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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) 2011-2013 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 RENDER_SAFEOPENGLGRAPHICS_H
#define RENDER_SAFEOPENGLGRAPHICS_H
#include "main.h"
#if defined USE_OPENGL && !defined ANDROID
#include "render/graphics.h"
#include "resources/fboinfo.h"
#ifdef ANDROID
#include <GLES/gl.h>
#include <GLES/glext.h>
#else
#ifndef USE_SDL2
#define GL_GLEXT_PROTOTYPES 1
#endif
#include <SDL_opengl.h>
#include <GL/glext.h>
#endif
class SafeOpenGLGraphics final : public Graphics
{
public:
SafeOpenGLGraphics();
A_DELETE_COPY(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) override;
/**
* Draws a resclaled version of the image
*/
bool drawRescaledImage(const 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) override;
/**
* Used to get the smooth rescale option over the standard function.
*/
bool drawRescaledImage(const 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) override;
/**
* 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) override;
void calcTile(ImageVertexes *const vert, const Image *const image,
int x, int y) const override;
void calcTile(ImageCollection *const vertCol,
const Image *const image, int x, int y) override;
void calcImagePattern(ImageVertexes *const vert,
const Image *const image,
const int x, const int y,
const int w, const int h) const;
void calcImagePattern(ImageCollection *const vert,
const Image *const image,
const int x, const int y,
const int w, const int h) const;
void drawTile(const ImageVertexes *const vert) override;
void drawTile(const ImageCollection *const vertCol) override;
void updateScreen() override;
bool calcWindow(ImageCollection *const vertCol,
const int x, const int y,
const int w, const int h,
const ImageRect &imgRect);
void _beginDraw();
void _endDraw();
bool pushClipArea(gcn::Rectangle area);
void popClipArea();
void setColor(const gcn::Color &color)
{
mColor = color;
mColor2 = color;
mColorAlpha = (color.a != 255);
}
void setColorAll(const gcn::Color &color, const gcn::Color &color2)
{
mColor = color;
mColor2 = color2;
mColorAlpha = (color.a != 255);
}
void drawPoint(int x, int y);
void drawLine(int x1, int y1, int x2, int y2);
void drawRectangle(const gcn::Rectangle &rect, const bool filled);
void drawRectangle(const gcn::Rectangle &rect);
void fillRectangle(const gcn::Rectangle &rect) override;
void setTargetPlane(int width, int height);
/**
* Takes a screenshot and returns it as SDL surface.
*/
SDL_Surface *getScreenshot() override A_WARN_UNUSED;
void prepareScreenshot() override;
static void bindTexture(const GLenum target, const 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(const bool enable);
private:
void inline setColorAlpha(float alpha);
void inline restoreColor();
bool mTexture;
bool mIsByteColor;
gcn::Color mByteColor;
float mFloatColor;
bool mColorAlpha;
FBOInfo mFbo;
};
#endif
#endif // RENDER_SAFEOPENGLGRAPHICS_H
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