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 SkImageInfo info; 17 if (!GrPixelConfig2ColorType(this->config(), &info.fColorType)) { 18 sk_throw(); 19 } 20 info.fWidth = this->width(); 21 info.fHeight = this->height(); 22 info.fAlphaType = kPremul_SkAlphaType; 23 return info; 24 } 25 26 bool GrSurface::savePixels(const char* filename) { 27 SkBitmap bm; 28 if (!bm.allocPixels(SkImageInfo::MakeN32Premul(this->width(), 29 this->height()))) { 30 return false; 31 } 32 33 bool result = readPixels(0, 0, this->width(), this->height(), kSkia8888_GrPixelConfig, 34 bm.getPixels()); 35 if (!result) { 36 SkDebugf("------ failed to read pixels for %s\n", filename); 37 return false; 38 } 39 40 // remove any previous version of this file 41 remove(filename); 42 43 if (!SkImageEncoder::EncodeFile(filename, bm, SkImageEncoder::kPNG_Type, 100)) { 44 SkDebugf("------ failed to encode %s\n", filename); 45 remove(filename); // remove any partial file 46 return false; 47 } 48 49 return true; 50 } 51
