[gtk/img-loading: 2/4] texture: Add error enum

[Matthias Clasen <matthiasc src gnome org>]

commit 57b419ebb166b3e63aa7f2dbdc3044f08e9446d6
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 13 20:51:42 2021 -0400

    texture: Add error enum

 gdk/gdktexture.c |  2 ++
 gdk/gdktexture.h | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)
---
diff --git a/gdk/gdktexture.c b/gdk/gdktexture.c
index 9c3ea98301..a2415da114 100644
--- a/gdk/gdktexture.c
+++ b/gdk/gdktexture.c
@@ -50,6 +50,8 @@
 #include "loaders/gdktiffprivate.h"
 #include "loaders/gdkjpegprivate.h"
 
+G_DEFINE_QUARK (gdk-texture-error-quark, gdk_texture_error)
+
 /* HACK: So we don't need to include any (not-yet-created) GSK or GTK headers */
 void
 gtk_snapshot_append_texture (GdkSnapshot            *snapshot,
diff --git a/gdk/gdktexture.h b/gdk/gdktexture.h
index 3429c40a88..59ba657607 100644
--- a/gdk/gdktexture.h
+++ b/gdk/gdktexture.h
@@ -38,6 +38,25 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkTexture, g_object_unref)
 
 typedef struct _GdkTextureClass        GdkTextureClass;
 
+#define GDK_TEXTURE_ERROR       (gdk_texture_error_quark ())
+
+GDK_AVAILABLE_IN_4_6
+GQuark gdk_texture_error_quark (void);
+
+/**
+ * GdkTextureError:
+ * @GDK_TEXTURE_ERROR_INSUFFICIENT_MEMORY: Not enough memory to handle this image
+ * @GDK_TEXTURE_ERROR_CORRUPT_IMAGE: The image data appears corrupted
+ * @GDK_TEXTURE_ERROR_UNSUPPORTED: The image format is not supported
+ *
+ * Possible errors that can be returned by `GdkTexture` constructors.
+ */
+typedef enum
+{
+  GDK_TEXTURE_ERROR_INSUFFICIENT_MEMORY,
+  GDK_TEXTURE_ERROR_CORRUPT_IMAGE,
+  GDK_TEXTURE_ERROR_UNSUPPORTED,
+} GdkTextureError;
 
 GDK_AVAILABLE_IN_ALL
 GType                   gdk_texture_get_type                   (void) G_GNUC_CONST;