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
138
139
140
|
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef sk_tool_utils_DEFINED
#define sk_tool_utils_DEFINED
#include "SkColor.h"
#include "SkImageEncoder.h"
#include "SkImageInfo.h"
#include "SkPixelSerializer.h"
#include "SkTypeface.h"
class SkBitmap;
class SkCanvas;
class SkPaint;
class SkPath;
class SkShader;
class SkTestFont;
class SkTextBlobBuilder;
namespace sk_tool_utils {
const char* colortype_name(SkColorType);
/**
* Map opaque colors from 8888 to 565.
*/
SkColor color_to_565(SkColor color);
/**
* Return a color emoji typeface if available.
*/
void emoji_typeface(SkAutoTUnref<SkTypeface>* );
/**
* If the platform supports color emoji, return sample text the emoji can render.
*/
const char* emoji_sample_text();
/**
* If the platform supports color emoji, return the type (i.e. "CBDT", "SBIX", "").
*/
const char* platform_os_emoji();
/**
* Return the platform name with the version number ("Mac10.9", "Win8", etc.) if available.
*/
const char* platform_os_name();
/**
* Return the platform name without the version number ("Mac", "Win", etc.) if available.
*/
SkString major_platform_os_name();
/**
* Return the platform extra config (e.g. "GDI") if available.
*/
const char* platform_extra_config(const char* config);
/**
* Map serif, san-serif, and monospace to the platform-specific font name.
*/
const char* platform_font_name(const char* name);
/**
* Sets the paint to use a platform-independent text renderer
*/
void set_portable_typeface(SkPaint* paint, const char* name = nullptr,
SkTypeface::Style style = SkTypeface::kNormal);
/**
* Returns a platform-independent text renderer.
*/
SkTypeface* create_portable_typeface(const char* name, SkTypeface::Style style);
/** Call to clean up portable font references. */
void release_portable_typefaces();
/**
* Call canvas->writePixels() by using the pixels from bitmap, but with an info that claims
* the pixels are colorType + alphaType
*/
void write_pixels(SkCanvas*, const SkBitmap&, int x, int y, SkColorType, SkAlphaType);
// private to sk_tool_utils
SkTypeface* create_font(const char* name, SkTypeface::Style);
/** Returns a newly created CheckerboardShader. */
SkShader* create_checkerboard_shader(SkColor c1, SkColor c2, int size);
/** Draw a checkerboard pattern in the current canvas, restricted to
the current clip, using SkXfermode::kSrc_Mode. */
void draw_checkerboard(SkCanvas* canvas,
SkColor color1,
SkColor color2,
int checkSize);
/** Make it easier to create a bitmap-based checkerboard */
SkBitmap create_checkerboard_bitmap(int w, int h,
SkColor c1, SkColor c2,
int checkSize);
/** A default checkerboard. */
inline void draw_checkerboard(SkCanvas* canvas) {
sk_tool_utils::draw_checkerboard(canvas, 0xFF999999, 0xFF666666, 8);
}
SkBitmap create_string_bitmap(int w, int h, SkColor c, int x, int y,
int textSize, const char* str);
// Encodes to PNG, unless there is already encoded data, in which case that gets
// used.
class PngPixelSerializer : public SkPixelSerializer {
public:
bool onUseEncodedData(const void*, size_t) override { return true; }
SkData* onEncodePixels(const SkImageInfo& info, const void* pixels,
size_t rowBytes) override {
return SkImageEncoder::EncodeData(info, pixels, rowBytes,
SkImageEncoder::kPNG_Type, 100);
}
};
// A helper for inserting a drawtext call into a SkTextBlobBuilder
void add_to_text_blob(SkTextBlobBuilder* builder, const char* text, const SkPaint& origPaint,
SkScalar x, SkScalar y);
void create_hemi_normal_map(SkBitmap* bm, const SkIRect& dst);
void create_frustum_normal_map(SkBitmap* bm, const SkIRect& dst);
void create_tetra_normal_map(SkBitmap* bm, const SkIRect& dst);
void make_big_path(SkPath& path);
} // namespace sk_tool_utils
#endif // sk_tool_utils_DEFINED
|
