test and add error reporting to to_*() family methods
[imager.git] / imager.h
CommitLineData
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1#ifndef _IMAGE_H_
2#define _IMAGE_H_
3
e11d297f 4#include "imconfig.h"
7ac6a2e9 5#include "imio.h"
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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"
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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);
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40void ICL_DESTROY (i_color *cl);
41void ICL_add (i_color *dst, i_color *src, int ch);
42
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43extern i_fcolor *i_fcolor_new(double r, double g, double b, double a);
44extern void i_fcolor_destroy(i_fcolor *cl);
45
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46extern void i_rgb_to_hsvf(i_fcolor *color);
47extern void i_hsv_to_rgbf(i_fcolor *color);
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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
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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);
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59i_img *i_img_alloc(void);
60void i_img_init(i_img *im);
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61
62void i_img_info(i_img *im,int *info);
63
faa9b3e7 64extern i_img *i_sametype(i_img *im, int xsize, int ysize);
dff75dee 65extern i_img *i_sametype_chans(i_img *im, int xsize, int ysize, int channels);
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66
67i_img *i_img_pal_new(int x, int y, int ch, int maxpal);
68
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69/* Image feature settings */
70
71void i_img_setmask (i_img *im,int ch_mask);
72int i_img_getmask (i_img *im);
73int i_img_getchannels(i_img *im);
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74i_img_dim i_img_get_width(i_img *im);
75i_img_dim i_img_get_height(i_img *im);
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76
77/* Base functions */
78
97ac0a96 79extern int i_ppix(i_img *im,int x,int y, const i_color *val);
92bda632 80extern int i_gpix(i_img *im,int x,int y,i_color *val);
97ac0a96 81extern int i_ppixf(i_img *im,int x,int y, const i_fcolor *val);
92bda632 82extern int i_gpixf(i_img *im,int x,int y,i_fcolor *val);
02d1d628 83
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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)))
88
97ac0a96 89extern int i_plin(i_img *im, int l, int r, int y, const i_color *vals);
92bda632 90extern int i_glin(i_img *im, int l, int r, int y, i_color *vals);
97ac0a96 91extern int i_plinf(i_img *im, int l, int r, int y, const i_fcolor *vals);
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92extern int i_glinf(i_img *im, int l, int r, int y, i_fcolor *vals);
93extern int i_gsamp(i_img *im, int l, int r, int y, i_sample_t *samp,
94 const int *chans, int chan_count);
95extern int i_gsampf(i_img *im, int l, int r, int y, i_fsample_t *samp,
96 const int *chans, int chan_count);
97extern int i_gpal(i_img *im, int x, int r, int y, i_palidx *vals);
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98extern int i_ppal(i_img *im, int x, int r, int y, const i_palidx *vals);
99extern int i_addcolors(i_img *im, const i_color *colors, int count);
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100extern int i_getcolors(i_img *im, int i, i_color *, int count);
101extern int i_colorcount(i_img *im);
102extern int i_maxcolors(i_img *im);
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103extern int i_findcolor(i_img *im, const i_color *color, i_palidx *entry);
104extern int i_setcolors(i_img *im, int index, const i_color *colors,
92bda632 105 int count);
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106
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))
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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))
111
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)))
116
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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)
121
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122#define i_findcolor(im, color, entry) \
123 (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
124
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) \
261f91c5 130 (((im)->i_f_addcolors) ? ((im)->i_f_addcolors)((im), (colors), (count)) : -1)
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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)
143
144#define i_img_virtual(im) ((im)->virtual)
145#define i_img_type(im) ((im)->type)
146#define i_img_bits(im) ((im)->bits)
02d1d628 147
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148extern i_fill_t *i_new_fill_solidf(const i_fcolor *c, int combine);
149extern i_fill_t *i_new_fill_solid(const i_color *c, int combine);
f1ac5027 150extern i_fill_t *
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151i_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);
f1ac5027 153extern i_fill_t *
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154i_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);
f576ce7e 156extern i_fill_t *
97ac0a96 157i_new_fill_image(i_img *im, const double *matrix, int xoff, int yoff, int combine);
52f2b10a 158extern i_fill_t *i_new_fill_opacity(i_fill_t *, double alpha_mult);
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159extern void i_fill_destroy(i_fill_t *fill);
160
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161float i_gpix_pch(i_img *im,int x,int y,int ch);
162
163/* functions for drawing primitives */
164
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165void i_box (i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
166void i_box_filled (i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
7477ff14 167int i_box_filledf (i_img *im,int x1,int y1,int x2,int y2,const i_fcolor *val);
f1ac5027 168void i_box_cfill(i_img *im, int x1, int y1, int x2, int y2, i_fill_t *fill);
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169void i_line (i_img *im,int x1,int y1,int x2,int y2,const i_color *val, int endp);
170void i_line_aa (i_img *im,int x1,int y1,int x2,int y2,const i_color *val, int endp);
171void i_arc (i_img *im,int x,int y,float rad,float d1,float d2,const i_color *val);
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172int i_arc_out(i_img *im,i_img_dim x,i_img_dim y,i_img_dim rad,float d1,float d2,const i_color *val);
173int i_arc_out_aa(i_img *im,i_img_dim x,i_img_dim y,i_img_dim rad,float d1,float d2,const i_color *val);
97ac0a96 174void i_arc_aa (i_img *im, double x, double y, double rad, double d1, double d2, const i_color *val);
f1ac5027 175void i_arc_cfill(i_img *im,int x,int y,float rad,float d1,float d2,i_fill_t *fill);
a8652edf 176void i_arc_aa_cfill(i_img *im,double x,double y,double rad,double d1,double d2,i_fill_t *fill);
97ac0a96 177void i_circle_aa (i_img *im,float x, float y,float rad,const i_color *val);
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178int i_circle_out (i_img *im,i_img_dim x, i_img_dim y, i_img_dim rad,const i_color *val);
179int i_circle_out_aa (i_img *im,i_img_dim x, i_img_dim y, i_img_dim rad,const i_color *val);
02d1d628 180void i_copyto (i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty);
97ac0a96 181void 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 182i_img* i_copy (i_img *src);
71dc4a83 183int i_rubthru (i_img *im, i_img *src, int tx, int ty, int src_minx, int src_miny, int src_maxx, int src_maxy);
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184extern int
185i_compose_mask(i_img *out, i_img *src, i_img *mask,
186 int out_left, int out_top, int src_left, int src_top,
187 int mask_left, int mask_top, int width, int height,
188 int combine, double opacity);
189extern int
190i_compose(i_img *out, i_img *src,
191 int out_left, int out_top, int src_left, int src_top,
192 int width, int height, int combine, double opacity);
02d1d628 193
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194extern i_img *
195i_combine(i_img **src, const int *channels, int in_count);
196
142c26ff 197undef_int i_flipxy (i_img *im, int direction);
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198extern i_img *i_rotate90(i_img *im, int degrees);
199extern i_img *i_rotate_exact(i_img *im, double amount);
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200extern i_img *i_rotate_exact_bg(i_img *im, double amount, const i_color *backp, const i_fcolor *fbackp);
201extern i_img *i_matrix_transform(i_img *im, int xsize, int ysize, const double *matrix);
202extern 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 203
97ac0a96 204void i_bezier_multi(i_img *im,int l,const double *x,const double *y,const i_color *val);
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205int i_poly_aa (i_img *im,int l,const double *x,const double *y,const i_color *val);
206int i_poly_aa_cfill(i_img *im,int l,const double *x,const double *y,i_fill_t *fill);
02d1d628 207
97ac0a96 208undef_int i_flood_fill (i_img *im,int seedx,int seedy, const i_color *dcol);
a321d497 209undef_int i_flood_cfill(i_img *im, int seedx, int seedy, i_fill_t *fill);
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210undef_int i_flood_fill_border (i_img *im,int seedx,int seedy, const i_color *dcol, const i_color *border);
211undef_int i_flood_cfill_border(i_img *im, int seedx, int seedy, i_fill_t *fill, const i_color *border);
a321d497 212
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213
214/* image processing functions */
215
167660cd 216int i_gaussian (i_img *im, double stdev);
6a3cbaef 217int i_conv (i_img *im,const double *coeff,int len);
b6381851 218void i_unsharp_mask(i_img *im, double stddev, double scale);
02d1d628 219
f5991c03 220/* colour manipulation */
62869327 221extern i_img *i_convert(i_img *src, const double *coeff, int outchan, int inchan);
faa9b3e7 222extern void i_map(i_img *im, unsigned char (*maps)[256], unsigned int mask);
f5991c03 223
02d1d628 224float i_img_diff (i_img *im1,i_img *im2);
e41cfe8f 225double i_img_diffd(i_img *im1,i_img *im2);
4498c8bd 226int i_img_samef(i_img *im1,i_img *im2, double epsilon, const char *what);
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227
228/* font routines */
229
4cb58f1b 230undef_int i_init_fonts( int t1log );
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231
232#ifdef HAVE_LIBT1
02d1d628 233
b33c08f8 234undef_int i_init_t1( int t1log );
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235int i_t1_new( char *pfb, char *afm );
236int i_t1_destroy( int font_id );
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237undef_int i_t1_cp( i_img *im, int xb, int yb, int channel, int fontnum, float points, char* str, size_t len, int align, int utf8, char const *flags );
238undef_int i_t1_text( i_img *im, int xb, int yb, const i_color *cl, int fontnum, float points, const char* str, size_t len, int align, int utf8, char const *flags );
239int i_t1_bbox( int fontnum, float point, const char *str, size_t len, int cords[6], int utf8, char const *flags );
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240void i_t1_set_aa( int st );
241void close_t1( void );
718b8c97 242int i_t1_has_chars(int font_num, char const *text, size_t len, int utf8, char *out);
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243extern int i_t1_face_name(int font_num, char *name_buf, size_t name_buf_size);
244extern int i_t1_glyph_name(int font_num, unsigned long ch, char *name_buf,
245 size_t name_buf_size);
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246#endif
247
248#ifdef HAVE_LIBTT
249
b33c08f8 250undef_int i_init_tt( void );
97ac0a96 251TT_Fonthandle* i_tt_new(const char *fontname);
02d1d628 252void i_tt_destroy( TT_Fonthandle *handle );
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253undef_int i_tt_cp( TT_Fonthandle *handle,i_img *im,int xb,int yb,int channel,float points,char const* txt,size_t len,int smooth, int utf8, int align);
254undef_int i_tt_text( TT_Fonthandle *handle, i_img *im, int xb, int yb, const i_color *cl, float points, char const* txt, size_t len, int smooth, int utf8, int align);
255undef_int i_tt_bbox( TT_Fonthandle *handle, float points,const char *txt,size_t len,int cords[6], int utf8);
256int i_tt_has_chars(TT_Fonthandle *handle, char const *text, size_t len, int utf8, char *out);
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257void i_tt_dump_names(TT_Fonthandle *handle);
258int i_tt_face_name(TT_Fonthandle *handle, char *name_buf,
259 size_t name_buf_size);
260int i_tt_glyph_name(TT_Fonthandle *handle, unsigned long ch, char *name_buf,
261 size_t name_buf_size);
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262
263#endif /* End of freetype headers */
264
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265/* functions for reading and writing formats */
266
267/* general reader callback
268 userdata - data the user passed into the reader
269 buffer - the buffer to fill with data
270 need - the amount of data needed
271 want - the amount of space we have to store data
272 fill buffer and return the number of bytes read, 0 for eof, -1 for error
273*/
274
275typedef int (*i_read_callback_t)(char *userdata, char *buffer, int need,
276 int want);
277
278/* i_gen_reader() translates the low-level requests from whatever library
279 into buffered requests.
280 but the called function can always bypass buffering by only ever
281 reading I<need> bytes.
282*/
283#define CBBUFSIZ 4096
284
285typedef struct {
286 i_read_callback_t cb;
287 char *userdata;
288 char buffer[CBBUFSIZ];
289 int length;
290 int cpos;
291} i_gen_read_data;
292
293extern int i_gen_reader(i_gen_read_data *info, char *buffer, int need);
294extern i_gen_read_data *i_gen_read_data_new(i_read_callback_t cb, char *userdata);
b33c08f8 295extern void i_free_gen_read_data(i_gen_read_data *);
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296
297/* general writer callback
298 userdata - the data the user passed into the writer
299 data - the data to write
300 data_size - the number of bytes to write
301 write the data, return non-zero on success, zero on failure.
302*/
303typedef int (*i_write_callback_t)(char *userdata, char const *data, int size);
304
305typedef struct {
306 i_write_callback_t cb;
307 char *userdata;
308 char buffer[CBBUFSIZ];
309 int maxlength;
310 int filledto;
311} i_gen_write_data;
312
313extern int i_gen_writer(i_gen_write_data *info, char const *data, int size);
314extern i_gen_write_data *i_gen_write_data_new(i_write_callback_t cb, char *userdata, int maxlength);
b33c08f8 315extern int i_free_gen_write_data(i_gen_write_data *, int flush);
02d1d628 316
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317extern void i_quant_makemap(i_quantize *quant, i_img **imgs, int count);
318extern i_palidx *i_quant_translate(i_quantize *quant, i_img *img);
319extern void i_quant_transparent(i_quantize *quant, i_palidx *indices, i_img *img, i_palidx trans_index);
02d1d628 320
faa9b3e7 321extern i_img *i_img_pal_new(int x, int y, int channels, int maxpal);
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322extern i_img *i_img_to_pal(i_img *src, i_quantize *quant);
323extern i_img *i_img_to_rgb(i_img *src);
324extern i_img *i_img_masked_new(i_img *targ, i_img *mask, int x, int y,
325 int w, int h);
326extern i_img *i_img_16_new(int x, int y, int ch);
167660cd 327extern i_img *i_img_to_rgb16(i_img *im);
365ea842 328extern i_img *i_img_double_new(int x, int y, int ch);
faa9b3e7 329
9c106321 330extern int i_img_is_monochrome(i_img *im, int *zero_is_white);
6e4af7d4 331extern void i_get_file_background(i_img *im, i_color *bg);
fa90de94 332extern void i_get_file_backgroundf(i_img *im, i_fcolor *bg);
e10bf46e 333
ea1136fc 334const char * i_test_format_probe(io_glue *data, int length);
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335
336
02d1d628 337#ifdef HAVE_LIBJPEG
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338i_img *
339i_readjpeg_wiol(io_glue *ig, int length, char** iptc_itext, int *itlength);
340undef_int i_writejpeg_wiol(i_img *im, io_glue *ig, int qfactor);
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341#endif /* HAVE_LIBJPEG */
342
04418ecc 343i_img * i_readraw_wiol(io_glue *ig, int x, int y, int datachannels, int storechannels, int intrl);
895dbd34 344undef_int i_writeraw_wiol(i_img* im, io_glue *ig);
02d1d628 345
d87dc9a4 346i_img * i_readpnm_wiol(io_glue *ig, int allow_incomplete);
2086be61 347i_img ** i_readpnm_multi_wiol(io_glue *ig, int *count, int allow_incomplete);
067d6bdc 348undef_int i_writeppm_wiol(i_img *im, io_glue *ig);
02d1d628 349
1ec86afa 350extern int i_writebmp_wiol(i_img *im, io_glue *ig);
d87dc9a4 351extern i_img *i_readbmp_wiol(io_glue *ig, int allow_incomplete);
02d1d628 352
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353int tga_header_verify(unsigned char headbuf[18]);
354
1ec86afa 355i_img * i_readtga_wiol(io_glue *ig, int length);
febba01f 356undef_int i_writetga_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
1ec86afa 357
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358i_img * i_readrgb_wiol(io_glue *ig, int length);
359undef_int i_writergb_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
360
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361i_img * i_scaleaxis(i_img *im, float Value, int Axis);
362i_img * i_scale_nn(i_img *im, float scx, float scy);
658f724e 363i_img * i_scale_mixing(i_img *src, int width, int height);
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364i_img * i_haar(i_img *im);
365int i_count_colors(i_img *im,int maxc);
a60905e4 366int i_get_anonymous_color_histo(i_img *im, unsigned int **col_usage, int maxc);
02d1d628 367
04418ecc 368i_img * i_transform(i_img *im, int *opx,int opxl,int *opy,int opyl,double parm[],int parmlen);
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369
370struct rm_op;
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371i_img * i_transform2(int width, int height, int channels,
372 struct rm_op *ops, int ops_count,
373 double *n_regs, int n_regs_count,
374 i_color *c_regs, int c_regs_count,
375 i_img **in_imgs, int in_imgs_count);
febba01f 376
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377/* filters */
378
379void i_contrast(i_img *im, float intensity);
380void i_hardinvert(i_img *im);
5558f899 381void i_hardinvertall(i_img *im);
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382void i_noise(i_img *im, float amount, unsigned char type);
383void i_bumpmap(i_img *im,i_img *bump,int channel,int light_x,int light_y,int strength);
b2778574
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384void i_bumpmap_complex(i_img *im, i_img *bump, int channel, int tx, int ty, float Lx, float Ly,
385 float Lz, float cd, float cs, float n, i_color *Ia, i_color *Il, i_color *Is);
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386void i_postlevels(i_img *im,int levels);
387void i_mosaic(i_img *im,int size);
388void i_watermark(i_img *im,i_img *wmark,int tx,int ty,int pixdiff);
389void i_autolevels(i_img *im,float lsat,float usat,float skew);
390void i_radnoise(i_img *im,int xo,int yo,float rscale,float ascale);
391void i_turbnoise(i_img *im,float xo,float yo,float scale);
392void i_gradgen(i_img *im, int num, int *xo, int *yo, i_color *ival, int dmeasure);
e310e5f9 393int i_nearest_color(i_img *im, int num, int *xo, int *yo, i_color *ival, int dmeasure);
01b84320 394i_img *i_diff_image(i_img *im, i_img *im2, double mindist);
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395int
396i_fountain(i_img *im, double xa, double ya, double xb, double yb,
397 i_fountain_type type, i_fountain_repeat repeat,
398 int combine, int super_sample, double ssample_param,
399 int count, i_fountain_seg *segs);
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400extern i_fill_t *
401i_new_fill_fount(double xa, double ya, double xb, double yb,
402 i_fountain_type type, i_fountain_repeat repeat,
403 int combine, int super_sample, double ssample_param,
404 int count, i_fountain_seg *segs);
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405
406/* Debug only functions */
407
408void malloc_state( void );
409
410/* this is sort of obsolete now */
411
412typedef struct {
413 undef_int (*i_has_format)(char *frmt);
414 i_color*(*ICL_set)(i_color *cl,unsigned char r,unsigned char g,unsigned char b,unsigned char a);
97ac0a96 415 void (*ICL_info)(const i_color *cl);
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416
417 i_img*(*i_img_new)( void );
418 i_img*(*i_img_empty)(i_img *im,int x,int y);
419 i_img*(*i_img_empty_ch)(i_img *im,int x,int y,int ch);
420 void(*i_img_exorcise)(i_img *im);
421
422 void(*i_img_info)(i_img *im,int *info);
423
424 void(*i_img_setmask)(i_img *im,int ch_mask);
425 int (*i_img_getmask)(i_img *im);
426
da1c841c 427 /*
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428 int (*i_ppix)(i_img *im,int x,int y,i_color *val);
429 int (*i_gpix)(i_img *im,int x,int y,i_color *val);
da1c841c 430 */
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431 void(*i_box)(i_img *im,int x1,int y1,int x2,int y2,const i_color *val);
432 void(*i_line)(i_img *im,int x1,int y1,int x2,int y2,const i_color *val,int endp);
433 void(*i_arc)(i_img *im,int x,int y,float rad,float d1,float d2,const i_color *val);
02d1d628 434 void(*i_copyto)(i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty);
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435 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);
436 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);
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437
438} symbol_table_t;
439
af070d99 440#include "imerror.h"
02d1d628 441
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442/* image tag processing */
443extern void i_tags_new(i_img_tags *tags);
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444extern int i_tags_addn(i_img_tags *tags, char const *name, int code,
445 int idata);
446extern int i_tags_add(i_img_tags *tags, char const *name, int code,
447 char const *data, int size, int idata);
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448extern int i_tags_set(i_img_tags *tags, char const *name,
449 char const *data, int size);
450extern int i_tags_setn(i_img_tags *tags, char const *name, int idata);
451
faa9b3e7 452extern void i_tags_destroy(i_img_tags *tags);
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453extern int i_tags_find(i_img_tags *tags, char const *name, int start,
454 int *entry);
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455extern int i_tags_findn(i_img_tags *tags, int code, int start, int *entry);
456extern int i_tags_delete(i_img_tags *tags, int entry);
97c4effc 457extern int i_tags_delbyname(i_img_tags *tags, char const *name);
faa9b3e7 458extern int i_tags_delbycode(i_img_tags *tags, int code);
97c4effc 459extern int i_tags_get_float(i_img_tags *tags, char const *name, int code,
fd9a31d2 460 double *value);
97c4effc 461extern int i_tags_set_float(i_img_tags *tags, char const *name, int code,
fd9a31d2 462 double value);
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463extern int i_tags_set_float2(i_img_tags *tags, char const *name, int code,
464 double value, int places);
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465extern int i_tags_get_int(i_img_tags *tags, char const *name, int code,
466 int *value);
467extern int i_tags_get_string(i_img_tags *tags, char const *name, int code,
fd9a31d2 468 char *value, size_t value_size);
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469extern int i_tags_get_color(i_img_tags *tags, char const *name, int code,
470 i_color *value);
471extern int i_tags_set_color(i_img_tags *tags, char const *name, int code,
472 i_color const *value);
fd9a31d2 473extern void i_tags_print(i_img_tags *tags);
02d1d628 474
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475/* image file limits */
476extern int
477i_set_image_file_limits(int width, int height, int bytes);
478extern int
479i_get_image_file_limits(int *width, int *height, int *bytes);
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480extern int
481i_int_check_image_file_limits(int width, int height, int channels, int sample_size);
77157728 482
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483/* memory allocation */
484void* mymalloc(int size);
485void myfree(void *p);
486void* myrealloc(void *p, size_t newsize);
487void* mymalloc_file_line (size_t size, char* file, int line);
488void myfree_file_line (void *p, char*file, int line);
489void* myrealloc_file_line(void *p, size_t newsize, char* file,int line);
490
491#ifdef IMAGER_DEBUG_MALLOC
492
493#define mymalloc(x) (mymalloc_file_line((x), __FILE__, __LINE__))
494#define myrealloc(x,y) (myrealloc_file_line((x),(y), __FILE__, __LINE__))
495#define myfree(x) (myfree_file_line((x), __FILE__, __LINE__))
496
497void malloc_state (void);
498void* mymalloc_comm (int size, char *comm);
499void bndcheck_all (void);
500
501#else
502
503#define malloc_comm(a,b) (mymalloc(a))
504void malloc_state(void);
505
506#endif /* IMAGER_MALLOC_DEBUG */
507
9c106321 508#include "imrender.h"
bea65b1f 509#include "immacros.h"
9c106321 510
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511extern void
512i_adapt_colors(int dest_channels, int src_channels, i_color *colors,
513 size_t count);
514extern void
515i_adapt_fcolors(int dest_channels, int src_channels, i_fcolor *colors,
516 size_t count);
517
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518extern void
519i_adapt_colors_bg(int dest_channels, int src_channels, i_color *colors,
520 size_t count, i_color const *bg);
521extern void
522i_adapt_fcolors_bg(int dest_channels, int src_channels, i_fcolor *colors,
523 size_t count, i_fcolor const *bg);
524
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525extern int
526i_gsamp_bg(i_img *im, int l, int r, int y, i_sample_t *samples,
527 int out_channels, i_color const *bg);
528
529extern int
530i_gsampf_bg(i_img *im, int l, int r, int y, i_fsample_t *samples,
531 int out_channels, i_fcolor const *bg);
532
02d1d628 533#endif