allow Imager to be loaded on Windows 98

[imager.git] / imexttypes.h

diff --git a/imexttypes.h b/imexttypes.h
index 4c4c55941ce716b7197d4390417eb914b2e0bcb7..e607d4a3e790c38dc67df2e56d8451bc617902c6 100644 (file)
--- a/imexttypes.h
+++ b/imexttypes.h
@@ -5,10 +5,32 @@
 
 #include "imdatatypes.h"
 
 
 #include "imdatatypes.h"
 

+/*
+ IMAGER_API_VERSION is similar to the version number in the third and
+ fourth bytes of TIFF files - if it ever changes then the API has changed
+ too much for any application to remain compatible.
+*/
+#define IMAGER_API_VERSION 1
+
+/*
+ IMAGER_API_LEVEL is the level of the structure.  New function pointers
+ will always remain at the end (unless IMAGER_API_VERSION changes), and
+ will result in an increment of IMAGER_API_LEVEL.
+*/
+
+#define IMAGER_API_LEVEL 3
+

 typedef struct {
 typedef struct {

+  int version;
+  int level;
+
+  /* IMAGER_API_LEVEL 1 functions */

   void * (*f_mymalloc)(int size);
   void (*f_myfree)(void *block);
   void * (*f_myrealloc)(void *block, size_t newsize);
   void * (*f_mymalloc)(int size);
   void (*f_myfree)(void *block);
   void * (*f_myrealloc)(void *block, size_t newsize);

+  void* (*f_mymalloc_file_line)(size_t size, char* file, int line);
+  void  (*f_myfree_file_line)(void *p, char*file, int line);
+  void* (*f_myrealloc_file_line)(void *p, size_t newsize, char* file,int line);

 
   i_img *(*f_i_img_8_new)(int xsize, int ysize, int channels);
   i_img *(*f_i_img_16_new)(int xsize, int ysize, int channels);
 
   i_img *(*f_i_img_8_new)(int xsize, int ysize, int channels);
   i_img *(*f_i_img_16_new)(int xsize, int ysize, int channels);


@@ -19,38 +41,38 @@ typedef struct {
   i_img *(*f_i_sametype_chans)(i_img *im, int xsize, int ysize, int channels);
   void (*f_i_img_info)(i_img *im, int *info);
 
   i_img *(*f_i_sametype_chans)(i_img *im, int xsize, int ysize, int channels);
   void (*f_i_img_info)(i_img *im, int *info);
 

-  int (*f_i_ppix)(i_img *im, int x, int y, i_color *val);
+  int (*f_i_ppix)(i_img *im, int x, int y, const i_color *val);

   int (*f_i_gpix)(i_img *im, int x, int y, i_color *val);
   int (*f_i_gpix)(i_img *im, int x, int y, i_color *val);

-  int (*f_i_ppixf)(i_img *im, int x, int y, i_fcolor *val);
+  int (*f_i_ppixf)(i_img *im, int x, int y, const i_fcolor *val);

   int (*f_i_gpixf)(i_img *im, int x, int y, i_fcolor *val);
   int (*f_i_gpixf)(i_img *im, int x, int y, i_fcolor *val);

-  int (*f_i_plin)(i_img *im, int l, int r, int y, i_color *vals);
+  int (*f_i_plin)(i_img *im, int l, int r, int y, const i_color *vals);

   int (*f_i_glin)(i_img *im, int l, int r, int y, i_color *vals);
   int (*f_i_glin)(i_img *im, int l, int r, int y, i_color *vals);

-  int (*f_i_plinf)(i_img *im, int l, int r, int y, i_fcolor *vals);
+  int (*f_i_plinf)(i_img *im, int l, int r, int y, const i_fcolor *vals);

   int (*f_i_glinf)(i_img *im, int l, int r, int y, i_fcolor *vals);
   int (*f_i_gsamp)(i_img *im, int l, int r, int y, i_sample_t *samp, 
                    const int *chans, int chan_count);
   int (*f_i_gsampf)(i_img *im, int l, int r, int y, i_fsample_t *samp, 
                    const int *chans, int chan_count);
   int (*f_i_gpal)(i_img *im, int x, int r, int y, i_palidx *vals);
   int (*f_i_glinf)(i_img *im, int l, int r, int y, i_fcolor *vals);
   int (*f_i_gsamp)(i_img *im, int l, int r, int y, i_sample_t *samp, 
                    const int *chans, int chan_count);
   int (*f_i_gsampf)(i_img *im, int l, int r, int y, i_fsample_t *samp, 
                    const int *chans, int chan_count);
   int (*f_i_gpal)(i_img *im, int x, int r, int y, i_palidx *vals);

-  int (*f_i_ppal)(i_img *im, int x, int r, int y, i_palidx *vals);
-  int (*f_i_addcolors)(i_img *im, i_color *colors, int count);
+  int (*f_i_ppal)(i_img *im, int x, int r, int y, const i_palidx *vals);
+  int (*f_i_addcolors)(i_img *im, const i_color *colors, int count);

   int (*f_i_getcolors)(i_img *im, int i, i_color *, int count);
   int (*f_i_colorcount)(i_img *im);
   int (*f_i_maxcolors)(i_img *im);
   int (*f_i_getcolors)(i_img *im, int i, i_color *, int count);
   int (*f_i_colorcount)(i_img *im);
   int (*f_i_maxcolors)(i_img *im);

-  int (*f_i_findcolor)(i_img *im, i_color *color, i_palidx *entry);
-  int (*f_i_setcolors)(i_img *im, int index, i_color *colors, 
+  int (*f_i_findcolor)(i_img *im, const i_color *color, i_palidx *entry);
+  int (*f_i_setcolors)(i_img *im, int index, const i_color *colors, 

                        int count);
 
                        int count);
 

-  i_fill_t *(*f_i_new_fill_solid)(i_color *c, int combine);
-  i_fill_t *(*f_i_new_fill_solidf)(i_fcolor *c, int combine);
+  i_fill_t *(*f_i_new_fill_solid)(const i_color *c, int combine);
+  i_fill_t *(*f_i_new_fill_solidf)(const i_fcolor *c, int combine);

 
 

-  i_fill_t *(*f_i_new_fill_hatch)(i_color *fg, i_color *bg, int combine, 
-                                  int hatch, unsigned char *cust_hatch, 
+  i_fill_t *(*f_i_new_fill_hatch)(const i_color *fg, const i_color *bg, int combine, 
+                                  int hatch, const unsigned char *cust_hatch, 

                                   int dx, int dy);
                                   int dx, int dy);

-  i_fill_t *(*f_i_new_fill_hatchf)(i_fcolor *fg, i_fcolor *bg, int combine, 
-                                  int hatch, unsigned char *cust_hatch, 
+  i_fill_t *(*f_i_new_fill_hatchf)(const i_fcolor *fg, const i_fcolor *bg, int combine, 
+                                  int hatch, const unsigned char *cust_hatch, 

                                   int dx, int dy);
                                   int dx, int dy);

-  i_fill_t *(*f_i_new_fill_image)(i_img *im, double *matrix, int xoff, 
+  i_fill_t *(*f_i_new_fill_image)(i_img *im, const double *matrix, int xoff, 

                                 int yoff, int combine);
   i_fill_t *(*f_i_new_fill_fount)(double xa, double ya, double xb, double yb, 
                  i_fountain_type type, i_fountain_repeat repeat, 
                                 int yoff, int combine);
   i_fill_t *(*f_i_new_fill_fount)(double xa, double ya, double xb, double yb, 
                  i_fountain_type type, i_fountain_repeat repeat, 


@@ -95,23 +117,41 @@ typedef struct {
   int (*f_i_tags_set_color)(i_img_tags *tags, char const *name, int code,
                             i_color const *value);
 
   int (*f_i_tags_set_color)(i_img_tags *tags, char const *name, int code,
                             i_color const *value);
 

-  void (*f_i_box)(i_img *im, int x1, int y1, int x2, int y2, i_color *val);
-  void (*f_i_box_filled)(i_img *im, int x1, int y1, int x2, int y2, i_color *val);
+  void (*f_i_box)(i_img *im, int x1, int y1, int x2, int y2, const i_color *val);
+  void (*f_i_box_filled)(i_img *im, int x1, int y1, int x2, int y2, const i_color *val);

   void (*f_i_box_cfill)(i_img *im, int x1, int y1, int x2, int y2, i_fill_t *fill);
   void (*f_i_box_cfill)(i_img *im, int x1, int y1, int x2, int y2, i_fill_t *fill);

-  void (*f_i_line)(i_img *im, int x1, int y1, int x2, int y2, i_color *val, int endp);
-  void (*f_i_line_aa)(i_img *im, int x1, int y1, int x2, int y2, i_color *val, int endp);
-  void (*f_i_arc)(i_img *im, int x, int y, float rad, float d1, float d2, i_color *val);
-  void (*f_i_arc_aa)(i_img *im, double x, double y, double rad, double d1, double d2, i_color *val);
+  void (*f_i_line)(i_img *im, int x1, int y1, int x2, int y2, const i_color *val, int endp);
+  void (*f_i_line_aa)(i_img *im, int x1, int y1, int x2, int y2, const i_color *val, int endp);
+  void (*f_i_arc)(i_img *im, int x, int y, float rad, float d1, float d2, const i_color *val);
+  void (*f_i_arc_aa)(i_img *im, double x, double y, double rad, double d1, double d2, const i_color *val);

   void (*f_i_arc_cfill)(i_img *im, int x, int y, float rad, float d1, float d2, i_fill_t *val);
   void (*f_i_arc_aa_cfill)(i_img *im, double x, double y, double rad, double d1, double d2, i_fill_t *fill);
   void (*f_i_arc_cfill)(i_img *im, int x, int y, float rad, float d1, float d2, i_fill_t *val);
   void (*f_i_arc_aa_cfill)(i_img *im, double x, double y, double rad, double d1, double d2, i_fill_t *fill);

-  void (*f_i_circle_aa)(i_img *im, float x, float y, float rad, i_color *val);
-  int (*f_i_flood_fill)(i_img *im, int seedx, int seedy, i_color *dcol);
+  void (*f_i_circle_aa)(i_img *im, float x, float y, float rad, const i_color *val);
+  int (*f_i_flood_fill)(i_img *im, int seedx, int seedy, const i_color *dcol);

   int (*f_i_flood_cfill)(i_img *im, int seedx, int seedy, i_fill_t *fill);
 
   void (*f_i_copyto)(i_img *im, i_img *src, int x1, int y1, int x2, int y2, int tx, int ty);
   int (*f_i_flood_cfill)(i_img *im, int seedx, int seedy, i_fill_t *fill);
 
   void (*f_i_copyto)(i_img *im, i_img *src, int x1, int y1, int x2, int y2, int tx, int ty);

-  void (*f_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 (*f_i_copyto_trans)(i_img *im, i_img *src, int x1, int y1, int x2, int y2, int tx, int ty, const i_color *trans);

   i_img *(*f_i_copy)(i_img *im);
   int (*f_i_rubthru)(i_img *im, i_img *src, int tx, int ty, int src_minx, int src_miny, int src_maxx, int src_maxy);
   i_img *(*f_i_copy)(i_img *im);
   int (*f_i_rubthru)(i_img *im, i_img *src, int tx, int ty, int src_minx, int src_miny, int src_maxx, int src_maxy);

+
+  /* IMAGER_API_LEVEL 2 functions */
+  int (*f_i_set_image_file_limits)(int width, int height, int bytes);
+  int (*f_i_get_image_file_limits)(int *width, int *height, int *bytes);
+  int (*f_i_int_check_image_file_limits)(int width, int height, int channels, int sample_size);
+  int (*f_i_flood_fill_border)(i_img *im, int seedx, int seedy, const i_color *dcol, const i_color *border);
+  int (*f_i_flood_cfill_border)(i_img *im, int seedx, int seedy, i_fill_t *fill, const i_color *border);
+
+  /* IMAGER_API_LEVEL 3 functions */
+  void (*f_i_img_setmask)(i_img *im, int ch_mask);
+  int (*f_i_img_getmask)(i_img *im);
+  int (*f_i_img_getchannels)(i_img *im);
+  i_img_dim (*f_i_img_get_width)(i_img *im);
+  i_img_dim (*f_i_img_get_height)(i_img *im);
+  void (*f_i_lhead)(const char *file, int line_number);
+  void (*f_i_loog)(int level, const char *msg, ...);
+
+  /* IMAGER_API_LEVEL 4 functions will be added here */

 } im_ext_funcs;
 
 #define PERL_FUNCTION_TABLE_NAME "Imager::__ext_func_table"
 } im_ext_funcs;
 
 #define PERL_FUNCTION_TABLE_NAME "Imager::__ext_func_table"