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/gtk.h>
  25
  26 #include "string/string.h"
  27 #include "stream/stringstream.h"
  28 #include "stream/textstream.h"
  29
  30
  31 namespace
  32 {
  33 CopiedString g_bitmapsPath;
  34 }
  35
  36 void BitmapsPath_set( const char* path ){
  37         g_bitmapsPath = path;
  38 }
  39
  40 GdkPixbuf* pixbuf_new_from_file_with_mask( const char* filename ){
  41         GdkPixbuf* rgb = gdk_pixbuf_new_from_file( filename, 0 );
  42         if ( rgb == 0 ) {
  43                 return 0;
  44         }
  45         else
  46         {
  47                 GdkPixbuf* rgba = gdk_pixbuf_add_alpha( rgb, FALSE, 255, 0, 255 );
  48                 g_object_unref( rgb );
  49                 return rgba;
  50         }
  51 }
  52
  53 ui::Image image_new_from_file_with_mask( const char* filename ){
  54         GdkPixbuf* rgba = pixbuf_new_from_file_with_mask( filename );
  55         if ( rgba == 0 ) {
  56                 return ui::Image(0);
  57         }
  58         else
  59         {
  60                 auto image = ui::Image(GTK_IMAGE( gtk_image_new_from_pixbuf( rgba ) ));
  61                 g_object_unref( rgba );
  62                 return image;
  63         }
  64 }
  65
  66 ui::Image image_new_missing(){
  67         return ui::Image(GTK_IMAGE( gtk_image_new_from_stock( GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_SMALL_TOOLBAR ) ));
  68 }
  69
  70 ui::Image new_image( const char* filename ){
  71         if ( auto image = image_new_from_file_with_mask( filename ) ) {
  72                 return image;
  73         }
  74         return image_new_missing();
  75 }
  76
  77 ui::Image new_local_image( const char* filename ){
  78         StringOutputStream fullPath( 256 );
  79         fullPath << g_bitmapsPath.c_str() << filename;
  80         return new_image( fullPath.c_str() );
  81 }