add page parameter to read() method when reading TIFF files

[imager.git] / image.h

diff --git a/image.h b/image.h
index d2ff41a6629c1e9807bf9a54be5989b84a707d98..fa8814f0397150c855d107e05888e6c147713f2e 100644 (file)
--- a/image.h
+++ b/image.h
@@ -1,7 +1,8 @@
 #ifndef _IMAGE_H_
 #define _IMAGE_H_
 
-#include "io.h"
+#include "imconfig.h"
+#include "imio.h"
 #include "iolayer.h"
 #include "log.h"
 #include "stackmach.h"
@@ -211,12 +212,15 @@ 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);
-int 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, 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);
@@ -242,18 +246,44 @@ float i_img_diff   (i_img *im1,i_img *im2);
 
 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 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
@@ -265,10 +295,15 @@ typedef struct TT_Fonthandle_ TT_Fonthandle;
 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 const* txt,int len,int smooth, int utf8);
-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);
+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 */
 
@@ -284,6 +319,8 @@ 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, 
@@ -294,7 +331,21 @@ extern int i_ft2_cp(FT2_Fonthandle *handle, i_img *im, int tx, int ty,
                     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
@@ -304,6 +355,7 @@ 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
 
@@ -509,6 +561,10 @@ 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_wiol(io_glue *ig, int length, char** iptc_itext, int *itlength);
@@ -516,7 +572,7 @@ 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);
@@ -559,6 +615,8 @@ 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);
 
@@ -722,6 +780,8 @@ 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, 
@@ -732,4 +792,10 @@ 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