include "SkPaint.h"
#include "SkShader.h"
#include "Test.h"
// Ensures that the pipe gracefully handles drawing an invalid bitmap.
static void testDrawingBadBitmap(SkCanvas* pipeCanvas) {
SkBitmap badBitmap;
badBitmap.setInfo(SkImageInfo::MakeUnknown(5, 5));
pipeCanvas->drawBitmap(badBitmap, 0, 0);
}
// Ensure that pipe gracefully handles attempting to draw after endRecording is called on the
// SkGPipeWriter.
static void testDrawingAfterEndRecording(SkCanvas* canvas) {
PipeController pc(canvas);
SkGPipeWriter writer;
SkCanvas* pipeCanvas = writer.startRecording(&pc, SkGPipeWriter::kCrossProcess_Flag);
writer.endRecording();
SkBitmap bm;
bm.allocN32Pixels(2, 2);
bm.eraseColor(SK_ColorTRANSPARENT);
SkShader* shader = SkShader::CreateBitmapShader(bm, SkShader::kClamp_TileMode,
SkShader::kClamp_TileMode);
SkPaint paint;
paint.setShader(shader)->unref();
pipeCanvas->drawPaint(paint);
pipeCanvas->drawBitmap(bm, 0, 0);
}
DEF_TEST(Pipe, reporter) {
SkBitmap bitmap;
bitmap.setInfo(SkImageInfo::MakeN32Premul(64, 64));
SkCanvas canvas(bitmap);
PipeController pipeController(&canvas);
SkGPipeWriter writer;
SkCanvas* pipeCanvas = writer.startRecording(&pipeController);
testDrawingBadBitmap(pipeCanvas);
writer.endRecording();
testDrawingAfterEndRecording(&canvas);
}