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 "GrSurface.h" 9 10 #include "SkBitmap.h" 11 #include "SkGr.h" 12 #include "SkImageEncoder.h" 13 #include <stdio.h> 14 15 SkImageInfo GrSurface::info() const { 16 SkColorType colorType; 17 if (!GrPixelConfig2ColorType(this->config(), &colorType)) { 18 sk_throw(); 19 } 20 return SkImageInfo::Make(this->width(), this->height(), colorType, kPremul_SkAlphaType); 21 } 22 23 bool GrSurface::savePixels(const char* filename) { 24 SkBitmap bm; 25 if (!bm.tryAllocPixels(SkImageInfo::MakeN32Premul(this->width(), this->height()))) { 26 return false; 27 } 28 29 bool result = readPixels(0, 0, this->width(), this->height(), kSkia8888_GrPixelConfig, 30 bm.getPixels()); 31 if (!result) { 32 SkDebugf("------ failed to read pixels for %s\n", filename); 33 return false; 34 } 35 36 // remove any previous version of this file 37 remove(filename); 38 39 if (!SkImageEncoder::EncodeFile(filename, bm, SkImageEncoder::kPNG_Type, 100)) { 40 SkDebugf("------ failed to encode %s\n", filename); 41 remove(filename); // remove any partial file 42 return false; 43 } 44 45 return true; 46 } 47 48 bool GrSurface::hasPendingRead() const { 49 const GrTexture* thisTex = this->asTexture(); 50 if (thisTex && thisTex->internalHasPendingRead()) { 51 return true; 52 } 53 const GrRenderTarget* thisRT = this->asRenderTarget(); 54 if (thisRT && thisRT->internalHasPendingRead()) { 55 return true; 56 } 57 return false; 58 } 59 60 bool GrSurface::hasPendingWrite() const { 61 const GrTexture* thisTex = this->asTexture(); 62 if (thisTex && thisTex->internalHasPendingWrite()) { 63 return true; 64 } 65 const GrRenderTarget* thisRT = this->asRenderTarget(); 66 if (thisRT && thisRT->internalHasPendingWrite()) { 67 return true; 68 } 69 return false; 70 } 71 72 bool GrSurface::hasPendingIO() const { 73 const GrTexture* thisTex = this->asTexture(); 74 if (thisTex && thisTex->internalHasPendingIO()) { 75 return true; 76 } 77 const GrRenderTarget* thisRT = this->asRenderTarget(); 78 if (thisRT && thisRT->internalHasPendingIO()) { 79 return true; 80 } 81 return false; 82 } 83
