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92bda63 - start of external Imager API access:
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1 #ifndef IMAGER_IMEXTTYPES_H_
2 #define IMAGER_IMEXTTYPES_H_
3
4 /* keep this file simple - apidocs.perl parses it. */
5
6 #include "imdatatypes.h"
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7 #include <stdarg.h>
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8
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9 /*
10 IMAGER_API_VERSION is similar to the version number in the third and
11 fourth bytes of TIFF files - if it ever changes then the API has changed
12 too much for any application to remain compatible.
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13
14 Version 2 changed the types of some parameters and pointers. A
15 simple recompile should be enough in most cases.
16
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17 Version 3 changed the behaviour of some of the I/O layer functions,
18 and in some cases the initial seek position when calling file
19 readers. Switching away from calling readcb etc to i_io_read() etc
20 should fix your code.
21
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22 Version 4 added i_psamp() and i_psampf() pointers to the i_img
23 structure.
24
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25 Version 5 changed the return types of i_get_file_background() and
26 i_get_file_backgroundf() from void to int.
27
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28 */
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29 #define IMAGER_API_VERSION 5
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30
31 /*
32 IMAGER_API_LEVEL is the level of the structure. New function pointers
33 will always remain at the end (unless IMAGER_API_VERSION changes), and
34 will result in an increment of IMAGER_API_LEVEL.
35 */
36
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37 #define IMAGER_API_LEVEL 9
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38
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39 typedef struct {
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40 int version;
41 int level;
42
43 /* IMAGER_API_LEVEL 1 functions */
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44 void * (*f_mymalloc)(size_t size);
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45 void (*f_myfree)(void *block);
46 void * (*f_myrealloc)(void *block, size_t newsize);
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47 void* (*f_mymalloc_file_line)(size_t size, char* file, int line);
48 void (*f_myfree_file_line)(void *p, char*file, int line);
49 void* (*f_myrealloc_file_line)(void *p, size_t newsize, char* file,int line);
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50
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51 i_img *(*f_i_img_8_new)(i_img_dim xsize, i_img_dim ysize, int channels); /* SKIP */
52 i_img *(*f_i_img_16_new)(i_img_dim xsize, i_img_dim ysize, int channels); /* SKIP */
53 i_img *(*f_i_img_double_new)(i_img_dim xsize, i_img_dim ysize, int channels); /* SKIP */
54 i_img *(*f_i_img_pal_new)(i_img_dim xsize, i_img_dim ysize, int channels, int maxpal); /* SKIP */
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55 void (*f_i_img_destroy)(i_img *im);
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56 i_img *(*f_i_sametype)(i_img *im, i_img_dim xsize, i_img_dim ysize);
57 i_img *(*f_i_sametype_chans)(i_img *im, i_img_dim xsize, i_img_dim ysize, int channels);
58 void (*f_i_img_info)(i_img *im, i_img_dim *info);
59
60 int (*f_i_ppix)(i_img *im, i_img_dim x, i_img_dim y, const i_color *val);
61 int (*f_i_gpix)(i_img *im, i_img_dim x, i_img_dim y, i_color *val);
62 int (*f_i_ppixf)(i_img *im, i_img_dim x, i_img_dim y, const i_fcolor *val);
63 int (*f_i_gpixf)(i_img *im, i_img_dim x, i_img_dim y, i_fcolor *val);
64 i_img_dim (*f_i_plin)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, const i_color *vals);
65 i_img_dim (*f_i_glin)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_color *vals);
66 i_img_dim (*f_i_plinf)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, const i_fcolor *vals);
67 i_img_dim (*f_i_glinf)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_fcolor *vals);
68 i_img_dim (*f_i_gsamp)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_sample_t *samp,
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69 const int *chans, int chan_count);
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70 i_img_dim (*f_i_gsampf)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_fsample_t *samp,
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71 const int *chans, int chan_count);
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72 i_img_dim (*f_i_gpal)(i_img *im, i_img_dim x, i_img_dim r, i_img_dim y, i_palidx *vals);
73 i_img_dim (*f_i_ppal)(i_img *im, i_img_dim x, i_img_dim r, i_img_dim y, const i_palidx *vals);
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74 int (*f_i_addcolors)(i_img *im, const i_color *colors, int count);
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75 int (*f_i_getcolors)(i_img *im, int i, i_color *, int count);
76 int (*f_i_colorcount)(i_img *im);
77 int (*f_i_maxcolors)(i_img *im);
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78 int (*f_i_findcolor)(i_img *im, const i_color *color, i_palidx *entry);
79 int (*f_i_setcolors)(i_img *im, int index, const i_color *colors,
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80 int count);
81
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82 i_fill_t *(*f_i_new_fill_solid)(const i_color *c, int combine);
83 i_fill_t *(*f_i_new_fill_solidf)(const i_fcolor *c, int combine);
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84
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85 i_fill_t *(*f_i_new_fill_hatch)(const i_color *fg, const i_color *bg, int combine,
86 int hatch, const unsigned char *cust_hatch,
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87 i_img_dim dx, i_img_dim dy);
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88 i_fill_t *(*f_i_new_fill_hatchf)(const i_fcolor *fg, const i_fcolor *bg, int combine,
89 int hatch, const unsigned char *cust_hatch,
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90 i_img_dim dx, i_img_dim dy);
91 i_fill_t *(*f_i_new_fill_image)(i_img *im, const double *matrix, i_img_dim xoff,
92 i_img_dim yoff, int combine);
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93 i_fill_t *(*f_i_new_fill_fount)(double xa, double ya, double xb, double yb,
94 i_fountain_type type, i_fountain_repeat repeat,
95 int combine, int super_sample, double ssample_param,
96 int count, i_fountain_seg *segs);
97
98 void (*f_i_fill_destroy)(i_fill_t *fill);
99
100 void (*f_i_quant_makemap)(i_quantize *quant, i_img **imgs, int count);
101 i_palidx * (*f_i_quant_translate)(i_quantize *quant, i_img *img);
102 void (*f_i_quant_transparent)(i_quantize *quant, i_palidx *indices,
103 i_img *img, i_palidx trans_index);
104
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105 void (*f_i_clear_error)(void); /* SKIP */
106 void (*f_i_push_error)(int code, char const *msg); /* SKIP */
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107 void (*f_i_push_errorf)(int code, char const *fmt, ...) I_FORMAT_ATTR(2,3);
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108 void (*f_i_push_errorvf)(int code, char const *fmt, va_list); /* SKIP */
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109
110 void (*f_i_tags_new)(i_img_tags *tags);
111 int (*f_i_tags_set)(i_img_tags *tags, char const *name, char const *data,
112 int size);
113 int (*f_i_tags_setn)(i_img_tags *tags, char const *name, int idata);
114 void (*f_i_tags_destroy)(i_img_tags *tags);
115 int (*f_i_tags_find)(i_img_tags *tags, char const *name, int start,
116 int *entry);
117 int (*f_i_tags_findn)(i_img_tags *tags, int code, int start, int *entry);
118 int (*f_i_tags_delete)(i_img_tags *tags, int entry);
119 int (*f_i_tags_delbyname)(i_img_tags *tags, char const *name);
120 int (*f_i_tags_delbycode)(i_img_tags *tags, int code);
121 int (*f_i_tags_get_float)(i_img_tags *tags, char const *name, int code,
122 double *value);
123 int (*f_i_tags_set_float)(i_img_tags *tags, char const *name, int code,
124 double value);
125 int (*f_i_tags_set_float2)(i_img_tags *tags, char const *name, int code,
126 double value, int places);
127 int (*f_i_tags_get_int)(i_img_tags *tags, char const *name, int code,
128 int *value);
129 int (*f_i_tags_get_string)(i_img_tags *tags, char const *name, int code,
130 char *value, size_t value_size);
131 int (*f_i_tags_get_color)(i_img_tags *tags, char const *name, int code,
132 i_color *value);
133 int (*f_i_tags_set_color)(i_img_tags *tags, char const *name, int code,
134 i_color const *value);
135
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136 void (*f_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);
137 void (*f_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);
138 void (*f_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);
139 void (*f_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);
140 void (*f_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);
141 void (*f_i_arc)(i_img *im, i_img_dim x, i_img_dim y, double rad, double d1, double d2, const i_color *val);
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142 void (*f_i_arc_aa)(i_img *im, double x, double y, double rad, double d1, double d2, const i_color *val);
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143 void (*f_i_arc_cfill)(i_img *im, i_img_dim x, i_img_dim y, double rad, double d1, double d2, i_fill_t *val);
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144 void (*f_i_arc_aa_cfill)(i_img *im, double x, double y, double rad, double d1, double d2, i_fill_t *fill);
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145 void (*f_i_circle_aa)(i_img *im, double x, double y, double rad, const i_color *val);
146 int (*f_i_flood_fill)(i_img *im, i_img_dim seedx, i_img_dim seedy, const i_color *dcol);
147 int (*f_i_flood_cfill)(i_img *im, i_img_dim seedx, i_img_dim seedy, i_fill_t *fill);
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148
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149 void (*f_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);
150 void (*f_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);
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151 i_img *(*f_i_copy)(i_img *im);
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152 int (*f_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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153
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154 /* IMAGER_API_LEVEL 2 functions */
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155 int (*f_i_set_image_file_limits)(i_img_dim width, i_img_dim height, size_t bytes); /* SKIP */
156 int (*f_i_get_image_file_limits)(i_img_dim *width, i_img_dim *height, size_t *bytes); /* SKIP */
157 int (*f_i_int_check_image_file_limits)(i_img_dim width, i_img_dim height, int channels, size_t sample_size); /* SKIP */
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158 int (*f_i_flood_fill_border)(i_img *im, i_img_dim seedx, i_img_dim seedy, const i_color *dcol, const i_color *border);
159 int (*f_i_flood_cfill_border)(i_img *im, i_img_dim seedx, i_img_dim seedy, i_fill_t *fill, const i_color *border);
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160
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161 /* IMAGER_API_LEVEL 3 functions */
162 void (*f_i_img_setmask)(i_img *im, int ch_mask);
163 int (*f_i_img_getmask)(i_img *im);
164 int (*f_i_img_getchannels)(i_img *im);
165 i_img_dim (*f_i_img_get_width)(i_img *im);
166 i_img_dim (*f_i_img_get_height)(i_img *im);
167 void (*f_i_lhead)(const char *file, int line_number);
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168 void (*f_i_loog)(int level, const char *msg, ...) I_FORMAT_ATTR(2,3);
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169
170 /* IMAGER_API_LEVEL 4 functions will be added here */
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171 i_img *(*f_i_img_alloc)(void); /* SKIP */
172 void (*f_i_img_init)(i_img *); /* SKIP */
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173
174 /* IMAGER_API_LEVEL 5 functions will be added here */
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175 /* added i_psampf?_bits macros */
176 int (*f_i_img_is_monochrome)(i_img *, int *zero_is_white);
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177 int (*f_i_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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178 int out_channels, i_color const * bg);
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179 int (*f_i_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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180 int out_channels, i_fcolor const * bg);
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181 int (*f_i_get_file_background)(i_img *im, i_color *bg);
182 int (*f_i_get_file_backgroundf)(i_img *im, i_fcolor *bg);
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183 unsigned long (*f_i_utf8_advance)(char const **p, size_t *len);
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184 i_render *(*f_i_render_new)(i_img *im, i_img_dim width);
185 void (*f_i_render_delete)(i_render *r);
186 void (*f_i_render_color)(i_render *r, i_img_dim x, i_img_dim y,
187 i_img_dim width, unsigned char const *src,
188 i_color const *color);
189 void (*f_i_render_fill)(i_render *r, i_img_dim x, i_img_dim y,
190 i_img_dim width, unsigned char const *src,
191 i_fill_t *fill);
192 void (*f_i_render_line)(i_render *r, i_img_dim x, i_img_dim y,
193 i_img_dim width, const i_sample_t *src,
194 i_color *line, i_fill_combine_f combine);
195 void (*f_i_render_linef)(i_render *r, i_img_dim x, i_img_dim y,
196 i_img_dim width, const double *src,
197 i_fcolor *line, i_fill_combinef_f combine);
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198
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199 /* Level 6 lost to mis-numbering */
200 /* IMAGER_API_LEVEL 7 */
201 int (*f_i_io_getc_imp)(io_glue *ig);
202 int (*f_i_io_peekc_imp)(io_glue *ig);
203 ssize_t (*f_i_io_peekn)(io_glue *ig, void *buf, size_t size);
204 int (*f_i_io_putc_imp)(io_glue *ig, int c);
205 ssize_t (*f_i_io_read)(io_glue *, void *buf, size_t size);
206 ssize_t (*f_i_io_write)(io_glue *, const void *buf, size_t size);
207 off_t (*f_i_io_seek)(io_glue *, off_t offset, int whence);
208 int (*f_i_io_flush)(io_glue *ig);
209 int (*f_i_io_close)(io_glue *ig);
210 int (*f_i_io_set_buffered)(io_glue *ig, int buffered);
211 ssize_t (*f_i_io_gets)(io_glue *ig, char *, size_t, int);
212
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213 i_io_glue_t *(*f_io_new_fd)(int fd); /* SKIP */
214 i_io_glue_t *(*f_io_new_bufchain)(void); /* SKIP */
215 i_io_glue_t *(*f_io_new_buffer)(const char *data, size_t len, i_io_closebufp_t closecb, void *closedata); /* SKIP */
216 i_io_glue_t *(*f_io_new_cb)(void *p, i_io_readl_t readcb, i_io_writel_t writecb, i_io_seekl_t seekcb, i_io_closel_t closecb, i_io_destroyl_t destroycb); /* SKIP */
217 size_t (*f_io_slurp)(i_io_glue_t *ig, unsigned char **c);
218 void (*f_io_glue_destroy)(i_io_glue_t *ig);
219
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220 /* IMAGER_API_LEVEL 8 */
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221 i_img *(*f_im_img_8_new)(im_context_t ctx, i_img_dim xsize, i_img_dim ysize, int channels);
222 i_img *(*f_im_img_16_new)(im_context_t ctx, i_img_dim xsize, i_img_dim ysize, int channels);
223 i_img *(*f_im_img_double_new)(im_context_t ctx, i_img_dim xsize, i_img_dim ysize, int channels);
224 i_img *(*f_im_img_pal_new)(im_context_t ctx, i_img_dim xsize, i_img_dim ysize, int channels, int maxpal);
225
226 void (*f_im_clear_error)(im_context_t ctx);
227 void (*f_im_push_error)(im_context_t ctx, int code, char const *msg);
228 void (*f_im_push_errorvf)(im_context_t ctx, int code, char const *fmt, va_list);
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229 void (*f_im_push_errorf)(im_context_t , int code, char const *fmt, ...) I_FORMAT_ATTR(3,4);
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230
231 int (*f_im_set_image_file_limits)(im_context_t ctx, i_img_dim width, i_img_dim height, size_t bytes);
232 int (*f_im_get_image_file_limits)(im_context_t ctx, i_img_dim *width, i_img_dim *height, size_t *bytes);
233 int (*f_im_int_check_image_file_limits)(im_context_t ctx, i_img_dim width, i_img_dim height, int channels, size_t sample_size);
234
235 i_img *(*f_im_img_alloc)(im_context_t ctx);
236 void (*f_im_img_init)(im_context_t ctx, i_img *);
237
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238 i_io_glue_t *(*f_im_io_new_fd)(im_context_t ctx, int fd);
239 i_io_glue_t *(*f_im_io_new_bufchain)(im_context_t ctx);
240 i_io_glue_t *(*f_im_io_new_buffer)(im_context_t ctx, const char *data, size_t len, i_io_closebufp_t closecb, void *closedata);
241 i_io_glue_t *(*f_im_io_new_cb)(im_context_t ctx, void *p, i_io_readl_t readcb, i_io_writel_t writecb, i_io_seekl_t seekcb, i_io_closel_t closecb, i_io_destroyl_t destroycb);
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242
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243 im_context_t (*f_im_get_context)(void);
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244
245 void (*f_im_lhead)( im_context_t, const char *file, int line );
246 void (*f_im_loog)(im_context_t, int level,const char *msg, ... ) I_FORMAT_ATTR(3,4);
247 void (*f_im_context_refinc)(im_context_t, const char *where);
248 void (*f_im_context_refdec)(im_context_t, const char *where);
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249 i_errmsg *(*f_im_errors)(im_context_t);
24c9233 @tonycoz add mutex functions to the API
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250 i_mutex_t (*f_i_mutex_new)(void);
251 void (*f_i_mutex_destroy)(i_mutex_t m);
252 void (*f_i_mutex_lock)(i_mutex_t m);
253 void (*f_i_mutex_unlock)(i_mutex_t m);
254 im_slot_t (*f_im_context_slot_new)(im_slot_destroy_t);
255 int (*f_im_context_slot_set)(im_context_t, im_slot_t, void *);
256 void *(*f_im_context_slot_get)(im_context_t, im_slot_t);
0d80f37 @tonycoz access to poly_poly from perl as polypolygon()
authored
257
258 /* IMAGER_API_LEVEL 9 */
259 int (*f_i_poly_poly_aa)(i_img *im, int count, const i_polygon_t *polys,
260 i_poly_fill_mode_t mode, const i_color *val);
261 int (*f_i_poly_poly_aa_cfill)(i_img *im, int count, const i_polygon_t *polys,
262 i_poly_fill_mode_t mode, i_fill_t *fill);
263 int (*f_i_poly_aa_m)(i_img *im, int l, const double *x, const double *y,
264 i_poly_fill_mode_t mode, const i_color *val);
265 int (*f_i_poly_aa_cfill_m)(i_img *im, int l, const double *x,
266 const double *y, i_poly_fill_mode_t mode,
267 i_fill_t *fill);
268
35db02f @tonycoz add colorchannels(), alphachannel() and colormodel() methods
authored
269 int (*f_i_img_alpha_channel)(i_img *im, int *channel);
270 i_color_model_t (*f_i_img_color_model)(i_img *im);
271 int (*f_i_img_color_channels)(i_img *im);
0d80f37 @tonycoz access to poly_poly from perl as polypolygon()
authored
272
6daae07 @tonycoz we don't need to bump API level twice in the same release
authored
273 /* IMAGER_API_LEVEL 10 functions will be added here */
92bda63 - start of external Imager API access:
Tony Cook authored
274 } im_ext_funcs;
275
276 #define PERL_FUNCTION_TABLE_NAME "Imager::__ext_func_table"
277
278 #endif
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