24 #define PI 3.14159265358979323846
28 #define MAXINT 2147483647
31 #include "imdatatypes.h"
33 undef_int i_has_format(char *frmt);
35 /* constructors and destructors */
37 i_color *ICL_new_internal( unsigned char r,unsigned char g,unsigned char b,unsigned char a);
38 i_color *ICL_set_internal(i_color *cl,unsigned char r,unsigned char g,unsigned char b,unsigned char a);
39 void ICL_info (const i_color *cl);
40 void ICL_DESTROY (i_color *cl);
41 void ICL_add (i_color *dst, i_color *src, int ch);
43 extern i_fcolor *i_fcolor_new(double r, double g, double b, double a);
44 extern void i_fcolor_destroy(i_fcolor *cl);
46 extern void i_rgb_to_hsvf(i_fcolor *color);
47 extern void i_hsv_to_rgbf(i_fcolor *color);
48 extern void i_rgb_to_hsv(i_color *color);
49 extern void i_hsv_to_rgb(i_color *color);
51 i_img *IIM_new(int x,int y,int ch);
52 #define i_img_8_new IIM_new
53 void IIM_DESTROY(i_img *im);
54 i_img *i_img_new( void );
55 i_img *i_img_empty(i_img *im,int x,int y);
56 i_img *i_img_empty_ch(i_img *im,int x,int y,int ch);
57 void i_img_exorcise(i_img *im);
58 void i_img_destroy(i_img *im);
59 i_img *i_img_alloc(void);
60 void i_img_init(i_img *im);
62 void i_img_info(i_img *im,int *info);
64 extern i_img *i_sametype(i_img *im, int xsize, int ysize);
65 extern i_img *i_sametype_chans(i_img *im, int xsize, int ysize, int channels);
67 i_img *i_img_pal_new(int x, int y, int ch, int maxpal);
69 /* Image feature settings */
71 void i_img_setmask (i_img *im,int ch_mask);
72 int i_img_getmask (i_img *im);
73 int i_img_getchannels(i_img *im);
74 i_img_dim i_img_get_width(i_img *im);
75 i_img_dim i_img_get_height(i_img *im);
79 extern int i_ppix(i_img *im,int x,int y, const i_color *val);
80 extern int i_gpix(i_img *im,int x,int y,i_color *val);
81 extern int i_ppixf(i_img *im,int x,int y, const i_fcolor *val);
82 extern int i_gpixf(i_img *im,int x,int y,i_fcolor *val);
84 #define i_ppix(im, x, y, val) (((im)->i_f_ppix)((im), (x), (y), (val)))
85 #define i_gpix(im, x, y, val) (((im)->i_f_gpix)((im), (x), (y), (val)))
86 #define i_ppixf(im, x, y, val) (((im)->i_f_ppixf)((im), (x), (y), (val)))
87 #define i_gpixf(im, x, y, val) (((im)->i_f_gpixf)((im), (x), (y), (val)))
89 extern int i_plin(i_img *im, int l, int r, int y, const i_color *vals);
90 extern int i_glin(i_img *im, int l, int r, int y, i_color *vals);
91 extern int i_plinf(i_img *im, int l, int r, int y, const i_fcolor *vals);
92 extern int i_glinf(i_img *im, int l, int r, int y, i_fcolor *vals);
93 extern int i_gsamp(i_img *im, int l, int r, int y, i_sample_t *samp,
94 const int *chans, int chan_count);
95 extern int i_gsampf(i_img *im, int l, int r, int y, i_fsample_t *samp,
96 const int *chans, int chan_count);
97 extern int i_gpal(i_img *im, int x, int r, int y, i_palidx *vals);
98 extern int i_ppal(i_img *im, int x, int r, int y, const i_palidx *vals);
99 extern int i_addcolors(i_img *im, const i_color *colors, int count);
100 extern int i_getcolors(i_img *im, int i, i_color *, int count);
101 extern int i_colorcount(i_img *im);
102 extern int i_maxcolors(i_img *im);
103 extern int i_findcolor(i_img *im, const i_color *color, i_palidx *entry);
104 extern int i_setcolors(i_img *im, int index, const i_color *colors,
107 #define i_plin(im, l, r, y, val) (((im)->i_f_plin)(im, l, r, y, val))
108 #define i_glin(im, l, r, y, val) (((im)->i_f_glin)(im, l, r, y, val))
109 #define i_plinf(im, l, r, y, val) (((im)->i_f_plinf)(im, l, r, y, val))
110 #define i_glinf(im, l, r, y, val) (((im)->i_f_glinf)(im, l, r, y, val))
112 #define i_gsamp(im, l, r, y, samps, chans, count) \
113 (((im)->i_f_gsamp)((im), (l), (r), (y), (samps), (chans), (count)))
114 #define i_gsampf(im, l, r, y, samps, chans, count) \
115 (((im)->i_f_gsampf)((im), (l), (r), (y), (samps), (chans), (count)))
117 #define i_gsamp_bits(im, l, r, y, samps, chans, count, bits) \
118 (((im)->i_f_gsamp_bits) ? ((im)->i_f_gsamp_bits)((im), (l), (r), (y), (samps), (chans), (count), (bits)) : -1)
119 #define i_psamp_bits(im, l, r, y, samps, chans, count, bits) \
120 (((im)->i_f_psamp_bits) ? ((im)->i_f_psamp_bits)((im), (l), (r), (y), (samps), (chans), (count), (bits)) : -1)
122 #define i_findcolor(im, color, entry) \
123 (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
125 #define i_gpal(im, l, r, y, vals) \
126 (((im)->i_f_gpal) ? ((im)->i_f_gpal)((im), (l), (r), (y), (vals)) : 0)
127 #define i_ppal(im, l, r, y, vals) \
128 (((im)->i_f_ppal) ? ((im)->i_f_ppal)((im), (l), (r), (y), (vals)) : 0)
129 #define i_addcolors(im, colors, count) \
130 (((im)->i_f_addcolors) ? ((im)->i_f_addcolors)((im), (colors), (count)) : -1)
131 #define i_getcolors(im, index, color, count) \
132 (((im)->i_f_getcolors) ? \
133 ((im)->i_f_getcolors)((im), (index), (color), (count)) : 0)
134 #define i_setcolors(im, index, color, count) \
135 (((im)->i_f_setcolors) ? \
136 ((im)->i_f_setcolors)((im), (index), (color), (count)) : 0)
137 #define i_colorcount(im) \
138 (((im)->i_f_colorcount) ? ((im)->i_f_colorcount)(im) : -1)
139 #define i_maxcolors(im) \
140 (((im)->i_f_maxcolors) ? ((im)->i_f_maxcolors)(im) : -1)
141 #define i_findcolor(im, color, entry) \
142 (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
144 #define i_img_virtual(im) ((im)->virtual)
145 #define i_img_type(im) ((im)->type)
146 #define i_img_bits(im) ((im)->bits)
148 extern i_fill_t *i_new_fill_solidf(const i_fcolor *c, int combine);
149 extern i_fill_t *i_new_fill_solid(const i_color *c, int combine);
151 i_new_fill_hatch(const i_color *fg, const i_color *bg, int combine, int hatch,
152 const unsigned char *cust_hatch, int dx, int dy);
154 i_new_fill_hatchf(const i_fcolor *fg, const i_fcolor *bg, int combine, int hatch,
155 const unsigned char *cust_hatch, int dx, int dy);
157 i_new_fill_image(i_img *im, const double *matrix, int xoff, int yoff, int combine);
158 extern i_fill_t *i_new_fill_opacity(i_fill_t *, double alpha_mult);
159 extern void i_fill_destroy(i_fill_t *fill);
161 float i_gpix_pch(i_img *im,int x,int y,int ch);
163 /* functions for drawing primitives */
165 void i_box (i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
166 void i_box_filled (i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
167 void i_box_cfill(i_img *im, int x1, int y1, int x2, int y2, i_fill_t *fill);
168 void i_line (i_img *im,int x1,int y1,int x2,int y2,const i_color *val, int endp);
169 void i_line_aa (i_img *im,int x1,int y1,int x2,int y2,const i_color *val, int endp);
170 void i_arc (i_img *im,int x,int y,float rad,float d1,float d2,const i_color *val);
171 void i_arc_aa (i_img *im, double x, double y, double rad, double d1, double d2, const i_color *val);
172 void i_arc_cfill(i_img *im,int x,int y,float rad,float d1,float d2,i_fill_t *fill);
173 void i_arc_aa_cfill(i_img *im,double x,double y,double rad,double d1,double d2,i_fill_t *fill);
174 void i_circle_aa (i_img *im,float x, float y,float rad,const i_color *val);
175 void i_copyto (i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty);
176 void i_copyto_trans(i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty,const i_color *trans);
177 i_img* i_copy (i_img *src);
178 int i_rubthru (i_img *im, i_img *src, int tx, int ty, int src_minx, int src_miny, int src_maxx, int src_maxy);
180 i_compose_mask(i_img *out, i_img *src, i_img *mask,
181 int out_left, int out_top, int src_left, int src_top,
182 int mask_left, int mask_top, int width, int height,
183 int combine, double opacity);
185 i_compose(i_img *out, i_img *src,
186 int out_left, int out_top, int src_left, int src_top,
187 int width, int height, int combine, double opacity);
189 undef_int i_flipxy (i_img *im, int direction);
190 extern i_img *i_rotate90(i_img *im, int degrees);
191 extern i_img *i_rotate_exact(i_img *im, double amount);
192 extern i_img *i_rotate_exact_bg(i_img *im, double amount, const i_color *backp, const i_fcolor *fbackp);
193 extern i_img *i_matrix_transform(i_img *im, int xsize, int ysize, const double *matrix);
194 extern i_img *i_matrix_transform_bg(i_img *im, int xsize, int ysize, const double *matrix, const i_color *backp, const i_fcolor *fbackp);
196 void i_bezier_multi(i_img *im,int l,const double *x,const double *y,const i_color *val);
197 void i_poly_aa (i_img *im,int l,const double *x,const double *y,const i_color *val);
198 void i_poly_aa_cfill(i_img *im,int l,const double *x,const double *y,i_fill_t *fill);
200 undef_int i_flood_fill (i_img *im,int seedx,int seedy, const i_color *dcol);
201 undef_int i_flood_cfill(i_img *im, int seedx, int seedy, i_fill_t *fill);
202 undef_int i_flood_fill_border (i_img *im,int seedx,int seedy, const i_color *dcol, const i_color *border);
203 undef_int i_flood_cfill_border(i_img *im, int seedx, int seedy, i_fill_t *fill, const i_color *border);
206 /* image processing functions */
208 int i_gaussian (i_img *im, double stdev);
209 int i_conv (i_img *im,const double *coeff,int len);
210 void i_unsharp_mask(i_img *im, double stddev, double scale);
212 /* colour manipulation */
213 extern i_img *i_convert(i_img *src, const float *coeff, int outchan, int inchan);
214 extern void i_map(i_img *im, unsigned char (*maps)[256], unsigned int mask);
216 float i_img_diff (i_img *im1,i_img *im2);
220 undef_int i_init_fonts( int t1log );
224 undef_int i_init_t1( int t1log );
225 int i_t1_new( char *pfb, char *afm );
226 int i_t1_destroy( int font_id );
227 undef_int i_t1_cp( i_img *im, int xb, int yb, int channel, int fontnum, float points, char* str, int len, int align, int utf8, char const *flags );
228 undef_int i_t1_text( i_img *im, int xb, int yb, const i_color *cl, int fontnum, float points, const char* str, int len, int align, int utf8, char const *flags );
229 int i_t1_bbox( int fontnum, float point, const char *str, int len, int cords[6], int utf8, char const *flags );
230 void i_t1_set_aa( int st );
231 void close_t1( void );
232 int i_t1_has_chars(int font_num, char const *text, int len, int utf8, char *out);
233 extern int i_t1_face_name(int font_num, char *name_buf, size_t name_buf_size);
234 extern int i_t1_glyph_name(int font_num, unsigned long ch, char *name_buf,
235 size_t name_buf_size);
240 undef_int i_init_tt( void );
241 TT_Fonthandle* i_tt_new(const char *fontname);
242 void i_tt_destroy( TT_Fonthandle *handle );
243 undef_int i_tt_cp( TT_Fonthandle *handle,i_img *im,int xb,int yb,int channel,float points,char const* txt,int len,int smooth, int utf8, int align);
244 undef_int i_tt_text( TT_Fonthandle *handle, i_img *im, int xb, int yb, const i_color *cl, float points, char const* txt, int len, int smooth, int utf8, int align);
245 undef_int i_tt_bbox( TT_Fonthandle *handle, float points,const char *txt,int len,int cords[6], int utf8);
246 int i_tt_has_chars(TT_Fonthandle *handle, char const *text, int len, int utf8, char *out);
247 void i_tt_dump_names(TT_Fonthandle *handle);
248 int i_tt_face_name(TT_Fonthandle *handle, char *name_buf,
249 size_t name_buf_size);
250 int i_tt_glyph_name(TT_Fonthandle *handle, unsigned long ch, char *name_buf,
251 size_t name_buf_size);
253 #endif /* End of freetype headers */
257 extern int i_ft2_init(void);
258 extern FT2_Fonthandle * i_ft2_new(const char *name, int index);
259 extern void i_ft2_destroy(FT2_Fonthandle *handle);
260 extern int i_ft2_setdpi(FT2_Fonthandle *handle, int xdpi, int ydpi);
261 extern int i_ft2_getdpi(FT2_Fonthandle *handle, int *xdpi, int *ydpi);
262 extern int i_ft2_settransform(FT2_Fonthandle *handle, const double *matrix);
263 extern int i_ft2_sethinting(FT2_Fonthandle *handle, int hinting);
264 extern int i_ft2_bbox(FT2_Fonthandle *handle, double cheight, double cwidth,
265 char const *text, int len, int *bbox, int utf8);
266 extern int i_ft2_bbox_r(FT2_Fonthandle *handle, double cheight, double cwidth,
267 char const *text, int len, int vlayout, int utf8, int *bbox);
268 extern int i_ft2_text(FT2_Fonthandle *handle, i_img *im, int tx, int ty,
269 const i_color *cl, double cheight, double cwidth,
270 char const *text, int len, int align, int aa,
271 int vlayout, int utf8);
272 extern int i_ft2_cp(FT2_Fonthandle *handle, i_img *im, int tx, int ty,
273 int channel, double cheight, double cwidth,
274 char const *text, int len, int align, int aa, int vlayout,
276 extern int i_ft2_has_chars(FT2_Fonthandle *handle, char const *text, int len,
277 int utf8, char *work);
278 extern int i_ft2_face_name(FT2_Fonthandle *handle, char *name_buf,
279 size_t name_buf_size);
280 extern int i_ft2_can_face_name(void);
281 extern int i_ft2_glyph_name(FT2_Fonthandle *handle, unsigned long ch,
282 char *name_buf, size_t name_buf_size,
284 extern int i_ft2_can_do_glyph_names(void);
285 extern int i_ft2_face_has_glyph_names(FT2_Fonthandle *handle);
287 extern int i_ft2_get_multiple_masters(FT2_Fonthandle *handle,
290 i_ft2_is_multiple_master(FT2_Fonthandle *handle);
292 i_ft2_set_mm_coords(FT2_Fonthandle *handle, int coord_count, const long *coords);
297 extern int i_wf_bbox(const char *face, int size, const char *text, int length, int *bbox, int utf8);
298 extern int i_wf_text(const char *face, i_img *im, int tx, int ty, const i_color *cl,
299 int size, const char *text, int len, int align, int aa, int utf8);
300 extern int i_wf_cp(const char *face, i_img *im, int tx, int ty, int channel,
301 int size, const char *text, int len, int align, int aa, int utf8);
302 extern int i_wf_addfont(char const *file);
303 extern int i_wf_delfont(char const *file);
307 /* functions for reading and writing formats */
309 /* general reader callback
310 userdata - data the user passed into the reader
311 buffer - the buffer to fill with data
312 need - the amount of data needed
313 want - the amount of space we have to store data
314 fill buffer and return the number of bytes read, 0 for eof, -1 for error
317 typedef int (*i_read_callback_t)(char *userdata, char *buffer, int need,
320 /* i_gen_reader() translates the low-level requests from whatever library
321 into buffered requests.
322 but the called function can always bypass buffering by only ever
323 reading I<need> bytes.
325 #define CBBUFSIZ 4096
328 i_read_callback_t cb;
330 char buffer[CBBUFSIZ];
335 extern int i_gen_reader(i_gen_read_data *info, char *buffer, int need);
336 extern i_gen_read_data *i_gen_read_data_new(i_read_callback_t cb, char *userdata);
337 extern void i_free_gen_read_data(i_gen_read_data *);
339 /* general writer callback
340 userdata - the data the user passed into the writer
341 data - the data to write
342 data_size - the number of bytes to write
343 write the data, return non-zero on success, zero on failure.
345 typedef int (*i_write_callback_t)(char *userdata, char const *data, int size);
348 i_write_callback_t cb;
350 char buffer[CBBUFSIZ];
355 extern int i_gen_writer(i_gen_write_data *info, char const *data, int size);
356 extern i_gen_write_data *i_gen_write_data_new(i_write_callback_t cb, char *userdata, int maxlength);
357 extern int i_free_gen_write_data(i_gen_write_data *, int flush);
359 extern void i_quant_makemap(i_quantize *quant, i_img **imgs, int count);
360 extern i_palidx *i_quant_translate(i_quantize *quant, i_img *img);
361 extern void i_quant_transparent(i_quantize *quant, i_palidx *indices, i_img *img, i_palidx trans_index);
363 extern i_img *i_img_pal_new(int x, int y, int channels, int maxpal);
364 extern i_img *i_img_to_pal(i_img *src, i_quantize *quant);
365 extern i_img *i_img_to_rgb(i_img *src);
366 extern i_img *i_img_masked_new(i_img *targ, i_img *mask, int x, int y,
368 extern i_img *i_img_16_new(int x, int y, int ch);
369 extern i_img *i_img_to_rgb16(i_img *im);
370 extern i_img *i_img_double_new(int x, int y, int ch);
372 extern int i_img_is_monochrome(i_img *im, int *zero_is_white);
373 extern void i_get_file_background(i_img *im, i_color *bg);
374 extern void i_get_file_backgroundf(i_img *im, i_fcolor *bg);
376 const char * i_test_format_probe(io_glue *data, int length);
381 i_readjpeg_wiol(io_glue *ig, int length, char** iptc_itext, int *itlength);
382 undef_int i_writejpeg_wiol(i_img *im, io_glue *ig, int qfactor);
383 #endif /* HAVE_LIBJPEG */
386 i_img * i_readtiff_wiol(io_glue *ig, int allow_incomplete, int page);
387 i_img ** i_readtiff_multi_wiol(io_glue *ig, int length, int *count);
388 undef_int i_writetiff_wiol(i_img *im, io_glue *ig);
389 undef_int i_writetiff_multi_wiol(io_glue *ig, i_img **imgs, int count);
390 undef_int i_writetiff_wiol_faxable(i_img *im, io_glue *ig, int fine);
391 undef_int i_writetiff_multi_wiol_faxable(io_glue *ig, i_img **imgs, int count, int fine);
392 char const * i_tiff_libversion(void);
393 int i_tiff_has_compression(char const *name);
395 #endif /* HAVE_LIBTIFF */
398 i_img *i_readpng_wiol(io_glue *ig, int length);
399 undef_int i_writepng_wiol(i_img *im, io_glue *ig);
400 #endif /* HAVE_LIBPNG */
403 i_img *i_readgif(int fd, int **colour_table, int *colours);
404 i_img *i_readgif_wiol(io_glue *ig, int **colour_table, int *colours);
405 i_img *i_readgif_scalar(char *data, int length, int **colour_table, int *colours);
406 i_img *i_readgif_callback(i_read_callback_t callback, char *userdata, int **colour_table, int *colours);
407 i_img *i_readgif_single_wiol(io_glue *ig, int page);
408 extern i_img **i_readgif_multi(int fd, int *count);
409 extern i_img **i_readgif_multi_scalar(char *data, int length, int *count);
410 extern i_img **i_readgif_multi_callback(i_read_callback_t callback, char *userdata, int *count);
411 extern i_img **i_readgif_multi_wiol(io_glue *ig, int *count);
412 undef_int i_writegif(i_img *im,int fd,int colors,int pixdev,int fixedlen,i_color fixed[]);
413 undef_int i_writegifmc(i_img *im,int fd,int colors);
414 undef_int i_writegifex(i_img *im,int fd);
415 undef_int i_writegif_gen(i_quantize *quant, int fd, i_img **imgs, int count);
416 undef_int i_writegif_callback(i_quantize *quant, i_write_callback_t cb, char *userdata, int maxbuffer, i_img **imgs, int count);
417 undef_int i_writegif_wiol(io_glue *ig, i_quantize *quant,
418 i_img **imgs, int count);
419 void i_qdist(i_img *im);
421 #endif /* HAVE_LIBGIF */
423 i_img * i_readraw_wiol(io_glue *ig, int x, int y, int datachannels, int storechannels, int intrl);
424 undef_int i_writeraw_wiol(i_img* im, io_glue *ig);
426 i_img * i_readpnm_wiol(io_glue *ig, int allow_incomplete);
427 undef_int i_writeppm_wiol(i_img *im, io_glue *ig);
429 extern int i_writebmp_wiol(i_img *im, io_glue *ig);
430 extern i_img *i_readbmp_wiol(io_glue *ig, int allow_incomplete);
432 int tga_header_verify(unsigned char headbuf[18]);
434 i_img * i_readtga_wiol(io_glue *ig, int length);
435 undef_int i_writetga_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
437 i_img * i_readrgb_wiol(io_glue *ig, int length);
438 undef_int i_writergb_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
440 i_img * i_scaleaxis(i_img *im, float Value, int Axis);
441 i_img * i_scale_nn(i_img *im, float scx, float scy);
442 i_img * i_scale_mixing(i_img *src, int width, int height);
443 i_img * i_haar(i_img *im);
444 int i_count_colors(i_img *im,int maxc);
445 int i_get_anonymous_color_histo(i_img *im, unsigned int **col_usage, int maxc);
447 i_img * i_transform(i_img *im, int *opx,int opxl,int *opy,int opyl,double parm[],int parmlen);
450 i_img * i_transform2(int width, int height, int channels,
451 struct rm_op *ops, int ops_count,
452 double *n_regs, int n_regs_count,
453 i_color *c_regs, int c_regs_count,
454 i_img **in_imgs, int in_imgs_count);
458 void i_contrast(i_img *im, float intensity);
459 void i_hardinvert(i_img *im);
460 void i_noise(i_img *im, float amount, unsigned char type);
461 void i_bumpmap(i_img *im,i_img *bump,int channel,int light_x,int light_y,int strength);
462 void i_bumpmap_complex(i_img *im, i_img *bump, int channel, int tx, int ty, float Lx, float Ly,
463 float Lz, float cd, float cs, float n, i_color *Ia, i_color *Il, i_color *Is);
464 void i_postlevels(i_img *im,int levels);
465 void i_mosaic(i_img *im,int size);
466 void i_watermark(i_img *im,i_img *wmark,int tx,int ty,int pixdiff);
467 void i_autolevels(i_img *im,float lsat,float usat,float skew);
468 void i_radnoise(i_img *im,int xo,int yo,float rscale,float ascale);
469 void i_turbnoise(i_img *im,float xo,float yo,float scale);
470 void i_gradgen(i_img *im, int num, int *xo, int *yo, i_color *ival, int dmeasure);
471 int i_nearest_color(i_img *im, int num, int *xo, int *yo, i_color *ival, int dmeasure);
472 i_img *i_diff_image(i_img *im, i_img *im2, double mindist);
474 i_fountain(i_img *im, double xa, double ya, double xb, double yb,
475 i_fountain_type type, i_fountain_repeat repeat,
476 int combine, int super_sample, double ssample_param,
477 int count, i_fountain_seg *segs);
479 i_new_fill_fount(double xa, double ya, double xb, double yb,
480 i_fountain_type type, i_fountain_repeat repeat,
481 int combine, int super_sample, double ssample_param,
482 int count, i_fountain_seg *segs);
484 /* Debug only functions */
486 void malloc_state( void );
488 /* this is sort of obsolete now */
491 undef_int (*i_has_format)(char *frmt);
492 i_color*(*ICL_set)(i_color *cl,unsigned char r,unsigned char g,unsigned char b,unsigned char a);
493 void (*ICL_info)(const i_color *cl);
495 i_img*(*i_img_new)( void );
496 i_img*(*i_img_empty)(i_img *im,int x,int y);
497 i_img*(*i_img_empty_ch)(i_img *im,int x,int y,int ch);
498 void(*i_img_exorcise)(i_img *im);
500 void(*i_img_info)(i_img *im,int *info);
502 void(*i_img_setmask)(i_img *im,int ch_mask);
503 int (*i_img_getmask)(i_img *im);
506 int (*i_ppix)(i_img *im,int x,int y,i_color *val);
507 int (*i_gpix)(i_img *im,int x,int y,i_color *val);
509 void(*i_box)(i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
510 void(*i_line)(i_img *im,int x1,int y1,int x2,int y2,const i_color *val,int endp);
511 void(*i_arc)(i_img *im,int x,int y,float rad,float d1,float d2,const i_color *val);
512 void(*i_copyto)(i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty);
513 void(*i_copyto_trans)(i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty,const i_color *trans);
514 int(*i_rubthru)(i_img *im,i_img *src,int tx,int ty, int src_minx, int src_miny, int src_maxx, int src_maxy);
520 /* image tag processing */
521 extern void i_tags_new(i_img_tags *tags);
522 extern int i_tags_addn(i_img_tags *tags, char const *name, int code,
524 extern int i_tags_add(i_img_tags *tags, char const *name, int code,
525 char const *data, int size, int idata);
526 extern int i_tags_set(i_img_tags *tags, char const *name,
527 char const *data, int size);
528 extern int i_tags_setn(i_img_tags *tags, char const *name, int idata);
530 extern void i_tags_destroy(i_img_tags *tags);
531 extern int i_tags_find(i_img_tags *tags, char const *name, int start,
533 extern int i_tags_findn(i_img_tags *tags, int code, int start, int *entry);
534 extern int i_tags_delete(i_img_tags *tags, int entry);
535 extern int i_tags_delbyname(i_img_tags *tags, char const *name);
536 extern int i_tags_delbycode(i_img_tags *tags, int code);
537 extern int i_tags_get_float(i_img_tags *tags, char const *name, int code,
539 extern int i_tags_set_float(i_img_tags *tags, char const *name, int code,
541 extern int i_tags_set_float2(i_img_tags *tags, char const *name, int code,
542 double value, int places);
543 extern int i_tags_get_int(i_img_tags *tags, char const *name, int code,
545 extern int i_tags_get_string(i_img_tags *tags, char const *name, int code,
546 char *value, size_t value_size);
547 extern int i_tags_get_color(i_img_tags *tags, char const *name, int code,
549 extern int i_tags_set_color(i_img_tags *tags, char const *name, int code,
550 i_color const *value);
551 extern void i_tags_print(i_img_tags *tags);
553 /* image file limits */
555 i_set_image_file_limits(int width, int height, int bytes);
557 i_get_image_file_limits(int *width, int *height, int *bytes);
559 i_int_check_image_file_limits(int width, int height, int channels, int sample_size);
561 /* memory allocation */
562 void* mymalloc(int size);
563 void myfree(void *p);
564 void* myrealloc(void *p, size_t newsize);
565 void* mymalloc_file_line (size_t size, char* file, int line);
566 void myfree_file_line (void *p, char*file, int line);
567 void* myrealloc_file_line(void *p, size_t newsize, char* file,int line);
569 #ifdef IMAGER_DEBUG_MALLOC
571 #define mymalloc(x) (mymalloc_file_line((x), __FILE__, __LINE__))
572 #define myrealloc(x,y) (myrealloc_file_line((x),(y), __FILE__, __LINE__))
573 #define myfree(x) (myfree_file_line((x), __FILE__, __LINE__))
575 void malloc_state (void);
576 void* mymalloc_comm (int size, char *comm);
577 void bndcheck_all (void);
581 #define malloc_comm(a,b) (mymalloc(a))
582 void malloc_state(void);
584 #endif /* IMAGER_MALLOC_DEBUG */
586 #include "imrender.h"
587 #include "immacros.h"
590 i_adapt_colors(int dest_channels, int src_channels, i_color *colors,
593 i_adapt_fcolors(int dest_channels, int src_channels, i_fcolor *colors,
597 i_adapt_colors_bg(int dest_channels, int src_channels, i_color *colors,
598 size_t count, i_color const *bg);
600 i_adapt_fcolors_bg(int dest_channels, int src_channels, i_fcolor *colors,
601 size_t count, i_fcolor const *bg);
604 i_gsamp_bg(i_img *im, int l, int r, int y, i_sample_t *samples,
605 int out_channels, i_color const *bg);
608 i_gsampf_bg(i_img *im, int l, int r, int y, i_fsample_t *samples,
609 int out_channels, i_fcolor const *bg);