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[imager.git] / imager.h
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1#ifndef _IMAGE_H_
2#define _IMAGE_H_
3
e11d297f 4#include "imconfig.h"
156699af 5#include "immacros.h"
7ac6a2e9 6#include "imio.h"
02d1d628 7#include "iolayer.h"
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8#include "stackmach.h"
9
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10#ifndef _MSC_VER
11#include <unistd.h>
12#endif
13#include <string.h>
14#include <stdio.h>
15#include <math.h>
16#include <stdlib.h>
17
18#ifdef SUNOS
19#include <strings.h>
20#endif
21
22#ifndef PI
23#define PI 3.14159265358979323846
24#endif
25
26#ifndef MAXINT
27#define MAXINT 2147483647
28#endif
29
92bda632 30#include "imdatatypes.h"
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31
32undef_int i_has_format(char *frmt);
33
34/* constructors and destructors */
35
36i_color *ICL_new_internal( unsigned char r,unsigned char g,unsigned char b,unsigned char a);
37i_color *ICL_set_internal(i_color *cl,unsigned char r,unsigned char g,unsigned char b,unsigned char a);
97ac0a96 38void ICL_info (const i_color *cl);
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39void ICL_DESTROY (i_color *cl);
40void ICL_add (i_color *dst, i_color *src, int ch);
41
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42extern i_fcolor *i_fcolor_new(double r, double g, double b, double a);
43extern void i_fcolor_destroy(i_fcolor *cl);
44
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45extern void i_rgb_to_hsvf(i_fcolor *color);
46extern void i_hsv_to_rgbf(i_fcolor *color);
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47extern void i_rgb_to_hsv(i_color *color);
48extern void i_hsv_to_rgb(i_color *color);
6607600c 49
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50i_img *im_img_8_new(pIMCTX, i_img_dim x,i_img_dim y,int ch);
51#define i_img_8_new(x,y,ch) im_img_8_new(aIMCTX, x,y,ch)
8d14daab 52i_img *i_img_empty(i_img *im,i_img_dim x,i_img_dim y);
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53i_img *im_img_empty_ch(pIMCTX, i_img *im,i_img_dim x,i_img_dim y,int ch);
54#define i_img_empty_ch(im, x, y, ch) im_img_empty_ch(aIMCTX, im, x, y, ch)
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55void i_img_exorcise(i_img *im);
56void i_img_destroy(i_img *im);
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57i_img *im_img_alloc(pIMCTX);
58#define i_img_alloc() im_img_alloc(aIMCTX)
59void im_img_init(pIMCTX, i_img *im);
60#define i_img_init(im) im_img_init(aIMCTX, im)
02d1d628 61
8d14daab 62void i_img_info(i_img *im,i_img_dim *info);
02d1d628 63
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64extern i_img *i_sametype(i_img *im, i_img_dim xsize, i_img_dim ysize);
65extern i_img *i_sametype_chans(i_img *im, i_img_dim xsize, i_img_dim ysize, int channels);
faa9b3e7 66
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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);
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72i_img_dim i_img_get_width(i_img *im);
73i_img_dim i_img_get_height(i_img *im);
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74
75/* Base functions */
76
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77extern int i_ppix(i_img *im,i_img_dim x,i_img_dim y, const i_color *val);
78extern int i_gpix(i_img *im,i_img_dim x,i_img_dim y,i_color *val);
79extern int i_ppixf(i_img *im,i_img_dim x,i_img_dim y, const i_fcolor *val);
80extern int i_gpixf(i_img *im,i_img_dim x,i_img_dim y,i_fcolor *val);
02d1d628 81
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82#define i_ppix(im, x, y, val) (((im)->i_f_ppix)((im), (x), (y), (val)))
83#define i_gpix(im, x, y, val) (((im)->i_f_gpix)((im), (x), (y), (val)))
84#define i_ppixf(im, x, y, val) (((im)->i_f_ppixf)((im), (x), (y), (val)))
85#define i_gpixf(im, x, y, val) (((im)->i_f_gpixf)((im), (x), (y), (val)))
86
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87extern i_img_dim i_plin(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, const i_color *vals);
88extern i_img_dim i_glin(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_color *vals);
89extern i_img_dim i_plinf(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, const i_fcolor *vals);
90extern i_img_dim i_glinf(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_fcolor *vals);
91extern i_img_dim i_gsamp(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_sample_t *samp,
92bda632 92 const int *chans, int chan_count);
8d14daab 93extern i_img_dim i_gsampf(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_fsample_t *samp,
92bda632 94 const int *chans, int chan_count);
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95extern i_img_dim i_gpal(i_img *im, i_img_dim x, i_img_dim r, i_img_dim y, i_palidx *vals);
96extern i_img_dim i_ppal(i_img *im, i_img_dim x, i_img_dim r, i_img_dim y, const i_palidx *vals);
97ac0a96 97extern int i_addcolors(i_img *im, const i_color *colors, int count);
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98extern int i_getcolors(i_img *im, int i, i_color *, int count);
99extern int i_colorcount(i_img *im);
100extern int i_maxcolors(i_img *im);
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101extern int i_findcolor(i_img *im, const i_color *color, i_palidx *entry);
102extern int i_setcolors(i_img *im, int index, const i_color *colors,
92bda632 103 int count);
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104
105#define i_plin(im, l, r, y, val) (((im)->i_f_plin)(im, l, r, y, val))
106#define i_glin(im, l, r, y, val) (((im)->i_f_glin)(im, l, r, y, val))
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107#define i_plinf(im, l, r, y, val) (((im)->i_f_plinf)(im, l, r, y, val))
108#define i_glinf(im, l, r, y, val) (((im)->i_f_glinf)(im, l, r, y, val))
109
110#define i_gsamp(im, l, r, y, samps, chans, count) \
111 (((im)->i_f_gsamp)((im), (l), (r), (y), (samps), (chans), (count)))
112#define i_gsampf(im, l, r, y, samps, chans, count) \
113 (((im)->i_f_gsampf)((im), (l), (r), (y), (samps), (chans), (count)))
114
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115#define i_gsamp_bits(im, l, r, y, samps, chans, count, bits) \
116 (((im)->i_f_gsamp_bits) ? ((im)->i_f_gsamp_bits)((im), (l), (r), (y), (samps), (chans), (count), (bits)) : -1)
117#define i_psamp_bits(im, l, r, y, samps, chans, count, bits) \
118 (((im)->i_f_psamp_bits) ? ((im)->i_f_psamp_bits)((im), (l), (r), (y), (samps), (chans), (count), (bits)) : -1)
119
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120#define i_findcolor(im, color, entry) \
121 (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
122
123#define i_gpal(im, l, r, y, vals) \
124 (((im)->i_f_gpal) ? ((im)->i_f_gpal)((im), (l), (r), (y), (vals)) : 0)
125#define i_ppal(im, l, r, y, vals) \
126 (((im)->i_f_ppal) ? ((im)->i_f_ppal)((im), (l), (r), (y), (vals)) : 0)
127#define i_addcolors(im, colors, count) \
261f91c5 128 (((im)->i_f_addcolors) ? ((im)->i_f_addcolors)((im), (colors), (count)) : -1)
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129#define i_getcolors(im, index, color, count) \
130 (((im)->i_f_getcolors) ? \
131 ((im)->i_f_getcolors)((im), (index), (color), (count)) : 0)
132#define i_setcolors(im, index, color, count) \
133 (((im)->i_f_setcolors) ? \
134 ((im)->i_f_setcolors)((im), (index), (color), (count)) : 0)
135#define i_colorcount(im) \
136 (((im)->i_f_colorcount) ? ((im)->i_f_colorcount)(im) : -1)
137#define i_maxcolors(im) \
138 (((im)->i_f_maxcolors) ? ((im)->i_f_maxcolors)(im) : -1)
139#define i_findcolor(im, color, entry) \
140 (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
141
142#define i_img_virtual(im) ((im)->virtual)
143#define i_img_type(im) ((im)->type)
144#define i_img_bits(im) ((im)->bits)
02d1d628 145
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146extern i_fill_t *i_new_fill_solidf(const i_fcolor *c, int combine);
147extern i_fill_t *i_new_fill_solid(const i_color *c, int combine);
f1ac5027 148extern i_fill_t *
97ac0a96 149i_new_fill_hatch(const i_color *fg, const i_color *bg, int combine, int hatch,
8d14daab 150 const unsigned char *cust_hatch, i_img_dim dx, i_img_dim dy);
f1ac5027 151extern i_fill_t *
97ac0a96 152i_new_fill_hatchf(const i_fcolor *fg, const i_fcolor *bg, int combine, int hatch,
8d14daab 153 const unsigned char *cust_hatch, i_img_dim dx, i_img_dim dy);
f576ce7e 154extern i_fill_t *
8d14daab 155i_new_fill_image(i_img *im, const double *matrix, i_img_dim xoff, i_img_dim yoff, int combine);
52f2b10a 156extern i_fill_t *i_new_fill_opacity(i_fill_t *, double alpha_mult);
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157extern void i_fill_destroy(i_fill_t *fill);
158
8d14daab 159float i_gpix_pch(i_img *im,i_img_dim x,i_img_dim y,int ch);
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160
161/* functions for drawing primitives */
162
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163void i_box (i_img *im,i_img_dim x1,i_img_dim y1,i_img_dim x2,i_img_dim y2,const i_color *val);
164void i_box_filled (i_img *im,i_img_dim x1,i_img_dim y1,i_img_dim x2,i_img_dim y2,const i_color *val);
165int i_box_filledf (i_img *im,i_img_dim x1,i_img_dim y1,i_img_dim x2,i_img_dim y2,const i_fcolor *val);
166void i_box_cfill(i_img *im, i_img_dim x1, i_img_dim y1, i_img_dim x2, i_img_dim y2, i_fill_t *fill);
167void i_line (i_img *im,i_img_dim x1,i_img_dim y1,i_img_dim x2,i_img_dim y2,const i_color *val, int endp);
168void i_line_aa (i_img *im,i_img_dim x1,i_img_dim y1,i_img_dim x2,i_img_dim y2,const i_color *val, int endp);
169void i_arc (i_img *im,i_img_dim x,i_img_dim y,double rad,double d1,double d2,const i_color *val);
170int i_arc_out(i_img *im,i_img_dim x,i_img_dim y,i_img_dim rad,double d1,double d2,const i_color *val);
171int i_arc_out_aa(i_img *im,i_img_dim x,i_img_dim y,i_img_dim rad,double d1,double d2,const i_color *val);
97ac0a96 172void i_arc_aa (i_img *im, double x, double y, double rad, double d1, double d2, const i_color *val);
8d14daab 173void i_arc_cfill(i_img *im,i_img_dim x,i_img_dim y,double rad,double d1,double d2,i_fill_t *fill);
a8652edf 174void i_arc_aa_cfill(i_img *im,double x,double y,double rad,double d1,double d2,i_fill_t *fill);
8d14daab 175void i_circle_aa (i_img *im,double x, double y,double rad,const i_color *val);
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176int i_circle_out (i_img *im,i_img_dim x, i_img_dim y, i_img_dim rad,const i_color *val);
177int i_circle_out_aa (i_img *im,i_img_dim x, i_img_dim y, i_img_dim rad,const i_color *val);
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178void i_copyto (i_img *im,i_img *src,i_img_dim x1,i_img_dim y1,i_img_dim x2,i_img_dim y2,i_img_dim tx,i_img_dim ty);
179void i_copyto_trans(i_img *im,i_img *src,i_img_dim x1,i_img_dim y1,i_img_dim x2,i_img_dim y2,i_img_dim tx,i_img_dim ty,const i_color *trans);
92bda632 180i_img* i_copy (i_img *src);
8d14daab 181int i_rubthru (i_img *im, i_img *src, i_img_dim tx, i_img_dim ty, i_img_dim src_minx, i_img_dim src_miny, i_img_dim src_maxx, i_img_dim src_maxy);
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182extern int
183i_compose_mask(i_img *out, i_img *src, i_img *mask,
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184 i_img_dim out_left, i_img_dim out_top, i_img_dim src_left, i_img_dim src_top,
185 i_img_dim mask_left, i_img_dim mask_top, i_img_dim width, i_img_dim height,
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186 int combine, double opacity);
187extern int
188i_compose(i_img *out, i_img *src,
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189 i_img_dim out_left, i_img_dim out_top, i_img_dim src_left, i_img_dim src_top,
190 i_img_dim width, i_img_dim height, int combine, double opacity);
02d1d628 191
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192extern i_img *
193i_combine(i_img **src, const int *channels, int in_count);
194
142c26ff 195undef_int i_flipxy (i_img *im, int direction);
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196extern i_img *i_rotate90(i_img *im, int degrees);
197extern i_img *i_rotate_exact(i_img *im, double amount);
97ac0a96 198extern i_img *i_rotate_exact_bg(i_img *im, double amount, const i_color *backp, const i_fcolor *fbackp);
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199extern i_img *i_matrix_transform(i_img *im, i_img_dim xsize, i_img_dim ysize, const double *matrix);
200extern i_img *i_matrix_transform_bg(i_img *im, i_img_dim xsize, i_img_dim ysize, const double *matrix, const i_color *backp, const i_fcolor *fbackp);
142c26ff 201
97ac0a96 202void i_bezier_multi(i_img *im,int l,const double *x,const double *y,const i_color *val);
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203int i_poly_aa (i_img *im,int l,const double *x,const double *y,const i_color *val);
204int i_poly_aa_cfill(i_img *im,int l,const double *x,const double *y,i_fill_t *fill);
02d1d628 205
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206undef_int i_flood_fill (i_img *im,i_img_dim seedx,i_img_dim seedy, const i_color *dcol);
207undef_int i_flood_cfill(i_img *im, i_img_dim seedx, i_img_dim seedy, i_fill_t *fill);
208undef_int i_flood_fill_border (i_img *im,i_img_dim seedx,i_img_dim seedy, const i_color *dcol, const i_color *border);
209undef_int i_flood_cfill_border(i_img *im, i_img_dim seedx, i_img_dim seedy, i_fill_t *fill, const i_color *border);
a321d497 210
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211
212/* image processing functions */
213
167660cd 214int i_gaussian (i_img *im, double stdev);
6a3cbaef 215int i_conv (i_img *im,const double *coeff,int len);
b6381851 216void i_unsharp_mask(i_img *im, double stddev, double scale);
02d1d628 217
f5991c03 218/* colour manipulation */
62869327 219extern i_img *i_convert(i_img *src, const double *coeff, int outchan, int inchan);
faa9b3e7 220extern void i_map(i_img *im, unsigned char (*maps)[256], unsigned int mask);
f5991c03 221
02d1d628 222float i_img_diff (i_img *im1,i_img *im2);
e41cfe8f 223double i_img_diffd(i_img *im1,i_img *im2);
4498c8bd 224int i_img_samef(i_img *im1,i_img *im2, double epsilon, const char *what);
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225
226/* font routines */
227
4cb58f1b 228undef_int i_init_fonts( int t1log );
02d1d628 229
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230#ifdef HAVE_LIBTT
231
97ac0a96 232TT_Fonthandle* i_tt_new(const char *fontname);
02d1d628 233void i_tt_destroy( TT_Fonthandle *handle );
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234undef_int i_tt_cp( TT_Fonthandle *handle,i_img *im,i_img_dim xb,i_img_dim yb,int channel,double points,char const* txt,size_t len,int smooth, int utf8, int align);
235undef_int i_tt_text( TT_Fonthandle *handle, i_img *im, i_img_dim xb, i_img_dim yb, const i_color *cl, double points, char const* txt, size_t len, int smooth, int utf8, int align);
236undef_int i_tt_bbox( TT_Fonthandle *handle, double points,const char *txt,size_t len,i_img_dim cords[6], int utf8);
237size_t i_tt_has_chars(TT_Fonthandle *handle, char const *text, size_t len, int utf8, char *out);
3799c4d1 238void i_tt_dump_names(TT_Fonthandle *handle);
8d14daab 239size_t i_tt_face_name(TT_Fonthandle *handle, char *name_buf,
3799c4d1 240 size_t name_buf_size);
8d14daab 241size_t i_tt_glyph_name(TT_Fonthandle *handle, unsigned long ch, char *name_buf,
3799c4d1 242 size_t name_buf_size);
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243
244#endif /* End of freetype headers */
245
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246extern void i_quant_makemap(i_quantize *quant, i_img **imgs, int count);
247extern i_palidx *i_quant_translate(i_quantize *quant, i_img *img);
248extern void i_quant_transparent(i_quantize *quant, i_palidx *indices, i_img *img, i_palidx trans_index);
02d1d628 249
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250i_img *im_img_pal_new(pIMCTX, i_img_dim x, i_img_dim y, int ch, int maxpal);
251#define i_img_pal_new(x, y, ch, maxpal) im_img_pal_new(aIMCTX, x, y, ch, maxpal)
252
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253extern i_img *i_img_to_pal(i_img *src, i_quantize *quant);
254extern i_img *i_img_to_rgb(i_img *src);
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255extern i_img *i_img_masked_new(i_img *targ, i_img *mask, i_img_dim x, i_img_dim y,
256 i_img_dim w, i_img_dim h);
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257extern i_img *im_img_16_new(pIMCTX, i_img_dim x, i_img_dim y, int ch);
258#define i_img_16_new(x, y, ch) im_img_16_new(aIMCTX, x, y, ch)
167660cd 259extern i_img *i_img_to_rgb16(i_img *im);
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260extern i_img *im_img_double_new(pIMCTX, i_img_dim x, i_img_dim y, int ch);
261#define i_img_double_new(x, y, ch) im_img_double_new(aIMCTX, x, y, ch)
bfe6ba3f 262extern i_img *i_img_to_drgb(i_img *im);
faa9b3e7 263
9c106321 264extern int i_img_is_monochrome(i_img *im, int *zero_is_white);
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265extern int i_get_file_background(i_img *im, i_color *bg);
266extern int i_get_file_backgroundf(i_img *im, i_fcolor *bg);
e10bf46e 267
ea1136fc 268const char * i_test_format_probe(io_glue *data, int length);
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269
270
8d14daab 271i_img * i_readraw_wiol(io_glue *ig, i_img_dim x, i_img_dim y, int datachannels, int storechannels, int intrl);
895dbd34 272undef_int i_writeraw_wiol(i_img* im, io_glue *ig);
02d1d628 273
d87dc9a4 274i_img * i_readpnm_wiol(io_glue *ig, int allow_incomplete);
2086be61 275i_img ** i_readpnm_multi_wiol(io_glue *ig, int *count, int allow_incomplete);
067d6bdc 276undef_int i_writeppm_wiol(i_img *im, io_glue *ig);
02d1d628 277
1ec86afa 278extern int i_writebmp_wiol(i_img *im, io_glue *ig);
d87dc9a4 279extern i_img *i_readbmp_wiol(io_glue *ig, int allow_incomplete);
02d1d628 280
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281int tga_header_verify(unsigned char headbuf[18]);
282
1ec86afa 283i_img * i_readtga_wiol(io_glue *ig, int length);
febba01f 284undef_int i_writetga_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
1ec86afa 285
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286i_img * i_readrgb_wiol(io_glue *ig, int length);
287undef_int i_writergb_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
288
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289i_img * i_scaleaxis(i_img *im, double Value, int Axis);
290i_img * i_scale_nn(i_img *im, double scx, double scy);
291i_img * i_scale_mixing(i_img *src, i_img_dim width, i_img_dim height);
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292i_img * i_haar(i_img *im);
293int i_count_colors(i_img *im,int maxc);
a60905e4 294int i_get_anonymous_color_histo(i_img *im, unsigned int **col_usage, int maxc);
02d1d628 295
8d14daab 296i_img * i_transform(i_img *im, int *opx, int opxl, int *opy,int opyl,double parm[],int parmlen);
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297
298struct rm_op;
8d14daab 299i_img * i_transform2(i_img_dim width, i_img_dim height, int channels,
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300 struct rm_op *ops, int ops_count,
301 double *n_regs, int n_regs_count,
302 i_color *c_regs, int c_regs_count,
303 i_img **in_imgs, int in_imgs_count);
febba01f 304
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305/* filters */
306
307void i_contrast(i_img *im, float intensity);
308void i_hardinvert(i_img *im);
5558f899 309void i_hardinvertall(i_img *im);
02d1d628 310void i_noise(i_img *im, float amount, unsigned char type);
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311void i_bumpmap(i_img *im,i_img *bump,int channel,i_img_dim light_x,i_img_dim light_y,i_img_dim strength);
312void i_bumpmap_complex(i_img *im, i_img *bump, int channel, i_img_dim tx, i_img_dim ty, double Lx, double Ly,
313 double Lz, float cd, float cs, float n, i_color *Ia, i_color *Il, i_color *Is);
02d1d628 314void i_postlevels(i_img *im,int levels);
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315void i_mosaic(i_img *im,i_img_dim size);
316void i_watermark(i_img *im,i_img *wmark,i_img_dim tx,i_img_dim ty,int pixdiff);
02d1d628 317void i_autolevels(i_img *im,float lsat,float usat,float skew);
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318void i_radnoise(i_img *im,i_img_dim xo,i_img_dim yo,double rscale,double ascale);
319void i_turbnoise(i_img *im,double xo,double yo,double scale);
320void i_gradgen(i_img *im, int num, i_img_dim *xo, i_img_dim *yo, i_color *ival, int dmeasure);
321int i_nearest_color(i_img *im, int num, i_img_dim *xo, i_img_dim *yo, i_color *ival, int dmeasure);
01b84320 322i_img *i_diff_image(i_img *im, i_img *im2, double mindist);
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323int
324i_fountain(i_img *im, double xa, double ya, double xb, double yb,
325 i_fountain_type type, i_fountain_repeat repeat,
326 int combine, int super_sample, double ssample_param,
327 int count, i_fountain_seg *segs);
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328extern i_fill_t *
329i_new_fill_fount(double xa, double ya, double xb, double yb,
330 i_fountain_type type, i_fountain_repeat repeat,
331 int combine, int super_sample, double ssample_param,
332 int count, i_fountain_seg *segs);
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333
334/* Debug only functions */
335
336void malloc_state( void );
337
af070d99 338#include "imerror.h"
02d1d628 339
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340/* image tag processing */
341extern void i_tags_new(i_img_tags *tags);
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342extern int i_tags_addn(i_img_tags *tags, char const *name, int code,
343 int idata);
344extern int i_tags_add(i_img_tags *tags, char const *name, int code,
345 char const *data, int size, int idata);
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346extern int i_tags_set(i_img_tags *tags, char const *name,
347 char const *data, int size);
348extern int i_tags_setn(i_img_tags *tags, char const *name, int idata);
349
faa9b3e7 350extern void i_tags_destroy(i_img_tags *tags);
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351extern int i_tags_find(i_img_tags *tags, char const *name, int start,
352 int *entry);
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353extern int i_tags_findn(i_img_tags *tags, int code, int start, int *entry);
354extern int i_tags_delete(i_img_tags *tags, int entry);
97c4effc 355extern int i_tags_delbyname(i_img_tags *tags, char const *name);
faa9b3e7 356extern int i_tags_delbycode(i_img_tags *tags, int code);
97c4effc 357extern int i_tags_get_float(i_img_tags *tags, char const *name, int code,
fd9a31d2 358 double *value);
97c4effc 359extern int i_tags_set_float(i_img_tags *tags, char const *name, int code,
fd9a31d2 360 double value);
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361extern int i_tags_set_float2(i_img_tags *tags, char const *name, int code,
362 double value, int places);
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363extern int i_tags_get_int(i_img_tags *tags, char const *name, int code,
364 int *value);
365extern int i_tags_get_string(i_img_tags *tags, char const *name, int code,
fd9a31d2 366 char *value, size_t value_size);
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367extern int i_tags_get_color(i_img_tags *tags, char const *name, int code,
368 i_color *value);
369extern int i_tags_set_color(i_img_tags *tags, char const *name, int code,
370 i_color const *value);
fd9a31d2 371extern void i_tags_print(i_img_tags *tags);
02d1d628 372
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373/* image file limits */
374extern int
8d14daab 375i_set_image_file_limits(i_img_dim width, i_img_dim height, size_t bytes);
77157728 376extern int
8d14daab 377i_get_image_file_limits(i_img_dim *width, i_img_dim *height, size_t *bytes);
2b405c9e 378extern int
8d14daab 379i_int_check_image_file_limits(i_img_dim width, i_img_dim height, int channels, size_t sample_size);
77157728 380
e310e5f9 381/* memory allocation */
8d14daab 382void* mymalloc(size_t size);
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383void myfree(void *p);
384void* myrealloc(void *p, size_t newsize);
385void* mymalloc_file_line (size_t size, char* file, int line);
386void myfree_file_line (void *p, char*file, int line);
387void* myrealloc_file_line(void *p, size_t newsize, char* file,int line);
388
389#ifdef IMAGER_DEBUG_MALLOC
390
391#define mymalloc(x) (mymalloc_file_line((x), __FILE__, __LINE__))
392#define myrealloc(x,y) (myrealloc_file_line((x),(y), __FILE__, __LINE__))
393#define myfree(x) (myfree_file_line((x), __FILE__, __LINE__))
394
395void malloc_state (void);
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396void bndcheck_all (void);
397
398#else
399
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400void malloc_state(void);
401
402#endif /* IMAGER_MALLOC_DEBUG */
403
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404#include "imrender.h"
405
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406extern void
407i_adapt_colors(int dest_channels, int src_channels, i_color *colors,
408 size_t count);
409extern void
410i_adapt_fcolors(int dest_channels, int src_channels, i_fcolor *colors,
411 size_t count);
412
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413extern void
414i_adapt_colors_bg(int dest_channels, int src_channels, i_color *colors,
415 size_t count, i_color const *bg);
416extern void
417i_adapt_fcolors_bg(int dest_channels, int src_channels, i_fcolor *colors,
418 size_t count, i_fcolor const *bg);
419
2a31a4b4 420extern int
8d14daab 421i_gsamp_bg(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_sample_t *samples,
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422 int out_channels, i_color const *bg);
423
424extern int
8d14daab 425i_gsampf_bg(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_fsample_t *samples,
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426 int out_channels, i_fcolor const *bg);
427
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428extern im_context_t (*im_get_context)(void);
429
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430#include "imio.h"
431
02d1d628 432#endif