xref: /aosp_15_r20/external/skia/src/pdf/SkPDFBitmap.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2015 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker #ifndef SkPDFBitmap_DEFINED
8*c8dee2aaSAndroid Build Coastguard Worker #define SkPDFBitmap_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker 
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkData.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "src/core/SkChecksum.h"
13*c8dee2aaSAndroid Build Coastguard Worker 
14*c8dee2aaSAndroid Build Coastguard Worker #include <cstdint>
15*c8dee2aaSAndroid Build Coastguard Worker 
16*c8dee2aaSAndroid Build Coastguard Worker class SkCodec;
17*c8dee2aaSAndroid Build Coastguard Worker class SkImage;
18*c8dee2aaSAndroid Build Coastguard Worker class SkPDFDocument;
19*c8dee2aaSAndroid Build Coastguard Worker struct SkEncodedInfo;
20*c8dee2aaSAndroid Build Coastguard Worker struct SkPDFIndirectReference;
21*c8dee2aaSAndroid Build Coastguard Worker 
22*c8dee2aaSAndroid Build Coastguard Worker /**
23*c8dee2aaSAndroid Build Coastguard Worker  * Serialize a SkImage as an Image Xobject.
24*c8dee2aaSAndroid Build Coastguard Worker  *  quality > 100 means lossless
25*c8dee2aaSAndroid Build Coastguard Worker  */
26*c8dee2aaSAndroid Build Coastguard Worker SkPDFIndirectReference SkPDFSerializeImage(const SkImage* img,
27*c8dee2aaSAndroid Build Coastguard Worker                                            SkPDFDocument* doc,
28*c8dee2aaSAndroid Build Coastguard Worker                                            int encodingQuality = 101);
29*c8dee2aaSAndroid Build Coastguard Worker 
30*c8dee2aaSAndroid Build Coastguard Worker class SkPDFBitmap {
31*c8dee2aaSAndroid Build Coastguard Worker public:
32*c8dee2aaSAndroid Build Coastguard Worker     static const SkEncodedInfo& GetEncodedInfo(SkCodec&);
33*c8dee2aaSAndroid Build Coastguard Worker };
34*c8dee2aaSAndroid Build Coastguard Worker 
35*c8dee2aaSAndroid Build Coastguard Worker struct SkPDFIccProfileKey {
36*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkData> fData;
37*c8dee2aaSAndroid Build Coastguard Worker     int fChannels;
38*c8dee2aaSAndroid Build Coastguard Worker     bool operator==(const SkPDFIccProfileKey& that) const {
39*c8dee2aaSAndroid Build Coastguard Worker         return fChannels == that.fChannels && fData->equals(that.fData.get());
40*c8dee2aaSAndroid Build Coastguard Worker     }
41*c8dee2aaSAndroid Build Coastguard Worker     bool operator!=(const SkPDFIccProfileKey& rhs) const { return !(*this == rhs); }
42*c8dee2aaSAndroid Build Coastguard Worker 
43*c8dee2aaSAndroid Build Coastguard Worker     struct Hash {
operatorSkPDFIccProfileKey::Hash44*c8dee2aaSAndroid Build Coastguard Worker         uint32_t operator()(const SkPDFIccProfileKey& k) const {
45*c8dee2aaSAndroid Build Coastguard Worker             return SkGoodHash()(k.fChannels) ^ SkChecksum::Hash32(k.fData->data(), k.fData->size());
46*c8dee2aaSAndroid Build Coastguard Worker         }
47*c8dee2aaSAndroid Build Coastguard Worker     };
48*c8dee2aaSAndroid Build Coastguard Worker };
49*c8dee2aaSAndroid Build Coastguard Worker 
50*c8dee2aaSAndroid Build Coastguard Worker #endif  // SkPDFBitmap_DEFINED
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