191 |
return error; |
return error; |
192 |
} |
} |
193 |
|
|
194 |
|
|
195 |
|
/* most code is copied from Render_Stroke */ |
196 |
|
static FT_Error |
197 |
|
Render_Embolden( int first_index ) |
198 |
|
{ |
199 |
|
FT_F26Dot6 start_x, start_y, step_x, step_y, x, y; |
200 |
|
FTC_ScalerRec scaler; |
201 |
|
int i; |
202 |
|
grBitmap bit3; |
203 |
|
|
204 |
|
|
205 |
|
start_x = 4; |
206 |
|
start_y = 16 + current_font.height; |
207 |
|
|
208 |
|
|
209 |
|
scaler.face_id = current_font.face_id; |
210 |
|
scaler.width = current_font.width; |
211 |
|
scaler.height = current_font.height; |
212 |
|
scaler.pixel = 1; |
213 |
|
|
214 |
|
error = FTC_Manager_LookupSize( cache_manager, &scaler, &size ); |
215 |
|
if ( error ) |
216 |
|
goto Exit; |
217 |
|
|
218 |
|
step_x = size->metrics.x_ppem + 4; |
219 |
|
step_y = ( size->metrics.height >> 6 ) + 4; |
220 |
|
|
221 |
|
x = start_x; |
222 |
|
y = start_y; |
223 |
|
|
224 |
|
i = first_index; |
225 |
|
i = first_index; |
226 |
|
|
227 |
|
while ( i < face->num_glyphs ) |
228 |
|
{ |
229 |
|
int left, top, x_advance, y_advance, x_top, y_top; |
230 |
|
FT_GlyphSlot slot = size->face->glyph; |
231 |
|
FT_Glyph glyphp; |
232 |
|
|
233 |
|
#if 0 |
234 |
|
gindex = *(unsigned char*)p; |
235 |
|
if ( encoding == FT_ENCODING_NONE ) |
236 |
|
gindex = get_glyph_index( gindex ); |
237 |
|
#endif |
238 |
|
error = FT_Load_Glyph( size->face, i, FT_LOAD_DEFAULT ); |
239 |
|
if ( !error ) |
240 |
|
{ |
241 |
|
FT_Glyph glyphb; |
242 |
|
|
243 |
|
|
244 |
|
FT_GlyphSlot_Embolden( slot ); |
245 |
|
error = FT_Get_Glyph( slot, &glyphp ); |
246 |
|
if ( error ) |
247 |
|
goto Next; |
248 |
|
|
249 |
|
error = glyph_to_bitmap( glyphp, &bit3, &left, &top, |
250 |
|
&x_advance, &y_advance, |
251 |
|
(FT_Pointer*)&glyphb ); |
252 |
|
if ( !error ) |
253 |
|
{ |
254 |
|
/* now render the bitmap into the display surface */ |
255 |
|
x_top = x + left; |
256 |
|
y_top = y - top; |
257 |
|
grBlitGlyphToBitmap( &bit, &bit3, x_top, y_top, fore_color ); |
258 |
|
|
259 |
|
FT_Done_Glyph( glyphb ); |
260 |
|
FT_Done_Glyph( glyphp ); |
261 |
|
|
262 |
|
x += x_advance + 1; |
263 |
|
|
264 |
|
if ( x + size->metrics.x_ppem > bit.width ) |
265 |
|
{ |
266 |
|
x = start_x; |
267 |
|
y += step_y; |
268 |
|
|
269 |
|
if ( y >= bit.rows ) |
270 |
|
goto Exit; |
271 |
|
} |
272 |
|
} |
273 |
|
else |
274 |
|
FT_Done_Glyph( glyphp ); |
275 |
|
|
276 |
|
if ( error ) |
277 |
|
goto Next; |
278 |
|
} |
279 |
|
else |
280 |
|
{ |
281 |
|
Next: |
282 |
|
Fail++; |
283 |
|
} |
284 |
|
|
285 |
|
i++; |
286 |
|
} |
287 |
|
|
288 |
|
Exit: |
289 |
|
return error; |
290 |
|
} |
291 |
|
|
292 |
|
|
293 |
static FT_Error |
static FT_Error |
294 |
Render_All( int first_index ) |
Render_All( int first_index ) |
295 |
{ |
{ |
748 |
break; |
break; |
749 |
|
|
750 |
case grKEY( 'K' ): |
case grKEY( 'K' ): |
751 |
render_mode = 4; |
render_mode = RENDER_MODE_GAMMAGRID; |
752 |
new_header = (char*)"rendering gamma grid"; |
new_header = (char*)"rendering gamma grid"; |
753 |
break; |
break; |
754 |
|
|
755 |
case grKEY( ' ' ): |
case grKEY( ' ' ): |
756 |
render_mode = ( render_mode + 1 ) % 4; |
render_mode = ( render_mode + 1 ) % RENDER_MODE_GAMMAGRID; |
757 |
switch ( render_mode ) |
switch ( render_mode ) |
758 |
{ |
{ |
759 |
case 0: |
case RENDER_MODE_ALL: |
760 |
new_header = (char*)"rendering all glyphs in font"; |
new_header = (char*)"rendering all glyphs in font"; |
761 |
break; |
break; |
762 |
case 1: |
case RENDER_MODE_EMBOLDEN: |
763 |
new_header = (char*)"rendering test text string"; |
new_header = (char*)"rendering emboldened text"; |
764 |
break; |
break; |
765 |
case 2: |
case RENDER_MODE_STROKE: |
766 |
new_header = (char*)"rendering stroked text"; |
new_header = (char*)"rendering stroked text"; |
767 |
break; |
break; |
768 |
|
case RENDER_MODE_TEXT: |
769 |
default: |
new_header = (char*)"rendering test text string"; |
770 |
new_header = (char*)"rendering glyph waterfall"; |
break; |
771 |
|
case RENDER_MODE_WATERFALL: |
772 |
|
new_header = (char*)"rendering glyph waterfall"; |
773 |
|
break; |
774 |
|
case RENDER_MODE_GAMMAGRID: /* never happen */ |
775 |
|
new_header = (char*)"rendering gamma grid"; |
776 |
|
break; |
777 |
} |
} |
778 |
break; |
break; |
779 |
|
|
995 |
|
|
996 |
switch ( render_mode ) |
switch ( render_mode ) |
997 |
{ |
{ |
998 |
case 0: |
case RENDER_MODE_ALL: |
999 |
error = Render_All( Num ); |
error = Render_All( Num ); |
1000 |
break; |
break; |
1001 |
|
|
1002 |
case 1: |
case RENDER_MODE_EMBOLDEN: |
1003 |
error = Render_Text( Num ); |
error = Render_Embolden( Num ); |
1004 |
break; |
break; |
1005 |
|
|
1006 |
case 2: |
case RENDER_MODE_STROKE: |
1007 |
error = Render_Stroke( Num ); |
error = Render_Stroke( Num ); |
1008 |
break; |
break; |
1009 |
|
|
1010 |
case 4: |
case RENDER_MODE_TEXT: |
1011 |
error = Render_GammaGrid(); |
error = Render_Text( Num ); |
|
render_mode = 0; |
|
1012 |
break; |
break; |
1013 |
|
|
1014 |
default: |
case RENDER_MODE_WATERFALL: |
1015 |
error = Render_Waterfall( ptsize ); |
error = Render_Waterfall( ptsize ); |
1016 |
|
break; |
1017 |
|
|
1018 |
|
case RENDER_MODE_GAMMAGRID: |
1019 |
|
error = Render_GammaGrid(); |
1020 |
|
render_mode = RENDER_MODE_ALL; |
1021 |
} |
} |
1022 |
|
|
1023 |
if ( !new_header ) |
if ( !new_header ) |
1100 |
done_freetype(); |
done_freetype(); |
1101 |
exit( 0 ); /* for safety reasons */ |
exit( 0 ); /* for safety reasons */ |
1102 |
return 0; /* never reached */ |
return 0; /* never reached */ |
1103 |
} |
} |
1104 |
|
|
1105 |
|
|
1106 |
/* End */ |
/* End */ |