From 5d18e6897aa7fe53fcadb457fa7d1caf5a143da3 Mon Sep 17 00:00:00 2001
From: Sebastian Geerken <devnull@localhost>
Date: Tue, 19 Nov 2013 12:14:34 +0100
Subject: Toplevel images work now.

---
 src/dicache.c |  5 +++--
 src/image.cc  | 20 ++++++++++++++++++++
 src/image.hh  |  3 +++
 3 files changed, 26 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/dicache.c b/src/dicache.c
index ec63df1f..db3b86b2 100644
--- a/src/dicache.c
+++ b/src/dicache.c
@@ -403,7 +403,8 @@ static void *Dicache_image(int ImgType, const char *MimeType, void *Ptr,
    dReturn_val_if_fail(MimeType && Ptr, NULL);
 
    if (!web->Image) {
-      web->Image = a_Image_new(NULL, NULL, web->bgColor);
+      web->Image =
+         a_Image_new_with_dw(web->bw->render_layout, NULL, web->bgColor);
       a_Image_ref(web->Image);
    }
 
@@ -430,7 +431,7 @@ static void *Dicache_image(int ImgType, const char *MimeType, void *Ptr,
    *Data = DicEntry->DecoderData;
    *Call = (CA_Callback_t) a_Dicache_callback;
 
-   return (web->Image->img_rnd);
+   return (a_Image_get_dw (web->Image));
 }
 
 /*
diff --git a/src/image.cc b/src/image.cc
index 04d89a82..7e6c27a4 100644
--- a/src/image.cc
+++ b/src/image.cc
@@ -49,6 +49,26 @@ DilloImage *a_Image_new(void *layout, void *img_rnd, int32_t bg_color)
    return Image;
 }
 
+/*
+ * Create and initialize a new image structure with an image widget.
+ */
+DilloImage *a_Image_new_with_dw(void *layout, const char *alt_text,
+                                int32_t bg_color)
+{
+   dw::Image *dw = new dw::Image(alt_text);
+   return a_Image_new(layout, (void*)(dw::core::ImgRenderer*)dw, bg_color);
+}
+
+/*
+ * Return the image renderer as a widget. This is somewhat tricky,
+ * since simple casting leads to wrong (and hard to debug) results,
+ * because of multiple inheritance. This function can be used from C
+ * code, where only access to void* is possible.
+ */
+void *a_Image_get_dw(DilloImage *Image)
+{
+   return (dw::Image*)(dw::core::ImgRenderer*)Image->img_rnd;
+}
 /*
  * Deallocate an Image structure
  */
diff --git a/src/image.hh b/src/image.hh
index fd105a7e..52bd1cf1 100644
--- a/src/image.hh
+++ b/src/image.hh
@@ -63,6 +63,9 @@ struct _DilloImage {
  * Function prototypes
  */
 DilloImage *a_Image_new(void *layout, void *img_rnd, int32_t bg_color);
+DilloImage *a_Image_new_with_dw(void *layout, const char *alt_text,
+                                int32_t bg_color);
+void *a_Image_get_dw(DilloImage *Image);
 void a_Image_ref(DilloImage *Image);
 void a_Image_unref(DilloImage *Image);
 
-- 
cgit v1.2.3