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gdk: Add (de)serializers for GDK_TYPE_TEXTURE

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We want to use textures more, so we should be able to use them for
copy/paste and dnd.
This commit is contained in:
Benjamin Otte 2017-12-02 14:36:57 +01:00
parent ead67a7c17
commit a34836f35b
2 changed files with 56 additions and 4 deletions
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25
gdk/gdkcontentdeserializer.c
View File

@ -22,6 +22,7 @@
#include "gdkcontentdeserializer.h"
#include "gdkcontentformats.h"
#include "gdktexture.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
@ -439,6 +440,7 @@ pixbuf_deserializer_finish (GObject *source,
gpointer deserializer)
{
GdkPixbuf *pixbuf;
GValue *value;
GError *error = NULL;
pixbuf = gdk_pixbuf_new_from_stream_finish (res, &error);
@ -448,8 +450,22 @@ pixbuf_deserializer_finish (GObject *source,
return;
}
g_value_take_object (gdk_content_deserializer_get_value (deserializer),
pixbuf);
value = gdk_content_deserializer_get_value (deserializer);
if (G_VALUE_HOLDS (value, GDK_TYPE_PIXBUF))
{
g_value_take_object (value, pixbuf);
}
else if (G_VALUE_HOLDS (value, GDK_TYPE_TEXTURE))
{
GdkTexture *texture;
texture = gdk_texture_new_for_pixbuf (pixbuf);
g_object_unref (pixbuf);
g_value_take_object (value, texture);
}
else
{
g_assert_not_reached ();
}
gdk_content_deserializer_return_success (deserializer);
}
@ -632,6 +648,11 @@ init (void)
mimes = gdk_pixbuf_format_get_mime_types (fmt);
for (m = mimes; *m; m++)
{
gdk_content_register_deserializer (*m,
GDK_TYPE_TEXTURE,
pixbuf_deserializer,
NULL,
NULL);
gdk_content_register_deserializer (*m,
GDK_TYPE_PIXBUF,
pixbuf_deserializer,

35
gdk/gdkcontentserializer.c
View File

@ -22,6 +22,8 @@
#include "gdkcontentserializer.h"
#include "gdkcontentformats.h"
#include "gdkpixbuf.h"
#include "gdktextureprivate.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <string.h>
@ -449,9 +451,32 @@ pixbuf_serializer_finish (GObject *source,
static void
pixbuf_serializer (GdkContentSerializer *serializer)
{
const char *name = gdk_content_serializer_get_user_data (serializer);
const GValue *value;
GdkPixbuf *pixbuf;
const char *name;
gdk_pixbuf_save_to_stream_async (g_value_get_object (gdk_content_serializer_get_value (serializer)),
name = gdk_content_serializer_get_user_data (serializer);
value = gdk_content_serializer_get_value (serializer);
if (G_VALUE_HOLDS (value, GDK_TYPE_PIXBUF))
{
pixbuf = g_value_dup_object (value);
}
else if (G_VALUE_HOLDS (value, GDK_TYPE_TEXTURE))
{
GdkTexture *texture = g_value_get_object (value);
cairo_surface_t *surface = gdk_texture_download_surface (texture);
pixbuf = gdk_pixbuf_get_from_surface (surface,
0, 0,
gdk_texture_get_width (texture), gdk_texture_get_height (texture));
cairo_surface_destroy (surface);
}
else
{
g_assert_not_reached ();
}
gdk_pixbuf_save_to_stream_async (pixbuf,
gdk_content_serializer_get_output_stream (serializer),
name,
gdk_content_serializer_get_cancellable (serializer),
@ -459,6 +484,7 @@ pixbuf_serializer (GdkContentSerializer *serializer)
serializer,
g_str_equal (name, "png") ? "compression" : NULL, "2",
NULL);
g_object_unref (pixbuf);
}
static void
@ -669,6 +695,11 @@ init (void)
mimes = gdk_pixbuf_format_get_mime_types (fmt);
for (m = mimes; *m; m++)
{
gdk_content_register_serializer (GDK_TYPE_TEXTURE,
*m,
pixbuf_serializer,
g_strdup (gdk_pixbuf_format_get_name (fmt)),
g_free);
gdk_content_register_serializer (GDK_TYPE_PIXBUF,
*m,
pixbuf_serializer,