1
2 /*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 #include "SkTypes.h"
11
12 #include "SkSnapshot.h"
13 #include "SkAnimateMaker.h"
14 #include "SkCanvas.h"
15 #include "SkImageEncoder.h"
16
17 #if SK_USE_CONDENSED_INFO == 0
18
19 const SkMemberInfo SkSnapshot::fInfo[] = {
20 SK_MEMBER(filename, String),
21 SK_MEMBER(quality, Float),
22 SK_MEMBER(sequence, Boolean),
23 SK_MEMBER(type, BitmapEncoding)
24 };
25
26 #endif
27
28 DEFINE_GET_MEMBER(SkSnapshot);
29
SkSnapshot()30 SkSnapshot::SkSnapshot()
31 {
32 quality = 100 * SK_Scalar1;
33 type = (SkImageEncoder::Type) -1;
34 sequence = false;
35 fSeqVal = 0;
36 }
37
38 #include "SkDevice.h"
39
draw(SkAnimateMaker & maker)40 bool SkSnapshot::draw(SkAnimateMaker& maker) {
41 SkASSERT(type >= 0);
42 SkASSERT(filename.size() > 0);
43 SkImageEncoder* encoder = SkImageEncoder::Create((SkImageEncoder::Type) type);
44 if (!encoder) {
45 return false;
46 }
47 SkAutoTDelete<SkImageEncoder> ad(encoder);
48
49 SkString name(filename);
50 if (sequence) {
51 char num[4] = "000";
52 num[0] = (char) (num[0] + fSeqVal / 100);
53 num[1] = (char) (num[1] + fSeqVal / 10 % 10);
54 num[2] = (char) (num[2] + fSeqVal % 10);
55 name.append(num);
56 if (++fSeqVal > 999)
57 sequence = false;
58 }
59 if (type == SkImageEncoder::kJPEG_Type)
60 name.append(".jpg");
61 else if (type == SkImageEncoder::kPNG_Type)
62 name.append(".png");
63
64 SkBitmap pixels;
65 pixels.allocPixels(maker.fCanvas->imageInfo());
66 maker.fCanvas->readPixels(&pixels, 0, 0);
67 encoder->encodeFile(name.c_str(), pixels, SkScalarFloorToInt(quality));
68 return false;
69 }
70