ReactOS  0.4.12-dev-51-ge94618b
Macros | Functions
bitmap.c File Reference
#include "precomp.h"
Include dependency graph for bitmap.c:

Go to the source code of this file.

Macros

#define CVAL(p)   (*(p++))
 
#define CVAL2(p, v)   { v = (*(p++)); v |= (*(p++)) << 8; }
 
#define UNROLL8(exp)   { exp exp exp exp exp exp exp exp }
 
#define REPEAT(statement)
 
#define MASK_UPDATE()
 

Functions

static RD_BOOL bitmap_decompress1 (uint8 *output, int width, int height, uint8 *input, int size)
 
static RD_BOOL bitmap_decompress2 (uint8 *output, int width, int height, uint8 *input, int size)
 
static RD_BOOL bitmap_decompress3 (uint8 *output, int width, int height, uint8 *input, int size)
 
static int process_plane (uint8 *in, int width, int height, uint8 *out, int size)
 
static RD_BOOL bitmap_decompress4 (uint8 *output, int width, int height, uint8 *input, int size)
 
RD_BOOL bitmap_decompress (uint8 *output, int width, int height, uint8 *input, int size, int Bpp)
 

Macro Definition Documentation

◆ CVAL

#define CVAL (   p)    (*(p++))

Definition at line 29 of file bitmap.c.

Referenced by bitmap_decompress1(), bitmap_decompress2(), bitmap_decompress3(), bitmap_decompress4(), and process_plane().

◆ CVAL2

#define CVAL2 (   p,
  v 
)    { v = (*(p++)); v |= (*(p++)) << 8; }

Definition at line 32 of file bitmap.c.

Referenced by bitmap_decompress2().

◆ MASK_UPDATE

#define MASK_UPDATE ( )
Value:
{ \
mixmask <<= 1; \
if (mixmask == 0) \
{ \
mask = fom_mask ? fom_mask : CVAL(input); \
mixmask = 1; \
} \
}
input
GLenum GLenum GLenum input
Definition: glext.h:9031
CVAL
#define CVAL(p)
Definition: bitmap.c:29

Definition at line 55 of file bitmap.c.

Referenced by bitmap_decompress1(), bitmap_decompress2(), and bitmap_decompress3().

◆ REPEAT

#define REPEAT (   statement)
Value:
{ \
while((count & ~0x7) && ((x+8) < width)) \
UNROLL8( statement; count--; x++; ); \
\
while((count > 0) && (x < width)) \
{ \
statement; \
count--; \
x++; \
} \
}
width
GLint GLint GLsizei width
Definition: gl.h:1546
count
GLuint GLuint GLsizei count
Definition: gl.h:1545
while
while(1)
Definition: macro.lex.yy.c:743
x
INT x
Definition: msvc.h:62

Definition at line 42 of file bitmap.c.

Referenced by bitmap_decompress1(), bitmap_decompress2(), and bitmap_decompress3().

◆ UNROLL8

#define UNROLL8 (   exp)    { exp exp exp exp exp exp exp exp }

Definition at line 40 of file bitmap.c.

Function Documentation

◆ bitmap_decompress()

RD_BOOL bitmap_decompress ( uint8 *  output,
int  width,
int  height,
uint8 *  input,
int  size,
int  Bpp 
)

Definition at line 884 of file bitmap.c.

Referenced by process_bitmap_updates(), process_bmpcache(), and process_bmpcache2().

885 {
886  RD_BOOL rv = False;
887 
888  switch (Bpp)
889  {
890  case 1:
891  rv = bitmap_decompress1(output, width, height, input, size);
892  break;
893  case 2:
894  rv = bitmap_decompress2(output, width, height, input, size);
895  break;
896  case 3:
897  rv = bitmap_decompress3(output, width, height, input, size);
898  break;
899  case 4:
900  rv = bitmap_decompress4(output, width, height, input, size);
901  break;
902  default:
903  unimpl("Bpp %d\n", Bpp);
904  break;
905  }
906  return rv;
907 }
width
GLint GLint GLsizei width
Definition: gl.h:1546
output
static UCHAR ULONG UCHAR ULONG UCHAR * output
Definition: bcrypt.c:29
bitmap_decompress1
static RD_BOOL bitmap_decompress1(uint8 *output, int width, int height, uint8 *input, int size)
Definition: bitmap.c:67
bitmap_decompress3
static RD_BOOL bitmap_decompress3(uint8 *output, int width, int height, uint8 *input, int size)
Definition: bitmap.c:464
RD_BOOL
int RD_BOOL
Definition: types.h:21
False
#define False
Definition: types.h:25
size
GLsizeiptr size
Definition: glext.h:5919
bitmap_decompress4
static RD_BOOL bitmap_decompress4(uint8 *output, int width, int height, uint8 *input, int size)
Definition: bitmap.c:856
bitmap_decompress2
static RD_BOOL bitmap_decompress2(uint8 *output, int width, int height, uint8 *input, int size)
Definition: bitmap.c:265
height
GLint GLint GLsizei GLsizei height
Definition: gl.h:1546
input
GLenum GLenum GLenum input
Definition: glext.h:9031
unimpl
void unimpl(char *format,...)
Definition: uimain.c:801

◆ bitmap_decompress1()

static RD_BOOL bitmap_decompress1 ( uint8 *  output,
int  width,
int  height,
uint8 *  input,
int  size 
)
static

Definition at line 67 of file bitmap.c.

Referenced by bitmap_decompress().

68 {
69  uint8 *end = input + size;
70  uint8 *prevline = NULL, *line = NULL;
71  int opcode, count, offset, isfillormix, x = width;
72  int lastopcode = -1, insertmix = False, bicolour = False;
73  uint8 code;
74  uint8 colour1 = 0, colour2 = 0;
75  uint8 mixmask, mask = 0;
76  uint8 mix = 0xff;
77  int fom_mask = 0;
78 
79  while (input < end)
80  {
81  fom_mask = 0;
82  code = CVAL(input);
83  opcode = code >> 4;
84  /* Handle different opcode forms */
85  switch (opcode)
86  {
87  case 0xc:
88  case 0xd:
89  case 0xe:
90  opcode -= 6;
91  count = code & 0xf;
92  offset = 16;
93  break;
94  case 0xf:
95  opcode = code & 0xf;
96  if (opcode < 9)
97  {
98  count = CVAL(input);
99  count |= CVAL(input) << 8;
100  }
101  else
102  {
103  count = (opcode < 0xb) ? 8 : 1;
104  }
105  offset = 0;
106  break;
107  default:
108  opcode >>= 1;
109  count = code & 0x1f;
110  offset = 32;
111  break;
112  }
113  /* Handle strange cases for counts */
114  if (offset != 0)
115  {
116  isfillormix = ((opcode == 2) || (opcode == 7));
117  if (count == 0)
118  {
119  if (isfillormix)
120  count = CVAL(input) + 1;
121  else
122  count = CVAL(input) + offset;
123  }
124  else if (isfillormix)
125  {
126  count <<= 3;
127  }
128  }
129  /* Read preliminary data */
130  switch (opcode)
131  {
132  case 0: /* Fill */
133  if ((lastopcode == opcode) && !((x == width) && (prevline == NULL)))
134  insertmix = True;
135  break;
136  case 8: /* Bicolour */
137  colour1 = CVAL(input);
138  case 3: /* Colour */
139  colour2 = CVAL(input);
140  break;
141  case 6: /* SetMix/Mix */
142  case 7: /* SetMix/FillOrMix */
143  mix = CVAL(input);
144  opcode -= 5;
145  break;
146  case 9: /* FillOrMix_1 */
147  mask = 0x03;
148  opcode = 0x02;
149  fom_mask = 3;
150  break;
151  case 0x0a: /* FillOrMix_2 */
152  mask = 0x05;
153  opcode = 0x02;
154  fom_mask = 5;
155  break;
156  }
157  lastopcode = opcode;
158  mixmask = 0;
159  /* Output body */
160  while (count > 0)
161  {
162  if (x >= width)
163  {
164  if (height <= 0)
165  return False;
166  x = 0;
167  height--;
168  prevline = line;
169  line = output + height * width;
170  }
171  switch (opcode)
172  {
173  case 0: /* Fill */
174  if (insertmix)
175  {
176  if (prevline == NULL)
177  line[x] = mix;
178  else
179  line[x] = prevline[x] ^ mix;
180  insertmix = False;
181  count--;
182  x++;
183  }
184  if (prevline == NULL)
185  {
186  REPEAT(line[x] = 0)
187  }
188  else
189  {
190  REPEAT(line[x] = prevline[x])
191  }
192  break;
193  case 1: /* Mix */
194  if (prevline == NULL)
195  {
196  REPEAT(line[x] = mix)
197  }
198  else
199  {
200  REPEAT(line[x] = prevline[x] ^ mix)
201  }
202  break;
203  case 2: /* Fill or Mix */
204  if (prevline == NULL)
205  {
206  REPEAT
207  (
208  MASK_UPDATE();
209  if (mask & mixmask)
210  line[x] = mix;
211  else
212  line[x] = 0;
213  )
214  }
215  else
216  {
217  REPEAT
218  (
219  MASK_UPDATE();
220  if (mask & mixmask)
221  line[x] = prevline[x] ^ mix;
222  else
223  line[x] = prevline[x];
224  )
225  }
226  break;
227  case 3: /* Colour */
228  REPEAT(line[x] = colour2)
229  break;
230  case 4: /* Copy */
231  REPEAT(line[x] = CVAL(input))
232  break;
233  case 8: /* Bicolour */
234  REPEAT
235  (
236  if (bicolour)
237  {
238  line[x] = colour2;
239  bicolour = False;
240  }
241  else
242  {
243  line[x] = colour1;
244  bicolour = True; count++;
245  }
246  )
247  break;
248  case 0xd: /* White */
249  REPEAT(line[x] = 0xff)
250  break;
251  case 0xe: /* Black */
252  REPEAT(line[x] = 0)
253  break;
254  default:
255  unimpl("bitmap opcode 0x%x\n", opcode);
256  return False;
257  }
258  }
259  }
260  return True;
261 }
width
GLint GLint GLsizei width
Definition: gl.h:1546
return
return
Definition: dirsup.c:529
output
static UCHAR ULONG UCHAR ULONG UCHAR * output
Definition: bcrypt.c:29
MASK_UPDATE
#define MASK_UPDATE()
Definition: bitmap.c:55
count
GLuint GLuint GLsizei count
Definition: gl.h:1545
opcode
GLenum GLclampf GLint GLenum GLuint GLenum GLenum GLsizei GLenum const GLvoid GLfloat GLfloat GLfloat GLfloat GLclampd GLint GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean GLboolean GLboolean GLboolean GLint GLenum GLsizei const GLvoid GLenum GLint GLenum GLint GLint GLsizei GLint GLenum GLint GLint GLint GLint GLsizei GLenum GLsizei const GLuint GLboolean GLenum GLenum GLint GLsizei GLenum GLsizei GLenum const GLvoid GLboolean const GLboolean GLenum const GLdouble const GLfloat const GLdouble const GLfloat GLenum GLint GLint GLint GLint GLint GLint GLenum GLfloat GLenum GLint GLenum GLsizei GLenum GLboolean GLenum GLdouble GLenum GLfloat GLenum GLenum GLfloat GLenum GLenum GLdouble GLenum GLenum GLint GLenum GLenum GLint GLenum GLuint GLenum GLvoid const GLubyte GLenum GLenum GLenum GLint GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLvoid GLenum GLint GLenum GLint GLenum GLenum GLint GLuint GLdouble GLfloat GLint GLshort GLubyte GLenum GLuint GLenum const GLfloat GLenum const GLint GLenum GLenum const GLfloat GLenum GLenum const GLint GLfloat const GLfloat GLenum opcode
Definition: glfuncs.h:172
offset
GLintptr offset
Definition: glext.h:5920
end
GLuint GLuint end
Definition: gl.h:1545
REPEAT
#define REPEAT(statement)
Definition: bitmap.c:42
n
GLuint n
Definition: s_context.h:57
mask
GLenum GLint GLuint mask
Definition: glext.h:6028
NULL
smooth NULL
Definition: ftsmooth.c:416
line
Definition: parser.c:48
bitmap
Definition: uimain.c:88
True
#define True
Definition: types.h:24
False
#define False
Definition: types.h:25
size
GLsizeiptr size
Definition: glext.h:5919
uint8
unsigned char uint8
Definition: types.h:28
line
char line[200]
Definition: main.c:97
code
int code
Definition: i386-dis.c:3591
height
GLint GLint GLsizei GLsizei height
Definition: gl.h:1546
input
GLenum GLenum GLenum input
Definition: glext.h:9031
x
INT x
Definition: msvc.h:62
mix
_In_ PATHOBJ _In_ CLIPOBJ _In_ BRUSHOBJ _In_ POINTL _In_ MIX mix
Definition: winddi.h:3591
CVAL
#define CVAL(p)
Definition: bitmap.c:29
unimpl
void unimpl(char *format,...)
Definition: uimain.c:801

◆ bitmap_decompress2()

static RD_BOOL bitmap_decompress2 ( uint8 *  output,
int  width,
int  height,
uint8 *  input,
int  size 
)
static

Definition at line 265 of file bitmap.c.

Referenced by bitmap_decompress().

266 {
267  uint8 *end = input + size;
268  uint16 *prevline = NULL, *line = NULL;
269  int opcode, count, offset, isfillormix, x = width;
270  int lastopcode = -1, insertmix = False, bicolour = False;
271  uint8 code;
272  uint16 colour1 = 0, colour2 = 0;
273  uint8 mixmask, mask = 0;
274  uint16 mix = 0xffff;
275  int fom_mask = 0;
276 
277  while (input < end)
278  {
279  fom_mask = 0;
280  code = CVAL(input);
281  opcode = code >> 4;
282  /* Handle different opcode forms */
283  switch (opcode)
284  {
285  case 0xc:
286  case 0xd:
287  case 0xe:
288  opcode -= 6;
289  count = code & 0xf;
290  offset = 16;
291  break;
292  case 0xf:
293  opcode = code & 0xf;
294  if (opcode < 9)
295  {
296  count = CVAL(input);
297  count |= CVAL(input) << 8;
298  }
299  else
300  {
301  count = (opcode < 0xb) ? 8 : 1;
302  }
303  offset = 0;
304  break;
305  default:
306  opcode >>= 1;
307  count = code & 0x1f;
308  offset = 32;
309  break;
310  }
311  /* Handle strange cases for counts */
312  if (offset != 0)
313  {
314  isfillormix = ((opcode == 2) || (opcode == 7));
315  if (count == 0)
316  {
317  if (isfillormix)
318  count = CVAL(input) + 1;
319  else
320  count = CVAL(input) + offset;
321  }
322  else if (isfillormix)
323  {
324  count <<= 3;
325  }
326  }
327  /* Read preliminary data */
328  switch (opcode)
329  {
330  case 0: /* Fill */
331  if ((lastopcode == opcode) && !((x == width) && (prevline == NULL)))
332  insertmix = True;
333  break;
334  case 8: /* Bicolour */
335  CVAL2(input, colour1);
336  case 3: /* Colour */
337  CVAL2(input, colour2);
338  break;
339  case 6: /* SetMix/Mix */
340  case 7: /* SetMix/FillOrMix */
341  CVAL2(input, mix);
342  opcode -= 5;
343  break;
344  case 9: /* FillOrMix_1 */
345  mask = 0x03;
346  opcode = 0x02;
347  fom_mask = 3;
348  break;
349  case 0x0a: /* FillOrMix_2 */
350  mask = 0x05;
351  opcode = 0x02;
352  fom_mask = 5;
353  break;
354  }
355  lastopcode = opcode;
356  mixmask = 0;
357  /* Output body */
358  while (count > 0)
359  {
360  if (x >= width)
361  {
362  if (height <= 0)
363  return False;
364  x = 0;
365  height--;
366  prevline = line;
367  line = ((uint16 *) output) + height * width;
368  }
369  switch (opcode)
370  {
371  case 0: /* Fill */
372  if (insertmix)
373  {
374  if (prevline == NULL)
375  line[x] = mix;
376  else
377  line[x] = prevline[x] ^ mix;
378  insertmix = False;
379  count--;
380  x++;
381  }
382  if (prevline == NULL)
383  {
384  REPEAT(line[x] = 0)
385  }
386  else
387  {
388  REPEAT(line[x] = prevline[x])
389  }
390  break;
391  case 1: /* Mix */
392  if (prevline == NULL)
393  {
394  REPEAT(line[x] = mix)
395  }
396  else
397  {
398  REPEAT(line[x] = prevline[x] ^ mix)
399  }
400  break;
401  case 2: /* Fill or Mix */
402  if (prevline == NULL)
403  {
404  REPEAT
405  (
406  MASK_UPDATE();
407  if (mask & mixmask)
408  line[x] = mix;
409  else
410  line[x] = 0;
411  )
412  }
413  else
414  {
415  REPEAT
416  (
417  MASK_UPDATE();
418  if (mask & mixmask)
419  line[x] = prevline[x] ^ mix;
420  else
421  line[x] = prevline[x];
422  )
423  }
424  break;
425  case 3: /* Colour */
426  REPEAT(line[x] = colour2)
427  break;
428  case 4: /* Copy */
429  REPEAT(CVAL2(input, line[x]))
430  break;
431  case 8: /* Bicolour */
432  REPEAT
433  (
434  if (bicolour)
435  {
436  line[x] = colour2;
437  bicolour = False;
438  }
439  else
440  {
441  line[x] = colour1;
442  bicolour = True;
443  count++;
444  }
445  )
446  break;
447  case 0xd: /* White */
448  REPEAT(line[x] = 0xffff)
449  break;
450  case 0xe: /* Black */
451  REPEAT(line[x] = 0)
452  break;
453  default:
454  unimpl("bitmap opcode 0x%x\n", opcode);
455  return False;
456  }
457  }
458  }
459  return True;
460 }
width
GLint GLint GLsizei width
Definition: gl.h:1546
return
return
Definition: dirsup.c:529
CVAL2
#define CVAL2(p, v)
Definition: bitmap.c:32
output
static UCHAR ULONG UCHAR ULONG UCHAR * output
Definition: bcrypt.c:29
MASK_UPDATE
#define MASK_UPDATE()
Definition: bitmap.c:55
count
GLuint GLuint GLsizei count
Definition: gl.h:1545
opcode
GLenum GLclampf GLint GLenum GLuint GLenum GLenum GLsizei GLenum const GLvoid GLfloat GLfloat GLfloat GLfloat GLclampd GLint GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean GLboolean GLboolean GLboolean GLint GLenum GLsizei const GLvoid GLenum GLint GLenum GLint GLint GLsizei GLint GLenum GLint GLint GLint GLint GLsizei GLenum GLsizei const GLuint GLboolean GLenum GLenum GLint GLsizei GLenum GLsizei GLenum const GLvoid GLboolean const GLboolean GLenum const GLdouble const GLfloat const GLdouble const GLfloat GLenum GLint GLint GLint GLint GLint GLint GLenum GLfloat GLenum GLint GLenum GLsizei GLenum GLboolean GLenum GLdouble GLenum GLfloat GLenum GLenum GLfloat GLenum GLenum GLdouble GLenum GLenum GLint GLenum GLenum GLint GLenum GLuint GLenum GLvoid const GLubyte GLenum GLenum GLenum GLint GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLvoid GLenum GLint GLenum GLint GLenum GLenum GLint GLuint GLdouble GLfloat GLint GLshort GLubyte GLenum GLuint GLenum const GLfloat GLenum const GLint GLenum GLenum const GLfloat GLenum GLenum const GLint GLfloat const GLfloat GLenum opcode
Definition: glfuncs.h:172
offset
GLintptr offset
Definition: glext.h:5920
end
GLuint GLuint end
Definition: gl.h:1545
REPEAT
#define REPEAT(statement)
Definition: bitmap.c:42
n
GLuint n
Definition: s_context.h:57
mask
GLenum GLint GLuint mask
Definition: glext.h:6028
NULL
smooth NULL
Definition: ftsmooth.c:416
line
Definition: parser.c:48
bitmap
Definition: uimain.c:88
True
#define True
Definition: types.h:24
False
#define False
Definition: types.h:25
size
GLsizeiptr size
Definition: glext.h:5919
uint8
unsigned char uint8
Definition: types.h:28
line
char line[200]
Definition: main.c:97
code
int code
Definition: i386-dis.c:3591
height
GLint GLint GLsizei GLsizei height
Definition: gl.h:1546
input
GLenum GLenum GLenum input
Definition: glext.h:9031
x
INT x
Definition: msvc.h:62
uint16
unsigned short uint16
Definition: types.h:30
mix
_In_ PATHOBJ _In_ CLIPOBJ _In_ BRUSHOBJ _In_ POINTL _In_ MIX mix
Definition: winddi.h:3591
CVAL
#define CVAL(p)
Definition: bitmap.c:29
unimpl
void unimpl(char *format,...)
Definition: uimain.c:801

◆ bitmap_decompress3()

static RD_BOOL bitmap_decompress3 ( uint8 *  output,
int  width,
int  height,
uint8 *  input,
int  size 
)
static

Definition at line 464 of file bitmap.c.

Referenced by bitmap_decompress().

465 {
466  uint8 *end = input + size;
467  uint8 *prevline = NULL, *line = NULL;
468  int opcode, count, offset, isfillormix, x = width;
469  int lastopcode = -1, insertmix = False, bicolour = False;
470  uint8 code;
471  uint8 colour1[3] = {0, 0, 0}, colour2[3] = {0, 0, 0};
472  uint8 mixmask, mask = 0;
473  uint8 mix[3] = {0xff, 0xff, 0xff};
474  int fom_mask = 0;
475 
476  while (input < end)
477  {
478  fom_mask = 0;
479  code = CVAL(input);
480  opcode = code >> 4;
481  /* Handle different opcode forms */
482  switch (opcode)
483  {
484  case 0xc:
485  case 0xd:
486  case 0xe:
487  opcode -= 6;
488  count = code & 0xf;
489  offset = 16;
490  break;
491  case 0xf:
492  opcode = code & 0xf;
493  if (opcode < 9)
494  {
495  count = CVAL(input);
496  count |= CVAL(input) << 8;
497  }
498  else
499  {
500  count = (opcode <
501  0xb) ? 8 : 1;
502  }
503  offset = 0;
504  break;
505  default:
506  opcode >>= 1;
507  count = code & 0x1f;
508  offset = 32;
509  break;
510  }
511  /* Handle strange cases for counts */
512  if (offset != 0)
513  {
514  isfillormix = ((opcode == 2) || (opcode == 7));
515  if (count == 0)
516  {
517  if (isfillormix)
518  count = CVAL(input) + 1;
519  else
520  count = CVAL(input) + offset;
521  }
522  else if (isfillormix)
523  {
524  count <<= 3;
525  }
526  }
527  /* Read preliminary data */
528  switch (opcode)
529  {
530  case 0: /* Fill */
531  if ((lastopcode == opcode) && !((x == width) && (prevline == NULL)))
532  insertmix = True;
533  break;
534  case 8: /* Bicolour */
535  colour1[0] = CVAL(input);
536  colour1[1] = CVAL(input);
537  colour1[2] = CVAL(input);
538  case 3: /* Colour */
539  colour2[0] = CVAL(input);
540  colour2[1] = CVAL(input);
541  colour2[2] = CVAL(input);
542  break;
543  case 6: /* SetMix/Mix */
544  case 7: /* SetMix/FillOrMix */
545  mix[0] = CVAL(input);
546  mix[1] = CVAL(input);
547  mix[2] = CVAL(input);
548  opcode -= 5;
549  break;
550  case 9: /* FillOrMix_1 */
551  mask = 0x03;
552  opcode = 0x02;
553  fom_mask = 3;
554  break;
555  case 0x0a: /* FillOrMix_2 */
556  mask = 0x05;
557  opcode = 0x02;
558  fom_mask = 5;
559  break;
560  }
561  lastopcode = opcode;
562  mixmask = 0;
563  /* Output body */
564  while (count > 0)
565  {
566  if (x >= width)
567  {
568  if (height <= 0)
569  return False;
570  x = 0;
571  height--;
572  prevline = line;
573  line = output + height * (width * 3);
574  }
575  switch (opcode)
576  {
577  case 0: /* Fill */
578  if (insertmix)
579  {
580  if (prevline == NULL)
581  {
582  line[x * 3] = mix[0];
583  line[x * 3 + 1] = mix[1];
584  line[x * 3 + 2] = mix[2];
585  }
586  else
587  {
588  line[x * 3] =
589  prevline[x * 3] ^ mix[0];
590  line[x * 3 + 1] =
591  prevline[x * 3 + 1] ^ mix[1];
592  line[x * 3 + 2] =
593  prevline[x * 3 + 2] ^ mix[2];
594  }
595  insertmix = False;
596  count--;
597  x++;
598  }
599  if (prevline == NULL)
600  {
601  REPEAT
602  (
603  line[x * 3] = 0;
604  line[x * 3 + 1] = 0;
605  line[x * 3 + 2] = 0;
606  )
607  }
608  else
609  {
610  REPEAT
611  (
612  line[x * 3] = prevline[x * 3];
613  line[x * 3 + 1] = prevline[x * 3 + 1];
614  line[x * 3 + 2] = prevline[x * 3 + 2];
615  )
616  }
617  break;
618  case 1: /* Mix */
619  if (prevline == NULL)
620  {
621  REPEAT
622  (
623  line[x * 3] = mix[0];
624  line[x * 3 + 1] = mix[1];
625  line[x * 3 + 2] = mix[2];
626  )
627  }
628  else
629  {
630  REPEAT
631  (
632  line[x * 3] =
633  prevline[x * 3] ^ mix[0];
634  line[x * 3 + 1] =
635  prevline[x * 3 + 1] ^ mix[1];
636  line[x * 3 + 2] =
637  prevline[x * 3 + 2] ^ mix[2];
638  )
639  }
640  break;
641  case 2: /* Fill or Mix */
642  if (prevline == NULL)
643  {
644  REPEAT
645  (
646  MASK_UPDATE();
647  if (mask & mixmask)
648  {
649  line[x * 3] = mix[0];
650  line[x * 3 + 1] = mix[1];
651  line[x * 3 + 2] = mix[2];
652  }
653  else
654  {
655  line[x * 3] = 0;
656  line[x * 3 + 1] = 0;
657  line[x * 3 + 2] = 0;
658  }
659  )
660  }
661  else
662  {
663  REPEAT
664  (
665  MASK_UPDATE();
666  if (mask & mixmask)
667  {
668  line[x * 3] =
669  prevline[x * 3] ^ mix [0];
670  line[x * 3 + 1] =
671  prevline[x * 3 + 1] ^ mix [1];
672  line[x * 3 + 2] =
673  prevline[x * 3 + 2] ^ mix [2];
674  }
675  else
676  {
677  line[x * 3] =
678  prevline[x * 3];
679  line[x * 3 + 1] =
680  prevline[x * 3 + 1];
681  line[x * 3 + 2] =
682  prevline[x * 3 + 2];
683  }
684  )
685  }
686  break;
687  case 3: /* Colour */
688  REPEAT
689  (
690  line[x * 3] = colour2 [0];
691  line[x * 3 + 1] = colour2 [1];
692  line[x * 3 + 2] = colour2 [2];
693  )
694  break;
695  case 4: /* Copy */
696  REPEAT
697  (
698  line[x * 3] = CVAL(input);
699  line[x * 3 + 1] = CVAL(input);
700  line[x * 3 + 2] = CVAL(input);
701  )
702  break;
703  case 8: /* Bicolour */
704  REPEAT
705  (
706  if (bicolour)
707  {
708  line[x * 3] = colour2[0];
709  line[x * 3 + 1] = colour2[1];
710  line[x * 3 + 2] = colour2[2];
711  bicolour = False;
712  }
713  else
714  {
715  line[x * 3] = colour1[0];
716  line[x * 3 + 1] = colour1[1];
717  line[x * 3 + 2] = colour1[2];
718  bicolour = True;
719  count++;
720  }
721  )
722  break;
723  case 0xd: /* White */
724  REPEAT
725  (
726  line[x * 3] = 0xff;
727  line[x * 3 + 1] = 0xff;
728  line[x * 3 + 2] = 0xff;
729  )
730  break;
731  case 0xe: /* Black */
732  REPEAT
733  (
734  line[x * 3] = 0;
735  line[x * 3 + 1] = 0;
736  line[x * 3 + 2] = 0;
737  )
738  break;
739  default:
740  unimpl("bitmap opcode 0x%x\n", opcode);
741  return False;
742  }
743  }
744  }
745  return True;
746 }
width
GLint GLint GLsizei width
Definition: gl.h:1546
output
static UCHAR ULONG UCHAR ULONG UCHAR * output
Definition: bcrypt.c:29
MASK_UPDATE
#define MASK_UPDATE()
Definition: bitmap.c:55
count
GLuint GLuint GLsizei count
Definition: gl.h:1545
opcode
GLenum GLclampf GLint GLenum GLuint GLenum GLenum GLsizei GLenum const GLvoid GLfloat GLfloat GLfloat GLfloat GLclampd GLint GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean GLboolean GLboolean GLboolean GLint GLenum GLsizei const GLvoid GLenum GLint GLenum GLint GLint GLsizei GLint GLenum GLint GLint GLint GLint GLsizei GLenum GLsizei const GLuint GLboolean GLenum GLenum GLint GLsizei GLenum GLsizei GLenum const GLvoid GLboolean const GLboolean GLenum const GLdouble const GLfloat const GLdouble const GLfloat GLenum GLint GLint GLint GLint GLint GLint GLenum GLfloat GLenum GLint GLenum GLsizei GLenum GLboolean GLenum GLdouble GLenum GLfloat GLenum GLenum GLfloat GLenum GLenum GLdouble GLenum GLenum GLint GLenum GLenum GLint GLenum GLuint GLenum GLvoid const GLubyte GLenum GLenum GLenum GLint GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLvoid GLenum GLint GLenum GLint GLenum GLenum GLint GLuint GLdouble GLfloat GLint GLshort GLubyte GLenum GLuint GLenum const GLfloat GLenum const GLint GLenum GLenum const GLfloat GLenum GLenum const GLint GLfloat const GLfloat GLenum opcode
Definition: glfuncs.h:172
offset
GLintptr offset
Definition: glext.h:5920
end
GLuint GLuint end
Definition: gl.h:1545
REPEAT
#define REPEAT(statement)
Definition: bitmap.c:42
mask
GLenum GLint GLuint mask
Definition: glext.h:6028
NULL
smooth NULL
Definition: ftsmooth.c:416
line
Definition: parser.c:48
True
#define True
Definition: types.h:24
False
#define False
Definition: types.h:25
size
GLsizeiptr size
Definition: glext.h:5919
uint8
unsigned char uint8
Definition: types.h:28
line
char line[200]
Definition: main.c:97
code
int code
Definition: i386-dis.c:3591
height
GLint GLint GLsizei GLsizei height
Definition: gl.h:1546
input
GLenum GLenum GLenum input
Definition: glext.h:9031
x
INT x
Definition: msvc.h:62
mix
_In_ PATHOBJ _In_ CLIPOBJ _In_ BRUSHOBJ _In_ POINTL _In_ MIX mix
Definition: winddi.h:3591
CVAL
#define CVAL(p)
Definition: bitmap.c:29
unimpl
void unimpl(char *format,...)
Definition: uimain.c:801

◆ bitmap_decompress4()

static RD_BOOL bitmap_decompress4 ( uint8 *  output,
int  width,
int  height,
uint8 *  input,
int  size 
)
static

Definition at line 856 of file bitmap.c.

Referenced by bitmap_decompress().

857 {
858  int code;
859  int bytes_pro;
860  int total_pro;
861 
862  code = CVAL(input);
863  if (code != 0x10)
864  {
865  return False;
866  }
867  total_pro = 1;
868  bytes_pro = process_plane(input, width, height, output + 3, size - total_pro);
869  total_pro += bytes_pro;
870  input += bytes_pro;
871  bytes_pro = process_plane(input, width, height, output + 2, size - total_pro);
872  total_pro += bytes_pro;
873  input += bytes_pro;
874  bytes_pro = process_plane(input, width, height, output + 1, size - total_pro);
875  total_pro += bytes_pro;
876  input += bytes_pro;
877  bytes_pro = process_plane(input, width, height, output + 0, size - total_pro);
878  total_pro += bytes_pro;
879  return size == total_pro;
880 }
width
GLint GLint GLsizei width
Definition: gl.h:1546
output
static UCHAR ULONG UCHAR ULONG UCHAR * output
Definition: bcrypt.c:29
process_plane
static int process_plane(uint8 *in, int width, int height, uint8 *out, int size)
Definition: bitmap.c:750
False
#define False
Definition: types.h:25
size
GLsizeiptr size
Definition: glext.h:5919
code
int code
Definition: i386-dis.c:3591
height
GLint GLint GLsizei GLsizei height
Definition: gl.h:1546
input
GLenum GLenum GLenum input
Definition: glext.h:9031
CVAL
#define CVAL(p)
Definition: bitmap.c:29

◆ process_plane()

static int process_plane ( uint8 *  in,
int  width,
int  height,
uint8 *  out,
int  size 
)
static

Definition at line 750 of file bitmap.c.

Referenced by bitmap_decompress4().

751 {
752  int indexw;
753  int indexh;
754  int code;
755  int collen;
756  int replen;
757  int color;
758  int x;
759  int revcode;
760  uint8 * last_line;
761  uint8 * this_line;
762  uint8 * org_in;
763  uint8 * org_out;
764 
765  org_in = in;
766  org_out = out;
767  last_line = 0;
768  indexh = 0;
769  while (indexh < height)
770  {
771  out = (org_out + width * height * 4) - ((indexh + 1) * width * 4);
772  color = 0;
773  this_line = out;
774  indexw = 0;
775  if (last_line == 0)
776  {
777  while (indexw < width)
778  {
779  code = CVAL(in);
780  replen = code & 0xf;
781  collen = (code >> 4) & 0xf;
782  revcode = (replen << 4) | collen;
783  if ((revcode <= 47) && (revcode >= 16))
784  {
785  replen = revcode;
786  collen = 0;
787  }
788  while (collen > 0)
789  {
790  color = CVAL(in);
791  *out = color;
792  out += 4;
793  indexw++;
794  collen--;
795  }
796  while (replen > 0)
797  {
798  *out = color;
799  out += 4;
800  indexw++;
801  replen--;
802  }
803  }
804  }
805  else
806  {
807  while (indexw < width)
808  {
809  code = CVAL(in);
810  replen = code & 0xf;
811  collen = (code >> 4) & 0xf;
812  revcode = (replen << 4) | collen;
813  if ((revcode <= 47) && (revcode >= 16))
814  {
815  replen = revcode;
816  collen = 0;
817  }
818  while (collen > 0)
819  {
820  x = CVAL(in);
821  if (x & 1)
822  {
823  x = x >> 1;
824  x = x + 1;
825  color = -x;
826  }
827  else
828  {
829  x = x >> 1;
830  color = x;
831  }
832  x = last_line[indexw * 4] + color;
833  *out = x;
834  out += 4;
835  indexw++;
836  collen--;
837  }
838  while (replen > 0)
839  {
840  x = last_line[indexw * 4] + color;
841  *out = x;
842  out += 4;
843  indexw++;
844  replen--;
845  }
846  }
847  }
848  indexh++;
849  last_line = this_line;
850  }
851  return (int) (in - org_in);
852 }
width
GLint GLint GLsizei width
Definition: gl.h:1546
color
GLuint color
Definition: glext.h:6243
out
static FILE * out
Definition: regtests2xml.c:44
uint8
unsigned char uint8
Definition: types.h:28
code
int code
Definition: i386-dis.c:3591
height
GLint GLint GLsizei GLsizei height
Definition: gl.h:1546
in
GLfloat CONST GLvector4f * in
Definition: m_xform.h:122
x
INT x
Definition: msvc.h:62
CVAL
#define CVAL(p)
Definition: bitmap.c:29