Various changes:
[imager.git] / imager.h
CommitLineData
02d1d628
AMH
1#ifndef _IMAGE_H_
2#define _IMAGE_H_
3
e11d297f 4#include "imconfig.h"
7ac6a2e9 5#include "imio.h"
02d1d628
AMH
6#include "iolayer.h"
7#include "log.h"
8#include "stackmach.h"
9
10
11#ifndef _MSC_VER
12#include <unistd.h>
13#endif
14#include <string.h>
15#include <stdio.h>
16#include <math.h>
17#include <stdlib.h>
18
19#ifdef SUNOS
20#include <strings.h>
21#endif
22
23#ifndef PI
24#define PI 3.14159265358979323846
25#endif
26
27#ifndef MAXINT
28#define MAXINT 2147483647
29#endif
30
92bda632 31#include "imdatatypes.h"
02d1d628
AMH
32
33undef_int i_has_format(char *frmt);
34
35/* constructors and destructors */
36
37i_color *ICL_new_internal( unsigned char r,unsigned char g,unsigned char b,unsigned char a);
38i_color *ICL_set_internal(i_color *cl,unsigned char r,unsigned char g,unsigned char b,unsigned char a);
97ac0a96 39void ICL_info (const i_color *cl);
02d1d628
AMH
40void ICL_DESTROY (i_color *cl);
41void ICL_add (i_color *dst, i_color *src, int ch);
42
faa9b3e7
TC
43extern i_fcolor *i_fcolor_new(double r, double g, double b, double a);
44extern void i_fcolor_destroy(i_fcolor *cl);
45
6607600c
TC
46extern void i_rgb_to_hsvf(i_fcolor *color);
47extern void i_hsv_to_rgbf(i_fcolor *color);
efdc2568
TC
48extern void i_rgb_to_hsv(i_color *color);
49extern void i_hsv_to_rgb(i_color *color);
6607600c 50
02d1d628 51i_img *IIM_new(int x,int y,int ch);
92bda632 52#define i_img_8_new IIM_new
02d1d628
AMH
53void IIM_DESTROY(i_img *im);
54i_img *i_img_new( void );
55i_img *i_img_empty(i_img *im,int x,int y);
56i_img *i_img_empty_ch(i_img *im,int x,int y,int ch);
57void i_img_exorcise(i_img *im);
58void i_img_destroy(i_img *im);
59
60void i_img_info(i_img *im,int *info);
61
faa9b3e7 62extern i_img *i_sametype(i_img *im, int xsize, int ysize);
dff75dee 63extern i_img *i_sametype_chans(i_img *im, int xsize, int ysize, int channels);
faa9b3e7
TC
64
65i_img *i_img_pal_new(int x, int y, int ch, int maxpal);
66
02d1d628
AMH
67/* Image feature settings */
68
69void i_img_setmask (i_img *im,int ch_mask);
70int i_img_getmask (i_img *im);
71int i_img_getchannels(i_img *im);
72
73/* Base functions */
74
97ac0a96 75extern int i_ppix(i_img *im,int x,int y, const i_color *val);
92bda632 76extern int i_gpix(i_img *im,int x,int y,i_color *val);
97ac0a96 77extern int i_ppixf(i_img *im,int x,int y, const i_fcolor *val);
92bda632 78extern int i_gpixf(i_img *im,int x,int y,i_fcolor *val);
02d1d628 79
faa9b3e7
TC
80#define i_ppix(im, x, y, val) (((im)->i_f_ppix)((im), (x), (y), (val)))
81#define i_gpix(im, x, y, val) (((im)->i_f_gpix)((im), (x), (y), (val)))
82#define i_ppixf(im, x, y, val) (((im)->i_f_ppixf)((im), (x), (y), (val)))
83#define i_gpixf(im, x, y, val) (((im)->i_f_gpixf)((im), (x), (y), (val)))
84
97ac0a96 85extern int i_plin(i_img *im, int l, int r, int y, const i_color *vals);
92bda632 86extern int i_glin(i_img *im, int l, int r, int y, i_color *vals);
97ac0a96 87extern int i_plinf(i_img *im, int l, int r, int y, const i_fcolor *vals);
92bda632
TC
88extern int i_glinf(i_img *im, int l, int r, int y, i_fcolor *vals);
89extern int i_gsamp(i_img *im, int l, int r, int y, i_sample_t *samp,
90 const int *chans, int chan_count);
91extern int i_gsampf(i_img *im, int l, int r, int y, i_fsample_t *samp,
92 const int *chans, int chan_count);
93extern int i_gpal(i_img *im, int x, int r, int y, i_palidx *vals);
97ac0a96
TC
94extern int i_ppal(i_img *im, int x, int r, int y, const i_palidx *vals);
95extern int i_addcolors(i_img *im, const i_color *colors, int count);
92bda632
TC
96extern int i_getcolors(i_img *im, int i, i_color *, int count);
97extern int i_colorcount(i_img *im);
98extern int i_maxcolors(i_img *im);
97ac0a96
TC
99extern int i_findcolor(i_img *im, const i_color *color, i_palidx *entry);
100extern int i_setcolors(i_img *im, int index, const i_color *colors,
92bda632 101 int count);
f261c328
TC
102
103#define i_plin(im, l, r, y, val) (((im)->i_f_plin)(im, l, r, y, val))
104#define i_glin(im, l, r, y, val) (((im)->i_f_glin)(im, l, r, y, val))
faa9b3e7
TC
105#define i_plinf(im, l, r, y, val) (((im)->i_f_plinf)(im, l, r, y, val))
106#define i_glinf(im, l, r, y, val) (((im)->i_f_glinf)(im, l, r, y, val))
107
108#define i_gsamp(im, l, r, y, samps, chans, count) \
109 (((im)->i_f_gsamp)((im), (l), (r), (y), (samps), (chans), (count)))
110#define i_gsampf(im, l, r, y, samps, chans, count) \
111 (((im)->i_f_gsampf)((im), (l), (r), (y), (samps), (chans), (count)))
112
113#define i_findcolor(im, color, entry) \
114 (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
115
116#define i_gpal(im, l, r, y, vals) \
117 (((im)->i_f_gpal) ? ((im)->i_f_gpal)((im), (l), (r), (y), (vals)) : 0)
118#define i_ppal(im, l, r, y, vals) \
119 (((im)->i_f_ppal) ? ((im)->i_f_ppal)((im), (l), (r), (y), (vals)) : 0)
120#define i_addcolors(im, colors, count) \
261f91c5 121 (((im)->i_f_addcolors) ? ((im)->i_f_addcolors)((im), (colors), (count)) : -1)
faa9b3e7
TC
122#define i_getcolors(im, index, color, count) \
123 (((im)->i_f_getcolors) ? \
124 ((im)->i_f_getcolors)((im), (index), (color), (count)) : 0)
125#define i_setcolors(im, index, color, count) \
126 (((im)->i_f_setcolors) ? \
127 ((im)->i_f_setcolors)((im), (index), (color), (count)) : 0)
128#define i_colorcount(im) \
129 (((im)->i_f_colorcount) ? ((im)->i_f_colorcount)(im) : -1)
130#define i_maxcolors(im) \
131 (((im)->i_f_maxcolors) ? ((im)->i_f_maxcolors)(im) : -1)
132#define i_findcolor(im, color, entry) \
133 (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
134
135#define i_img_virtual(im) ((im)->virtual)
136#define i_img_type(im) ((im)->type)
137#define i_img_bits(im) ((im)->bits)
02d1d628 138
97ac0a96
TC
139extern i_fill_t *i_new_fill_solidf(const i_fcolor *c, int combine);
140extern i_fill_t *i_new_fill_solid(const i_color *c, int combine);
f1ac5027 141extern i_fill_t *
97ac0a96
TC
142i_new_fill_hatch(const i_color *fg, const i_color *bg, int combine, int hatch,
143 const unsigned char *cust_hatch, int dx, int dy);
f1ac5027 144extern i_fill_t *
97ac0a96
TC
145i_new_fill_hatchf(const i_fcolor *fg, const i_fcolor *bg, int combine, int hatch,
146 const unsigned char *cust_hatch, int dx, int dy);
f576ce7e 147extern i_fill_t *
97ac0a96 148i_new_fill_image(i_img *im, const double *matrix, int xoff, int yoff, int combine);
f1ac5027
TC
149extern void i_fill_destroy(i_fill_t *fill);
150
02d1d628
AMH
151float i_gpix_pch(i_img *im,int x,int y,int ch);
152
153/* functions for drawing primitives */
154
97ac0a96
TC
155void i_box (i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
156void i_box_filled (i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
f1ac5027 157void i_box_cfill(i_img *im, int x1, int y1, int x2, int y2, i_fill_t *fill);
97ac0a96
TC
158void i_line (i_img *im,int x1,int y1,int x2,int y2,const i_color *val, int endp);
159void i_line_aa (i_img *im,int x1,int y1,int x2,int y2,const i_color *val, int endp);
160void i_arc (i_img *im,int x,int y,float rad,float d1,float d2,const i_color *val);
161void i_arc_aa (i_img *im, double x, double y, double rad, double d1, double d2, const i_color *val);
f1ac5027 162void i_arc_cfill(i_img *im,int x,int y,float rad,float d1,float d2,i_fill_t *fill);
a8652edf 163void i_arc_aa_cfill(i_img *im,double x,double y,double rad,double d1,double d2,i_fill_t *fill);
97ac0a96 164void i_circle_aa (i_img *im,float x, float y,float rad,const i_color *val);
02d1d628 165void i_copyto (i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty);
97ac0a96 166void 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);
92bda632 167i_img* i_copy (i_img *src);
71dc4a83
AMH
168int i_rubthru (i_img *im, i_img *src, int tx, int ty, int src_minx, int src_miny, int src_maxx, int src_maxy);
169
02d1d628 170
142c26ff 171undef_int i_flipxy (i_img *im, int direction);
faa9b3e7
TC
172extern i_img *i_rotate90(i_img *im, int degrees);
173extern i_img *i_rotate_exact(i_img *im, double amount);
97ac0a96
TC
174extern i_img *i_rotate_exact_bg(i_img *im, double amount, const i_color *backp, const i_fcolor *fbackp);
175extern i_img *i_matrix_transform(i_img *im, int xsize, int ysize, const double *matrix);
176extern i_img *i_matrix_transform_bg(i_img *im, int xsize, int ysize, const double *matrix, const i_color *backp, const i_fcolor *fbackp);
142c26ff 177
97ac0a96
TC
178void i_bezier_multi(i_img *im,int l,const double *x,const double *y,const i_color *val);
179void i_poly_aa (i_img *im,int l,const double *x,const double *y,const i_color *val);
180void i_poly_aa_cfill(i_img *im,int l,const double *x,const double *y,i_fill_t *fill);
02d1d628 181
97ac0a96 182undef_int i_flood_fill (i_img *im,int seedx,int seedy, const i_color *dcol);
a321d497 183undef_int i_flood_cfill(i_img *im, int seedx, int seedy, i_fill_t *fill);
3efb0915
TC
184undef_int i_flood_fill_border (i_img *im,int seedx,int seedy, const i_color *dcol, const i_color *border);
185undef_int i_flood_cfill_border(i_img *im, int seedx, int seedy, i_fill_t *fill, const i_color *border);
a321d497 186
02d1d628
AMH
187
188/* image processing functions */
189
190void i_gaussian (i_img *im,float stdev);
97ac0a96 191void i_conv (i_img *im,const float *coeff,int len);
b6381851 192void i_unsharp_mask(i_img *im, double stddev, double scale);
02d1d628 193
f5991c03 194/* colour manipulation */
97ac0a96 195extern int i_convert(i_img *im, i_img *src, const float *coeff, int outchan, int inchan);
faa9b3e7 196extern void i_map(i_img *im, unsigned char (*maps)[256], unsigned int mask);
f5991c03 197
02d1d628
AMH
198float i_img_diff (i_img *im1,i_img *im2);
199
200/* font routines */
201
4cb58f1b 202undef_int i_init_fonts( int t1log );
02d1d628
AMH
203
204#ifdef HAVE_LIBT1
02d1d628 205
b33c08f8 206undef_int i_init_t1( int t1log );
02d1d628
AMH
207int i_t1_new( char *pfb, char *afm );
208int i_t1_destroy( int font_id );
1bd75e4c 209undef_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 );
97ac0a96
TC
210undef_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 );
211int i_t1_bbox( int fontnum, float point, const char *str, int len, int cords[6], int utf8, char const *flags );
02d1d628
AMH
212void i_t1_set_aa( int st );
213void close_t1( void );
3799c4d1
TC
214int i_t1_has_chars(int font_num, char const *text, int len, int utf8, char *out);
215extern int i_t1_face_name(int font_num, char *name_buf, size_t name_buf_size);
216extern int i_t1_glyph_name(int font_num, unsigned long ch, char *name_buf,
217 size_t name_buf_size);
02d1d628
AMH
218#endif
219
220#ifdef HAVE_LIBTT
221
b33c08f8 222undef_int i_init_tt( void );
97ac0a96 223TT_Fonthandle* i_tt_new(const char *fontname);
02d1d628 224void i_tt_destroy( TT_Fonthandle *handle );
9ab6338b 225undef_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);
97ac0a96
TC
226undef_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);
227undef_int i_tt_bbox( TT_Fonthandle *handle, float points,const char *txt,int len,int cords[6], int utf8);
eeaa33fd 228int i_tt_has_chars(TT_Fonthandle *handle, char const *text, int len, int utf8, char *out);
3799c4d1
TC
229void i_tt_dump_names(TT_Fonthandle *handle);
230int i_tt_face_name(TT_Fonthandle *handle, char *name_buf,
231 size_t name_buf_size);
232int i_tt_glyph_name(TT_Fonthandle *handle, unsigned long ch, char *name_buf,
233 size_t name_buf_size);
02d1d628
AMH
234
235#endif /* End of freetype headers */
236
faa9b3e7
TC
237#ifdef HAVE_FT2
238
faa9b3e7 239extern int i_ft2_init(void);
97ac0a96 240extern FT2_Fonthandle * i_ft2_new(const char *name, int index);
faa9b3e7
TC
241extern void i_ft2_destroy(FT2_Fonthandle *handle);
242extern int i_ft2_setdpi(FT2_Fonthandle *handle, int xdpi, int ydpi);
243extern int i_ft2_getdpi(FT2_Fonthandle *handle, int *xdpi, int *ydpi);
97ac0a96 244extern int i_ft2_settransform(FT2_Fonthandle *handle, const double *matrix);
faa9b3e7
TC
245extern int i_ft2_sethinting(FT2_Fonthandle *handle, int hinting);
246extern int i_ft2_bbox(FT2_Fonthandle *handle, double cheight, double cwidth,
4f68b48f 247 char const *text, int len, int *bbox, int utf8);
5973b414
TC
248extern int i_ft2_bbox_r(FT2_Fonthandle *handle, double cheight, double cwidth,
249 char const *text, int len, int vlayout, int utf8, int *bbox);
faa9b3e7 250extern int i_ft2_text(FT2_Fonthandle *handle, i_img *im, int tx, int ty,
97ac0a96 251 const i_color *cl, double cheight, double cwidth,
4f68b48f
TC
252 char const *text, int len, int align, int aa,
253 int vlayout, int utf8);
faa9b3e7
TC
254extern int i_ft2_cp(FT2_Fonthandle *handle, i_img *im, int tx, int ty,
255 int channel, double cheight, double cwidth,
4f68b48f 256 char const *text, int len, int align, int aa, int vlayout,
faa9b3e7 257 int utf8);
4f68b48f 258extern int i_ft2_has_chars(FT2_Fonthandle *handle, char const *text, int len,
3dec2c92 259 int utf8, char *work);
3799c4d1
TC
260extern int i_ft2_face_name(FT2_Fonthandle *handle, char *name_buf,
261 size_t name_buf_size);
042cdaea 262extern int i_ft2_can_face_name(void);
a4168bea
TC
263extern int i_ft2_glyph_name(FT2_Fonthandle *handle, unsigned long ch,
264 char *name_buf, size_t name_buf_size,
265 int reliable_only);
3799c4d1
TC
266extern int i_ft2_can_do_glyph_names(void);
267extern int i_ft2_face_has_glyph_names(FT2_Fonthandle *handle);
02d1d628 268
3e882362
TC
269extern int i_ft2_get_multiple_masters(FT2_Fonthandle *handle,
270 i_font_mm *mm);
271extern int
272i_ft2_is_multiple_master(FT2_Fonthandle *handle);
273extern int
97ac0a96 274i_ft2_set_mm_coords(FT2_Fonthandle *handle, int coord_count, const long *coords);
faa9b3e7 275#endif
02d1d628 276
faa9b3e7 277#ifdef WIN32
02d1d628 278
bd4f550c 279extern int i_wf_bbox(const char *face, int size, const char *text, int length, int *bbox, int utf8);
97ac0a96 280extern int i_wf_text(const char *face, i_img *im, int tx, int ty, const i_color *cl,
bd4f550c 281 int size, const char *text, int len, int align, int aa, int utf8);
97ac0a96 282extern int i_wf_cp(const char *face, i_img *im, int tx, int ty, int channel,
bd4f550c 283 int size, const char *text, int len, int align, int aa, int utf8);
8457948a 284extern int i_wf_addfont(char const *file);
02d1d628 285
faa9b3e7 286#endif
02d1d628
AMH
287
288/* functions for reading and writing formats */
289
290/* general reader callback
291 userdata - data the user passed into the reader
292 buffer - the buffer to fill with data
293 need - the amount of data needed
294 want - the amount of space we have to store data
295 fill buffer and return the number of bytes read, 0 for eof, -1 for error
296*/
297
298typedef int (*i_read_callback_t)(char *userdata, char *buffer, int need,
299 int want);
300
301/* i_gen_reader() translates the low-level requests from whatever library
302 into buffered requests.
303 but the called function can always bypass buffering by only ever
304 reading I<need> bytes.
305*/
306#define CBBUFSIZ 4096
307
308typedef struct {
309 i_read_callback_t cb;
310 char *userdata;
311 char buffer[CBBUFSIZ];
312 int length;
313 int cpos;
314} i_gen_read_data;
315
316extern int i_gen_reader(i_gen_read_data *info, char *buffer, int need);
317extern i_gen_read_data *i_gen_read_data_new(i_read_callback_t cb, char *userdata);
b33c08f8 318extern void i_free_gen_read_data(i_gen_read_data *);
02d1d628
AMH
319
320/* general writer callback
321 userdata - the data the user passed into the writer
322 data - the data to write
323 data_size - the number of bytes to write
324 write the data, return non-zero on success, zero on failure.
325*/
326typedef int (*i_write_callback_t)(char *userdata, char const *data, int size);
327
328typedef struct {
329 i_write_callback_t cb;
330 char *userdata;
331 char buffer[CBBUFSIZ];
332 int maxlength;
333 int filledto;
334} i_gen_write_data;
335
336extern int i_gen_writer(i_gen_write_data *info, char const *data, int size);
337extern i_gen_write_data *i_gen_write_data_new(i_write_callback_t cb, char *userdata, int maxlength);
b33c08f8 338extern int i_free_gen_write_data(i_gen_write_data *, int flush);
02d1d628 339
92bda632
TC
340extern void i_quant_makemap(i_quantize *quant, i_img **imgs, int count);
341extern i_palidx *i_quant_translate(i_quantize *quant, i_img *img);
342extern void i_quant_transparent(i_quantize *quant, i_palidx *indices, i_img *img, i_palidx trans_index);
02d1d628 343
faa9b3e7
TC
344extern i_img *i_img_pal_new(int x, int y, int channels, int maxpal);
345extern i_img *i_img_pal_new_low(i_img *im, int x, int y, int channels, int maxpal);
346extern i_img *i_img_to_pal(i_img *src, i_quantize *quant);
347extern i_img *i_img_to_rgb(i_img *src);
348extern i_img *i_img_masked_new(i_img *targ, i_img *mask, int x, int y,
349 int w, int h);
350extern i_img *i_img_16_new(int x, int y, int ch);
351extern i_img *i_img_16_new_low(i_img *im, int x, int y, int ch);
365ea842
TC
352extern i_img *i_img_double_new(int x, int y, int ch);
353extern i_img *i_img_double_new_low(i_img *im, int x, int y, int ch);
faa9b3e7 354
9c106321 355extern int i_img_is_monochrome(i_img *im, int *zero_is_white);
e10bf46e 356
ea1136fc 357const char * i_test_format_probe(io_glue *data, int length);
e10bf46e
AMH
358
359
02d1d628 360#ifdef HAVE_LIBJPEG
dd55acc8
AMH
361i_img *
362i_readjpeg_wiol(io_glue *ig, int length, char** iptc_itext, int *itlength);
363undef_int i_writejpeg_wiol(i_img *im, io_glue *ig, int qfactor);
02d1d628
AMH
364#endif /* HAVE_LIBJPEG */
365
366#ifdef HAVE_LIBTIFF
9c106321 367i_img * i_readtiff_wiol(io_glue *ig, int allow_partial, int page);
10461f9a 368i_img ** i_readtiff_multi_wiol(io_glue *ig, int length, int *count);
02d1d628 369undef_int i_writetiff_wiol(i_img *im, io_glue *ig);
10461f9a 370undef_int i_writetiff_multi_wiol(io_glue *ig, i_img **imgs, int count);
4c2d6970 371undef_int i_writetiff_wiol_faxable(i_img *im, io_glue *ig, int fine);
10461f9a 372undef_int i_writetiff_multi_wiol_faxable(io_glue *ig, i_img **imgs, int count, int fine);
02d1d628
AMH
373
374#endif /* HAVE_LIBTIFF */
375
376#ifdef HAVE_LIBPNG
04418ecc
AMH
377i_img *i_readpng_wiol(io_glue *ig, int length);
378undef_int i_writepng_wiol(i_img *im, io_glue *ig);
02d1d628
AMH
379#endif /* HAVE_LIBPNG */
380
381#ifdef HAVE_LIBGIF
faa9b3e7 382i_img *i_readgif(int fd, int **colour_table, int *colours);
10461f9a 383i_img *i_readgif_wiol(io_glue *ig, int **colour_table, int *colours);
faa9b3e7
TC
384i_img *i_readgif_scalar(char *data, int length, int **colour_table, int *colours);
385i_img *i_readgif_callback(i_read_callback_t callback, char *userdata, int **colour_table, int *colours);
f1adece7 386i_img *i_readgif_single_wiol(io_glue *ig, int page);
faa9b3e7
TC
387extern i_img **i_readgif_multi(int fd, int *count);
388extern i_img **i_readgif_multi_scalar(char *data, int length, int *count);
389extern i_img **i_readgif_multi_callback(i_read_callback_t callback, char *userdata, int *count);
10461f9a 390extern i_img **i_readgif_multi_wiol(io_glue *ig, int *count);
02d1d628
AMH
391undef_int i_writegif(i_img *im,int fd,int colors,int pixdev,int fixedlen,i_color fixed[]);
392undef_int i_writegifmc(i_img *im,int fd,int colors);
393undef_int i_writegifex(i_img *im,int fd);
97c4effc
TC
394undef_int i_writegif_gen(i_quantize *quant, int fd, i_img **imgs, int count);
395undef_int i_writegif_callback(i_quantize *quant, i_write_callback_t cb, char *userdata, int maxbuffer, i_img **imgs, int count);
396undef_int i_writegif_wiol(io_glue *ig, i_quantize *quant,
10461f9a 397 i_img **imgs, int count);
02d1d628
AMH
398void i_qdist(i_img *im);
399
400#endif /* HAVE_LIBGIF */
401
04418ecc 402i_img * i_readraw_wiol(io_glue *ig, int x, int y, int datachannels, int storechannels, int intrl);
895dbd34 403undef_int i_writeraw_wiol(i_img* im, io_glue *ig);
02d1d628 404
9c106321 405i_img * i_readpnm_wiol(io_glue *ig, int allow_partial);
067d6bdc 406undef_int i_writeppm_wiol(i_img *im, io_glue *ig);
02d1d628 407
1ec86afa 408extern int i_writebmp_wiol(i_img *im, io_glue *ig);
9c106321 409extern i_img *i_readbmp_wiol(io_glue *ig, int allow_partial);
02d1d628 410
84e51293
AMH
411int tga_header_verify(unsigned char headbuf[18]);
412
1ec86afa 413i_img * i_readtga_wiol(io_glue *ig, int length);
febba01f 414undef_int i_writetga_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
1ec86afa 415
737a830c
AMH
416i_img * i_readrgb_wiol(io_glue *ig, int length);
417undef_int i_writergb_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
418
04418ecc
AMH
419i_img * i_scaleaxis(i_img *im, float Value, int Axis);
420i_img * i_scale_nn(i_img *im, float scx, float scy);
658f724e 421i_img * i_scale_mixing(i_img *src, int width, int height);
04418ecc
AMH
422i_img * i_haar(i_img *im);
423int i_count_colors(i_img *im,int maxc);
02d1d628 424
04418ecc 425i_img * i_transform(i_img *im, int *opx,int opxl,int *opy,int opyl,double parm[],int parmlen);
02d1d628
AMH
426
427struct rm_op;
04418ecc
AMH
428i_img * i_transform2(int width, int height, int channels,
429 struct rm_op *ops, int ops_count,
430 double *n_regs, int n_regs_count,
431 i_color *c_regs, int c_regs_count,
432 i_img **in_imgs, int in_imgs_count);
febba01f 433
02d1d628
AMH
434/* filters */
435
436void i_contrast(i_img *im, float intensity);
437void i_hardinvert(i_img *im);
438void i_noise(i_img *im, float amount, unsigned char type);
439void i_bumpmap(i_img *im,i_img *bump,int channel,int light_x,int light_y,int strength);
b2778574
AMH
440void i_bumpmap_complex(i_img *im, i_img *bump, int channel, int tx, int ty, float Lx, float Ly,
441 float Lz, float cd, float cs, float n, i_color *Ia, i_color *Il, i_color *Is);
02d1d628
AMH
442void i_postlevels(i_img *im,int levels);
443void i_mosaic(i_img *im,int size);
444void i_watermark(i_img *im,i_img *wmark,int tx,int ty,int pixdiff);
445void i_autolevels(i_img *im,float lsat,float usat,float skew);
446void i_radnoise(i_img *im,int xo,int yo,float rscale,float ascale);
447void i_turbnoise(i_img *im,float xo,float yo,float scale);
448void i_gradgen(i_img *im, int num, int *xo, int *yo, i_color *ival, int dmeasure);
e310e5f9 449int i_nearest_color(i_img *im, int num, int *xo, int *yo, i_color *ival, int dmeasure);
dff75dee 450i_img *i_diff_image(i_img *im, i_img *im2, int mindist);
e310e5f9
TC
451int
452i_fountain(i_img *im, double xa, double ya, double xb, double yb,
453 i_fountain_type type, i_fountain_repeat repeat,
454 int combine, int super_sample, double ssample_param,
455 int count, i_fountain_seg *segs);
f1ac5027
TC
456extern i_fill_t *
457i_new_fill_fount(double xa, double ya, double xb, double yb,
458 i_fountain_type type, i_fountain_repeat repeat,
459 int combine, int super_sample, double ssample_param,
460 int count, i_fountain_seg *segs);
02d1d628
AMH
461
462/* Debug only functions */
463
464void malloc_state( void );
465
466/* this is sort of obsolete now */
467
468typedef struct {
469 undef_int (*i_has_format)(char *frmt);
470 i_color*(*ICL_set)(i_color *cl,unsigned char r,unsigned char g,unsigned char b,unsigned char a);
97ac0a96 471 void (*ICL_info)(const i_color *cl);
02d1d628
AMH
472
473 i_img*(*i_img_new)( void );
474 i_img*(*i_img_empty)(i_img *im,int x,int y);
475 i_img*(*i_img_empty_ch)(i_img *im,int x,int y,int ch);
476 void(*i_img_exorcise)(i_img *im);
477
478 void(*i_img_info)(i_img *im,int *info);
479
480 void(*i_img_setmask)(i_img *im,int ch_mask);
481 int (*i_img_getmask)(i_img *im);
482
da1c841c 483 /*
02d1d628
AMH
484 int (*i_ppix)(i_img *im,int x,int y,i_color *val);
485 int (*i_gpix)(i_img *im,int x,int y,i_color *val);
da1c841c 486 */
97ac0a96
TC
487 void(*i_box)(i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
488 void(*i_line)(i_img *im,int x1,int y1,int x2,int y2,const i_color *val,int endp);
489 void(*i_arc)(i_img *im,int x,int y,float rad,float d1,float d2,const i_color *val);
02d1d628 490 void(*i_copyto)(i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty);
97ac0a96
TC
491 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);
492 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);
02d1d628
AMH
493
494} symbol_table_t;
495
af070d99 496#include "imerror.h"
02d1d628 497
faa9b3e7
TC
498/* image tag processing */
499extern void i_tags_new(i_img_tags *tags);
97c4effc
TC
500extern int i_tags_addn(i_img_tags *tags, char const *name, int code,
501 int idata);
502extern int i_tags_add(i_img_tags *tags, char const *name, int code,
503 char const *data, int size, int idata);
92bda632
TC
504extern int i_tags_set(i_img_tags *tags, char const *name,
505 char const *data, int size);
506extern int i_tags_setn(i_img_tags *tags, char const *name, int idata);
507
faa9b3e7 508extern void i_tags_destroy(i_img_tags *tags);
97c4effc
TC
509extern int i_tags_find(i_img_tags *tags, char const *name, int start,
510 int *entry);
faa9b3e7
TC
511extern int i_tags_findn(i_img_tags *tags, int code, int start, int *entry);
512extern int i_tags_delete(i_img_tags *tags, int entry);
97c4effc 513extern int i_tags_delbyname(i_img_tags *tags, char const *name);
faa9b3e7 514extern int i_tags_delbycode(i_img_tags *tags, int code);
97c4effc 515extern int i_tags_get_float(i_img_tags *tags, char const *name, int code,
fd9a31d2 516 double *value);
97c4effc 517extern int i_tags_set_float(i_img_tags *tags, char const *name, int code,
fd9a31d2 518 double value);
2e41e30b
TC
519extern int i_tags_set_float2(i_img_tags *tags, char const *name, int code,
520 double value, int places);
97c4effc
TC
521extern int i_tags_get_int(i_img_tags *tags, char const *name, int code,
522 int *value);
523extern int i_tags_get_string(i_img_tags *tags, char const *name, int code,
fd9a31d2 524 char *value, size_t value_size);
97c4effc
TC
525extern int i_tags_get_color(i_img_tags *tags, char const *name, int code,
526 i_color *value);
527extern int i_tags_set_color(i_img_tags *tags, char const *name, int code,
528 i_color const *value);
fd9a31d2 529extern void i_tags_print(i_img_tags *tags);
02d1d628 530
77157728
TC
531/* image file limits */
532extern int
533i_set_image_file_limits(int width, int height, int bytes);
534extern int
535i_get_image_file_limits(int *width, int *height, int *bytes);
2b405c9e
TC
536extern int
537i_int_check_image_file_limits(int width, int height, int channels, int sample_size);
77157728 538
e310e5f9
TC
539/* memory allocation */
540void* mymalloc(int size);
541void myfree(void *p);
542void* myrealloc(void *p, size_t newsize);
543void* mymalloc_file_line (size_t size, char* file, int line);
544void myfree_file_line (void *p, char*file, int line);
545void* myrealloc_file_line(void *p, size_t newsize, char* file,int line);
546
547#ifdef IMAGER_DEBUG_MALLOC
548
549#define mymalloc(x) (mymalloc_file_line((x), __FILE__, __LINE__))
550#define myrealloc(x,y) (myrealloc_file_line((x),(y), __FILE__, __LINE__))
551#define myfree(x) (myfree_file_line((x), __FILE__, __LINE__))
552
553void malloc_state (void);
554void* mymalloc_comm (int size, char *comm);
555void bndcheck_all (void);
556
557#else
558
559#define malloc_comm(a,b) (mymalloc(a))
560void malloc_state(void);
561
562#endif /* IMAGER_MALLOC_DEBUG */
563
9c106321
TC
564#include "imrender.h"
565
02d1d628 566#endif