forked from AuroraMiddleware/gtk
icon theme: Improve loading of unthemed files
When creating icon info objects for unthemed files, we don't really have a nominal size, so we pass 0 to mean 'load at original size'. However, this is not what was happening. To make this possible, add variants of some pixbuf loading functions that take a scale factor instead of a desired size, and use those when we don't have a nominal size.
This commit is contained in:
Matthias Clasen
parent
68edc67bde
commit
001598a821
@ -561,7 +561,8 @@ gtk_private_h_sources = \
|
||||
gtkwidgetprivate.h \
|
||||
gtkwin32themeprivate.h \
|
||||
gtkwindowprivate.h \
|
||||
gtktreemenu.h
|
||||
gtktreemenu.h \
|
||||
gdkpixbufutilsprivate.h
|
||||
|
||||
# GTK+ C sources to build the library from
|
||||
gtk_base_c_sources = \
|
||||
@ -916,7 +917,8 @@ gtk_base_c_sources = \
|
||||
gtkwidgetpath.c \
|
||||
gtkwindow.c \
|
||||
gtkwindowgroup.c \
|
||||
gtkwin32theme.c
|
||||
gtkwin32theme.c \
|
||||
gdkpixbufutils.c
|
||||
|
||||
if USE_QUARTZ
|
||||
gtk_base_c_sources += \
|
||||
|
||||
132
gtk/gdkpixbufutils.c
Normal file
132
gtk/gdkpixbufutils.c
Normal file
@ -0,0 +1,132 @@
|
||||
/* Copyright (C) 2016 Red Hat, Inc.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include "gdkpixbufutilsprivate.h"
|
||||
|
||||
static GdkPixbuf *
|
||||
load_from_stream (GdkPixbufLoader *loader,
|
||||
GInputStream *stream,
|
||||
GCancellable *cancellable,
|
||||
GError **error)
|
||||
{
|
||||
GdkPixbuf *pixbuf;
|
||||
gssize n_read;
|
||||
guchar buffer[65536];
|
||||
gboolean res;
|
||||
|
||||
res = TRUE;
|
||||
while (1)
|
||||
{
|
||||
n_read = g_input_stream_read (stream, buffer, sizeof (buffer), cancellable, error);
|
||||
if (n_read < 0)
|
||||
{
|
||||
res = FALSE;
|
||||
error = NULL; /* Ignore further errors */
|
||||
break;
|
||||
}
|
||||
|
||||
if (n_read == 0)
|
||||
break;
|
||||
|
||||
if (!gdk_pixbuf_loader_write (loader, buffer, n_read, error))
|
||||
{
|
||||
res = FALSE;
|
||||
error = NULL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!gdk_pixbuf_loader_close (loader, error))
|
||||
{
|
||||
res = FALSE;
|
||||
error = NULL;
|
||||
}
|
||||
|
||||
pixbuf = NULL;
|
||||
|
||||
if (res)
|
||||
{
|
||||
pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
|
||||
if (pixbuf)
|
||||
g_object_ref (pixbuf);
|
||||
}
|
||||
|
||||
return pixbuf;
|
||||
}
|
||||
|
||||
static void
|
||||
size_prepared_cb (GdkPixbufLoader *loader,
|
||||
gint width,
|
||||
gint height,
|
||||
gpointer data)
|
||||
{
|
||||
gdouble *scale = data;
|
||||
|
||||
width = MAX (*scale * width, 1);
|
||||
height = MAX (*scale * height, 1);
|
||||
|
||||
gdk_pixbuf_loader_set_size (loader, width, height);
|
||||
}
|
||||
|
||||
/* Like gdk_pixbuf_new_from_stream_at_scale, but
|
||||
* load the image at its original size times the
|
||||
* given scale.
|
||||
*/
|
||||
GdkPixbuf *
|
||||
_gdk_pixbuf_new_from_stream_scaled (GInputStream *stream,
|
||||
gdouble scale,
|
||||
GCancellable *cancellable,
|
||||
GError **error)
|
||||
{
|
||||
GdkPixbufLoader *loader;
|
||||
GdkPixbuf *pixbuf;
|
||||
|
||||
loader = gdk_pixbuf_loader_new ();
|
||||
|
||||
g_signal_connect (loader, "size-prepared",
|
||||
G_CALLBACK (size_prepared_cb), &scale);
|
||||
|
||||
pixbuf = load_from_stream (loader, stream, cancellable, error);
|
||||
|
||||
g_object_unref (loader);
|
||||
|
||||
return pixbuf;
|
||||
}
|
||||
|
||||
/* Like gdk_pixbuf_new_from_resource_at_scale, but
|
||||
* load the image at its original size times the
|
||||
* given scale.
|
||||
*/
|
||||
GdkPixbuf *
|
||||
_gdk_pixbuf_new_from_resource_scaled (const gchar *resource_path,
|
||||
gdouble scale,
|
||||
GError **error)
|
||||
{
|
||||
GInputStream *stream;
|
||||
GdkPixbuf *pixbuf;
|
||||
|
||||
stream = g_resources_open_stream (resource_path, 0, error);
|
||||
if (stream == NULL)
|
||||
return NULL;
|
||||
|
||||
pixbuf = _gdk_pixbuf_new_from_stream_scaled (stream, scale, NULL, error);
|
||||
g_object_unref (stream);
|
||||
|
||||
return pixbuf;
|
||||
}
|
||||
|
||||
35
gtk/gdkpixbufutilsprivate.h
Normal file
35
gtk/gdkpixbufutilsprivate.h
Normal file
@ -0,0 +1,35 @@
|
||||
/* GTK - The GIMP Toolkit
|
||||
* Copyright (C) 2016 Red Hat, Inc.
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef __GDK_PIXBUF_UTILS_PRIVATE_H__
|
||||
#define __GDK_PIXBUF_UTILS_PRIVATE_H__
|
||||
|
||||
#include <gdk-pixbuf/gdk-pixbuf.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
GdkPixbuf *_gdk_pixbuf_new_from_stream_scaled (GInputStream *stream,
|
||||
gdouble scale,
|
||||
GCancellable *cancellable,
|
||||
GError **error);
|
||||
GdkPixbuf *_gdk_pixbuf_new_from_resource_scaled (const gchar *resource_path,
|
||||
gdouble scale,
|
||||
GError **error);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GDK_PIXBUF_UTILS_PRIVATE_H__ */
|
||||
@ -49,6 +49,7 @@
|
||||
#include "gtksettingsprivate.h"
|
||||
#include "gtkstylecontextprivate.h"
|
||||
#include "gtkprivate.h"
|
||||
#include "gdkpixbufutilsprivate.h"
|
||||
|
||||
#undef GDK_DEPRECATED
|
||||
#undef GDK_DEPRECATED_FOR
|
||||
@ -3880,6 +3881,12 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info)
|
||||
size = scaled_desired_size;
|
||||
else
|
||||
size = icon_info->dir_size * dir_scale * icon_info->scale;
|
||||
|
||||
if (size == 0)
|
||||
source_pixbuf = _gdk_pixbuf_new_from_resource_scaled (icon_info->filename,
|
||||
icon_info->desired_scale,
|
||||
&icon_info->load_error);
|
||||
else
|
||||
source_pixbuf = gdk_pixbuf_new_from_resource_at_scale (icon_info->filename,
|
||||
size, size, TRUE,
|
||||
&icon_info->load_error);
|
||||
@ -3910,6 +3917,12 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info)
|
||||
size = scaled_desired_size;
|
||||
else
|
||||
size = icon_info->dir_size * dir_scale * icon_info->scale;
|
||||
if (size == 0)
|
||||
source_pixbuf = _gdk_pixbuf_new_from_stream_scaled (stream,
|
||||
icon_info->desired_scale,
|
||||
NULL,
|
||||
&icon_info->load_error);
|
||||
else
|
||||
source_pixbuf = gdk_pixbuf_new_from_stream_at_scale (stream,
|
||||
size, size,
|
||||
TRUE, NULL,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user