1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Copyright (C) 2020-2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "AffineTransform.h"
#include "Color.h"
#include "Gradient.h"
#include "GraphicsContext.h"
#include "Pattern.h"
#include "TextFlags.h"
#include <wtf/UniqueRef.h>
#if USE(CORE_TEXT)
#include <CoreGraphics/CoreGraphics.h>
#include <CoreText/CoreText.h>
#if PLATFORM(WIN)
#include <pal/spi/win/CoreTextSPIWin.h>
#else
#include <pal/spi/cf/CoreTextSPI.h>
#endif
#include <pal/spi/cg/CoreGraphicsSPI.h>
#endif
namespace WebCore {
class FloatPoint;
class Font;
class GlyphBuffer;
class GraphicsContext;
class DrawGlyphsRecorder {
public:
enum class DeconstructDrawGlyphs : bool { No, Yes };
enum class DeriveFontFromContext : bool { No, Yes };
explicit DrawGlyphsRecorder(GraphicsContext&, DeconstructDrawGlyphs = DeconstructDrawGlyphs::No, DeriveFontFromContext = DeriveFontFromContext::No);
void drawGlyphs(const Font&, const GlyphBufferGlyph*, const GlyphBufferAdvance*, unsigned numGlyphs, const FloatPoint& anchorPoint, FontSmoothingMode);
#if USE(CORE_TEXT) && !PLATFORM(WIN)
void drawNativeText(CTFontRef, CGFloat fontSize, CTLineRef, CGRect lineRect);
void recordBeginLayer(CGRenderingStateRef, CGGStateRef, CGRect);
void recordEndLayer(CGRenderingStateRef, CGGStateRef);
void recordDrawGlyphs(CGRenderingStateRef, CGGStateRef, const CGAffineTransform*, const CGGlyph[], const CGPoint positions[], size_t count);
void recordDrawImage(CGRenderingStateRef, CGGStateRef, CGRect, CGImageRef);
#endif
DeconstructDrawGlyphs deconstructDrawGlyphs() const { return m_deconstructDrawGlyphs; }
private:
#if USE(CORE_TEXT) && !PLATFORM(WIN)
UniqueRef<GraphicsContext> createInternalContext();
#endif
void drawBySplittingIntoOTSVGAndNonOTSVGRuns(const Font&, const GlyphBufferGlyph*, const GlyphBufferAdvance*, unsigned numGlyphs, const FloatPoint& anchorPoint, FontSmoothingMode);
void drawOTSVGRun(const Font&, const GlyphBufferGlyph*, const GlyphBufferAdvance*, unsigned numGlyphs, const FloatPoint& anchorPoint, FontSmoothingMode);
void drawNonOTSVGRun(const Font&, const GlyphBufferGlyph*, const GlyphBufferAdvance*, unsigned numGlyphs, const FloatPoint& anchorPoint, FontSmoothingMode);
void populateInternalState(const GraphicsContextState&);
void populateInternalContext(const GraphicsContextState&);
void prepareInternalContext(const Font&, FontSmoothingMode);
void concludeInternalContext();
void updateFillColor(const Color&, Gradient* = nullptr, Pattern* = nullptr);
void updateStrokeColor(const Color&, Gradient* = nullptr, Pattern* = nullptr);
void updateCTM(const AffineTransform&);
enum class ShadowsIgnoreTransforms {
Unspecified,
Yes,
No
};
void updateShadow(const FloatSize& shadowOffset, float shadowBlur, const Color& shadowColor, ShadowsIgnoreTransforms);
#if USE(CORE_TEXT) && !PLATFORM(WIN)
void updateShadow(CGStyleRef);
#endif
GraphicsContext& m_owner;
DeconstructDrawGlyphs m_deconstructDrawGlyphs;
DeriveFontFromContext m_deriveFontFromContext;
#if USE(CORE_TEXT) && !PLATFORM(WIN)
UniqueRef<GraphicsContext> m_internalContext;
#endif
const Font* m_originalFont { nullptr };
FontSmoothingMode m_smoothingMode { FontSmoothingMode::AutoSmoothing };
AffineTransform m_originalTextMatrix;
struct State {
struct Style {
Color color;
RefPtr<Gradient> gradient;
AffineTransform gradientSpaceTransform;
RefPtr<Pattern> pattern;
};
Style fillStyle;
Style strokeStyle;
AffineTransform ctm;
struct ShadowState {
FloatSize offset;
float blur { 0 };
Color color;
bool ignoreTransforms { false };
};
ShadowState shadow;
};
State m_originalState;
State m_currentState;
};
} // namespace WebCore
|
