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
info() const15 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
savePixels(const char * filename)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