root / ImageMagick / trunk / coders / pattern.c

Revision 11047, 39.8 kB (checked in by cristy, 3 months ago)
Line 
1/*
2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3%                                                                             %
4%                                                                             %
5%                                                                             %
6%              PPPP    AAA   TTTTT  TTTTT  EEEEE  RRRR   N   N                %
7%              P   P  A   A    T      T    E      R   R  NN  N                %
8%              PPPP   AAAAA    T      T    EEE    RRRR   N N N                %
9%              P      A   A    T      T    E      R R    N  NN                %
10%              P      A   A    T      T    EEEEE  R  R   N   N                %
11%                                                                             %
12%                                                                             %
13%                      Read/Write Pattern Image Format.                       %
14%                                                                             %
15%                              Software Design                                %
16%                                John Cristy                                  %
17%                                 May 2003                                    %
18%                                                                             %
19%                                                                             %
20%  Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization      %
21%  dedicated to making software imaging solutions freely available.           %
22%                                                                             %
23%  You may not use this file except in compliance with the License.  You may  %
24%  obtain a copy of the License at                                            %
25%                                                                             %
26%    http://www.imagemagick.org/script/license.php                            %
27%                                                                             %
28%  Unless required by applicable law or agreed to in writing, software        %
29%  distributed under the License is distributed on an "AS IS" BASIS,          %
30%  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
31%  See the License for the specific language governing permissions and        %
32%  limitations under the License.                                             %
33%                                                                             %
34%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35%
36%
37*/
38
39/*
40  Include declarations.
41*/
42#include "magick/studio.h"
43#include "magick/blob.h"
44#include "magick/blob-private.h"
45#include "magick/exception.h"
46#include "magick/exception-private.h"
47#include "magick/image.h"
48#include "magick/image-private.h"
49#include "magick/list.h"
50#include "magick/magick.h"
51#include "magick/memory_.h"
52#include "magick/quantum-private.h"
53#include "magick/static.h"
54#include "magick/string_.h"
55#include "magick/module.h"
56
57/*
58  Bricks pattern.
59*/
60static const unsigned char
61  BricksImage[] =
62  {
63    0x50, 0x34, 0x0A, 0x31, 0x36, 0x20, 0x31, 0x36, 0x0A, 0x00, 0x01, 0x00,
64    0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0xFF,
65    0xFF, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01,
66    0x00, 0x01, 0x00, 0xFF, 0xFF
67  };
68
69/*
70  Checkerboard pattern.
71*/
72static const unsigned char
73  CheckerboardImage[]=
74  {
75    0x47, 0x49, 0x46, 0x38, 0x37, 0x61, 0x1E, 0x00, 0x1E, 0x00, 0xF0, 0x01,
76    0x00, 0x66, 0x66, 0x66, 0x99, 0x99, 0x99, 0x21, 0xF9, 0x04, 0x00, 0x00,
77    0x00, 0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x1E, 0x00, 0x1E, 0x00,
78    0x00, 0x02, 0x42, 0x8C, 0x8F, 0x09, 0xCB, 0xED, 0x09, 0x91, 0x9B, 0x2D,
79    0x5A, 0x8A, 0x6D, 0xC4, 0x54, 0x43, 0x3E, 0x79, 0x0A, 0x58, 0x89, 0x07,
80    0x59, 0x9A, 0x01, 0xCA, 0xA8, 0x06, 0xBB, 0xB8, 0x2B, 0x2C, 0xC3, 0x40,
81    0x4D, 0xBB, 0x36, 0xCE, 0xF2, 0x36, 0xEA, 0x23, 0x05, 0x41, 0x43, 0x4E,
82    0x31, 0xA3, 0xCB, 0xA9, 0x76, 0xC9, 0x5E, 0x13, 0xF8, 0x14, 0x46, 0x89,
83    0x53, 0x63, 0x15, 0xB9, 0x54, 0x9A, 0x98, 0xAA, 0x02, 0x00, 0x3B
84  };
85
86/*
87  Circles pattern.
88*/
89static const unsigned char
90  CirclesImage[] =
91  {
92    0x50, 0x34, 0x0A, 0x31, 0x36, 0x20, 0x31, 0x36, 0x0A, 0x07, 0xF0, 0x18,
93    0x0C, 0x20, 0x02, 0x40, 0x01, 0x40, 0x01, 0x80, 0x00, 0x80, 0x00, 0x80,
94    0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x40, 0x01, 0x40,
95    0x01, 0x20, 0x02, 0x18, 0x0C
96  };
97
98/*
99  CrossHatch pattern.
100*/
101static const unsigned char
102  CrossHatchImage[] =
103  {
104    0x50, 0x34, 0x0A, 0x38, 0x20, 0x34, 0x0A, 0xFF, 0x11, 0x11, 0x11
105  };
106
107/*
108  CrossHatch30 pattern.
109*/
110static const unsigned char
111  CrossHatch30Image[] =
112  {
113    0x50, 0x34, 0x0A, 0x38, 0x20, 0x34, 0x0A, 0x81, 0x66, 0x18, 0x66
114  };
115
116/*
117  CrossHatch45 pattern.
118*/
119static const unsigned char
120  CrossHatch45Image[] =
121  {
122    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x88, 0x50, 0x20, 0x50, 0x88,
123    0x05, 0x02, 0x05
124  };
125
126/*
127  FishScales pattern.
128*/
129static const unsigned char
130  FishScalesImage[] =
131  {
132    0x50, 0x34, 0x0A, 0x31, 0x36, 0x20, 0x38, 0x0A, 0x02, 0x40, 0x0C, 0x30,
133    0x70, 0x0E, 0x80, 0x01, 0x40, 0x02, 0x30, 0x0C, 0x0E, 0x70, 0x01, 0x80
134  };
135
136/*
137  Gray100 pattern.
138*/
139static const unsigned char
140  Gray100Image[] =
141  {
142    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x00, 0x00, 0x00,
143    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
144    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
145    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
146    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
147    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
148    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
149    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
150    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
151    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
152    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
153    0x00, 0x00, 0x00, 0x00, 0x00
154  };
155
156/*
157  Gray95 pattern.
158*/
159static const unsigned char
160  Gray95Image[] =
161  {
162    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x00, 0x00, 0x00,
163    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11,
164    0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
165    0x00, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
166    0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x00, 0x00, 0x00,
167    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x10,
168    0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
169    0x00, 0x11, 0x11, 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
170    0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00,
171    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11,
172    0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
173    0x00, 0x10, 0x10, 0x10, 0x10
174  };
175
176/*
177  Gray90 pattern.
178*/
179static const unsigned char
180  Gray90Image[] =
181  {
182    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x08, 0x08, 0x08,
183    0x08, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00,
184    0x00, 0x80, 0x88, 0x80, 0x88, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22,
185    0x22, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00,
186    0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80,
187    0x80, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00,
188    0x00, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22,
189    0x22, 0x00, 0x00, 0x00, 0x00, 0x80, 0x88, 0x80, 0x88, 0x00, 0x00, 0x00,
190    0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08,
191    0x08, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00,
192    0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22,
193    0x22, 0x00, 0x00, 0x00, 0x00
194  };
195
196/*
197  Gray85 pattern.
198*/
199static const unsigned char
200  Gray85Image[] =
201  {
202    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x00, 0x00, 0x00,
203    0x00, 0x88, 0x8A, 0x88, 0x8A, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22,
204    0x22, 0x00, 0x00, 0x00, 0x00, 0xA8, 0xA8, 0xA8, 0xA8, 0x00, 0x00, 0x00,
205    0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, 0x8A, 0x88, 0x8A,
206    0x88, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00,
207    0x00, 0xA8, 0xA8, 0xA8, 0xA8, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22,
208    0x22, 0x00, 0x00, 0x00, 0x00, 0x88, 0x8A, 0x88, 0x8A, 0x00, 0x00, 0x00,
209    0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, 0xA8, 0xA8, 0xA8,
210    0xA8, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x00,
211    0x00, 0x8A, 0x88, 0x8A, 0x88, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22, 0x22,
212    0x22, 0x00, 0x00, 0x00, 0x00, 0xA8, 0xA8, 0xA8, 0xA8, 0x00, 0x00, 0x00,
213    0x00, 0x22, 0x22, 0x22, 0x22
214  };
215
216/*
217  Gray80 pattern.
218*/
219static const unsigned char
220  Gray80Image[] =
221  {
222    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x00, 0x00, 0x00,
223    0x00, 0x55, 0x55, 0x55, 0x55, 0x00, 0x00, 0x00, 0x00, 0x51, 0x11, 0x51,
224    0x11, 0x00, 0x00, 0x00, 0x00, 0x55, 0x55, 0x55, 0x55, 0x00, 0x00, 0x00,
225    0x00, 0x11, 0x11, 0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x55, 0x55, 0x55,
226    0x55, 0x00, 0x00, 0x00, 0x00, 0x51, 0x51, 0x51, 0x51, 0x00, 0x00, 0x00,
227    0x00, 0x55, 0x55, 0x55, 0x55, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11,
228    0x11, 0x00, 0x00, 0x00, 0x00, 0x55, 0x55, 0x55, 0x55, 0x00, 0x00, 0x00,
229    0x00, 0x51, 0x11, 0x51, 0x11, 0x00, 0x00, 0x00, 0x00, 0x55, 0x55, 0x55,
230    0x55, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x11, 0x11, 0x00, 0x00, 0x00,
231    0x00, 0x55, 0x55, 0x55, 0x55, 0x00, 0x00, 0x00, 0x00, 0x51, 0x51, 0x51,
232    0x51, 0x00, 0x00, 0x00, 0x00, 0x55, 0x55, 0x55, 0x55, 0x00, 0x00, 0x00,
233    0x00, 0x11, 0x11, 0x11, 0x11
234  };
235
236/*
237  Gray75 pattern.
238*/
239static const unsigned char
240  Gray75Image[] =
241  {
242    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xAA, 0xAA, 0xAA,
243    0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00,
244    0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA,
245    0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00,
246    0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA,
247    0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00,
248    0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA,
249    0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00,
250    0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA,
251    0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00,
252    0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA,
253    0xAA, 0x00, 0x00, 0x00, 0x00
254  };
255
256/*
257  Gray70 pattern.
258*/
259static const unsigned char
260  Gray70Image[] =
261  {
262    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xAA, 0xAA, 0xAA,
263    0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x11, 0x11,
264    0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA,
265    0xAA, 0x01, 0x01, 0x01, 0x01, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00,
266    0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x11, 0x11, 0x11, 0xAA, 0xAA, 0xAA,
267    0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x01, 0x11,
268    0x01, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA,
269    0xAA, 0x11, 0x11, 0x11, 0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00,
270    0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x01, 0x01, 0x01, 0x01, 0xAA, 0xAA, 0xAA,
271    0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x11, 0x11,
272    0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA,
273    0xAA, 0x11, 0x01, 0x11, 0x01
274  };
275
276/*
277  Gray65 pattern.
278*/
279static const unsigned char
280  Gray65Image[] =
281  {
282    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x44, 0x44, 0x44,
283    0x44, 0xAA, 0xAA, 0xAA, 0xAA, 0x01, 0x01, 0x01, 0x01, 0xAA, 0xAA, 0xAA,
284    0xAA, 0x44, 0x44, 0x44, 0x44, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x10, 0x11,
285    0x10, 0xAA, 0xAA, 0xAA, 0xAA, 0x44, 0x44, 0x44, 0x44, 0xAA, 0xAA, 0xAA,
286    0xAA, 0x01, 0x01, 0x01, 0x01, 0xAA, 0xAA, 0xAA, 0xAA, 0x44, 0x44, 0x44,
287    0x44, 0xAA, 0xAA, 0xAA, 0xAA, 0x10, 0x10, 0x10, 0x10, 0xAA, 0xAA, 0xAA,
288    0xAA, 0x44, 0x44, 0x44, 0x44, 0xAA, 0xAA, 0xAA, 0xAA, 0x01, 0x01, 0x01,
289    0x01, 0xAA, 0xAA, 0xAA, 0xAA, 0x44, 0x44, 0x44, 0x44, 0xAA, 0xAA, 0xAA,
290    0xAA, 0x11, 0x10, 0x11, 0x10, 0xAA, 0xAA, 0xAA, 0xAA, 0x44, 0x44, 0x44,
291    0x44, 0xAA, 0xAA, 0xAA, 0xAA, 0x01, 0x01, 0x01, 0x01, 0xAA, 0xAA, 0xAA,
292    0xAA, 0x44, 0x44, 0x44, 0x44, 0xAA, 0xAA, 0xAA, 0xAA, 0x10, 0x10, 0x10,
293    0x10, 0xAA, 0xAA, 0xAA, 0xAA
294  };
295
296/*
297  Gray60 pattern.
298*/
299static const unsigned char
300  Gray60Image[] =
301  {
302    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x11, 0x11, 0x11,
303    0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x44, 0x45, 0x44, 0x45, 0xAA, 0xAA, 0xAA,
304    0xAA, 0x11, 0x11, 0x11, 0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x54, 0x54, 0x54,
305    0x54, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x11, 0x11, 0x11, 0xAA, 0xAA, 0xAA,
306    0xAA, 0x45, 0x44, 0x45, 0x44, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x11, 0x11,
307    0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x54, 0x54, 0x54, 0x54, 0xAA, 0xAA, 0xAA,
308    0xAA, 0x11, 0x11, 0x11, 0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x44, 0x45, 0x44,
309    0x45, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x11, 0x11, 0x11, 0xAA, 0xAA, 0xAA,
310    0xAA, 0x54, 0x54, 0x54, 0x54, 0xAA, 0xAA, 0xAA, 0xAA, 0x11, 0x11, 0x11,
311    0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x45, 0x44, 0x45, 0x44, 0xAA, 0xAA, 0xAA,
312    0xAA, 0x11, 0x11, 0x11, 0x11, 0xAA, 0xAA, 0xAA, 0xAA, 0x54, 0x54, 0x54,
313    0x54, 0xAA, 0xAA, 0xAA, 0xAA
314  };
315
316/*
317  Gray55 pattern.
318*/
319static const unsigned char
320  Gray55Image[] =
321  {
322    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x55, 0x55, 0x55,
323    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0x2A, 0x2A, 0x2A,
324    0x2A, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
325    0x55, 0x22, 0x22, 0x22, 0x22, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
326    0xAA, 0x55, 0x55, 0x55, 0x55, 0x22, 0x2A, 0x22, 0x2A, 0x55, 0x55, 0x55,
327    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0x22, 0x22, 0x22,
328    0x22, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
329    0x55, 0x2A, 0x2A, 0x2A, 0x2A, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
330    0xAA, 0x55, 0x55, 0x55, 0x55, 0x22, 0x22, 0x22, 0x22, 0x55, 0x55, 0x55,
331    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0x22, 0x2A, 0x22,
332    0x2A, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
333    0x55, 0x22, 0x22, 0x22, 0x22
334  };
335
336/*
337  Gray50 pattern.
338*/
339static const unsigned char
340  Gray50Image[] =
341  {
342    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xAA, 0xAA, 0xAA,
343    0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
344    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
345    0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
346    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
347    0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
348    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
349    0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
350    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
351    0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
352    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
353    0xAA, 0x55, 0x55, 0x55, 0x55
354  };
355
356/*
357  Gray45 pattern.
358*/
359static const unsigned char
360  Gray45Image[] =
361  {
362    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xBB, 0xBB, 0xBB,
363    0xBB, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
364    0x55, 0xAB, 0xAB, 0xAB, 0xAB, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
365    0xAA, 0x55, 0x55, 0x55, 0x55, 0xBB, 0xBB, 0xBB, 0xBB, 0x55, 0x55, 0x55,
366    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xBB, 0xAB, 0xBB,
367    0xAB, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
368    0x55, 0xBB, 0xBB, 0xBB, 0xBB, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
369    0xAA, 0x55, 0x55, 0x55, 0x55, 0xAB, 0xAB, 0xAB, 0xAB, 0x55, 0x55, 0x55,
370    0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55, 0xBB, 0xBB, 0xBB,
371    0xBB, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55,
372    0x55, 0xBB, 0xAB, 0xBB, 0xAB, 0x55, 0x55, 0x55, 0x55, 0xAA, 0xAA, 0xAA,
373    0xAA, 0x55, 0x55, 0x55, 0x55
374  };
375
376/*
377  Gray40 pattern.
378*/
379static const unsigned char
380  Gray40Image[] =
381  {
382    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xEE, 0xEE, 0xEE,
383    0xEE, 0x55, 0x55, 0x55, 0x55, 0xAB, 0xAB, 0xAB, 0xAB, 0x55, 0x55, 0x55,
384    0x55, 0xEE, 0xEE, 0xEE, 0xEE, 0x55, 0x55, 0x55, 0x55, 0xBB, 0xBA, 0xBB,
385    0xBA, 0x55, 0x55, 0x55, 0x55, 0xEE, 0xEE, 0xEE, 0xEE, 0x55, 0x55, 0x55,
386    0x55, 0xAB, 0xAB, 0xAB, 0xAB, 0x55, 0x55, 0x55, 0x55, 0xEE, 0xEE, 0xEE,
387    0xEE, 0x55, 0x55, 0x55, 0x55, 0xBA, 0xBB, 0xBA, 0xBB, 0x55, 0x55, 0x55,
388    0x55, 0xEE, 0xEE, 0xEE, 0xEE, 0x55, 0x55, 0x55, 0x55, 0xAB, 0xAB, 0xAB,
389    0xAB, 0x55, 0x55, 0x55, 0x55, 0xEE, 0xEE, 0xEE, 0xEE, 0x55, 0x55, 0x55,
390    0x55, 0xBB, 0xBA, 0xBB, 0xBA, 0x55, 0x55, 0x55, 0x55, 0xEE, 0xEE, 0xEE,
391    0xEE, 0x55, 0x55, 0x55, 0x55, 0xAB, 0xAB, 0xAB, 0xAB, 0x55, 0x55, 0x55,
392    0x55, 0xEE, 0xEE, 0xEE, 0xEE, 0x55, 0x55, 0x55, 0x55, 0xBA, 0xBB, 0xBA,
393    0xBB, 0x55, 0x55, 0x55, 0x55
394  };
395
396/*
397  Gray35 pattern.
398*/
399static const unsigned char
400  Gray35Image[] =
401  {
402    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xAA, 0xAA, 0xAA,
403    0xAA, 0xDD, 0xDD, 0xDD, 0xDD, 0xAA, 0xAA, 0xAA, 0xAA, 0x7F, 0x7F, 0x7F,
404    0x7F, 0xAA, 0xAA, 0xAA, 0xAA, 0xDD, 0xDD, 0xDD, 0xDD, 0xAA, 0xAA, 0xAA,
405    0xAA, 0x77, 0xF7, 0x77, 0xF7, 0xAA, 0xAA, 0xAA, 0xAA, 0xDD, 0xDD, 0xDD,
406    0xDD, 0xAA, 0xAA, 0xAA, 0xAA, 0x7F, 0x7F, 0x7F, 0x7F, 0xAA, 0xAA, 0xAA,
407    0xAA, 0xDD, 0xDD, 0xDD, 0xDD, 0xAA, 0xAA, 0xAA, 0xAA, 0xF7, 0xF7, 0xF7,
408    0xF7, 0xAA, 0xAA, 0xAA, 0xAA, 0xDD, 0xDD, 0xDD, 0xDD, 0xAA, 0xAA, 0xAA,
409    0xAA, 0x7F, 0x7F, 0x7F, 0x7F, 0xAA, 0xAA, 0xAA, 0xAA, 0xDD, 0xDD, 0xDD,
410    0xDD, 0xAA, 0xAA, 0xAA, 0xAA, 0x77, 0xF7, 0x77, 0xF7, 0xAA, 0xAA, 0xAA,
411    0xAA, 0xDD, 0xDD, 0xDD, 0xDD, 0xAA, 0xAA, 0xAA, 0xAA, 0x7F, 0x7F, 0x7F,
412    0x7F, 0xAA, 0xAA, 0xAA, 0xAA, 0xDD, 0xDD, 0xDD, 0xDD, 0xAA, 0xAA, 0xAA,
413    0xAA, 0xF7, 0xF7, 0xF7, 0xF7
414  };
415
416/*
417  Gray30 pattern.
418*/
419static const unsigned char
420  Gray30Image[] =
421  {
422    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xFF, 0xFF, 0xFF,
423    0xFF, 0x55, 0x55, 0x55, 0x55, 0xEE, 0xEE, 0xEE, 0xEE, 0x55, 0x55, 0x55,
424    0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55, 0x55, 0xEE, 0xFE, 0xEE,
425    0xFE, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55,
426    0x55, 0xEE, 0xEE, 0xEE, 0xEE, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF,
427    0xFF, 0x55, 0x55, 0x55, 0x55, 0xFE, 0xFE, 0xFE, 0xFE, 0x55, 0x55, 0x55,
428    0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55, 0x55, 0xEE, 0xEE, 0xEE,
429    0xEE, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55,
430    0x55, 0xEE, 0xFE, 0xEE, 0xFE, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF,
431    0xFF, 0x55, 0x55, 0x55, 0x55, 0xEE, 0xEE, 0xEE, 0xEE, 0x55, 0x55, 0x55,
432    0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55, 0x55, 0xFE, 0xFE, 0xFE,
433    0xFE, 0x55, 0x55, 0x55, 0x55
434  };
435
436/*
437  Gray25 pattern.
438*/
439static const unsigned char
440  Gray25Image[] =
441  {
442    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xFF, 0xFF, 0xFF,
443    0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55,
444    0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF,
445    0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55,
446    0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF,
447    0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55,
448    0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF,
449    0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55,
450    0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF,
451    0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55,
452    0x55, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x55, 0x55, 0x55, 0xFF, 0xFF, 0xFF,
453    0xFF, 0x55, 0x55, 0x55, 0x55
454  };
455
456/*
457  Gray20 pattern.
458*/
459static const unsigned char
460  Gray20Image[] =
461  {
462    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xAA, 0xAA, 0xAA,
463    0xAA, 0xFF, 0xFF, 0xFF, 0xFF, 0xBB, 0xBB, 0xBB, 0xBB, 0xFF, 0xFF, 0xFF,
464    0xFF, 0xAA, 0xAA, 0xAA, 0xAA, 0xFF, 0xFF, 0xFF, 0xFF, 0xBA, 0xBB, 0xBA,
465    0xBB, 0xFF, 0xFF, 0xFF, 0xFF, 0xAA, 0xAA, 0xAA, 0xAA, 0xFF, 0xFF, 0xFF,
466    0xFF, 0xBB, 0xBB, 0xBB, 0xBB, 0xFF, 0xFF, 0xFF, 0xFF, 0xAA, 0xAA, 0xAA,
467    0xAA, 0xFF, 0xFF, 0xFF, 0xFF, 0xBA, 0xBA, 0xBA, 0xBA, 0xFF, 0xFF, 0xFF,
468    0xFF, 0xAA, 0xAA, 0xAA, 0xAA, 0xFF, 0xFF, 0xFF, 0xFF, 0xBB, 0xBB, 0xBB,
469    0xBB, 0xFF, 0xFF, 0xFF, 0xFF, 0xAA, 0xAA, 0xAA, 0xAA, 0xFF, 0xFF, 0xFF,
470    0xFF, 0xBA, 0xBB, 0xBA, 0xBB, 0xFF, 0xFF, 0xFF, 0xFF, 0xAA, 0xAA, 0xAA,
471    0xAA, 0xFF, 0xFF, 0xFF, 0xFF, 0xBB, 0xBB, 0xBB, 0xBB, 0xFF, 0xFF, 0xFF,
472    0xFF, 0xAA, 0xAA, 0xAA, 0xAA, 0xFF, 0xFF, 0xFF, 0xFF, 0xBA, 0xBA, 0xBA,
473    0xBA, 0xFF, 0xFF, 0xFF, 0xFF
474  };
475
476/*
477  Gray15 pattern.
478*/
479static const unsigned char
480  Gray15Image[] =
481  {
482    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0x77, 0x77, 0x77,
483    0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xDD, 0x5D, 0x5D, 0x5D, 0xFF, 0xFF, 0xFF,
484    0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xD5, 0xDD, 0xD5,
485    0xDD, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF,
486    0xFF, 0xDD, 0x5D, 0x5D, 0x5D, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77,
487    0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xDD, 0xD5, 0xDD, 0xD5, 0xFF, 0xFF, 0xFF,
488    0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xDD, 0x5D, 0x5D,
489    0x5D, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF,
490    0xFF, 0xD5, 0xDD, 0xD5, 0xDD, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77,
491    0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xDD, 0x5D, 0x5D, 0x5D, 0xFF, 0xFF, 0xFF,
492    0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xDD, 0xD5, 0xDD,
493    0xD5, 0xFF, 0xFF, 0xFF, 0xFF
494  };
495
496/*
497  Gray10 pattern.
498*/
499static const unsigned char
500  Gray10Image[] =
501  {
502    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xFF, 0xFF, 0xFF,
503    0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xDF, 0xDF, 0xDF,
504    0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF,
505    0xFF, 0xFD, 0xDD, 0xFD, 0xDD, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77,
506    0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xDF, 0xDF, 0xDF, 0xDF, 0xFF, 0xFF, 0xFF,
507    0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFD, 0xFD, 0xFD,
508    0xFD, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF,
509    0xFF, 0xDF, 0xDF, 0xDF, 0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77,
510    0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFD, 0xDD, 0xFD, 0xDD, 0xFF, 0xFF, 0xFF,
511    0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xDF, 0xDF, 0xDF,
512    0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF,
513    0xFF, 0xFD, 0xFD, 0xFD, 0xFD
514  };
515
516/*
517  Gray5 pattern.
518*/
519static const unsigned char
520  Gray5Image[] =
521  {
522    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xFF, 0xFF, 0xFF,
523    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xDD, 0xDD, 0xDD,
524    0xDD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
525    0xFF, 0xDF, 0xDF, 0xDF, 0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
526    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xDD, 0xDD, 0xDD, 0xDD, 0xFF, 0xFF, 0xFF,
527    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xDF, 0xDF, 0xDF,
528    0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
529    0xFF, 0xDD, 0xDD, 0xDD, 0xDD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
530    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xDF, 0xDF, 0xDF, 0xDF, 0xFF, 0xFF, 0xFF,
531    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xDD, 0xDD, 0xDD,
532    0xDD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
533    0xFF, 0xDF, 0xDF, 0xDF, 0xDF
534  };
535
536/*
537  Gray0 pattern.
538*/
539static const unsigned char
540  Gray0Image[] =
541  {
542    0x50, 0x34, 0x0A, 0x33, 0x32, 0x20, 0x33, 0x32, 0x0A, 0xFF, 0xFF, 0xFF,
543    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
544    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
545    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
546    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
547    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
548    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
549    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
550    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
551    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
552    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
553    0xFF, 0xFF, 0xFF, 0xFF, 0xFF
554  };
555
556/*
557  Hexagons pattern.
558*/
559static const unsigned char
560  HexagonsImage[] =
561  {
562    0x50, 0x34, 0x0A, 0x33, 0x30, 0x20, 0x31, 0x38, 0x0A, 0x10, 0x01, 0x00,
563    0x00, 0x10, 0x01, 0x00, 0x00, 0x20, 0x00, 0x80, 0x00, 0x20, 0x00, 0x80,
564    0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x80, 0x00, 0x20,
565    0x00, 0x80, 0x00, 0x20, 0x00, 0x00, 0x00, 0x1F, 0xFC, 0x80, 0x00, 0x20,
566    0x00, 0x80, 0x00, 0x20, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40,
567    0x00, 0x20, 0x00, 0x80, 0x00, 0x20, 0x00, 0x80, 0x00, 0x10, 0x01, 0x00,
568    0x00, 0x10, 0x01, 0x00, 0x00, 0x0F, 0xFE, 0x00, 0x00
569  };
570
571/*
572  Horizontal pattern.
573*/
574static const unsigned char
575  HorizontalImage[] =
576  {
577    0x50, 0x34, 0x0A, 0x38, 0x20, 0x34, 0x0A, 0xFF, 0x00, 0x00, 0x00
578  };
579
580/*
581  HorizontalSaw pattern.
582*/
583static const unsigned char
584  HorizontalSawImage[] =
585  {
586    0x50, 0x34, 0x0A, 0x31, 0x36, 0x20, 0x38, 0x0A, 0x00, 0x00, 0x00, 0x00,
587    0x00, 0x00, 0x10, 0x10, 0x28, 0x28, 0x44, 0x44, 0x82, 0x82, 0x01, 0x01
588  };
589
590/*
591  HS_BDIAGONAL pattern (Windows GDI HS_BDIAGONAL)
592*/
593static const unsigned char
594  HS_BDIAGONALImage[] =
595  {
596    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x01, 0x02, 0x04, 0x08, 0x10,
597    0x20, 0x40, 0x80
598  };
599
600/*
601  HS_CROSS pattern (Windows GDI HS_CROSS)
602*/
603static const unsigned char
604  HS_CROSSImage[] =
605  {
606    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x10, 0x10, 0x10, 0xFF, 0x10,
607    0x10, 0x10, 0x10
608  };
609
610/*
611  HS_DIAGCROSS pattern (Windows GDI HS_DIAGCROSS)
612*/
613static const unsigned char
614  HS_DIAGCROSSImage[] =
615  {
616    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x81, 0x42, 0x24, 0x18, 0x18,
617    0x24, 0x42, 0x81
618  };
619
620/*
621  HS_FDIAGONAL pattern (Windows GDI HS_FDIAGONAL)
622*/
623static const unsigned char
624  HS_FDIAGONALImage[] =
625  {
626    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x80, 0x40, 0x20, 0x10, 0x08,
627    0x04, 0x02, 0x01
628  };
629
630/*
631  HS_HORIZONTAL pattern (Windows GDI HS_HORIZONTAL)
632*/
633static const unsigned char
634  HS_HORIZONTALImage[] =
635  {
636    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x00, 0x00, 0x00, 0xFF, 0x00,
637    0x00, 0x00, 0x00
638  };
639
640/*
641  HS_VERTICAL pattern (Windows GDI HS_VERTICAL)
642*/
643static const unsigned char
644  HS_VERTICALImage[] =
645  {
646    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x10, 0x10, 0x10, 0x10, 0x10,
647    0x10, 0x10, 0x10
648  };
649
650/*
651  Left30 pattern.
652*/
653static const unsigned char
654  Left30Image[] =
655  {
656    0x50, 0x34, 0x0A, 0x38, 0x20, 0x34, 0x0A, 0xC0, 0x30, 0x0C, 0x03
657  };
658
659/*
660  Left45 pattern.
661*/
662static const unsigned char
663  Left45Image[] =
664  {
665    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x80, 0x40, 0x20, 0x10, 0x08,
666    0x04, 0x02, 0x01
667  };
668
669/*
670  LeftShingle pattern.
671*/
672static const unsigned char
673  LeftShingleImage[] =
674  {
675    0x50, 0x34, 0x0A, 0x32, 0x34, 0x20, 0x32, 0x34, 0x0A, 0x00, 0x00, 0x01,
676    0x00, 0x00, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00, 0x04,
677    0x00, 0x00, 0x04, 0x00, 0x00, 0x08, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x00,
678    0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00, 0x04, 0x00, 0x00,
679    0x04, 0x00, 0x00, 0x08, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x01, 0x00,
680    0x00, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00, 0x04, 0x00,
681    0x00, 0x04, 0x00, 0x00, 0x08, 0x00, 0xFF, 0xFF, 0xFF
682  };
683
684/*
685  Octagons image declaration.
686*/
687static const unsigned char
688  OctagonsImage[] =
689  {
690    0x50, 0x34, 0x0A, 0x31, 0x36, 0x20, 0x31, 0x36, 0x0A, 0x07, 0xF0, 0x08,
691    0x08, 0x10, 0x04, 0x20, 0x02, 0x40, 0x01, 0x80, 0x00, 0x80, 0x00, 0x80,
692    0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x40, 0x01, 0x20,
693    0x02, 0x10, 0x04, 0x08, 0x08
694  };
695
696/*
697  Right30 pattern.
698*/
699static const unsigned char
700  Right30Image[] =
701  {
702    0x50, 0x34, 0x0A, 0x38, 0x20, 0x34, 0x0A, 0x03, 0x0C, 0x30, 0xC0
703  };
704
705/*
706  Right45 pattern.
707*/
708static const unsigned char
709  Right45Image[] =
710  {
711    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x01, 0x02, 0x04, 0x08, 0x10,
712    0x20, 0x40, 0x80
713  };
714
715/*
716  RightShingle pattern.
717*/
718static const unsigned char
719  RightShingleImage[] =
720  {
721    0x50, 0x34, 0x0A, 0x32, 0x34, 0x20, 0x32, 0x34, 0x0A, 0x00, 0x00, 0x08,
722    0x00, 0x00, 0x08, 0x00, 0x00, 0x04, 0x00, 0x00, 0x04, 0x00, 0x00, 0x02,
723    0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x00, 0x08, 0x00,
724    0x00, 0x08, 0x00, 0x00, 0x04, 0x00, 0x00, 0x04, 0x00, 0x00, 0x02, 0x00,
725    0x00, 0x02, 0x00, 0x00, 0x01, 0x00, 0xFF, 0xFF, 0xFF, 0x08, 0x00, 0x00,
726    0x08, 0x00, 0x00, 0x04, 0x00, 0x00, 0x04, 0x00, 0x00, 0x02, 0x00, 0x00,
727    0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0xFF, 0xFF, 0xFF
728  };
729
730/*
731  SmallFishScales pattern.
732*/
733static const unsigned char
734  SmallFishScalesImage[] =
735  {
736    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x80, 0x80, 0x41, 0x36, 0x08,
737    0x08, 0x14, 0x63
738  };
739
740/*
741  Vertical pattern.
742*/
743static const unsigned char
744  VerticalImage[] =
745  {
746    0x50, 0x34, 0x0A, 0x38, 0x20, 0x38, 0x0A, 0x11, 0x11, 0x11, 0x11, 0x11,
747    0x11, 0x11, 0x11
748  };
749
750/*
751  VerticalBricks pattern.
752*/
753static const unsigned char
754  VerticalBricksImage[] =
755  {
756    0x50, 0x34, 0x0A, 0x31, 0x36, 0x20, 0x31, 0x36, 0x0A, 0xFF, 0x01, 0x01,
757    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
758    0x01, 0x01, 0xFF, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
759    0x01, 0x01, 0x01, 0x01, 0x01
760  };
761
762/*
763  VerticalLeftShingle pattern.
764*/
765static const unsigned char
766  VerticalLeftShingleImage[] =
767  {
768    0x50, 0x34, 0x0A, 0x32, 0x34, 0x20, 0x32, 0x34, 0x0A, 0x01, 0x01, 0x01,
769    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x81,
770    0x01, 0x01, 0x61, 0x01, 0x01, 0x19, 0x01, 0x01, 0x07, 0x01, 0x01, 0x01,
771    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x81, 0x01,
772    0x01, 0x61, 0x01, 0x01, 0x19, 0x01, 0x01, 0x07, 0x01, 0x01, 0x01, 0x01,
773    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x81, 0x01, 0x01,
774    0x61, 0x01, 0x01, 0x19, 0x01, 0x01, 0x07, 0x01, 0x01
775  };
776
777/*
778  VerticalRightShingle pattern.
779*/
780static const unsigned char
781  VerticalRightShingleImage[] =
782  {
783    0x50, 0x34, 0x0A, 0x32, 0x34, 0x20, 0x32, 0x34, 0x0A, 0x01, 0x01, 0x01,
784    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x01,
785    0x01, 0x0D, 0x01, 0x01, 0x31, 0x01, 0x01, 0xC1, 0x01, 0x01, 0x01, 0x01,
786    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03,
787    0x01, 0x01, 0x0D, 0x01, 0x01, 0x31, 0x01, 0x01, 0xC1, 0x01, 0x01, 0x01,
788    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x01, 0x01,
789    0x0D, 0x01, 0x01, 0x31, 0x01, 0x01, 0xC1, 0x01, 0x01
790  };
791
792/*
793  VerticalSaw pattern.
794*/
795static const unsigned char
796  VerticalSawImage[] =
797  {
798    0x50, 0x34, 0x0A, 0x38, 0x20, 0x31, 0x36, 0x0A, 0x40, 0x20, 0x10, 0x08,
799    0x10, 0x20, 0x40, 0x80, 0x40, 0x20, 0x10, 0x08, 0x10, 0x20, 0x40, 0x80
800  };
801
802typedef struct _PatternInfo
803{
804  char
805    name[MaxTextExtent],
806    magick[MaxTextExtent];
807
808  const void
809    *blob;
810
811  size_t
812    extent;
813} PatternInfo;
814
815static const PatternInfo
816  PatternImageList[] =
817  {
818    { "BRICKS", "PBM", BricksImage, sizeof(BricksImage) },
819    { "CHECKERBOARD", "GIF", CheckerboardImage, sizeof(CheckerboardImage) },
820    { "CIRCLES", "PBM", CirclesImage, sizeof(CirclesImage) },
821    { "CROSSHATCH", "PBM", CrossHatchImage, sizeof(CrossHatchImage) },
822    { "CROSSHATCH30", "PBM", CrossHatch30Image, sizeof(CrossHatch30Image) },
823    { "CROSSHATCH45", "PBM", CrossHatch45Image, sizeof(CrossHatch45Image) },
824    { "FISHSCALES", "PBM", FishScalesImage, sizeof(FishScalesImage) },
825    { "GRAY0", "PBM", Gray0Image, sizeof(Gray0Image) },
826    { "GRAY5", "PBM", Gray5Image, sizeof(Gray5Image) },
827    { "GRAY10", "PBM", Gray10Image, sizeof(Gray10Image) },
828    { "GRAY15", "PBM", Gray15Image, sizeof(Gray15Image) },
829    { "GRAY20", "PBM", Gray20Image, sizeof(Gray20Image) },
830    { "GRAY25", "PBM", Gray25Image, sizeof(Gray25Image) },
831    { "GRAY30", "PBM", Gray30Image, sizeof(Gray30Image) },
832    { "GRAY35", "PBM", Gray35Image, sizeof(Gray35Image) },
833    { "GRAY40", "PBM", Gray40Image, sizeof(Gray40Image) },
834    { "GRAY45", "PBM", Gray45Image, sizeof(Gray45Image) },
835    { "GRAY50", "PBM", Gray50Image, sizeof(Gray50Image) },
836    { "GRAY55", "PBM", Gray55Image, sizeof(Gray55Image) },
837    { "GRAY60", "PBM", Gray60Image, sizeof(Gray60Image) },
838    { "GRAY65", "PBM", Gray65Image, sizeof(Gray65Image) },
839    { "GRAY70", "PBM", Gray70Image, sizeof(Gray70Image) },
840    { "GRAY75", "PBM", Gray75Image, sizeof(Gray75Image) },
841    { "GRAY80", "PBM", Gray80Image, sizeof(Gray80Image) },
842    { "GRAY85", "PBM", Gray85Image, sizeof(Gray85Image) },
843    { "GRAY90", "PBM", Gray90Image, sizeof(Gray90Image) },
844    { "GRAY95", "PBM", Gray95Image, sizeof(Gray95Image) },
845    { "GRAY100", "PBM", Gray100Image, sizeof(Gray100Image) },
846    { "HEXAGONS", "PBM", HexagonsImage, sizeof(HexagonsImage) },
847    { "HORIZONTAL", "PBM", HorizontalImage, sizeof(HorizontalImage) },
848    { "HORIZONTALSAW", "PBM", HorizontalSawImage, sizeof(HorizontalSawImage) },
849    { "HS_BDIAGONAL", "PBM", HS_BDIAGONALImage, sizeof(HS_BDIAGONALImage) },
850    { "HS_CROSS", "PBM", HS_CROSSImage, sizeof(HS_CROSSImage) },
851    { "HS_DIAGCROSS", "PBM", HS_DIAGCROSSImage, sizeof(HS_DIAGCROSSImage) },
852    { "HS_FDIAGONAL", "PBM", HS_FDIAGONALImage, sizeof(HS_FDIAGONALImage) },
853    { "HS_HORIZONTAL", "PBM", HS_HORIZONTALImage, sizeof(HS_HORIZONTALImage) },
854    { "HS_VERTICAL", "PBM", HS_VERTICALImage, sizeof(HS_VERTICALImage) },
855    { "LEFT30", "PBM", Left30Image, sizeof(Left30Image) },
856    { "LEFT45", "PBM", Left45Image, sizeof(Left45Image) },
857    { "LEFTSHINGLE", "PBM", LeftShingleImage, sizeof(LeftShingleImage) },
858    { "OCTAGONS", "PBM", OctagonsImage, sizeof(OctagonsImage) },
859    { "RIGHT30", "PBM", Right30Image, sizeof(Right30Image) },
860    { "RIGHT45", "PBM", Right45Image, sizeof(Right45Image) },
861    { "RIGHTSHINGLE", "PBM", RightShingleImage, sizeof(RightShingleImage) },
862    { "SMALLFISHSCALES", "PBM", SmallFishScalesImage,
863      sizeof(SmallFishScalesImage) },
864    { "VERTICAL", "PBM", VerticalImage, sizeof(VerticalImage) },
865    { "VERTICALBRICKS", "PBM", VerticalBricksImage,
866      sizeof(VerticalBricksImage) },
867    { "VERTICALLEFTSHINGLE", "PBM", VerticalLeftShingleImage,
868      sizeof(VerticalLeftShingleImage) },
869    { "VERTICALRIGHTSHINGLE", "PBM", VerticalRightShingleImage,
870      sizeof(VerticalRightShingleImage) },
871    { "VERTICALSAW", "PBM", VerticalSawImage, sizeof(VerticalSawImage) },
872    { "", "", (const void *) NULL, 0 }
873  };
874
875/*
876%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
877%                                                                             %
878%                                                                             %
879%                                                                             %
880%   R e a d P A T T E R N I m a g e                                           %
881%                                                                             %
882%                                                                             %
883%                                                                             %
884%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
885%
886%  ReadPATTERNImage() reads a PATTERN image file and returns it.  It
887%  allocates the memory necessary for the new Image structure and returns a
888%  pointer to the new image.
889%
890%  The format of the ReadPATTERNImage method is:
891%
892%      Image *ReadPATTERNImage(const ImageInfo *image_info,
893%        ExceptionInfo *exception)
894%
895%  A description of each parameter follows:
896%
897%    o image_info: the image info.
898%
899%    o exception: return any errors or warnings in this structure.
900%
901*/
902static Image *ReadPATTERNImage(const ImageInfo *image_info,
903  ExceptionInfo *exception)
904{
905  const void
906    *blob;
907
908  Image
909    *image;
910
911  ImageInfo
912    *blob_info;
913
914  register long
915    i;
916
917  size_t
918    extent;
919
920  blob_info=CloneImageInfo(image_info);
921  image=(Image *) NULL;
922  blob=(const void *) NULL;
923  extent=0;
924  for (i=0; PatternImageList[i].blob != (const void *) NULL; i++)
925    if (LocaleCompare(blob_info->filename,PatternImageList[i].name) == 0)
926      {
927        (void) CopyMagickString(blob_info->magick,PatternImageList[i].magick,
928          MaxTextExtent);
929        blob=PatternImageList[i].blob;
930        extent=PatternImageList[i].extent;
931        break;
932      }
933  if (blob == (const void *) NULL)
934    ThrowReaderException(OptionError,"UnrecognizedImageFormat");
935  image=BlobToImage(blob_info,blob,extent,exception);
936  if (image_info->size != (char *) NULL)
937    {
938      Image
939        *pattern_image;
940
941      /*
942        Tile pattern across image canvas.
943      */
944      pattern_image=image;
945      image=AcquireImage(blob_info);
946      image->background_color=pattern_image->background_color;
947      (void) SetImageBackgroundColor(image);
948      (void) TextureImage(image,pattern_image);
949      pattern_image=DestroyImage(pattern_image);
950    }
951  blob_info=DestroyImageInfo(blob_info);
952  return(GetFirstImageInList(image));
953}
954/*
955%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
956%                                                                             %
957%                                                                             %
958%                                                                             %
959%   R e g i s t e r P A T T E R N I m a g e                                   %
960%                                                                             %
961%                                                                             %
962%                                                                             %
963%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
964%
965%  RegisterPATTERNImage() adds attributes for the PATTERN, GRANITE, NETSCAPE,
966%  H, and ROSE image formats to the list of supported formats. The attributes
967%  include the image format tag, a method to read and/or write the format,
968%  whether the format supports the saving of more than one frame to the same
969%  file or blob, whether the format supports native in-memory I/O, and a
970%  brief description of the format.
971%
972%  The format of the RegisterPATTERNImage method is:
973%
974%      unsigned long RegisterPATTERNImage(void)
975%
976*/
977ModuleExport unsigned long RegisterPATTERNImage(void)
978{
979