421 lines
19 KiB
C
421 lines
19 KiB
C
#ifndef _IMAGE_H_
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#define _IMAGE_H_
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#include "imconfig.h"
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#include "immacros.h"
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#include "imio.h"
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#include "iolayer.h"
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#include "stackmach.h"
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#ifndef _MSC_VER
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#include <unistd.h>
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#endif
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#include <string.h>
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#include <stdio.h>
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#include <math.h>
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#include <stdlib.h>
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#ifdef SUNOS
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#include <strings.h>
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#endif
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#ifndef PI
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#define PI 3.14159265358979323846
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#endif
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#include "imdatatypes.h"
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undef_int i_has_format(char *frmt);
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/* constructors and destructors */
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i_color *ICL_new_internal( unsigned char r,unsigned char g,unsigned char b,unsigned char a);
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i_color *ICL_set_internal(i_color *cl,unsigned char r,unsigned char g,unsigned char b,unsigned char a);
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void ICL_info (const i_color *cl);
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void ICL_DESTROY (i_color *cl);
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void ICL_add (i_color *dst, i_color *src, int ch);
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extern i_fcolor *i_fcolor_new(double r, double g, double b, double a);
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extern void i_fcolor_destroy(i_fcolor *cl);
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extern void i_rgb_to_hsvf(i_fcolor *color);
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extern void i_hsv_to_rgbf(i_fcolor *color);
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extern void i_rgb_to_hsv(i_color *color);
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extern void i_hsv_to_rgb(i_color *color);
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i_img *im_img_8_new(pIMCTX, i_img_dim x,i_img_dim y,int ch);
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#define i_img_empty(im, x, y) i_img_empty_ch((im), (x), (y), 3)
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i_img *im_img_empty_ch(pIMCTX, i_img *im,i_img_dim x,i_img_dim y,int ch);
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#define i_img_empty_ch(im, x, y, ch) im_img_empty_ch(aIMCTX, (im), (x), (y), (ch))
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void i_img_exorcise(i_img *im);
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void i_img_destroy(i_img *im);
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i_img *im_img_alloc(pIMCTX);
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void im_img_init(pIMCTX, i_img *im);
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void i_img_info(i_img *im,i_img_dim *info);
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extern i_img *i_sametype(i_img *im, i_img_dim xsize, i_img_dim ysize);
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extern i_img *i_sametype_chans(i_img *im, i_img_dim xsize, i_img_dim ysize, int channels);
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/* Image feature settings */
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void i_img_setmask (i_img *im,int ch_mask);
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int i_img_getmask (i_img *im);
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int i_img_getchannels(i_img *im);
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i_img_dim i_img_get_width(i_img *im);
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i_img_dim i_img_get_height(i_img *im);
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i_color_model_t i_img_color_model(i_img *im);
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int i_img_alpha_channel(i_img *im, int *channel);
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int i_img_color_channels(i_img *im);
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/* Base functions */
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extern int (i_ppix)(i_img *im,i_img_dim x,i_img_dim y, const i_color *val);
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extern int (i_gpix)(i_img *im,i_img_dim x,i_img_dim y,i_color *val);
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extern int (i_ppixf)(i_img *im,i_img_dim x,i_img_dim y, const i_fcolor *val);
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extern int (i_gpixf)(i_img *im,i_img_dim x,i_img_dim y,i_fcolor *val);
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extern i_img_dim (i_plin)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y,
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const i_color *vals);
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extern i_img_dim (i_glin)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y,
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i_color *vals);
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extern i_img_dim (i_plinf)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y,
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const i_fcolor *vals);
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extern i_img_dim (i_glinf)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y,
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i_fcolor *vals);
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extern i_img_dim (i_gsamp)(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y,
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i_sample_t *samp, const int *chans, int chan_count);
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extern i_img_dim
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(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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const int *chans, int chan_count);
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extern i_img_dim
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(i_gpal)(i_img *im, i_img_dim x, i_img_dim r, i_img_dim y, i_palidx *vals);
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extern i_img_dim
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(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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extern int (i_addcolors)(i_img *im, const i_color *colors, int count);
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extern int (i_getcolors)(i_img *im, int i, i_color *, int count);
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extern int (i_colorcount)(i_img *im);
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extern int (i_maxcolors)(i_img *im);
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extern int (i_findcolor)(i_img *im, const i_color *color, i_palidx *entry);
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extern int (i_setcolors)(i_img *im, int index, const i_color *colors,
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int count);
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extern i_fill_t *i_new_fill_solidf(const i_fcolor *c, int combine);
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extern i_fill_t *i_new_fill_solid(const i_color *c, int combine);
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extern i_fill_t *
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i_new_fill_hatch(const i_color *fg, const i_color *bg, int combine, int hatch,
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const unsigned char *cust_hatch, i_img_dim dx, i_img_dim dy);
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extern i_fill_t *
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i_new_fill_hatchf(const i_fcolor *fg, const i_fcolor *bg, int combine, int hatch,
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const unsigned char *cust_hatch, i_img_dim dx, i_img_dim dy);
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extern i_fill_t *
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i_new_fill_image(i_img *im, const double *matrix, i_img_dim xoff, i_img_dim yoff, int combine);
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extern i_fill_t *i_new_fill_opacity(i_fill_t *, double alpha_mult);
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extern void i_fill_destroy(i_fill_t *fill);
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float i_gpix_pch(i_img *im,i_img_dim x,i_img_dim y,int ch);
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/* functions for drawing primitives */
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void 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);
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void 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);
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int 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);
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void 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);
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void 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);
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void 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);
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void 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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int 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);
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int 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);
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void i_arc_aa (i_img *im, double x, double y, double rad, double d1, double d2, const i_color *val);
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void i_arc_cfill(i_img *im,i_img_dim x,i_img_dim y,double rad,double d1,double d2,i_fill_t *fill);
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void 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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void i_circle_aa (i_img *im,double x, double y,double rad,const i_color *val);
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void i_circle_aa_fill(i_img *im,double x, double y,double rad,i_fill_t *fill);
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int i_circle_out (i_img *im,i_img_dim x, i_img_dim y, i_img_dim rad,const i_color *val);
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int 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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void 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);
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void 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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i_img* i_copy (i_img *src);
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int 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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extern int
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i_compose_mask(i_img *out, i_img *src, i_img *mask,
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i_img_dim out_left, i_img_dim out_top, i_img_dim src_left, i_img_dim src_top,
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i_img_dim mask_left, i_img_dim mask_top, i_img_dim width, i_img_dim height,
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int combine, double opacity);
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extern int
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i_compose(i_img *out, i_img *src,
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i_img_dim out_left, i_img_dim out_top, i_img_dim src_left, i_img_dim src_top,
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i_img_dim width, i_img_dim height, int combine, double opacity);
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extern i_img *
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i_combine(i_img **src, const int *channels, int in_count);
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undef_int i_flipxy (i_img *im, int direction);
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extern i_img *i_rotate90(i_img *im, int degrees);
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extern i_img *i_rotate_exact(i_img *im, double amount);
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extern i_img *i_rotate_exact_bg(i_img *im, double amount, const i_color *backp, const i_fcolor *fbackp);
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extern i_img *i_matrix_transform(i_img *im, i_img_dim xsize, i_img_dim ysize, const double *matrix);
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extern 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);
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void i_bezier_multi(i_img *im,int l,const double *x,const double *y,const i_color *val);
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int i_poly_aa (i_img *im,int l,const double *x,const double *y,const i_color *val);
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int i_poly_aa_cfill(i_img *im,int l,const double *x,const double *y,i_fill_t *fill);
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int i_poly_aa_m (i_img *im,int l,const double *x,const double *y, i_poly_fill_mode_t mode, const i_color *val);
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int i_poly_aa_cfill_m(i_img *im,int l,const double *x,const double *y, i_poly_fill_mode_t mode, i_fill_t *fill);
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extern int
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i_poly_poly_aa(i_img *im, int count, const i_polygon_t *polys,
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i_poly_fill_mode_t mode, const i_color *val);
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extern int
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i_poly_poly_aa_cfill(i_img *im, int count, const i_polygon_t *polys,
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i_poly_fill_mode_t mode, i_fill_t *fill);
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undef_int i_flood_fill (i_img *im,i_img_dim seedx,i_img_dim seedy, const i_color *dcol);
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undef_int i_flood_cfill(i_img *im, i_img_dim seedx, i_img_dim seedy, i_fill_t *fill);
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undef_int i_flood_fill_border (i_img *im,i_img_dim seedx,i_img_dim seedy, const i_color *dcol, const i_color *border);
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undef_int 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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/* image processing functions */
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int i_gaussian (i_img *im, double stddev);
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int i_gaussian2 (i_img *im, double stddevX, double stddevY);
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int i_conv (i_img *im,const double *coeff,int len);
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void i_unsharp_mask(i_img *im, double stddev, double scale);
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/* colour manipulation */
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extern i_img *i_convert(i_img *src, const double *coeff, int outchan, int inchan);
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extern void i_map(i_img *im, unsigned char (*maps)[256], unsigned int mask);
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float i_img_diff (i_img *im1,i_img *im2);
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double i_img_diffd(i_img *im1,i_img *im2);
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int i_img_samef(i_img *im1,i_img *im2, double epsilon, const char *what);
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/* font routines */
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#ifdef HAVE_LIBTT
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extern void i_tt_start(void);
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TT_Fonthandle* i_tt_new(const char *fontname);
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void i_tt_destroy( TT_Fonthandle *handle );
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undef_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);
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undef_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);
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undef_int i_tt_bbox( TT_Fonthandle *handle, double points,const char *txt,size_t len,i_img_dim cords[6], int utf8);
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size_t i_tt_has_chars(TT_Fonthandle *handle, char const *text, size_t len, int utf8, char *out);
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void i_tt_dump_names(TT_Fonthandle *handle);
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size_t i_tt_face_name(TT_Fonthandle *handle, char *name_buf,
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size_t name_buf_size);
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size_t i_tt_glyph_name(TT_Fonthandle *handle, unsigned long ch, char *name_buf,
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size_t name_buf_size);
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#endif /* End of freetype headers */
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extern void i_quant_makemap(i_quantize *quant, i_img **imgs, int count);
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extern i_palidx *i_quant_translate(i_quantize *quant, i_img *img);
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extern void i_quant_transparent(i_quantize *quant, i_palidx *indices, i_img *img, i_palidx trans_index);
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i_img *im_img_pal_new(pIMCTX, i_img_dim x, i_img_dim y, int ch, int maxpal);
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extern i_img *i_img_to_pal(i_img *src, i_quantize *quant);
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extern i_img *i_img_to_rgb(i_img *src);
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extern i_img *i_img_masked_new(i_img *targ, i_img *mask, i_img_dim x, i_img_dim y,
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i_img_dim w, i_img_dim h);
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extern i_img *im_img_16_new(pIMCTX, i_img_dim x, i_img_dim y, int ch);
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extern i_img *i_img_to_rgb16(i_img *im);
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extern i_img *im_img_double_new(pIMCTX, i_img_dim x, i_img_dim y, int ch);
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extern i_img *i_img_to_drgb(i_img *im);
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extern int i_img_is_monochrome(i_img *im, int *zero_is_white);
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extern int i_get_file_background(i_img *im, i_color *bg);
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extern int i_get_file_backgroundf(i_img *im, i_fcolor *bg);
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const char * im_test_format_probe(im_context_t ctx, io_glue *data, int length);
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#define i_test_format_probe(io, length) im_test_format_probe(aIMCTX, (io), (length))
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/* file type magic to extend file detection */
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extern int im_add_file_magic(im_context_t ctx, const char *name,
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const unsigned char *bits, const unsigned char *mask,
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size_t length);
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#define i_add_file_magic(name, bits, mask, length) \
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im_add_file_magic(aIMCTX, (name), (bits), (mask), (length))
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i_img * i_readraw_wiol(io_glue *ig, i_img_dim x, i_img_dim y, int datachannels, int storechannels, int intrl);
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undef_int i_writeraw_wiol(i_img* im, io_glue *ig);
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i_img * i_readpnm_wiol(io_glue *ig, int allow_incomplete);
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i_img ** i_readpnm_multi_wiol(io_glue *ig, int *count, int allow_incomplete);
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undef_int i_writeppm_wiol(i_img *im, io_glue *ig);
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extern int i_writebmp_wiol(i_img *im, io_glue *ig);
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extern i_img *i_readbmp_wiol(io_glue *ig, int allow_incomplete);
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int tga_header_verify(unsigned char headbuf[18]);
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i_img * i_readtga_wiol(io_glue *ig, int length);
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undef_int i_writetga_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
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i_img * i_readrgb_wiol(io_glue *ig, int length);
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undef_int i_writergb_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
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i_img * i_scaleaxis(i_img *im, double Value, int Axis);
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i_img * i_scale_nn(i_img *im, double scx, double scy);
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i_img * i_scale_mixing(i_img *src, i_img_dim width, i_img_dim height);
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i_img * i_haar(i_img *im);
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int i_count_colors(i_img *im,int maxc);
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int i_get_anonymous_color_histo(i_img *im, unsigned int **col_usage, int maxc);
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i_img * i_transform(i_img *im, int *opx, int opxl, int *opy,int opyl,double parm[],int parmlen);
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struct rm_op;
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i_img * i_transform2(i_img_dim width, i_img_dim height, int channels,
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struct rm_op *ops, int ops_count,
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double *n_regs, int n_regs_count,
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i_color *c_regs, int c_regs_count,
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i_img **in_imgs, int in_imgs_count);
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/* filters */
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void i_contrast(i_img *im, float intensity);
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void i_hardinvert(i_img *im);
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void i_hardinvertall(i_img *im);
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void i_noise(i_img *im, float amount, unsigned char type);
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void i_bumpmap(i_img *im,i_img *bump,int channel,i_img_dim light_x,i_img_dim light_y,i_img_dim strength);
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void i_bumpmap_complex(i_img *im, i_img *bump, int channel, i_img_dim tx, i_img_dim ty, double Lx, double Ly,
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double Lz, float cd, float cs, float n, i_color *Ia, i_color *Il, i_color *Is);
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void i_postlevels(i_img *im,int levels);
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void i_mosaic(i_img *im,i_img_dim size);
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void i_watermark(i_img *im,i_img *wmark,i_img_dim tx,i_img_dim ty,int pixdiff);
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void i_autolevels(i_img *im,float lsat,float usat,float skew);
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void i_autolevels_mono(i_img *im,float lsat,float usat);
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void i_radnoise(i_img *im,i_img_dim xo,i_img_dim yo,double rscale,double ascale);
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void i_turbnoise(i_img *im,double xo,double yo,double scale);
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void i_gradgen(i_img *im, int num, i_img_dim *xo, i_img_dim *yo, i_color *ival, int dmeasure);
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int i_nearest_color(i_img *im, int num, i_img_dim *xo, i_img_dim *yo, i_color *ival, int dmeasure);
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i_img *i_diff_image(i_img *im, i_img *im2, double mindist);
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int
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i_fountain(i_img *im, double xa, double ya, double xb, double yb,
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i_fountain_type type, i_fountain_repeat repeat,
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int combine, int super_sample, double ssample_param,
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int count, i_fountain_seg *segs);
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extern i_fill_t *
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i_new_fill_fount(double xa, double ya, double xb, double yb,
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i_fountain_type type, i_fountain_repeat repeat,
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int combine, int super_sample, double ssample_param,
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int count, i_fountain_seg *segs);
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/* Debug only functions */
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void malloc_state( void );
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#include "imerror.h"
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/* image tag processing */
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extern void i_tags_new(i_img_tags *tags);
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extern int i_tags_addn(i_img_tags *tags, char const *name, int code,
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int idata);
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extern int i_tags_add(i_img_tags *tags, char const *name, int code,
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char const *data, int size, int idata);
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extern int i_tags_set(i_img_tags *tags, char const *name,
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char const *data, int size);
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extern int i_tags_setn(i_img_tags *tags, char const *name, int idata);
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|
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extern void i_tags_destroy(i_img_tags *tags);
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extern int i_tags_find(i_img_tags *tags, char const *name, int start,
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int *entry);
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extern int i_tags_findn(i_img_tags *tags, int code, int start, int *entry);
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extern int i_tags_delete(i_img_tags *tags, int entry);
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extern int i_tags_delbyname(i_img_tags *tags, char const *name);
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extern int i_tags_delbycode(i_img_tags *tags, int code);
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extern int i_tags_get_float(i_img_tags *tags, char const *name, int code,
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double *value);
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extern int i_tags_set_float(i_img_tags *tags, char const *name, int code,
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|
double value);
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|
extern int i_tags_set_float2(i_img_tags *tags, char const *name, int code,
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|
double value, int places);
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|
extern int i_tags_get_int(i_img_tags *tags, char const *name, int code,
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|
int *value);
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|
extern int i_tags_get_string(i_img_tags *tags, char const *name, int code,
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|
char *value, size_t value_size);
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|
extern int i_tags_get_color(i_img_tags *tags, char const *name, int code,
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|
i_color *value);
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|
extern int i_tags_set_color(i_img_tags *tags, char const *name, int code,
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|
i_color const *value);
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|
extern void i_tags_print(i_img_tags *tags);
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|
|
|
/* image file limits */
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|
extern int
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|
im_set_image_file_limits(im_context_t ctx, i_img_dim width, i_img_dim height, size_t bytes);
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|
extern int
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|
im_get_image_file_limits(im_context_t ctx, i_img_dim *width, i_img_dim *height, size_t *bytes);
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|
extern int
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|
im_int_check_image_file_limits(im_context_t ctx, i_img_dim width, i_img_dim height, int channels, size_t sample_size);
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|
|
|
/* memory allocation */
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|
void* mymalloc(size_t size);
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|
void myfree(void *p);
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|
void* myrealloc(void *p, size_t newsize);
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|
void* mymalloc_file_line (size_t size, char* file, int line);
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|
void myfree_file_line (void *p, char*file, int line);
|
|
void* myrealloc_file_line(void *p, size_t newsize, char* file,int line);
|
|
|
|
#ifdef IMAGER_DEBUG_MALLOC
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|
|
|
#define mymalloc(x) (mymalloc_file_line((x), __FILE__, __LINE__))
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|
#define myrealloc(x,y) (myrealloc_file_line((x),(y), __FILE__, __LINE__))
|
|
#define myfree(x) (myfree_file_line((x), __FILE__, __LINE__))
|
|
|
|
void malloc_state (void);
|
|
void bndcheck_all (void);
|
|
|
|
#else
|
|
|
|
void malloc_state(void);
|
|
|
|
#endif /* IMAGER_MALLOC_DEBUG */
|
|
|
|
#include "imrender.h"
|
|
|
|
extern void
|
|
i_adapt_colors(int dest_channels, int src_channels, i_color *colors,
|
|
size_t count);
|
|
extern void
|
|
i_adapt_fcolors(int dest_channels, int src_channels, i_fcolor *colors,
|
|
size_t count);
|
|
|
|
extern void
|
|
i_adapt_colors_bg(int dest_channels, int src_channels, i_color *colors,
|
|
size_t count, i_color const *bg);
|
|
extern void
|
|
i_adapt_fcolors_bg(int dest_channels, int src_channels, i_fcolor *colors,
|
|
size_t count, i_fcolor const *bg);
|
|
|
|
extern int
|
|
i_gsamp_bg(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_sample_t *samples,
|
|
int out_channels, i_color const *bg);
|
|
|
|
extern int
|
|
i_gsampf_bg(i_img *im, i_img_dim l, i_img_dim r, i_img_dim y, i_fsample_t *samples,
|
|
int out_channels, i_fcolor const *bg);
|
|
|
|
/* context object management */
|
|
extern im_context_t im_context_new(void);
|
|
extern void im_context_refinc(im_context_t ctx, const char *where);
|
|
extern void im_context_refdec(im_context_t ctx, const char *where);
|
|
extern im_context_t im_context_clone(im_context_t ctx, const char *where);
|
|
extern im_slot_t im_context_slot_new(im_slot_destroy_t);
|
|
extern void *im_context_slot_get(im_context_t ctx, im_slot_t slot);
|
|
extern int im_context_slot_set(im_context_t ctx, im_slot_t slot, void *);
|
|
|
|
extern im_context_t (*im_get_context)(void);
|
|
|
|
/* mutex API */
|
|
extern i_mutex_t i_mutex_new(void);
|
|
extern void i_mutex_destroy(i_mutex_t m);
|
|
extern void i_mutex_lock(i_mutex_t m);
|
|
extern void i_mutex_unlock(i_mutex_t m);
|
|
|
|
#include "imio.h"
|
|
|
|
#endif
|