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