guix/gnu/packages/patches/sdl-pango-api_additions.patch

Index: SDL_Pango-0.1.2/src/SDL_Pango.c
===================================================================
--- SDL_Pango-0.1.2.orig/src/SDL_Pango.c	2004-12-10 10:06:33.000000000 +0100
+++ SDL_Pango-0.1.2/src/SDL_Pango.c	2007-09-18 14:56:35.362379428 +0200
@@ -723,13 +723,9 @@
     SDL_UnlockSurface(surface);
 }
 
-/*!
-    Create a context which contains Pango objects.
 
-    @return A pointer to the context as a SDLPango_Context*.
-*/
 SDLPango_Context*
-SDLPango_CreateContext()
+SDLPango_CreateContext_GivenFontDesc(const char* font_desc)
 {
     SDLPango_Context *context = g_malloc(sizeof(SDLPango_Context));
     G_CONST_RETURN char *charset;
@@ -743,8 +739,7 @@
     pango_context_set_language (context->context, pango_language_from_string (charset));
     pango_context_set_base_dir (context->context, PANGO_DIRECTION_LTR);
 
-    context->font_desc = pango_font_description_from_string(
-	MAKE_FONT_NAME (DEFAULT_FONT_FAMILY, DEFAULT_FONT_SIZE));
+    context->font_desc = pango_font_description_from_string(font_desc);
 
     context->layout = pango_layout_new (context->context);
 
@@ -762,6 +757,17 @@
 }
 
 /*!
+    Create a context which contains Pango objects.
+
+    @return A pointer to the context as a SDLPango_Context*.
+*/
+SDLPango_Context*
+SDLPango_CreateContext()
+{
+    SDLPango_CreateContext_GivenFontDesc(MAKE_FONT_NAME(DEFAULT_FONT_FAMILY, DEFAULT_FONT_SIZE));
+}
+
+/*!
     Free a context.
 
     @param *context [i/o] Context to be free
@@ -1053,6 +1059,20 @@
     pango_layout_set_font_description (context->layout, context->font_desc);
 }
 
+void
+SDLPango_SetText_GivenAlignment(
+    SDLPango_Context *context,
+    const char *text,
+    int length,
+    SDLPango_Alignment alignment)
+{
+    pango_layout_set_attributes(context->layout, NULL);
+    pango_layout_set_text (context->layout, text, length);
+    pango_layout_set_auto_dir (context->layout, TRUE);
+    pango_layout_set_alignment (context->layout, alignment);
+    pango_layout_set_font_description (context->layout, context->font_desc);
+}
+
 /*!
     Set plain text to context.
     Text must be utf-8.
@@ -1067,11 +1087,7 @@
     const char *text,
     int length)
 {
-    pango_layout_set_attributes(context->layout, NULL);
-    pango_layout_set_text (context->layout, text, length);
-    pango_layout_set_auto_dir (context->layout, TRUE);
-    pango_layout_set_alignment (context->layout, PANGO_ALIGN_LEFT);
-    pango_layout_set_font_description (context->layout, context->font_desc);
+    SDLPango_SetText_GivenAlignment(context, text, length, SDLPANGO_ALIGN_LEFT);
 }
 
 /*!
Index: SDL_Pango-0.1.2/src/SDL_Pango.h
===================================================================
--- SDL_Pango-0.1.2.orig/src/SDL_Pango.h	2004-12-10 10:06:33.000000000 +0100
+++ SDL_Pango-0.1.2/src/SDL_Pango.h	2007-09-18 15:00:41.736419485 +0200
@@ -26,6 +26,7 @@
 
 #ifndef SDL_PANGO_H
 #define SDL_PANGO_H
+#define SDL_PANGO_HAS_GC_EXTENSIONS
 
 #include "SDL.h"
 
@@ -109,12 +110,20 @@
     SDLPANGO_DIRECTION_NEUTRAL	/*! Neutral */
 } SDLPango_Direction;
 
-
+/*!
+    Specifies alignment of text. See Pango reference for detail
+*/
+typedef enum {
+    SDLPANGO_ALIGN_LEFT,
+    SDLPANGO_ALIGN_CENTER,
+    SDLPANGO_ALIGN_RIGHT
+} SDLPango_Alignment;
 
 extern DECLSPEC int SDLCALL SDLPango_Init();
 
 extern DECLSPEC int SDLCALL SDLPango_WasInit();
 
+extern DECLSPEC SDLPango_Context* SDLCALL SDLPango_CreateContext_GivenFontDesc(const char* font_desc);
 extern DECLSPEC SDLPango_Context* SDLCALL SDLPango_CreateContext();
 
 extern DECLSPEC void SDLCALL SDLPango_FreeContext(
@@ -157,6 +166,12 @@
     const char *markup,
     int length);
 
+extern DECLSPEC void SDLCALL SDLPango_SetText_GivenAlignment(
+    SDLPango_Context *context,
+    const char *text,
+    int length,
+    SDLPango_Alignment alignment);
+
 extern DECLSPEC void SDLCALL SDLPango_SetText(
     SDLPango_Context *context,
     const char *markup,