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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*
Copyright @ 1999 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License. You may
obtain a copy of the License at
https://imagemagick.org/script/license.php
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore image private methods.
*/
#ifndef MAGICKCORE_IMAGE_PRIVATE_H
#define MAGICKCORE_IMAGE_PRIVATE_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#define MagickMax(x,y) (((x) > (y)) ? (x) : (y))
#define MagickMin(x,y) (((x) < (y)) ? (x) : (y))
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/quantum-private.h"
#define BackgroundColor "#ffffff" /* white */
#define BackgroundColorRGBA QuantumRange,QuantumRange,QuantumRange,OpaqueAlpha
#define BorderColor "#dfdfdf" /* gray */
#define BorderColorRGBA ScaleShortToQuantum(0xdfdf),\
ScaleShortToQuantum(0xdfdf),ScaleShortToQuantum(0xdfdf),OpaqueAlpha
#define DefaultResolution 72.0
#define DefaultTileFrame "15x15+3+3"
#define DefaultTileGeometry "120x120+4+3>"
#define DefaultTileLabel "%f\n%G\n%b"
#define ForegroundColor "#000" /* black */
#define ForegroundColorRGBA 0,0,0,OpaqueAlpha
#define LoadImagesTag "Load/Images"
#define LoadImageTag "Load/Image"
#define Magick2PI 6.28318530717958647692528676655900576839433879875020
#define MagickAbsoluteValue(x) ((x) < 0 ? -(x) : (x))
#define MagickPHI 1.61803398874989484820458683436563811772030917980576
#define MagickPI2 1.57079632679489661923132169163975144209858469968755
#define MagickPI 3.1415926535897932384626433832795028841971693993751058209749445923078164062
#define MagickSQ1_2 0.70710678118654752440084436210484903928483593768847
#define MagickSQ2 1.41421356237309504880168872420969807856967187537695
#define MagickSQ2PI 2.50662827463100024161235523934010416269302368164062
#define MAGICK_SIZE_MAX (SIZE_MAX)
#define MAGICK_SSIZE_MAX (SSIZE_MAX)
#define MAGICK_SSIZE_MIN (-SSIZE_MAX-1)
#define MatteColor "#bdbdbd" /* gray */
#define MatteColorRGBA ScaleShortToQuantum(0xbdbd),\
ScaleShortToQuantum(0xbdbd),ScaleShortToQuantum(0xbdbd),OpaqueAlpha
#define PSDensityGeometry "72.0x72.0"
#define PSPageGeometry "612x792"
#define SaveImagesTag "Save/Images"
#define SaveImageTag "Save/Image"
#define TransparentColor "#00000000" /* transparent black */
#define TransparentColorRGBA 0,0,0,TransparentAlpha
#define UndefinedCompressionQuality 0UL
#define UndefinedTicksPerSecond 100L
static inline ssize_t CastDoubleToLong(const double x)
{
double
value;
if (IsNaN(x) != 0)
{
errno=ERANGE;
return(0);
}
if (x < 0.0)
{
value=ceil(x);
if (value < ((double) MAGICK_SSIZE_MIN))
{
errno=ERANGE;
return((ssize_t) MAGICK_SSIZE_MIN);
}
}
else
{
value=floor(x);
if (value > ((double) MAGICK_SSIZE_MAX))
{
errno=ERANGE;
return((ssize_t) MAGICK_SSIZE_MAX);
}
}
return((ssize_t) value);
}
static inline QuantumAny CastDoubleToQuantumAny(const double x)
{
if (IsNaN(x) != 0)
{
errno=ERANGE;
return(0);
}
if (x > ((double) ((QuantumAny) ~0)))
{
errno=ERANGE;
return((QuantumAny) ~0);
}
if (x < 0.0)
{
errno=ERANGE;
return((QuantumAny) 0);
}
return((QuantumAny) (x+0.5));
}
static inline size_t CastDoubleToUnsigned(const double x)
{
double
value;
if (IsNaN(x) != 0)
{
errno=ERANGE;
return(0);
}
value=floor(x);
if (value >= ((double) MAGICK_SIZE_MAX))
{
errno=ERANGE;
return((size_t) MAGICK_SIZE_MAX);
}
if (value < 0.0)
{
errno=ERANGE;
return(0);
}
return((size_t) value);
}
static inline double DegreesToRadians(const double degrees)
{
return((double) (MagickPI*degrees/180.0));
}
static inline size_t GetImageChannels(const Image *image)
{
ssize_t
i;
size_t
channels;
channels=0;
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
PixelChannel channel = GetPixelChannelChannel(image,i);
PixelTrait traits = GetPixelChannelTraits(image,channel);
if ((traits & UpdatePixelTrait) != 0)
channels++;
}
return(channels == 0 ? (size_t) 1 : channels);
}
static inline double RadiansToDegrees(const double radians)
{
return((double) (180.0*radians/MagickPI));
}
static inline unsigned char ScaleColor5to8(const unsigned int color)
{
return((unsigned char) (((color) << 3) | ((color) >> 2)));
}
static inline unsigned char ScaleColor6to8(const unsigned int color)
{
return((unsigned char) (((color) << 2) | ((color) >> 4)));
}
static inline unsigned int ScaleColor8to5(const unsigned char color)
{
return((unsigned int) (((color) & ~0x07) >> 3));
}
static inline unsigned int ScaleColor8to6(const unsigned char color)
{
return((unsigned int) (((color) & ~0x03) >> 2));
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
|
