add new comparison method rgb_difference that resembles arithmetical difference per...

[imager.git] / imager.h

diff --git a/imager.h b/imager.h
index 2780286699fbcbed17b152a427e2a1792ce495ac..c9472c87b1992a682979d761561b899dbc3cf65d 100644 (file)
--- a/imager.h
+++ b/imager.h
@@ -64,6 +64,9 @@ int    i_img_getmask    (i_img *im);
 int    i_img_getchannels(i_img *im);
 i_img_dim i_img_get_width(i_img *im);
 i_img_dim i_img_get_height(i_img *im);
+i_color_model_t i_img_color_model(i_img *im);
+int i_img_alpha_channel(i_img *im, int *channel);
+int i_img_color_channels(i_img *im);
 
 /* Base functions */
 
@@ -175,7 +178,8 @@ undef_int i_flood_cfill_border(i_img *im, i_img_dim seedx, i_img_dim seedy, i_fi
 
 /* image processing functions */
 
-int i_gaussian    (i_img *im, double stdev);
+int i_gaussian    (i_img *im, double stddev);
+int i_gaussian2    (i_img *im, double stddevX, double stddevY);
 int i_conv        (i_img *im,const double *coeff,int len);
 void i_unsharp_mask(i_img *im, double stddev, double scale);
 
@@ -226,8 +230,15 @@ extern int i_img_is_monochrome(i_img *im, int *zero_is_white);
 extern int i_get_file_background(i_img *im, i_color *bg);
 extern int i_get_file_backgroundf(i_img *im, i_fcolor *bg);
 
-const char * i_test_format_probe(io_glue *data, int length);
+const char * im_test_format_probe(im_context_t ctx, io_glue *data, int length);
+#define i_test_format_probe(io, length) im_test_format_probe(aIMCTX, (io), (length))
 
+/* file type magic to extend file detection */
+extern int im_add_file_magic(im_context_t ctx, const char *name,
+                            const unsigned char *bits, const unsigned char *mask,
+                            size_t length);
+#define i_add_file_magic(name, bits, mask, length) \
+  im_add_file_magic(aIMCTX, (name), (bits), (mask), (length))
 
 i_img   * i_readraw_wiol(io_glue *ig, i_img_dim x, i_img_dim y, int datachannels, int storechannels, int intrl);
 undef_int i_writeraw_wiol(i_img* im, io_glue *ig);
@@ -282,6 +293,7 @@ void i_turbnoise(i_img *im,double xo,double yo,double scale);
 void i_gradgen(i_img *im, int num, i_img_dim *xo, i_img_dim *yo, i_color *ival, int dmeasure);
 int i_nearest_color(i_img *im, int num, i_img_dim *xo, i_img_dim *yo, i_color *ival, int dmeasure);
 i_img *i_diff_image(i_img *im, i_img *im2, double mindist);
+i_img *i_rgbdiff_image(i_img *im, i_img *im2);
 int
 i_fountain(i_img *im, double xa, double ya, double xb, double yb, 
            i_fountain_type type, i_fountain_repeat repeat,