misc/mediasource/extra/netradiant-src/libs/gtkutil/image.cpp

   1 /*
   2 Copyright (C) 2001-2006, William Joseph.
   3 All Rights Reserved.
   4
   5 This file is part of GtkRadiant.
   6
   7 GtkRadiant is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 GtkRadiant is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GtkRadiant; if not, write to the Free Software
  19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20 */
  21
  22 #include "image.h"
  23
  24 #include <gtk/gtkimage.h>
  25 #include <gtk/gtkstock.h>
  26
  27 #include "string/string.h"
  28 #include "stream/stringstream.h"
  29 #include "stream/textstream.h"
  30
  31
  32 namespace
  33 {
  34   CopiedString g_bitmapsPath;
  35 }
  36
  37 void BitmapsPath_set(const char* path)
  38 {
  39   g_bitmapsPath = path;
  40 }
  41
  42 GdkPixbuf* pixbuf_new_from_file_with_mask(const char* filename)
  43 {
  44   GdkPixbuf* rgb = gdk_pixbuf_new_from_file(filename, 0);
  45   if(rgb == 0)
  46   {
  47     return 0;
  48   }
  49   else
  50   {
  51     GdkPixbuf* rgba = gdk_pixbuf_add_alpha(rgb, TRUE, 255, 0, 255);
  52     gdk_pixbuf_unref(rgb);
  53     return rgba;
  54   }
  55 }
  56
  57 GtkImage* image_new_from_file_with_mask(const char* filename)
  58 {
  59   GdkPixbuf* rgba = pixbuf_new_from_file_with_mask(filename);
  60   if(rgba == 0)
  61   {
  62     return 0;
  63   }
  64   else
  65   {
  66     GtkImage* image = GTK_IMAGE(gtk_image_new_from_pixbuf(rgba));
  67     gdk_pixbuf_unref(rgba);
  68     return image;
  69   }
  70 }
  71
  72 GtkImage* image_new_missing()
  73 {
  74   return GTK_IMAGE(gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_SMALL_TOOLBAR));
  75 }
  76
  77 GtkImage* new_image(const char* filename)
  78 {
  79   {
  80     GtkImage* image = image_new_from_file_with_mask(filename);
  81     if(image != 0)
  82     {
  83       return image;
  84     }
  85   }
  86
  87   return image_new_missing();
  88 }
  89
  90 GtkImage* new_local_image(const char* filename)
  91 {
  92   StringOutputStream fullPath(256);
  93   fullPath << g_bitmapsPath.c_str() << filename;
  94   return new_image(fullPath.c_str());
  95 }
  96