michael@0: /*
michael@0:  * Copyright 2012 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #include "GrSurface.h"
michael@0: 
michael@0: #include "SkBitmap.h"
michael@0: #include "SkGr.h"
michael@0: #include "SkImageEncoder.h"
michael@0: #include <stdio.h>
michael@0: 
michael@0: void GrSurface::asImageInfo(SkImageInfo* info) const {
michael@0:     if (!GrPixelConfig2ColorType(this->config(), &info->fColorType)) {
michael@0:         sk_throw();
michael@0:     }
michael@0:     info->fWidth = this->width();
michael@0:     info->fHeight = this->height();
michael@0:     info->fAlphaType = kPremul_SkAlphaType;
michael@0: }
michael@0: 
michael@0: bool GrSurface::savePixels(const char* filename) {
michael@0:     SkBitmap bm;
michael@0:     if (!bm.allocPixels(SkImageInfo::MakeN32Premul(this->width(),
michael@0:                                                    this->height()))) {
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     bool result = readPixels(0, 0, this->width(), this->height(), kSkia8888_GrPixelConfig,
michael@0:                              bm.getPixels());
michael@0:     if (!result) {
michael@0:         SkDebugf("------ failed to read pixels for %s\n", filename);
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     // remove any previous version of this file
michael@0:     remove(filename);
michael@0: 
michael@0:     if (!SkImageEncoder::EncodeFile(filename, bm, SkImageEncoder::kPNG_Type, 100)) {
michael@0:         SkDebugf("------ failed to encode %s\n", filename);
michael@0:         remove(filename);   // remove any partial file
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     return true;
michael@0: }