Initial revision
This commit is contained in:
Hans Lambermont
275
source/gameengine/GamePlayer/common/GPC_Canvas.h
Normal file
275
source/gameengine/GamePlayer/common/GPC_Canvas.h
Normal file
@@ -0,0 +1,275 @@
|
||||
/**
|
||||
* $Id$
|
||||
*
|
||||
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
|
||||
*
|
||||
* This program 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. The Blender
|
||||
* Foundation also sells licenses for use in proprietary software under
|
||||
* the Blender License. See http://www.blender.org/BL/ for information
|
||||
* about this.
|
||||
*
|
||||
* This program 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 this program; if not, write to the Free Software Foundation,
|
||||
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
|
||||
* All rights reserved.
|
||||
*
|
||||
* The Original Code is: all of this file.
|
||||
*
|
||||
* Contributor(s): none yet.
|
||||
*
|
||||
* ***** END GPL/BL DUAL LICENSE BLOCK *****
|
||||
*/
|
||||
|
||||
#ifndef _GPC_CANVAS_H_
|
||||
#define _GPC_CANVAS_H_
|
||||
|
||||
#include "RAS_ICanvas.h"
|
||||
#include "RAS_Rect.h"
|
||||
|
||||
#if defined(WIN32) || defined(__APPLE__)
|
||||
#ifdef WIN32
|
||||
#pragma warning (disable:4786) // suppress stl-MSVC debug info warning
|
||||
#include <windows.h>
|
||||
#include <GL/gl.h>
|
||||
#else // WIN32
|
||||
// __APPLE__ is defined
|
||||
#include <AGL/gl.h>
|
||||
#endif // WIN32
|
||||
#else //defined(WIN32) || defined(__APPLE__)
|
||||
#include <GL/gl.h>
|
||||
#endif //defined(WIN32) || defined(__APPLE__)
|
||||
|
||||
#include <map>
|
||||
|
||||
|
||||
class GPC_Canvas : public RAS_ICanvas
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* Used to position banners in the canvas.
|
||||
*/
|
||||
typedef enum {
|
||||
alignTopLeft,
|
||||
alignBottomRight
|
||||
} TBannerAlignment;
|
||||
|
||||
typedef int TBannerId;
|
||||
|
||||
protected:
|
||||
/**
|
||||
* Used to store info for banners drawn on top of the canvas.
|
||||
*/
|
||||
typedef struct {
|
||||
/** Where the banner will be displayed. */
|
||||
TBannerAlignment alignment;
|
||||
/** Banner display enabled. */
|
||||
bool enabled;
|
||||
/** Banner display width. */
|
||||
unsigned int displayWidth;
|
||||
/** Banner display height. */
|
||||
unsigned int displayHeight;
|
||||
/** Banner image width. */
|
||||
unsigned int imageWidth;
|
||||
/** Banner image height. */
|
||||
unsigned int imageHeight;
|
||||
/** Banner image data. */
|
||||
unsigned char* imageData;
|
||||
/** Banner OpenGL texture name. */
|
||||
unsigned int textureName;
|
||||
} TBannerData;
|
||||
typedef std::map<TBannerId, TBannerData> TBannerMap;
|
||||
|
||||
/** Width of the context. */
|
||||
int m_width;
|
||||
/** Height of the context. */
|
||||
int m_height;
|
||||
/** Rect that defines the area used for rendering,
|
||||
relative to the context */
|
||||
RAS_Rect m_displayarea;
|
||||
|
||||
/** Storage for the banners to display. */
|
||||
TBannerMap m_banners;
|
||||
/** State of banner display. */
|
||||
bool m_bannersEnabled;
|
||||
|
||||
public:
|
||||
|
||||
GPC_Canvas(int width, int height);
|
||||
|
||||
virtual ~GPC_Canvas();
|
||||
|
||||
void Resize(int width, int height);
|
||||
|
||||
|
||||
/**
|
||||
* @section Methods inherited from abstract base class RAS_ICanvas.
|
||||
*/
|
||||
|
||||
int
|
||||
GetWidth(
|
||||
) const {
|
||||
return m_width;
|
||||
}
|
||||
|
||||
int
|
||||
GetHeight(
|
||||
) const {
|
||||
return m_height;
|
||||
}
|
||||
|
||||
const
|
||||
RAS_Rect &
|
||||
GetDisplayArea(
|
||||
) const {
|
||||
return m_displayarea;
|
||||
};
|
||||
|
||||
RAS_Rect &
|
||||
GetDisplayArea(
|
||||
) {
|
||||
return m_displayarea;
|
||||
};
|
||||
|
||||
void
|
||||
BeginFrame(
|
||||
) {};
|
||||
|
||||
/**
|
||||
* Draws overlay banners and progress bars.
|
||||
*/
|
||||
void
|
||||
EndFrame(
|
||||
);
|
||||
|
||||
void SetViewPort(int x1, int y1, int x2, int y2);
|
||||
|
||||
void ClearColor(float r, float g, float b, float a);
|
||||
|
||||
/**
|
||||
* @section Methods inherited from abstract base class RAS_ICanvas.
|
||||
* Semantics are not yet honoured.
|
||||
*/
|
||||
|
||||
void SetMouseState(RAS_MouseState mousestate)
|
||||
{
|
||||
// not yet
|
||||
}
|
||||
|
||||
void SetMousePosition(int x, int y)
|
||||
{
|
||||
// not yet
|
||||
}
|
||||
|
||||
void MakeScreenShot(const char* filename)
|
||||
{
|
||||
// not yet
|
||||
}
|
||||
|
||||
void ClearBuffer(int type);
|
||||
|
||||
/**
|
||||
* @section Services provided by this class.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Enables display of a banner.
|
||||
* The image data is copied inside.
|
||||
* @param bannerWidth Display width of the banner.
|
||||
* @param bannerHeight Display height of the banner.
|
||||
* @param imageWidth Width of the banner image in pixels.
|
||||
* @param imageHeight Height of the banner image in pixels.
|
||||
* @param imageData Pointer to the pixels of the image to display.
|
||||
* @param alignement Where the banner will be positioned on the canvas.
|
||||
* @param enabled Whether the banner will be displayed intiallly.
|
||||
* @return A banner id.
|
||||
*/
|
||||
TBannerId AddBanner(
|
||||
unsigned int bannerWidth, unsigned int bannerHeight,
|
||||
unsigned int imageWidth, unsigned int imageHeight,
|
||||
unsigned char* imageData, TBannerAlignment alignment = alignTopLeft,
|
||||
bool enabled = true);
|
||||
|
||||
/**
|
||||
* Disposes a banner.
|
||||
* @param id Bannner to be disposed.
|
||||
*/
|
||||
void DisposeBanner(TBannerId id);
|
||||
|
||||
/**
|
||||
* Disposes all the banners.
|
||||
*/
|
||||
void DisposeAllBanners();
|
||||
|
||||
/**
|
||||
* Enables or disables display of a banner.
|
||||
* @param id Banner id of the banner to be enabled/disabled.
|
||||
* @param enabled New state of the banner.
|
||||
*/
|
||||
void SetBannerEnabled(TBannerId id, bool enabled = true);
|
||||
|
||||
/**
|
||||
* Enables or disables display of all banners.
|
||||
* @param enabled New state of the banners.
|
||||
*/
|
||||
void SetBannerDisplayEnabled(bool enabled = true);
|
||||
|
||||
protected:
|
||||
/**
|
||||
* Disposes a banner.
|
||||
* @param it Bannner to be disposed.
|
||||
*/
|
||||
void DisposeBanner(TBannerData& banner);
|
||||
|
||||
/**
|
||||
* Draws all the banners enabled.
|
||||
*/
|
||||
void DrawAllBanners(void);
|
||||
|
||||
/**
|
||||
* Draws a banner.
|
||||
*/
|
||||
void DrawBanner(TBannerData& banner);
|
||||
|
||||
struct CanvasRenderState {
|
||||
int oldLighting;
|
||||
int oldDepthTest;
|
||||
int oldFog;
|
||||
int oldTexture2D;
|
||||
int oldBlend;
|
||||
int oldBlendSrc;
|
||||
int oldBlendDst;
|
||||
float oldColor[4];
|
||||
int oldWriteMask;
|
||||
};
|
||||
|
||||
void
|
||||
PushRenderState(
|
||||
CanvasRenderState & render_state
|
||||
);
|
||||
void
|
||||
PopRenderState(
|
||||
const CanvasRenderState & render_state
|
||||
);
|
||||
|
||||
/**
|
||||
* Set up an orthogonal viewing,model and texture matrix
|
||||
* for banners and progress bars.
|
||||
*/
|
||||
void
|
||||
SetOrthoProjection(
|
||||
);
|
||||
|
||||
static TBannerId s_bannerId;
|
||||
};
|
||||
|
||||
#endif // _GPC_CANVAS_H_
|
||||
Reference in New Issue
Block a user