mirror of https://github.com/GNOME/gimp.git
155 lines
3.9 KiB
C
155 lines
3.9 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimppixmap.c
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* Copyright (C) 2000 Michael Natterer <mitch@gimp.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <gtk/gtk.h>
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#include "gimpwidgetstypes.h"
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#undef GIMP_DISABLE_DEPRECATED
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#include "gimppixmap.h"
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static void gimp_pixmap_realize (GtkWidget *widget);
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static void gimp_pixmap_create_from_xpm_d (GimpPixmap *pixmap);
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G_DEFINE_TYPE (GimpPixmap, gimp_pixmap, GTK_TYPE_IMAGE)
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#define parent_class gimp_pixmap_parent_class
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static void
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gimp_pixmap_class_init (GimpPixmapClass *klass)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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widget_class->realize = gimp_pixmap_realize;
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}
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static void
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gimp_pixmap_init (GimpPixmap *pixmap)
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{
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pixmap->xpm_data = NULL;
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}
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/**
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* gimp_pixmap_new:
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* @xpm_data: A pointer to a XPM data structure as found in XPM files.
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*
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* Creates a new #GimpPixmap widget.
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*
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* Returns: A pointer to the new #GimpPixmap widget.
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**/
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GtkWidget *
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gimp_pixmap_new (gchar **xpm_data)
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{
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GimpPixmap *pixmap = g_object_new (GIMP_TYPE_PIXMAP, NULL);
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gimp_pixmap_set (pixmap, xpm_data);
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return GTK_WIDGET (pixmap);
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}
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/**
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* gimp_pixmap_set:
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* @pixmap: The pixmap widget you want to set the new xpm_data for.
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* @xpm_data: A pointer to a XPM data structure as found in XPM files.
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*
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* Sets a new image for an existing #GimpPixmap widget.
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**/
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void
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gimp_pixmap_set (GimpPixmap *pixmap,
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gchar **xpm_data)
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{
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g_return_if_fail (GIMP_IS_PIXMAP (pixmap));
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pixmap->xpm_data = xpm_data;
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GTK_WIDGET (pixmap)->requisition.width = 0;
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GTK_WIDGET (pixmap)->requisition.height = 0;
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if (! GTK_WIDGET_REALIZED (GTK_WIDGET (pixmap)))
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{
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if (xpm_data)
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{
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gint width, height;
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if (sscanf (xpm_data[0], "%d %d", &width, &height) != 2)
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{
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g_warning ("%s: passed pointer is no XPM data", G_STRFUNC);
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}
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else
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{
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GTK_WIDGET (pixmap)->requisition.width =
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width + GTK_MISC (pixmap)->xpad * 2;
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GTK_WIDGET (pixmap)->requisition.height =
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height + GTK_MISC (pixmap)->ypad * 2;
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}
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}
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}
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else
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{
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gimp_pixmap_create_from_xpm_d (pixmap);
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}
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}
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static void
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gimp_pixmap_realize (GtkWidget *widget)
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{
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if (GTK_WIDGET_CLASS (parent_class)->realize)
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GTK_WIDGET_CLASS (parent_class)->realize (widget);
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gimp_pixmap_create_from_xpm_d (GIMP_PIXMAP (widget));
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}
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static void
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gimp_pixmap_create_from_xpm_d (GimpPixmap *pixmap)
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{
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GtkStyle *style;
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GdkPixmap *gdk_pixmap = NULL;
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GdkBitmap *mask = NULL;
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if (pixmap->xpm_data)
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{
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GtkWidget *widget;
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widget = GTK_WIDGET (pixmap);
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style = gtk_widget_get_style (widget);
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gdk_pixmap = gdk_pixmap_create_from_xpm_d (widget->window,
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&mask,
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&style->bg[GTK_STATE_NORMAL],
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pixmap->xpm_data);
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}
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gtk_image_set_from_pixmap (GTK_IMAGE (pixmap), gdk_pixmap, mask);
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if (gdk_pixmap)
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g_object_unref (gdk_pixmap);
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if (mask)
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g_object_unref (mask);
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}
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