gtkradiant/plugins/textool/2DView.h

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/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
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 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
*/
//-----------------------------------------------------------------------------
//
// DESCRIPTION:
// a class to provide basic services for 2D view of a world
// window <-> local 2D space transforms
// snap to grid
// TODO: this one could be placed under an interface, and provided to the editor as a service
#ifndef _2DVIEW_H_
#define _2DVIEW_H_
class C2DView
{
enum E2DViewState { View_Idle, View_Move } ViewState;
int m_xPosMove, m_yPosMove;
float m_MinsMove[2], m_MaxsMove[2];
qboolean m_bDoGrid;
float m_GridStep[2];
qboolean m_bPopup;
public:
RECT m_rect;
float m_Mins[2],m_Maxs[2],m_Center[2];
C2DView()
{
ViewState = View_Idle;
m_bDoGrid = false;
m_bPopup = false;
}
~C2DView() { }
void SetGrid( float xGridStep, float yGridStep )
{ m_bDoGrid = true; m_GridStep[0] = xGridStep; m_GridStep[1] = yGridStep; }
// get window coordinates for space coordinates
void WindowForSpace( int &x, int &y, const float c[2]);
void SpaceForWindow( float c[2], int x, int y);
void GridForWindow( float c[2], int x, int y);
qboolean DoesSelect( int x, int y, float c[2] );
void PreparePaint();
bool OnRButtonDown (int x, int y);
bool OnMouseMove (int x, int y);
bool OnRButtonUp (int x, int y);
bool OnKeyDown (char *s);
void ZoomIn();
void ZoomOut();
};
#endif