PipeTest.cpp revision d0f824cfbd8951bb948b19d7ff5dce028ce557a5 
1/*
2 * Copyright 2012 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "SamplePipeControllers.h"
9#include "SkBitmap.h"
10#include "SkCanvas.h"
11#include "SkGPipe.h"
12#include "SkPaint.h"
13#include "SkShader.h"
14#include "Test.h"
15
16// Ensures that the pipe gracefully handles drawing an invalid bitmap.
17static void testDrawingBadBitmap(SkCanvas* pipeCanvas) {
18    SkBitmap badBitmap;
19    badBitmap.setConfig(SkImageInfo::Make(5, 5, kUnknown_SkColorType,
20                                          kPremul_SkAlphaType));
21    pipeCanvas->drawBitmap(badBitmap, 0, 0);
22}
23
24// Ensure that pipe gracefully handles attempting to draw after endRecording is called on the
25// SkGPipeWriter.
26static void testDrawingAfterEndRecording(SkCanvas* canvas) {
27    PipeController pc(canvas);
28    SkGPipeWriter writer;
29    SkCanvas* pipeCanvas = writer.startRecording(&pc, SkGPipeWriter::kCrossProcess_Flag);
30    writer.endRecording();
31
32    SkBitmap bm;
33    bm.allocN32Pixels(2, 2);
34    bm.eraseColor(SK_ColorTRANSPARENT);
35
36    SkShader* shader = SkShader::CreateBitmapShader(bm, SkShader::kClamp_TileMode,
37                                                    SkShader::kClamp_TileMode);
38    SkPaint paint;
39    paint.setShader(shader)->unref();
40    pipeCanvas->drawPaint(paint);
41
42    pipeCanvas->drawBitmap(bm, 0, 0);
43}
44
45DEF_TEST(Pipe, reporter) {
46    SkBitmap bitmap;
47    bitmap.setConfig(SkImageInfo::MakeN32Premul(64, 64));
48    SkCanvas canvas(bitmap);
49
50    PipeController pipeController(&canvas);
51    SkGPipeWriter writer;
52    SkCanvas* pipeCanvas = writer.startRecording(&pipeController);
53    testDrawingBadBitmap(pipeCanvas);
54    writer.endRecording();
55
56    testDrawingAfterEndRecording(&canvas);
57}
58