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      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.
     17 static void testDrawingBadBitmap(SkCanvas* pipeCanvas) {
     18     SkBitmap badBitmap;
     19     badBitmap.setInfo(SkImageInfo::MakeUnknown(5, 5));
     20     pipeCanvas->drawBitmap(badBitmap, 0, 0);
     21 }
     22 
     23 // Ensure that pipe gracefully handles attempting to draw after endRecording is called on the
     24 // SkGPipeWriter.
     25 static void testDrawingAfterEndRecording(SkCanvas* canvas) {
     26     PipeController pc(canvas);
     27     SkGPipeWriter writer;
     28     SkCanvas* pipeCanvas = writer.startRecording(&pc, SkGPipeWriter::kCrossProcess_Flag);
     29     writer.endRecording();
     30 
     31     SkBitmap bm;
     32     bm.allocN32Pixels(2, 2);
     33     bm.eraseColor(SK_ColorTRANSPARENT);
     34 
     35     SkShader* shader = SkShader::CreateBitmapShader(bm, SkShader::kClamp_TileMode,
     36                                                     SkShader::kClamp_TileMode);
     37     SkPaint paint;
     38     paint.setShader(shader)->unref();
     39     pipeCanvas->drawPaint(paint);
     40 
     41     pipeCanvas->drawBitmap(bm, 0, 0);
     42 }
     43 
     44 DEF_TEST(Pipe, reporter) {
     45     SkBitmap bitmap;
     46     bitmap.setInfo(SkImageInfo::MakeN32Premul(64, 64));
     47     SkCanvas canvas(bitmap);
     48 
     49     PipeController pipeController(&canvas);
     50     SkGPipeWriter writer;
     51     SkCanvas* pipeCanvas = writer.startRecording(&pipeController);
     52     testDrawingBadBitmap(pipeCanvas);
     53     writer.endRecording();
     54 
     55     testDrawingAfterEndRecording(&canvas);
     56 }
     57