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Side by Side Diff: src/images/SkImageDecoder_libbmp.cpp

Issue 1018953003: Add SkEncodedFormat, used by SkCodec. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Use a common enum for SkImageEncoder and SkImageDecoder and SkCodec Created 5 years, 9 months ago
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1 1
2 /* 2 /*
3 * Copyright 2007 The Android Open Source Project 3 * Copyright 2007 The Android Open Source Project
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #include "bmpdecoderhelper.h" 10 #include "bmpdecoderhelper.h"
11 #include "SkColorPriv.h" 11 #include "SkColorPriv.h"
12 #include "SkImageDecoder.h" 12 #include "SkImageDecoder.h"
13 #include "SkScaledBitmapSampler.h" 13 #include "SkScaledBitmapSampler.h"
14 #include "SkStream.h" 14 #include "SkStream.h"
15 #include "SkStreamPriv.h" 15 #include "SkStreamPriv.h"
16 #include "SkTDArray.h" 16 #include "SkTDArray.h"
17 17
18 class SkBMPImageDecoder : public SkImageDecoder { 18 class SkBMPImageDecoder : public SkImageDecoder {
19 public: 19 public:
20 SkBMPImageDecoder() {} 20 SkBMPImageDecoder() {}
21 21
22 Format getFormat() const SK_OVERRIDE { 22 SkEncodedFormat getFormat() const SK_OVERRIDE {
23 return kBMP_Format; 23 return kBMP_SkEncodedFormat;
24 } 24 }
25 25
26 protected: 26 protected:
27 Result onDecode(SkStream* stream, SkBitmap* bm, Mode mode) SK_OVERRIDE; 27 Result onDecode(SkStream* stream, SkBitmap* bm, Mode mode) SK_OVERRIDE;
28 28
29 private: 29 private:
30 typedef SkImageDecoder INHERITED; 30 typedef SkImageDecoder INHERITED;
31 }; 31 };
32 32
33 /////////////////////////////////////////////////////////////////////////////// 33 ///////////////////////////////////////////////////////////////////////////////
(...skipping 12 matching lines...) Expand all
46 46
47 static SkImageDecoder* sk_libbmp_dfactory(SkStreamRewindable* stream) { 47 static SkImageDecoder* sk_libbmp_dfactory(SkStreamRewindable* stream) {
48 if (is_bmp(stream)) { 48 if (is_bmp(stream)) {
49 return SkNEW(SkBMPImageDecoder); 49 return SkNEW(SkBMPImageDecoder);
50 } 50 }
51 return NULL; 51 return NULL;
52 } 52 }
53 53
54 static SkImageDecoder_DecodeReg gReg(sk_libbmp_dfactory); 54 static SkImageDecoder_DecodeReg gReg(sk_libbmp_dfactory);
55 55
56 static SkImageDecoder::Format get_format_bmp(SkStreamRewindable* stream) { 56 static SkEncodedFormat get_format_bmp(SkStreamRewindable* stream) {
57 if (is_bmp(stream)) { 57 if (is_bmp(stream)) {
58 return SkImageDecoder::kBMP_Format; 58 return kBMP_SkEncodedFormat;
59 } 59 }
60 return SkImageDecoder::kUnknown_Format; 60 return kUnknown_SkEncodedFormat;
61 } 61 }
62 62
63 static SkImageDecoder_FormatReg gFormatReg(get_format_bmp); 63 static SkImageDecoder_FormatReg gFormatReg(get_format_bmp);
64 64
65 /////////////////////////////////////////////////////////////////////////////// 65 ///////////////////////////////////////////////////////////////////////////////
66 66
67 class SkBmpDecoderCallback : public image_codec::BmpDecoderCallback { 67 class SkBmpDecoderCallback : public image_codec::BmpDecoderCallback {
68 public: 68 public:
69 // we don't copy the bitmap, just remember the pointer 69 // we don't copy the bitmap, just remember the pointer
70 SkBmpDecoderCallback(bool justBounds) : fJustBounds(justBounds) {} 70 SkBmpDecoderCallback(bool justBounds) : fJustBounds(justBounds) {}
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after
153 const int dstHeight = sampler.scaledHeight(); 153 const int dstHeight = sampler.scaledHeight();
154 const uint8_t* srcRow = callback.rgb(); 154 const uint8_t* srcRow = callback.rgb();
155 155
156 srcRow += sampler.srcY0() * srcRowBytes; 156 srcRow += sampler.srcY0() * srcRowBytes;
157 for (int y = 0; y < dstHeight; y++) { 157 for (int y = 0; y < dstHeight; y++) {
158 sampler.next(srcRow); 158 sampler.next(srcRow);
159 srcRow += sampler.srcDY() * srcRowBytes; 159 srcRow += sampler.srcDY() * srcRowBytes;
160 } 160 }
161 return kSuccess; 161 return kSuccess;
162 } 162 }
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