/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
+ Copyright (C) 2001-2006, William Joseph.
+ All Rights Reserved.
-This file is part of GtkRadiant.
+ This file is part of GtkRadiant.
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ GtkRadiant is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-GtkRadiant 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 General Public License for more details.
+ GtkRadiant 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 General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ You should have received a copy of the GNU General Public License
+ along with GtkRadiant; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
-#if !defined (INCLUDED_XORRECTANGLE_H)
+#if !defined ( INCLUDED_XORRECTANGLE_H )
#define INCLUDED_XORRECTANGLE_H
#include <gtk/gtkwidget.h>
class rectangle_t
{
public:
- rectangle_t()
- : x(0), y(0), w(0), h(0)
- {}
- rectangle_t(float _x, float _y, float _w, float _h)
- : x(_x), y(_y), w(_w), h(_h)
- {}
- float x;
- float y;
- float w;
- float h;
+rectangle_t()
+ : x( 0 ), y( 0 ), w( 0 ), h( 0 )
+{}
+rectangle_t( float _x, float _y, float _w, float _h )
+ : x( _x ), y( _y ), w( _w ), h( _h )
+{}
+float x;
+float y;
+float w;
+float h;
};
struct Coord2D
{
- float x, y;
- Coord2D(float _x, float _y)
- : x(_x), y(_y)
- {
- }
+ float x, y;
+ Coord2D( float _x, float _y )
+ : x( _x ), y( _y ){
+ }
};
-inline Coord2D coord2d_device2screen(const Coord2D& coord, unsigned int width, unsigned int height)
-{
- return Coord2D(((coord.x + 1.0f) * 0.5f) * width, ((coord.y + 1.0f) * 0.5f) * height);
+inline Coord2D coord2d_device2screen( const Coord2D& coord, unsigned int width, unsigned int height ){
+ return Coord2D( ( ( coord.x + 1.0f ) * 0.5f ) * width, ( ( coord.y + 1.0f ) * 0.5f ) * height );
}
-inline rectangle_t rectangle_from_area(const float min[2], const float max[2], unsigned int width, unsigned int height)
-{
- Coord2D botleft(coord2d_device2screen(Coord2D(min[0], min[1]), width, height));
- Coord2D topright(coord2d_device2screen(Coord2D(max[0], max[1]), width, height));
- return rectangle_t(botleft.x, botleft.y, topright.x - botleft.x, topright.y - botleft.y);
+inline rectangle_t rectangle_from_area( const float min[2], const float max[2], unsigned int width, unsigned int height ){
+ Coord2D botleft( coord2d_device2screen( Coord2D( min[0], min[1] ), width, height ) );
+ Coord2D topright( coord2d_device2screen( Coord2D( max[0], max[1] ), width, height ) );
+ return rectangle_t( botleft.x, botleft.y, topright.x - botleft.x, topright.y - botleft.y );
}
class XORRectangle
{
- rectangle_t m_rectangle;
-
- GtkWidget* m_widget;
- GdkGC* m_gc;
-
- bool initialised() const
- {
- return m_gc != 0;
- }
- void lazy_init()
- {
- if(!initialised())
- {
- m_gc = gdk_gc_new(m_widget->window);
-
- GdkColor color = { 0, 0xffff, 0xffff, 0xffff, };
- GdkColormap* colormap = gdk_window_get_colormap(m_widget->window);
- gdk_colormap_alloc_color (colormap, &color, FALSE, TRUE);
- gdk_gc_copy(m_gc, m_widget->style->white_gc);
- gdk_gc_set_foreground(m_gc, &color);
- gdk_gc_set_background(m_gc, &color);
-
- gdk_gc_set_function(m_gc, GDK_INVERT);
- }
- }
- void draw() const
- {
- const int x = float_to_integer(m_rectangle.x);
- const int y = float_to_integer(m_rectangle.y);
- const int w = float_to_integer(m_rectangle.w);
- const int h = float_to_integer(m_rectangle.h);
- gdk_draw_rectangle(m_widget->window, m_gc, FALSE, x, -(h) - (y - m_widget->allocation.height), w, h);
- }
+rectangle_t m_rectangle;
+
+GtkWidget* m_widget;
+GdkGC* m_gc;
+
+bool initialised() const {
+ return m_gc != 0;
+}
+void lazy_init(){
+ if ( !initialised() ) {
+ m_gc = gdk_gc_new( m_widget->window );
+
+ GdkColor color = { 0, 0xffff, 0xffff, 0xffff, };
+ GdkColormap* colormap = gdk_window_get_colormap( m_widget->window );
+ gdk_colormap_alloc_color( colormap, &color, FALSE, TRUE );
+ gdk_gc_copy( m_gc, m_widget->style->white_gc );
+ gdk_gc_set_foreground( m_gc, &color );
+ gdk_gc_set_background( m_gc, &color );
+
+ gdk_gc_set_function( m_gc, GDK_INVERT );
+ }
+}
+void draw() const {
+ const int x = float_to_integer( m_rectangle.x );
+ const int y = float_to_integer( m_rectangle.y );
+ const int w = float_to_integer( m_rectangle.w );
+ const int h = float_to_integer( m_rectangle.h );
+ gdk_draw_rectangle( m_widget->window, m_gc, FALSE, x, -( h ) - ( y - m_widget->allocation.height ), w, h );
+}
public:
- XORRectangle(GtkWidget* widget) : m_widget(widget), m_gc(0)
- {
- }
- ~XORRectangle()
- {
- if(initialised())
- {
- gdk_gc_unref(m_gc);
- }
- }
- void set(rectangle_t rectangle)
- {
- if(GTK_WIDGET_REALIZED(m_widget))
- {
- lazy_init();
- draw();
- m_rectangle = rectangle;
- draw();
- }
- }
+XORRectangle( GtkWidget* widget ) : m_widget( widget ), m_gc( 0 ){
+}
+~XORRectangle(){
+ if ( initialised() ) {
+ gdk_gc_unref( m_gc );
+ }
+}
+void set( rectangle_t rectangle ){
+ if ( GTK_WIDGET_REALIZED( m_widget ) ) {
+ lazy_init();
+ draw();
+ m_rectangle = rectangle;
+ draw();
+ }
+}
};