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         g_bitmapsPath = path;
  39 }
  40
  41 GdkPixbuf* pixbuf_new_from_file_with_mask( const char* filename ){
  42         GdkPixbuf* rgb = gdk_pixbuf_new_from_file( filename, 0 );
  43         if ( rgb == 0 ) {
  44                 return 0;
  45         }
  46         else
  47         {
  48                 GdkPixbuf* rgba = gdk_pixbuf_add_alpha( rgb, TRUE, 255, 0, 255 );
  49                 gdk_pixbuf_unref( rgb );
  50                 return rgba;
  51         }
  52 }
  53
  54 GtkImage* image_new_from_file_with_mask( const char* filename ){
  55         GdkPixbuf* rgba = pixbuf_new_from_file_with_mask( filename );
  56         if ( rgba == 0 ) {
  57                 return 0;
  58         }
  59         else
  60         {
  61                 GtkImage* image = GTK_IMAGE( gtk_image_new_from_pixbuf( rgba ) );
  62                 gdk_pixbuf_unref( rgba );
  63                 return image;
  64         }
  65 }
  66
  67 GtkImage* image_new_missing(){
  68         return GTK_IMAGE( gtk_image_new_from_stock( GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_SMALL_TOOLBAR ) );
  69 }
  70
  71 GtkImage* new_image( const char* filename ){
  72         {
  73                 GtkImage* image = image_new_from_file_with_mask( filename );
  74                 if ( image != 0 ) {
  75                         return image;
  76                 }
  77         }
  78
  79         return image_new_missing();
  80 }
  81
  82 GtkImage* new_local_image( const char* filename ){
  83         StringOutputStream fullPath( 256 );
  84         fullPath << g_bitmapsPath.c_str() << filename;
  85         return new_image( fullPath.c_str() );
  86 }