32 |
unsigned char *end = input + size; |
unsigned char *end = input + size; |
33 |
unsigned char *prevline = NULL, *line = NULL; |
unsigned char *prevline = NULL, *line = NULL; |
34 |
int opcode, count, offset, isfillormix, x = width; |
int opcode, count, offset, isfillormix, x = width; |
35 |
int lastopcode = -1, insertmix = False; |
int lastopcode = -1, insertmix = False, bicolour = False; |
36 |
uint8 code, colour1 = 0, colour2 = 0; |
uint8 code, colour1 = 0, colour2 = 0; |
37 |
uint8 mixmask, mask = 0, mix = 0xff; |
uint8 mixmask, mask = 0, mix = 0xff; |
38 |
|
|
87 |
mixmask = 0; |
mixmask = 0; |
88 |
switch (opcode) |
switch (opcode) |
89 |
{ |
{ |
90 |
case 0: /* Fill */ |
case 0: /* Fill */ |
91 |
if ((lastopcode == opcode) |
if ((lastopcode == opcode) |
92 |
&& !((x == width) && (prevline == NULL))) |
&& !((x == width) && (prevline == NULL))) |
93 |
insertmix = True; |
insertmix = True; |
94 |
break; |
break; |
95 |
case 8: /* Bicolour */ |
case 8: /* Bicolour */ |
96 |
colour1 = CVAL(input); |
colour1 = CVAL(input); |
97 |
case 3: /* Colour */ |
case 3: /* Colour */ |
98 |
colour2 = CVAL(input); |
colour2 = CVAL(input); |
99 |
break; |
break; |
100 |
case 6: /* SetMix/Mix */ |
case 6: /* SetMix/Mix */ |
101 |
case 7: /* SetMix/FillOrMix */ |
case 7: /* SetMix/FillOrMix */ |
102 |
mix = CVAL(input); |
mix = CVAL(input); |
103 |
opcode -= 5; |
opcode -= 5; |
104 |
break; |
break; |
122 |
|
|
123 |
switch (opcode) |
switch (opcode) |
124 |
{ |
{ |
125 |
case 0: /* Fill */ |
case 0: /* Fill */ |
126 |
if (insertmix) |
if (insertmix) |
127 |
{ |
{ |
128 |
if (prevline == NULL) |
if (prevline == NULL) |
129 |
line[x] = mix; |
line[x] = mix; |
130 |
else |
else |
131 |
line[x] = prevline[x] ^ mix; |
line[x] = |
132 |
|
prevline[x] ^ |
133 |
|
mix; |
134 |
|
|
135 |
insertmix = False; |
insertmix = False; |
136 |
count--; |
count--; |
138 |
} |
} |
139 |
|
|
140 |
if (prevline == NULL) |
if (prevline == NULL) |
141 |
REPEAT(line[x] = 0) |
{ |
142 |
|
REPEAT(line[x] = 0); |
143 |
|
} |
144 |
else |
else |
145 |
REPEAT(line[x] = prevline[x]) |
{ |
146 |
|
REPEAT(line[x] = prevline[x]); |
147 |
|
} |
148 |
break; |
break; |
149 |
|
|
150 |
case 1: /* Mix */ |
case 1: /* Mix */ |
151 |
if (prevline == NULL) |
if (prevline == NULL) |
152 |
REPEAT(line[x] = mix) |
{ |
153 |
|
REPEAT(line[x] = mix); |
154 |
|
} |
155 |
else |
else |
156 |
REPEAT(line[x] = prevline[x] ^ mix) |
{ |
157 |
|
REPEAT(line[x] = |
158 |
|
prevline[x] ^ mix); |
159 |
|
} |
160 |
break; |
break; |
161 |
|
|
162 |
case 2: /* Fill or Mix */ |
case 2: /* Fill or Mix */ |
163 |
if (prevline == NULL) |
if (prevline == NULL) |
164 |
REPEAT( |
{ |
165 |
MASK_UPDATE(); |
REPEAT(MASK_UPDATE(); |
166 |
|
if (mask & mixmask) |
167 |
if (mask & mixmask) |
line[x] = mix; |
168 |
line[x] = mix; |
else |
169 |
else |
line[x] = 0;); |
170 |
line[x] = 0; |
} |
|
) |
|
171 |
else |
else |
172 |
REPEAT( |
{ |
173 |
MASK_UPDATE(); |
REPEAT(MASK_UPDATE(); |
174 |
|
if (mask & mixmask) |
175 |
if (mask & mixmask) |
line[x] = |
176 |
line[x] = prevline[x] ^ mix; |
prevline[x] ^ mix; |
177 |
else |
else |
178 |
line[x] = prevline[x]; |
line[x] = |
179 |
) |
prevline[x];); |
180 |
|
} |
181 |
break; |
break; |
182 |
|
|
183 |
case 3: /* Colour */ |
case 3: /* Colour */ |
184 |
REPEAT(line[x] = colour2) |
REPEAT(line[x] = colour2); |
185 |
break; |
break; |
186 |
|
|
187 |
case 4: /* Copy */ |
case 4: /* Copy */ |
188 |
REPEAT(line[x] = CVAL(input)) |
REPEAT(line[x] = CVAL(input)); |
189 |
break; |
break; |
190 |
|
|
191 |
case 8: /* Bicolour */ |
case 8: /* Bicolour */ |
192 |
REPEAT(line[x] = colour1; line[++x] = colour2) |
REPEAT(if (bicolour) |
193 |
|
{ |
194 |
|
line[x] = colour2; |
195 |
|
bicolour = False;} |
196 |
|
else |
197 |
|
{ |
198 |
|
line[x] = colour1; |
199 |
|
bicolour = True; count++;} |
200 |
|
); |
201 |
break; |
break; |
202 |
|
|
203 |
case 13: /* White */ |
case 13: /* White */ |
204 |
REPEAT(line[x] = 0xff) |
REPEAT(line[x] = 0xff); |
205 |
break; |
break; |
206 |
|
|
207 |
case 14: /* Black */ |
case 14: /* Black */ |
208 |
REPEAT(line[x] = 0x00) |
REPEAT(line[x] = 0x00); |
209 |
break; |
break; |
210 |
|
|
211 |
default: |
default: |
212 |
NOTIMP("bitmap opcode 0x%x\n", opcode); |
NOTIMP("bitmap opcode 0x%x\n", |
213 |
|
opcode); |
214 |
return False; |
return False; |
215 |
} |
} |
216 |
} |
} |