#ifndef _IMAGE_H_
#define _IMAGE_H_
-#include "io.h"
+#include "imconfig.h"
+#include "imio.h"
#include "iolayer.h"
#include "log.h"
#include "stackmach.h"
void ICL_DESTROY (i_color *cl);
void ICL_add (i_color *dst, i_color *src, int ch);
+extern i_fcolor *i_fcolor_new(double r, double g, double b, double a);
+extern void i_fcolor_destroy(i_fcolor *cl);
+
+extern void i_rgb_to_hsvf(i_fcolor *color);
+extern void i_hsv_to_rgbf(i_fcolor *color);
+extern void i_rgb_to_hsv(i_color *color);
+extern void i_hsv_to_rgb(i_color *color);
+
i_img *IIM_new(int x,int y,int ch);
void IIM_DESTROY(i_img *im);
i_img *i_img_new( void );
void i_img_info(i_img *im,int *info);
+extern i_img *i_sametype(i_img *im, int xsize, int ysize);
+extern i_img *i_sametype_chans(i_img *im, int xsize, int ysize, int channels);
+
+i_img *i_img_pal_new(int x, int y, int ch, int maxpal);
+
/* Image feature settings */
void i_img_setmask (i_img *im,int ch_mask);
/* Base functions */
+#if 0
int i_ppix(i_img *im,int x,int y,i_color *val);
int i_gpix(i_img *im,int x,int y,i_color *val);
+int i_ppixf(i_img *im,int x,int y,i_color *val);
+int i_gpixf(i_img *im,int x,int y,i_color *val);
+#endif
+
+#define i_ppix(im, x, y, val) (((im)->i_f_ppix)((im), (x), (y), (val)))
+#define i_gpix(im, x, y, val) (((im)->i_f_gpix)((im), (x), (y), (val)))
+#define i_ppixf(im, x, y, val) (((im)->i_f_ppixf)((im), (x), (y), (val)))
+#define i_gpixf(im, x, y, val) (((im)->i_f_gpixf)((im), (x), (y), (val)))
+#if 0
int i_ppix_d(i_img *im,int x,int y,i_color *val);
int i_gpix_d(i_img *im,int x,int y,i_color *val);
int i_plin_d(i_img *im,int l, int r, int y, i_color *val);
int i_glin_d(i_img *im,int l, int r, int y, i_color *val);
+#endif
#define i_plin(im, l, r, y, val) (((im)->i_f_plin)(im, l, r, y, val))
#define i_glin(im, l, r, y, val) (((im)->i_f_glin)(im, l, r, y, val))
+#define i_plinf(im, l, r, y, val) (((im)->i_f_plinf)(im, l, r, y, val))
+#define i_glinf(im, l, r, y, val) (((im)->i_f_glinf)(im, l, r, y, val))
+
+#define i_gsamp(im, l, r, y, samps, chans, count) \
+ (((im)->i_f_gsamp)((im), (l), (r), (y), (samps), (chans), (count)))
+#define i_gsampf(im, l, r, y, samps, chans, count) \
+ (((im)->i_f_gsampf)((im), (l), (r), (y), (samps), (chans), (count)))
+
+#define i_psamp(im, l, r, y, samps, chans, count) \
+ (((im)->i_f_gsamp)((im), (l), (r), (y), (samps), (chans), (count)))
+#define i_psampf(im, l, r, y, samps, chans, count) \
+ (((im)->i_f_gsampf)((im), (l), (r), (y), (samps), (chans), (count)))
+
+
+
+
+#define i_findcolor(im, color, entry) \
+ (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
+
+#define i_gpal(im, l, r, y, vals) \
+ (((im)->i_f_gpal) ? ((im)->i_f_gpal)((im), (l), (r), (y), (vals)) : 0)
+#define i_ppal(im, l, r, y, vals) \
+ (((im)->i_f_ppal) ? ((im)->i_f_ppal)((im), (l), (r), (y), (vals)) : 0)
+#define i_addcolors(im, colors, count) \
+ (((im)->i_f_addcolors) ? ((im)->i_f_addcolors)((im), (colors), (count)) : -1)
+#define i_getcolors(im, index, color, count) \
+ (((im)->i_f_getcolors) ? \
+ ((im)->i_f_getcolors)((im), (index), (color), (count)) : 0)
+#define i_setcolors(im, index, color, count) \
+ (((im)->i_f_setcolors) ? \
+ ((im)->i_f_setcolors)((im), (index), (color), (count)) : 0)
+#define i_colorcount(im) \
+ (((im)->i_f_colorcount) ? ((im)->i_f_colorcount)(im) : -1)
+#define i_maxcolors(im) \
+ (((im)->i_f_maxcolors) ? ((im)->i_f_maxcolors)(im) : -1)
+#define i_findcolor(im, color, entry) \
+ (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
+
+#define i_img_virtual(im) ((im)->virtual)
+#define i_img_type(im) ((im)->type)
+#define i_img_bits(im) ((im)->bits)
+
+/* Generic fills */
+struct i_fill_tag;
+
+typedef void (*i_fill_with_color_f)
+ (struct i_fill_tag *fill, int x, int y, int width, int channels,
+ i_color *data);
+typedef void (*i_fill_with_fcolor_f)
+ (struct i_fill_tag *fill, int x, int y, int width, int channels,
+ i_fcolor *data);
+typedef void (*i_fill_destroy_f)(struct i_fill_tag *fill);
+typedef void (*i_fill_combine_f)(i_color *out, i_color *in, int channels,
+ int count);
+typedef void (*i_fill_combinef_f)(i_fcolor *out, i_fcolor *in, int channels,
+ int count);
+
+
+typedef struct i_fill_tag
+{
+ /* called for 8-bit/sample image (and maybe lower) */
+ /* this may be NULL, if so call fill_with_fcolor */
+ i_fill_with_color_f fill_with_color;
+
+ /* called for other sample sizes */
+ /* this must be non-NULL */
+ i_fill_with_fcolor_f fill_with_fcolor;
+
+ /* called if non-NULL to release any extra resources */
+ i_fill_destroy_f destroy;
+
+ /* if non-zero the caller will fill data with the original data
+ from the image */
+ i_fill_combine_f combine;
+ i_fill_combinef_f combinef;
+} i_fill_t;
+
+typedef enum {
+ ic_none,
+ ic_normal,
+ ic_multiply,
+ ic_dissolve,
+ ic_add,
+ ic_subtract,
+ ic_diff,
+ ic_lighten,
+ ic_darken,
+ ic_hue,
+ ic_sat,
+ ic_value,
+ ic_color
+} i_combine_t;
+
+extern i_fill_t *i_new_fill_solidf(i_fcolor *c, int combine);
+extern i_fill_t *i_new_fill_solid(i_color *c, int combine);
+extern i_fill_t *
+i_new_fill_hatch(i_color *fg, i_color *bg, int combine, int hatch,
+ unsigned char *cust_hatch, int dx, int dy);
+extern i_fill_t *
+i_new_fill_hatchf(i_fcolor *fg, i_fcolor *bg, int combine, int hatch,
+ unsigned char *cust_hatch, int dx, int dy);
+extern i_fill_t *
+i_new_fill_image(i_img *im, double *matrix, int xoff, int yoff, int combine);
+extern void i_fill_destroy(i_fill_t *fill);
float i_gpix_pch(i_img *im,int x,int y,int ch);
void i_box (i_img *im,int x1,int y1,int x2,int y2,i_color *val);
void i_box_filled (i_img *im,int x1,int y1,int x2,int y2,i_color *val);
-void i_draw (i_img *im,int x1,int y1,int x2,int y2,i_color *val);
-void i_line_aa (i_img *im,int x1,int y1,int x2,int y2,i_color *val);
+void i_box_cfill(i_img *im, int x1, int y1, int x2, int y2, i_fill_t *fill);
+void i_line (i_img *im,int x1,int y1,int x2,int y2,i_color *val, int endp);
+void i_line_aa (i_img *im,int x1,int y1,int x2,int y2,i_color *val, int endp);
void i_arc (i_img *im,int x,int y,float rad,float d1,float d2,i_color *val);
+void i_arc_cfill(i_img *im,int x,int y,float rad,float d1,float d2,i_fill_t *fill);
void i_circle_aa (i_img *im,float x, float y,float rad,i_color *val);
void i_copyto (i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty);
void i_copyto_trans(i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty,i_color *trans);
void i_copy (i_img *im,i_img *src);
-void i_rubthru (i_img *im,i_img *src,int tx,int ty);
-
-undef_int i_flipxy (i_img *im, int direction);
+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);
+undef_int i_flipxy (i_img *im, int direction);
+extern i_img *i_rotate90(i_img *im, int degrees);
+extern i_img *i_rotate_exact(i_img *im, double amount);
+extern i_img *i_rotate_exact_bg(i_img *im, double amount, i_color *backp, i_fcolor *fbackp);
+extern i_img *i_matrix_transform(i_img *im, int xsize, int ysize, double *matrix);
+extern i_img *i_matrix_transform_bg(i_img *im, int xsize, int ysize, double *matrix, i_color *backp, i_fcolor *fbackp);
void i_bezier_multi(i_img *im,int l,double *x,double *y,i_color *val);
void i_poly_aa (i_img *im,int l,double *x,double *y,i_color *val);
+void i_poly_aa_cfill(i_img *im,int l,double *x,double *y,i_fill_t *fill);
+
+undef_int i_flood_fill (i_img *im,int seedx,int seedy,i_color *dcol);
+undef_int i_flood_cfill(i_img *im, int seedx, int seedy, i_fill_t *fill);
-void i_flood_fill (i_img *im,int seedx,int seedy,i_color *dcol);
/* image processing functions */
void i_gaussian (i_img *im,float stdev);
void i_conv (i_img *im,float *coeff,int len);
+void i_unsharp_mask(i_img *im, double stddev, double scale);
/* colour manipulation */
extern int i_convert(i_img *im, i_img *src, float *coeff, int outchan, int inchan);
+extern void i_map(i_img *im, unsigned char (*maps)[256], unsigned int mask);
float i_img_diff (i_img *im1,i_img *im2);
/* font routines */
-undef_int i_init_fonts( void );
+undef_int i_init_fonts( int t1log );
+
+/*
+ describes an axis of a MM font.
+ Modelled on FT2's FT_MM_Axis.
+ It would be nice to have a default entry too, but FT2
+ doesn't support it.
+*/
+typedef struct i_font_mm_axis_tag {
+ char const *name;
+ int minimum;
+ int maximum;
+} i_font_mm_axis;
+
+#define IM_FONT_MM_MAX_AXES 4
+
+/*
+ multiple master information for a font, if any
+ modelled on FT2's FT_Multi_Master.
+*/
+typedef struct i_font_mm_tag {
+ int num_axis;
+ int num_designs; /* provided but not necessarily useful */
+ i_font_mm_axis axis[IM_FONT_MM_MAX_AXES];
+} i_font_mm;
#ifdef HAVE_LIBT1
-#include <t1lib.h>
-undef_int init_t1( void );
+undef_int i_init_t1( int t1log );
int i_t1_new( char *pfb, char *afm );
int i_t1_destroy( int font_id );
-undef_int i_t1_cp( i_img *im, int xb, int yb, int channel, int fontnum, float points, char* str, int len, int align );
-undef_int i_t1_text( i_img *im, int xb, int yb, i_color *cl, int fontnum, float points, char* str, int len, int align );
-void i_t1_bbox( int fontnum, float point, char *str, int len, int cords[6] );
+undef_int i_t1_cp( i_img *im, int xb, int yb, int channel, int fontnum, float points, char* str, int len, int align, int utf8, char const *flags );
+undef_int i_t1_text( i_img *im, int xb, int yb, i_color *cl, int fontnum, float points, char* str, int len, int align, int utf8, char const *flags );
+int i_t1_bbox( int fontnum, float point, char *str, int len, int cords[6], int utf8, char const *flags );
void i_t1_set_aa( int st );
void close_t1( void );
-
+int i_t1_has_chars(int font_num, char const *text, int len, int utf8, char *out);
+extern int i_t1_face_name(int font_num, char *name_buf, size_t name_buf_size);
+extern int i_t1_glyph_name(int font_num, unsigned long ch, char *name_buf,
+ size_t name_buf_size);
#endif
#ifdef HAVE_LIBTT
-#include <freetype.h>
-#define TT_CHC 5
-
-struct TT_Instancehandle_ {
- TT_Instance instance;
- TT_Instance_Metrics imetrics;
- TT_Glyph_Metrics gmetrics[256];
- TT_Glyph glyphs[256];
- int smooth;
- int ptsize;
- int order;
-};
-
-typedef struct TT_Instancehandle_ TT_Instancehandle;
-
-struct TT_Fonthandle_ {
- TT_Face face;
- TT_Face_Properties properties;
- TT_Instancehandle instanceh[TT_CHC];
- TT_CharMap char_map;
-};
+struct TT_Fonthandle_;
typedef struct TT_Fonthandle_ TT_Fonthandle;
-
-
-undef_int init_tt( void );
+undef_int i_init_tt( void );
TT_Fonthandle* i_tt_new(char *fontname);
void i_tt_destroy( TT_Fonthandle *handle );
-undef_int i_tt_cp( TT_Fonthandle *handle,i_img *im,int xb,int yb,int channel,float points,char* txt,int len,int smooth);
-undef_int i_tt_text( TT_Fonthandle *handle, i_img *im, int xb, int yb, i_color *cl, float points, char* txt, int len, int smooth);
-undef_int i_tt_bbox( TT_Fonthandle *handle, float points,char *txt,int len,int cords[6]);
-
+undef_int i_tt_cp( TT_Fonthandle *handle,i_img *im,int xb,int yb,int channel,float points,char const* txt,int len,int smooth, int utf8, int align);
+undef_int i_tt_text( TT_Fonthandle *handle, i_img *im, int xb, int yb, i_color *cl, float points, char const* txt, int len, int smooth, int utf8, int align);
+undef_int i_tt_bbox( TT_Fonthandle *handle, float points,char *txt,int len,int cords[6], int utf8);
+int i_tt_has_chars(TT_Fonthandle *handle, char const *text, int len, int utf8, char *out);
+void i_tt_dump_names(TT_Fonthandle *handle);
+int i_tt_face_name(TT_Fonthandle *handle, char *name_buf,
+ size_t name_buf_size);
+int i_tt_glyph_name(TT_Fonthandle *handle, unsigned long ch, char *name_buf,
+ size_t name_buf_size);
#endif /* End of freetype headers */
+#ifdef HAVE_FT2
+
+typedef struct FT2_Fonthandle FT2_Fonthandle;
+extern int i_ft2_init(void);
+extern FT2_Fonthandle * i_ft2_new(char *name, int index);
+extern void i_ft2_destroy(FT2_Fonthandle *handle);
+extern int i_ft2_setdpi(FT2_Fonthandle *handle, int xdpi, int ydpi);
+extern int i_ft2_getdpi(FT2_Fonthandle *handle, int *xdpi, int *ydpi);
+extern int i_ft2_settransform(FT2_Fonthandle *handle, double *matrix);
+extern int i_ft2_sethinting(FT2_Fonthandle *handle, int hinting);
+extern int i_ft2_bbox(FT2_Fonthandle *handle, double cheight, double cwidth,
+ char const *text, int len, int *bbox, int utf8);
+extern int i_ft2_bbox_r(FT2_Fonthandle *handle, double cheight, double cwidth,
+ char const *text, int len, int vlayout, int utf8, int *bbox);
+extern int i_ft2_text(FT2_Fonthandle *handle, i_img *im, int tx, int ty,
+ i_color *cl, double cheight, double cwidth,
+ char const *text, int len, int align, int aa,
+ int vlayout, int utf8);
+extern int i_ft2_cp(FT2_Fonthandle *handle, i_img *im, int tx, int ty,
+ int channel, double cheight, double cwidth,
+ char const *text, int len, int align, int aa, int vlayout,
+ int utf8);
+extern int i_ft2_has_chars(FT2_Fonthandle *handle, char const *text, int len,
+ int utf8, char *work);
+extern int i_ft2_face_name(FT2_Fonthandle *handle, char *name_buf,
+ size_t name_buf_size);
+extern int i_ft2_can_face_name(void);
+extern int i_ft2_glyph_name(FT2_Fonthandle *handle, unsigned long ch,
+ char *name_buf, size_t name_buf_size,
+ int reliable_only);
+extern int i_ft2_can_do_glyph_names(void);
+extern int i_ft2_face_has_glyph_names(FT2_Fonthandle *handle);
+
+extern int i_ft2_get_multiple_masters(FT2_Fonthandle *handle,
+ i_font_mm *mm);
+extern int
+i_ft2_is_multiple_master(FT2_Fonthandle *handle);
+extern int
+i_ft2_set_mm_coords(FT2_Fonthandle *handle, int coord_count, long *coords);
+#endif
+#ifdef WIN32
+extern int i_wf_bbox(char *face, int size, char *text, int length, int *bbox);
+extern int i_wf_text(char *face, i_img *im, int tx, int ty, i_color *cl,
+ int size, char *text, int len, int align, int aa);
+extern int i_wf_cp(char *face, i_img *im, int tx, int ty, int channel,
+ int size, char *text, int len, int align, int aa);
+extern int i_wf_addfont(char const *file);
-
-
+#endif
/* functions for reading and writing formats */
extern int i_gen_reader(i_gen_read_data *info, char *buffer, int need);
extern i_gen_read_data *i_gen_read_data_new(i_read_callback_t cb, char *userdata);
-extern void free_gen_read_data(i_gen_read_data *);
+extern void i_free_gen_read_data(i_gen_read_data *);
/* general writer callback
userdata - the data the user passed into the writer
extern int i_gen_writer(i_gen_write_data *info, char const *data, int size);
extern i_gen_write_data *i_gen_write_data_new(i_write_callback_t cb, char *userdata, int maxlength);
-extern int free_gen_write_data(i_gen_write_data *, int flush);
+extern int i_free_gen_write_data(i_gen_write_data *, int flush);
/* transparency handling for quantized output */
typedef enum i_transp_tag {
mc_none, /* user supplied colour map only */
mc_web_map, /* Use the 216 colour web colour map */
mc_addi, /* Addi's algorithm */
+ mc_median_cut, /* median cut - similar to giflib, hopefully */
mc_mask = 0xFF /* (mask for generator) */
} i_make_colors;
/* Netscape loop extension - number of loops */
int loop_count;
+
+ /* should be eliminate unused colors? */
+ int eliminate_unused;
} i_gif_opts;
extern void quant_makemap(i_quantize *quant, i_img **imgs, int count);
extern i_palidx *quant_translate(i_quantize *quant, i_img *img);
extern void quant_transparent(i_quantize *quant, i_palidx *indices, i_img *img, i_palidx trans_index);
+extern i_img *i_img_pal_new(int x, int y, int channels, int maxpal);
+extern i_img *i_img_pal_new_low(i_img *im, int x, int y, int channels, int maxpal);
+extern i_img *i_img_to_pal(i_img *src, i_quantize *quant);
+extern i_img *i_img_to_rgb(i_img *src);
+extern i_img *i_img_masked_new(i_img *targ, i_img *mask, int x, int y,
+ int w, int h);
+extern i_img *i_img_16_new(int x, int y, int ch);
+extern i_img *i_img_16_new_low(i_img *im, int x, int y, int ch);
+extern i_img *i_img_double_new(int x, int y, int ch);
+extern i_img *i_img_double_new_low(i_img *im, int x, int y, int ch);
+
+
+char * i_test_format_probe(io_glue *data, int length);
+
+
#ifdef HAVE_LIBJPEG
-i_img* i_readjpeg(int fd,char** iptc_itext,int *tlength);
-i_img* i_readjpeg_scalar(char *data, int length,char** iptc_itext,int *itlength);
-i_img* i_readjpeg_wiol(io_glue *ig, int length, char** iptc_itext, int *itlength);
-i_img* i_readjpeg_extra2(int fd,char** iptc_itext);
-undef_int i_writejpeg(i_img *im,int fd,int qfactor);
+i_img *
+i_readjpeg_wiol(io_glue *ig, int length, char** iptc_itext, int *itlength);
+undef_int i_writejpeg_wiol(i_img *im, io_glue *ig, int qfactor);
#endif /* HAVE_LIBJPEG */
#ifdef HAVE_LIBTIFF
-i_img* i_readtiff_wiol(io_glue *ig, int length);
+i_img * i_readtiff_wiol(io_glue *ig, int length, int page);
+i_img ** i_readtiff_multi_wiol(io_glue *ig, int length, int *count);
undef_int i_writetiff_wiol(i_img *im, io_glue *ig);
+undef_int i_writetiff_multi_wiol(io_glue *ig, i_img **imgs, int count);
undef_int i_writetiff_wiol_faxable(i_img *im, io_glue *ig, int fine);
+undef_int i_writetiff_multi_wiol_faxable(io_glue *ig, i_img **imgs, int count, int fine);
#endif /* HAVE_LIBTIFF */
#ifdef HAVE_LIBPNG
-i_img *i_readpng_wiol(io_glue *ig, int length);
-undef_int i_writepng(i_img *im,int fd);
+i_img *i_readpng_wiol(io_glue *ig, int length);
+undef_int i_writepng_wiol(i_img *im, io_glue *ig);
#endif /* HAVE_LIBPNG */
#ifdef HAVE_LIBGIF
i_img *i_readgif(int fd, int **colour_table, int *colours);
+i_img *i_readgif_wiol(io_glue *ig, int **colour_table, int *colours);
i_img *i_readgif_scalar(char *data, int length, int **colour_table, int *colours);
i_img *i_readgif_callback(i_read_callback_t callback, char *userdata, int **colour_table, int *colours);
+extern i_img **i_readgif_multi(int fd, int *count);
+extern i_img **i_readgif_multi_scalar(char *data, int length, int *count);
+extern i_img **i_readgif_multi_callback(i_read_callback_t callback, char *userdata, int *count);
+extern i_img **i_readgif_multi_wiol(io_glue *ig, int *count);
undef_int i_writegif(i_img *im,int fd,int colors,int pixdev,int fixedlen,i_color fixed[]);
undef_int i_writegifmc(i_img *im,int fd,int colors);
undef_int i_writegifex(i_img *im,int fd);
-undef_int i_writegif_gen(i_quantize *quant, int fd, i_img **imgs, int count, i_gif_opts *opts);
-undef_int i_writegif_callback(i_quantize *quant, i_write_callback_t cb, char *userdata, int maxbuffer, i_img **imgs, int count, i_gif_opts *opts);
-
+undef_int i_writegif_gen(i_quantize *quant, int fd, i_img **imgs, int count);
+undef_int i_writegif_callback(i_quantize *quant, i_write_callback_t cb, char *userdata, int maxbuffer, i_img **imgs, int count);
+undef_int i_writegif_wiol(io_glue *ig, i_quantize *quant,
+ i_img **imgs, int count);
void i_qdist(i_img *im);
#endif /* HAVE_LIBGIF */
-i_img *i_readraw_wiol(io_glue *ig, int x, int y, int datachannels, int storechannels, int intrl);
+i_img * i_readraw_wiol(io_glue *ig, int x, int y, int datachannels, int storechannels, int intrl);
undef_int i_writeraw_wiol(i_img* im, io_glue *ig);
-i_img *i_readpnm_wiol(io_glue *ig, int length);
-undef_int i_writeppm(i_img *im,int fd);
+i_img * i_readpnm_wiol(io_glue *ig, int length);
undef_int i_writeppm_wiol(i_img *im, io_glue *ig);
+extern int i_writebmp_wiol(i_img *im, io_glue *ig);
+extern i_img *i_readbmp_wiol(io_glue *ig);
+
+int tga_header_verify(unsigned char headbuf[18]);
+
+i_img * i_readtga_wiol(io_glue *ig, int length);
+undef_int i_writetga_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
-i_img* i_scaleaxis(i_img *im, float Value, int Axis);
-i_img* i_scale_nn(i_img *im, float scx, float scy);
-i_img* i_haar(i_img *im);
-int i_count_colors(i_img *im,int maxc);
+i_img * i_readrgb_wiol(io_glue *ig, int length);
+undef_int i_writergb_wiol(i_img *img, io_glue *ig, int wierdpack, int compress, char *idstring, size_t idlen);
-i_img* i_transform(i_img *im, int *opx,int opxl,int *opy,int opyl,double parm[],int parmlen);
+i_img * i_scaleaxis(i_img *im, float Value, int Axis);
+i_img * i_scale_nn(i_img *im, float scx, float scy);
+i_img * i_haar(i_img *im);
+int i_count_colors(i_img *im,int maxc);
+
+i_img * i_transform(i_img *im, int *opx,int opxl,int *opy,int opyl,double parm[],int parmlen);
struct rm_op;
-i_img* i_transform2(int width, int height, int channels,
- struct rm_op *ops, int ops_count,
- double *n_regs, int n_regs_count,
- i_color *c_regs, int c_regs_count,
- i_img **in_imgs, int in_imgs_count);
+i_img * i_transform2(int width, int height, int channels,
+ struct rm_op *ops, int ops_count,
+ double *n_regs, int n_regs_count,
+ i_color *c_regs, int c_regs_count,
+ i_img **in_imgs, int in_imgs_count);
+
/* filters */
void i_contrast(i_img *im, float intensity);
void i_hardinvert(i_img *im);
void i_noise(i_img *im, float amount, unsigned char type);
void i_bumpmap(i_img *im,i_img *bump,int channel,int light_x,int light_y,int strength);
+void i_bumpmap_complex(i_img *im, i_img *bump, int channel, int tx, int ty, float Lx, float Ly,
+ float Lz, float cd, float cs, float n, i_color *Ia, i_color *Il, i_color *Is);
void i_postlevels(i_img *im,int levels);
void i_mosaic(i_img *im,int size);
void i_watermark(i_img *im,i_img *wmark,int tx,int ty,int pixdiff);
void i_turbnoise(i_img *im,float xo,float yo,float scale);
void i_gradgen(i_img *im, int num, int *xo, int *yo, i_color *ival, int dmeasure);
void i_nearest_color(i_img *im, int num, int *xo, int *yo, i_color *ival, int dmeasure);
+i_img *i_diff_image(i_img *im, i_img *im2, int mindist);
+typedef enum {
+ i_fst_linear,
+ i_fst_curved,
+ i_fst_sine,
+ i_fst_sphere_up,
+ i_fst_sphere_down,
+ i_fst_end
+} i_fountain_seg_type;
+typedef enum {
+ i_fc_direct,
+ i_fc_hue_up,
+ i_fc_hue_down,
+ i_fc_end
+} i_fountain_color;
+typedef struct {
+ double start, middle, end;
+ i_fcolor c[2];
+ i_fountain_seg_type type;
+ i_fountain_color color;
+} i_fountain_seg;
+typedef enum {
+ i_fr_none,
+ i_fr_sawtooth,
+ i_fr_triangle,
+ i_fr_saw_both,
+ i_fr_tri_both
+} i_fountain_repeat;
+typedef enum {
+ i_ft_linear,
+ i_ft_bilinear,
+ i_ft_radial,
+ i_ft_radial_square,
+ i_ft_revolution,
+ i_ft_conical,
+ i_ft_end
+} i_fountain_type;
+typedef enum {
+ i_fts_none,
+ i_fts_grid,
+ i_fts_random,
+ i_fts_circle
+} i_ft_supersample;
+void i_fountain(i_img *im, double xa, double ya, double xb, double yb,
+ i_fountain_type type, i_fountain_repeat repeat,
+ int combine, int super_sample, double ssample_param,
+ int count, i_fountain_seg *segs);
+extern i_fill_t *
+i_new_fill_fount(double xa, double ya, double xb, double yb,
+ i_fountain_type type, i_fountain_repeat repeat,
+ int combine, int super_sample, double ssample_param,
+ int count, i_fountain_seg *segs);
/* Debug only functions */
void(*i_img_setmask)(i_img *im,int ch_mask);
int (*i_img_getmask)(i_img *im);
+ /*
int (*i_ppix)(i_img *im,int x,int y,i_color *val);
int (*i_gpix)(i_img *im,int x,int y,i_color *val);
-
+ */
void(*i_box)(i_img *im,int x1,int y1,int x2,int y2,i_color *val);
- void(*i_draw)(i_img *im,int x1,int y1,int x2,int y2,i_color *val);
+ void(*i_line)(i_img *im,int x1,int y1,int x2,int y2,i_color *val,int endp);
void(*i_arc)(i_img *im,int x,int y,float rad,float d1,float d2,i_color *val);
void(*i_copyto)(i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty);
void(*i_copyto_trans)(i_img *im,i_img *src,int x1,int y1,int x2,int y2,int tx,int ty,i_color *trans);
- void(*i_rubthru)(i_img *im,i_img *src,int tx,int ty);
+ int(*i_rubthru)(i_img *im,i_img *src,int tx,int ty);
} symbol_table_t;
extern i_failed_cb i_set_failed_cb(i_failed_cb);
extern void i_set_argv0(char const *);
extern int i_set_errors_fatal(int new_fatal);
-extern i_errmsg *i_errors();
+extern i_errmsg *i_errors(void);
extern void i_push_error(int code, char const *msg);
extern void i_push_errorf(int code, char const *fmt, ...);
extern void i_push_errorvf(int code, char const *fmt, va_list);
-extern void i_clear_error();
+extern void i_clear_error(void);
extern int i_failed(int code, char const *msg);
+/* image tag processing */
+extern void i_tags_new(i_img_tags *tags);
+extern int i_tags_addn(i_img_tags *tags, char const *name, int code,
+ int idata);
+extern int i_tags_add(i_img_tags *tags, char const *name, int code,
+ char const *data, int size, int idata);
+extern void i_tags_destroy(i_img_tags *tags);
+extern int i_tags_find(i_img_tags *tags, char const *name, int start,
+ int *entry);
+extern int i_tags_findn(i_img_tags *tags, int code, int start, int *entry);
+extern int i_tags_delete(i_img_tags *tags, int entry);
+extern int i_tags_delbyname(i_img_tags *tags, char const *name);
+extern int i_tags_delbycode(i_img_tags *tags, int code);
+extern int i_tags_get_float(i_img_tags *tags, char const *name, int code,
+ double *value);
+extern int i_tags_set_float(i_img_tags *tags, char const *name, int code,
+ double value);
+extern int i_tags_set_float2(i_img_tags *tags, char const *name, int code,
+ double value, int places);
+extern int i_tags_get_int(i_img_tags *tags, char const *name, int code,
+ int *value);
+extern int i_tags_get_string(i_img_tags *tags, char const *name, int code,
+ char *value, size_t value_size);
+extern int i_tags_get_color(i_img_tags *tags, char const *name, int code,
+ i_color *value);
+extern int i_tags_set_color(i_img_tags *tags, char const *name, int code,
+ i_color const *value);
+extern void i_tags_print(i_img_tags *tags);
+
+/* image file limits */
+extern int
+i_set_image_file_limits(int width, int height, int bytes);
+extern int
+i_get_image_file_limits(int *width, int *height, int *bytes);
#endif