[rt #86951] note preferred patch submission mechanism

[imager.git] / imdatatypes.h

diff --git a/imdatatypes.h b/imdatatypes.h
index d9ad0eb4f7541d8b525311e4148037ed4d08a5c1..1fa7c0b530b703f8d01f3d23a95690d80fccf5be 100644 (file)
--- a/imdatatypes.h
+++ b/imdatatypes.h
@@ -6,6 +6,11 @@
 
 #define MAXCHANNELS 4
 
+typedef struct im_context_tag *im_context_t;
+
+typedef ptrdiff_t im_slot_t;
+typedef void (*im_slot_destroy_t)(void *);
+
 /* used for palette indices in some internal code (which might be 
    exposed at some point
 */
@@ -36,6 +41,7 @@ May be larger than int on some platforms.
 */
 
 typedef ptrdiff_t i_img_dim;
+typedef size_t i_img_dim_u;
 
 /*
 =item i_color
@@ -283,6 +289,14 @@ i_f_psamp - implements psamp() for this image.
 
 i_f_psampf - implements psamp() for this image.
 
+=item *
+
+C<im_data> - image specific data internal to Imager.
+
+=item *
+
+C<context> - the Imager API context this image belongs to.
+
 =back
 
 =cut
@@ -335,6 +349,9 @@ struct i_img_ {
   i_f_psampf_t i_f_psampf;
 
   void *im_data;
+
+  /* 0.91 */
+  im_context_t context;
 };
 
 /* ext_data for paletted images
@@ -540,6 +557,18 @@ typedef enum {
   ic_color
 } i_combine_t;
 
+/*
+=item i_mutex_t
+X<i_mutex>
+=category mutex
+=synopsis i_mutex_t mutex;
+
+Opaque type for Imager's mutex API.
+
+=cut
+ */
+typedef struct i_mutex_tag *i_mutex_t;
+
 /*
    describes an axis of a MM font.
    Modelled on FT2's FT_MM_Axis.
@@ -681,6 +710,13 @@ enum {
 
 #include "iolayert.h"
 
+/* error message information returned by im_errors() */
+
+typedef struct {
+  char *msg;
+  int code;
+} i_errmsg;
+
 typedef struct i_render_tag i_render;
 
 #ifdef IMAGER_FORMAT_ATTR