1 | /* |
2 | * Copyright 2018 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 | #ifndef SkPicturePriv_DEFINED |
9 | #define SkPicturePriv_DEFINED |
10 | |
11 | #include "include/core/SkPicture.h" |
12 | |
13 | class SkReadBuffer; |
14 | class SkWriteBuffer; |
15 | |
16 | class SkPicturePriv { |
17 | public: |
18 | /** |
19 | * Recreate a picture that was serialized into a buffer. If the creation requires bitmap |
20 | * decoding, the decoder must be set on the SkReadBuffer parameter by calling |
21 | * SkReadBuffer::setBitmapDecoder() before calling SkPicture::MakeFromBuffer(). |
22 | * @param buffer Serialized picture data. |
23 | * @return A new SkPicture representing the serialized data, or NULL if the buffer is |
24 | * invalid. |
25 | */ |
26 | static sk_sp<SkPicture> MakeFromBuffer(SkReadBuffer& buffer); |
27 | |
28 | /** |
29 | * Serialize to a buffer. |
30 | */ |
31 | static void Flatten(const sk_sp<const SkPicture> , SkWriteBuffer& buffer); |
32 | |
33 | // Returns NULL if this is not an SkBigPicture. |
34 | static const SkBigPicture* AsSkBigPicture(const sk_sp<const SkPicture> picture) { |
35 | return picture->asSkBigPicture(); |
36 | } |
37 | |
38 | // V35: Store SkRect (rather then width & height) in header |
39 | // V36: Remove (obsolete) alphatype from SkColorTable |
40 | // V37: Added shadow only option to SkDropShadowImageFilter (last version to record CLEAR) |
41 | // V38: Added PictureResolution option to SkPictureImageFilter |
42 | // V39: Added FilterLevel option to SkPictureImageFilter |
43 | // V40: Remove UniqueID serialization from SkImageFilter. |
44 | // V41: Added serialization of SkBitmapSource's filterQuality parameter |
45 | // V42: Added a bool to SkPictureShader serialization to indicate did-we-serialize-a-picture? |
46 | // V43: Added DRAW_IMAGE and DRAW_IMAGE_RECT opt codes to serialized data |
47 | // V44: Move annotations from paint to drawAnnotation |
48 | // V45: Add invNormRotation to SkLightingShader. |
49 | // V46: Add drawTextRSXform |
50 | // V47: Add occluder rect to SkBlurMaskFilter |
51 | // V48: Read and write extended SkTextBlobs. |
52 | // V49: Gradients serialized as SkColor4f + SkColorSpace |
53 | // V50: SkXfermode -> SkBlendMode |
54 | // V51: more SkXfermode -> SkBlendMode |
55 | // V52: Remove SkTextBlob::fRunCount |
56 | // V53: SaveLayerRec clip mask |
57 | // V54: ComposeShader can use a Mode or a Lerp |
58 | // V55: Drop blendmode[] from MergeImageFilter |
59 | // V56: Add TileMode in SkBlurImageFilter. |
60 | // V57: Sweep tiling info. |
61 | // V58: No more 2pt conical flipping. |
62 | // V59: No more LocalSpace option on PictureImageFilter |
63 | // V60: Remove flags in picture header |
64 | // V61: Change SkDrawPictureRec to take two colors rather than two alphas |
65 | // V62: Don't negate size of custom encoded images (don't write origin x,y either) |
66 | // V63: Store image bounds (including origin) instead of just width/height to support subsets |
67 | // V64: Remove occluder feature from blur maskFilter |
68 | // V65: Float4 paint color |
69 | // V66: Add saveBehind |
70 | // V67: Blobs serialize fonts instead of paints |
71 | // V68: Paint doesn't serialize font-related stuff |
72 | // V69: Clean up duplicated and redundant SkImageFilter related enums |
73 | // V70: Image filters definitions hidden, registered names updated to include "Impl" |
74 | // V71: Unify erode and dilate image filters |
75 | // V72: SkColorFilter_Matrix domain (rgba vs. hsla) |
76 | // V73: Use SkColor4f in per-edge AA quad API |
77 | // V74: MorphologyImageFilter internal radius is SkScaler |
78 | |
79 | enum Version { |
80 | kTileModeInBlurImageFilter_Version = 56, |
81 | kTileInfoInSweepGradient_Version = 57, |
82 | k2PtConicalNoFlip_Version = 58, |
83 | kRemovePictureImageFilterLocalSpace = 59, |
84 | = 60, |
85 | kTwoColorDrawShadow_Version = 61, |
86 | kDontNegateImageSize_Version = 62, |
87 | kStoreImageBounds_Version = 63, |
88 | kRemoveOccluderFromBlurMaskFilter = 64, |
89 | kFloat4PaintColor_Version = 65, |
90 | kSaveBehind_Version = 66, |
91 | kSerializeFonts_Version = 67, |
92 | kPaintDoesntSerializeFonts_Version = 68, |
93 | kCleanupImageFilterEnums_Version = 69, |
94 | kHideImageFilterImpls_Version = 70, |
95 | kUnifyErodeDilateImpls_Version = 71, |
96 | kMatrixColorFilterDomain_Version = 72, |
97 | kEdgeAAQuadColor4f_Version = 73, |
98 | kMorphologyTakesScalar_Version = 74, |
99 | |
100 | // Only SKPs within the min/current picture version range (inclusive) can be read. |
101 | kMin_Version = kTileModeInBlurImageFilter_Version, |
102 | kCurrent_Version = kMorphologyTakesScalar_Version |
103 | }; |
104 | |
105 | static_assert(kMin_Version <= 62, "Remove kFontAxes_bad from SkFontDescriptor.cpp" ); |
106 | }; |
107 | |
108 | #endif |
109 | |