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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2012 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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
* any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPENGL1GRAPHICS_H
#define OPENGL1GRAPHICS_H
#ifdef USE_OPENGL
#include "main.h"
#include "graphics.h"
#include "resources/fboinfo.h"
//#define NO_SDL_GLEXT
#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
#include <GL/glext.h>
class SafeOpenGLGraphics final : public Graphics
{
public:
SafeOpenGLGraphics();
~SafeOpenGLGraphics();
bool setVideoMode(const int w, const int h, const int bpp,
const bool fs, const bool hwaccel,
const bool resize, const bool noFrame);
/**
* Draws a resclaled version of the image
*/
bool drawRescaledImage(Image *const image, int srcX, int srcY,
int dstX, int dstY,
const int width, const int height,
const int desiredWidth, const int desiredHeight,
const bool useColor);
/**
* Used to get the smooth rescale option over the standard function.
*/
bool drawRescaledImage(Image *const image, int srcX, int srcY,
int dstX, int dstY,
const int width, const int height,
const int desiredWidth, const int desiredHeight,
const bool useColor, bool smooth);
void drawImagePattern(const Image *const image,
const int x, const int y,
const int w, const int h);
/**
* Draw a pattern based on a rescaled version of the given image...
*/
void drawRescaledImagePattern(const Image *const image,
const int x, const int y,
const int w, const int h,
const int scaledWidth,
const int scaledHeight);
bool calcImageRect(GraphicsVertexes *const vert,
const int x, const int y,
const int w, const int h,
const Image *const topLeft,
const Image *const topRight,
const Image *const bottomLeft,
const Image *const bottomRight,
const Image *const top,
const Image *const right,
const Image *const bottom,
const Image *const left,
const Image *const center);
void drawImageRect2(GraphicsVertexes *const vert,
const ImageRect &imgRect);
void calcTile(ImageVertexes *const vert, int x, int y);
void drawTile(const ImageVertexes *const vert);
void updateScreen();
void _beginDraw();
void _endDraw();
bool pushClipArea(gcn::Rectangle area);
void popClipArea();
void setColor(const gcn::Color &color);
void drawPoint(int x, int y);
void drawLine(int x1, int y1, int x2, int y2);
void drawRectangle(const gcn::Rectangle &rect, bool filled);
void drawRectangle(const gcn::Rectangle &rect);
void fillRectangle(const gcn::Rectangle &rect);
void setTargetPlane(int width, int height);
/**
* Takes a screenshot and returns it as SDL surface.
*/
SDL_Surface *getScreenshot();
void prepareScreenshot();
static void bindTexture(GLenum target, GLuint texture);
static GLuint mLastImage;
protected:
bool drawImage2(const Image *const image,
int srcX, int srcY,
int dstX, int dstY,
const int width, const int height,
const bool useColor);
void setTexturingAndBlending(bool enable);
private:
void inline setColorAlpha(float alpha);
void inline restoreColor();
bool mAlpha;
bool mTexture;
bool mIsByteColor;
gcn::Color mByteColor;
float mFloatColor;
bool mColorAlpha;
FBOInfo mFbo;
};
#endif
#endif
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