/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkPictureFlat_DEFINED
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#define SkPictureFlat_DEFINED
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#include "SkCanvas.h"
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#include "SkChecksum.h"
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#include "SkReadBuffer.h"
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#include "SkWriteBuffer.h"
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#include "SkPaint.h"
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#include "SkPicture.h"
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#include "SkPtrRecorder.h"
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#include "SkTDynamicHash.h"
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/*
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* Note: While adding new DrawTypes, it is necessary to add to the end of this list
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* and update LAST_DRAWTYPE_ENUM to avoid having the code read older skps wrong.
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* (which can cause segfaults)
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*
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* Reordering can be done during version updates.
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*/
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enum DrawType {
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UNUSED,
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CLIP_PATH,
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CLIP_REGION,
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CLIP_RECT,
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CLIP_RRECT,
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CONCAT,
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DRAW_BITMAP_RETIRED_2016_REMOVED_2018,
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DRAW_BITMAP_MATRIX_RETIRED_2016_REMOVED_2018,
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DRAW_BITMAP_NINE_RETIRED_2016_REMOVED_2018,
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DRAW_BITMAP_RECT_RETIRED_2016_REMOVED_2018,
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DRAW_CLEAR,
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DRAW_DATA,
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DRAW_OVAL,
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DRAW_PAINT,
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DRAW_PATH,
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DRAW_PICTURE,
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DRAW_POINTS,
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DRAW_POS_TEXT_REMOVED_1_2019,
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DRAW_POS_TEXT_TOP_BOTTOM_REMOVED_1_2019,
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DRAW_POS_TEXT_H_REMOVED_1_2019,
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DRAW_POS_TEXT_H_TOP_BOTTOM_REMOVED_1_2019,
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DRAW_RECT,
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DRAW_RRECT,
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DRAW_SPRITE_RETIRED_2015_REMOVED_2018,
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DRAW_TEXT_REMOVED_1_2019,
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DRAW_TEXT_ON_PATH_RETIRED_08_2018_REMOVED_10_2018,
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DRAW_TEXT_TOP_BOTTOM_REMOVED_1_2019,
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DRAW_VERTICES_RETIRED_03_2017_REMOVED_01_2018,
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RESTORE,
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ROTATE,
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SAVE,
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SAVE_LAYER_SAVEFLAGS_DEPRECATED,
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SCALE,
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SET_MATRIX,
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SKEW,
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TRANSLATE,
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NOOP,
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BEGIN_COMMENT_GROUP_obsolete,
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COMMENT_obsolete,
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END_COMMENT_GROUP_obsolete,
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// new ops -- feel free to re-alphabetize on next version bump
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DRAW_DRRECT,
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PUSH_CULL, // deprecated, M41 was last Chromium version to write this to an .skp
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POP_CULL, // deprecated, M41 was last Chromium version to write this to an .skp
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DRAW_PATCH, // could not add in aphabetical order
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DRAW_PICTURE_MATRIX_PAINT,
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DRAW_TEXT_BLOB,
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DRAW_IMAGE,
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DRAW_IMAGE_RECT_STRICT_obsolete,
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DRAW_ATLAS,
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DRAW_IMAGE_NINE,
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DRAW_IMAGE_RECT,
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SAVE_LAYER_SAVELAYERFLAGS_DEPRECATED_JAN_2016_REMOVED_01_2018,
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SAVE_LAYER_SAVELAYERREC,
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DRAW_ANNOTATION,
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DRAW_DRAWABLE,
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DRAW_DRAWABLE_MATRIX,
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DRAW_TEXT_RSXFORM_DEPRECATED_DEC_2018,
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TRANSLATE_Z, // deprecated (M60)
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DRAW_SHADOW_REC,
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DRAW_IMAGE_LATTICE,
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DRAW_ARC,
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DRAW_REGION,
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DRAW_VERTICES_OBJECT,
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FLUSH,
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DRAW_IMAGE_SET,
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SAVE_BEHIND,
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DRAW_EDGEAA_RECT,
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DRAW_BEHIND_PAINT,
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LAST_DRAWTYPE_ENUM = DRAW_BEHIND_PAINT,
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};
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enum DrawVertexFlags {
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DRAW_VERTICES_HAS_TEXS = 0x01,
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DRAW_VERTICES_HAS_COLORS = 0x02,
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DRAW_VERTICES_HAS_INDICES = 0x04,
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DRAW_VERTICES_HAS_XFER = 0x08,
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};
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enum DrawAtlasFlags {
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DRAW_ATLAS_HAS_COLORS = 1 << 0,
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DRAW_ATLAS_HAS_CULL = 1 << 1,
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};
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enum DrawTextRSXformFlags {
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DRAW_TEXT_RSXFORM_HAS_CULL = 1 << 0,
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};
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enum SaveLayerRecFlatFlags {
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SAVELAYERREC_HAS_BOUNDS = 1 << 0,
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SAVELAYERREC_HAS_PAINT = 1 << 1,
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SAVELAYERREC_HAS_BACKDROP = 1 << 2,
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SAVELAYERREC_HAS_FLAGS = 1 << 3,
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SAVELAYERREC_HAS_CLIPMASK = 1 << 4,
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SAVELAYERREC_HAS_CLIPMATRIX = 1 << 5,
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};
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enum SaveBehindFlatFlags {
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SAVEBEHIND_HAS_SUBSET = 1 << 0,
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};
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///////////////////////////////////////////////////////////////////////////////
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// clipparams are packed in 5 bits
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// doAA:1 | clipOp:4
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static inline uint32_t ClipParams_pack(SkClipOp op, bool doAA) {
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unsigned doAABit = doAA ? 1 : 0;
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return (doAABit << 4) | static_cast<int>(op);
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}
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template <typename T> T asValidEnum(SkReadBuffer* buffer, uint32_t candidate) {
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if (buffer->validate(candidate <= static_cast<uint32_t>(T::kMax_EnumValue))) {
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return static_cast<T>(candidate);
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}
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return T::kMax_EnumValue;
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}
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static inline SkClipOp ClipParams_unpackRegionOp(SkReadBuffer* buffer, uint32_t packed) {
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return asValidEnum<SkClipOp>(buffer, packed & 0xF);
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}
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static inline bool ClipParams_unpackDoAA(uint32_t packed) {
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return SkToBool((packed >> 4) & 1);
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}
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///////////////////////////////////////////////////////////////////////////////
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class SkTypefacePlayback {
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public:
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SkTypefacePlayback() : fCount(0), fArray(nullptr) {}
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~SkTypefacePlayback() = default;
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void setCount(size_t count);
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size_t count() const { return fCount; }
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sk_sp<SkTypeface>& operator[](size_t index) {
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SkASSERT(index < fCount);
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return fArray[index];
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}
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void setupBuffer(SkReadBuffer& buffer) const {
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buffer.setTypefaceArray(fArray.get(), fCount);
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}
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protected:
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size_t fCount;
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std::unique_ptr<sk_sp<SkTypeface>[]> fArray;
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};
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class SkFactoryPlayback {
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public:
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SkFactoryPlayback(int count) : fCount(count) { fArray = new SkFlattenable::Factory[count]; }
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~SkFactoryPlayback() { delete[] fArray; }
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SkFlattenable::Factory* base() const { return fArray; }
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void setupBuffer(SkReadBuffer& buffer) const {
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buffer.setFactoryPlayback(fArray, fCount);
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}
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private:
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int fCount;
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SkFlattenable::Factory* fArray;
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};
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#endif
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