[gtk/wip/otte/color-profiles: 106/111] Support color profiles in pixbufs
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/otte/color-profiles: 106/111] Support color profiles in pixbufs
- Date: Sat, 2 Oct 2021 02:53:26 +0000 (UTC)
commit 1d33be199d54a9b573325f207f27724d72243bb8
Author: Matthias Clasen <mclasen redhat com>
Date: Wed Sep 29 15:40:56 2021 -0400
Support color profiles in pixbufs
When creating a GdkTexture from a GdkPixbuf,
see if it has an icc profile attached, and if
so, use it.
gdk/gdktexture.c | 45 ++++++++++++++++++++++++++++++++++++++-------
1 file changed, 38 insertions(+), 7 deletions(-)
---
diff --git a/gdk/gdktexture.c b/gdk/gdktexture.c
index 4fac27212e..03b55a7fb6 100644
--- a/gdk/gdktexture.c
+++ b/gdk/gdktexture.c
@@ -435,6 +435,30 @@ gdk_texture_new_for_surface (cairo_surface_t *surface)
return texture;
}
+static GdkColorProfile *
+gdk_color_profile_from_pixbuf (GdkPixbuf *pixbuf)
+{
+ const char *icc_profile_base64;
+ GdkColorProfile *profile = NULL;
+
+ icc_profile_base64 = gdk_pixbuf_get_option (pixbuf, "icc-profile");
+ if (icc_profile_base64)
+ {
+ guchar *icc_data;
+ gsize icc_len;
+ GBytes *bytes;
+
+ icc_data = g_base64_decode (icc_profile_base64, &icc_len);
+ bytes = g_bytes_new_take (icc_data, icc_len);
+ profile = gdk_color_profile_new_from_icc_bytes (bytes, NULL);
+ g_bytes_unref (bytes);
+ }
+ if (!profile)
+ profile = g_object_ref (gdk_color_profile_get_srgb ());
+
+ return profile;
+}
+
/**
* gdk_texture_new_for_pixbuf:
* @pixbuf: a `GdkPixbuf`
@@ -452,24 +476,31 @@ gdk_texture_new_for_pixbuf (GdkPixbuf *pixbuf)
{
GdkTexture *texture;
GBytes *bytes;
+ GdkColorProfile *profile;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
+ profile = gdk_color_profile_from_pixbuf (pixbuf);
+
bytes = g_bytes_new_with_free_func (gdk_pixbuf_get_pixels (pixbuf),
gdk_pixbuf_get_height (pixbuf)
* gdk_pixbuf_get_rowstride (pixbuf),
g_object_unref,
g_object_ref (pixbuf));
- texture = gdk_memory_texture_new (gdk_pixbuf_get_width (pixbuf),
- gdk_pixbuf_get_height (pixbuf),
- gdk_pixbuf_get_has_alpha (pixbuf)
- ? GDK_MEMORY_GDK_PIXBUF_ALPHA
- : GDK_MEMORY_GDK_PIXBUF_OPAQUE,
- bytes,
- gdk_pixbuf_get_rowstride (pixbuf));
+
+ texture = gdk_memory_texture_new_with_color_profile (gdk_pixbuf_get_width (pixbuf),
+ gdk_pixbuf_get_height (pixbuf),
+ gdk_pixbuf_get_has_alpha (pixbuf)
+ ? GDK_MEMORY_GDK_PIXBUF_ALPHA
+ : GDK_MEMORY_GDK_PIXBUF_OPAQUE,
+ profile,
+ bytes,
+ gdk_pixbuf_get_rowstride (pixbuf));
g_bytes_unref (bytes);
+ g_object_unref (profile);
+
return texture;
}
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