MagickCore 6.9.13
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image-private.h
1/*
2 Copyright 1999 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
4
5 You may not use this file except in compliance with the License. You may
6 obtain a copy of the License at
7
8 https://imagemagick.org/license/
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15
16 MagickCore image private methods.
17*/
18#ifndef MAGICKCORE_IMAGE_PRIVATE_H
19#define MAGICKCORE_IMAGE_PRIVATE_H
20
21#define MagickMax(x,y) (((x) > (y)) ? (x) : (y))
22#define MagickMin(x,y) (((x) < (y)) ? (x) : (y))
23
24#include "magick/quantum-private.h"
25
26#define BackgroundColor "#ffffff" /* white */
27#if defined(__cplusplus) || defined(c_plusplus)
28extern "C" {
29#endif
30
31#define BackgroundColorRGBA QuantumRange,QuantumRange,QuantumRange,OpaqueOpacity
32#define BorderColor "#dfdfdf" /* gray */
33#define BorderColorRGBA ScaleShortToQuantum(0xdfdf),\
34 ScaleShortToQuantum(0xdfdf),ScaleShortToQuantum(0xdfdf),OpaqueOpacity
35#define DefaultResolution 72.0
36#define DefaultTileFrame "15x15+3+3"
37#define DefaultTileGeometry "120x120+4+3>"
38#define DefaultTileLabel "%f\n%G\n%b"
39#define ForegroundColor "#000" /* black */
40#define ForegroundColorRGBA 0,0,0,OpaqueOpacity
41#define LoadImagesTag "Load/Images"
42#define LoadImageTag "Load/Image"
43#define Magick2PI 6.28318530717958647692528676655900576839433879875020
44#define MagickAbsoluteValue(x) ((x) < 0 ? -(x) : (x))
45#define MAGICK_INT_MAX (INT_MAX)
46#define MagickPHI 1.61803398874989484820458683436563811772030917980576
47#define MagickPI2 1.57079632679489661923132169163975144209858469968755
48#define MagickPI 3.14159265358979323846264338327950288419716939937510
49#define MAGICK_PTRDIFF_MAX (PTRDIFF_MAX)
50#define MAGICK_PTRDIFF_MIN (-PTRDIFF_MAX-1)
51#define MagickSQ1_2 0.70710678118654752440084436210484903928483593768847
52#define MagickSQ2 1.41421356237309504880168872420969807856967187537695
53#define MagickSQ2PI 2.50662827463100024161235523934010416269302368164062
54#define MAGICK_SIZE_MAX (SIZE_MAX)
55#define MAGICK_SSIZE_MAX (SSIZE_MAX)
56#define MAGICK_SSIZE_MIN (-SSIZE_MAX-1)
57#define MAGICK_UCHAR_MAX (UCHAR_MAX)
58#define MAGICK_UINT_MAX (UINT_MAX)
59#define MAGICK_ULONG_MAX (ULONG_MAX)
60#define MAGICK_USHORT_MAX (USHRT_MAX)
61#define MatteColor "#bdbdbd" /* gray */
62#define MatteColorRGBA ScaleShortToQuantum(0xbdbd),\
63 ScaleShortToQuantum(0xbdbd),ScaleShortToQuantum(0xbdbd),OpaqueOpacity
64#define PSDensityGeometry "72.0x72.0"
65#define PSPageGeometry "612x792"
66#define SaveImagesTag "Save/Images"
67#define SaveImageTag "Save/Image"
68#define TransparentColor "#00000000" /* transparent black */
69#define TransparentColorRGBA 0,0,0,TransparentOpacity
70#define UndefinedCompressionQuality 0UL
71#define UndefinedTicksPerSecond 100L
72
73static inline int CastDoubleToInt(const double x)
74{
75 double
76 value;
77
78 if (IsNaN(x) != 0)
79 {
80 errno=ERANGE;
81 return(0);
82 }
83 value=(x < 0.0) ? ceil(x) : floor(x);
84 if (value < 0.0)
85 {
86 errno=ERANGE;
87 return(0);
88 }
89 if (value >= ((double) MAGICK_INT_MAX))
90 {
91 errno=ERANGE;
92 return(MAGICK_INT_MAX);
93 }
94 return((int) value);
95}
96
97static inline ssize_t CastDoubleToLong(const double x)
98{
99 double
100 value;
101
102 if (IsNaN(x) != 0)
103 {
104 errno=ERANGE;
105 return(0);
106 }
107 value=(x < 0.0) ? ceil(x) : floor(x);
108 if (value < ((double) MAGICK_SSIZE_MIN))
109 {
110 errno=ERANGE;
111 return(MAGICK_SSIZE_MIN);
112 }
113 if (value >= ((double) MAGICK_SSIZE_MAX))
114 {
115 errno=ERANGE;
116 return(MAGICK_SSIZE_MAX);
117 }
118 return((ssize_t) value);
119}
120
121static inline QuantumAny CastDoubleToQuantumAny(const double x)
122{
123 double
124 value;
125
126 if (IsNaN(x) != 0)
127 {
128 errno=ERANGE;
129 return(0);
130 }
131 value=(x < 0.0) ? ceil(x) : floor(x);
132 if (value < 0.0)
133 {
134 errno=ERANGE;
135 return(0);
136 }
137 if (value >= ((double) ((QuantumAny) ~0)))
138 {
139 errno=ERANGE;
140 return((QuantumAny) ~0);
141 }
142 return((QuantumAny) value);
143}
144
145static inline size_t CastDoubleToSizeT(const double x)
146{
147 double
148 value;
149
150 if (IsNaN(x) != 0)
151 {
152 errno=ERANGE;
153 return(0);
154 }
155 value=(x < 0.0) ? ceil(x) : floor(x);
156 if (value < 0.0)
157 {
158 errno=ERANGE;
159 return(0);
160 }
161 if (value >= ((double) MAGICK_SIZE_MAX))
162 {
163 errno=ERANGE;
164 return(MAGICK_SIZE_MAX);
165 }
166 return((size_t) value);
167}
168
169static inline ssize_t CastDoubleToSsizeT(const double x)
170{
171 double
172 value;
173
174 if (IsNaN(x) != 0)
175 {
176 errno=ERANGE;
177 return(0);
178 }
179 value=(x < 0.0) ? ceil(x) : floor(x);
180 if (value < ((double) MAGICK_SSIZE_MIN))
181 {
182 errno=ERANGE;
183 return(MAGICK_SSIZE_MIN);
184 }
185 if (value >= ((double) MAGICK_SSIZE_MAX))
186 {
187 errno=ERANGE;
188 return(MAGICK_SSIZE_MAX);
189 }
190 return((ssize_t) value);
191}
192
193static inline unsigned char CastDoubleToUChar(const double x)
194{
195 double
196 value;
197
198 if (IsNaN(x) != 0)
199 {
200 errno=ERANGE;
201 return(0);
202 }
203 value=(x < 0.0) ? ceil(x) : floor(x);
204 if (value < 0.0)
205 {
206 errno=ERANGE;
207 return(0);
208 }
209 if (value >= ((double) MAGICK_UCHAR_MAX))
210 {
211 errno=ERANGE;
212 return(MAGICK_UCHAR_MAX);
213 }
214 return((unsigned char) value);
215}
216
217static inline unsigned short CastDoubleToUShort(const double x)
218{
219 double
220 value;
221
222 if (IsNaN(x) != 0)
223 {
224 errno=ERANGE;
225 return(0);
226 }
227 value=(x < 0.0) ? ceil(x) : floor(x);
228 if (value < 0.0)
229 {
230 errno=ERANGE;
231 return(0);
232 }
233 if (value >= ((double) MAGICK_USHORT_MAX))
234 {
235 errno=ERANGE;
236 return(MAGICK_USHORT_MAX);
237 }
238 return((unsigned short) value);
239}
240
241static inline size_t CastDoubleToUnsigned(const double x)
242{
243 double
244 value;
245
246 if (IsNaN(x) != 0)
247 {
248 errno=ERANGE;
249 return(0);
250 }
251 value=(x < 0.0) ? ceil(x) : floor(x);
252 if (value < 0.0)
253 {
254 errno=ERANGE;
255 return(0);
256 }
257 if (value >= ((double) MAGICK_SIZE_MAX))
258 {
259 errno=ERANGE;
260 return(MAGICK_SIZE_MAX);
261 }
262 return((size_t) value);
263}
264
265static inline double DegreesToRadians(const double degrees)
266{
267 return((double) (MagickPI*degrees/180.0));
268}
269
270static inline MagickRealType RadiansToDegrees(const MagickRealType radians)
271{
272 return((MagickRealType) (180.0*radians/MagickPI));
273}
274
275static inline unsigned char ScaleColor5to8(const unsigned int color)
276{
277 return((unsigned char) (((color) << 3) | ((color) >> 2)));
278}
279
280static inline unsigned char ScaleColor6to8(const unsigned int color)
281{
282 return((unsigned char) (((color) << 2) | ((color) >> 4)));
283}
284
285static inline unsigned int ScaleColor8to5(const unsigned char color)
286{
287 return((unsigned int) (((color) & ~0x07) >> 3));
288}
289
290static inline unsigned int ScaleColor8to6(const unsigned char color)
291{
292 return((unsigned int) (((color) & ~0x03) >> 2));
293}
294
295#if defined(__cplusplus) || defined(c_plusplus)
296}
297#endif
298
299#endif