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// ==============================================================
// This file is part of Glest Shared Library (www.glest.org)
//
// Copyright (C) 2001-2008 Martiño Figueroa
//
// You can redistribute this code 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
// ==============================================================
#ifndef _SHARED_GRAPHICS_TEXTURE_H_
#define _SHARED_GRAPHICS_TEXTURE_H_
#include "data_types.h"
#include "pixmap.h"
#include <string>
#include "leak_dumper.h"
using std::string;
using Shared::Platform::uint8;
struct SDL_Surface;
namespace Shared{ namespace Graphics{
class TextureParams;
// =====================================================
// class Texture
// =====================================================
class Texture {
public:
static const int defaultSize;
static const int defaultComponents;
static bool useTextureCompression;
enum WrapMode{
wmRepeat,
wmClamp,
wmClampToEdge
};
enum Filter{
fBilinear,
fTrilinear
};
enum Format{
fAuto,
fAlpha,
fLuminance,
fRgb,
fRgba
};
protected:
string path;
bool mipmap;
WrapMode wrapMode;
bool pixmapInit;
Format format;
bool inited;
bool forceCompressionDisabled;
int textureSystemId;
public:
Texture();
virtual ~Texture(){};
bool getMipmap() const {return mipmap;}
WrapMode getWrapMode() const {return wrapMode;}
bool getPixmapInit() const {return pixmapInit;}
Format getFormat() const {return format;}
bool getInited() const {return inited;}
int getTextureSystemId() const { return textureSystemId; }
void setTextureSystemId(int id) { textureSystemId = id; }
void setMipmap(bool mipmap) {this->mipmap= mipmap;}
void setWrapMode(WrapMode wrapMode) {this->wrapMode= wrapMode;}
void setPixmapInit(bool pixmapInit) {this->pixmapInit= pixmapInit;}
void setFormat(Format format) {this->format= format;}
virtual void init(Filter filter= fBilinear, int maxAnisotropy= 1)=0;
virtual void end(bool deletePixelBuffer=true)=0;
virtual string getPath() const = 0;
virtual void deletePixels() = 0;
virtual std::size_t getPixelByteCount() const = 0;
virtual void reseInitState() { inited = false; }
virtual void setForceCompressionDisabled(bool value) { forceCompressionDisabled = value;}
virtual bool getForceCompressionDisabled() const {return forceCompressionDisabled;}
virtual uint32 getCRC() = 0;
};
// =====================================================
// class Texture1D
// =====================================================
class Texture1D: public Texture {
protected:
Pixmap1D pixmap;
public:
void load(const string &path);
Pixmap1D *getPixmap() {return &pixmap;}
const Pixmap1D *getPixmap() const {return &pixmap;}
virtual string getPath() const;
virtual void deletePixels();
virtual std::size_t getPixelByteCount() const {return pixmap.getPixelByteCount();}
virtual int getTextureWidth() const {return pixmap.getW();}
virtual int getTextureHeight() const {return -1;}
virtual uint32 getCRC() { return pixmap.getCRC()->getSum(); }
};
// =====================================================
// class Texture2D
// =====================================================
class Texture2D: public Texture {
protected:
Pixmap2D pixmap;
public:
void load(const string &path);
Pixmap2D *getPixmap() {return &pixmap;}
const Pixmap2D *getPixmapConst() const {return &pixmap;}
virtual string getPath() const;
virtual void deletePixels();
virtual std::size_t getPixelByteCount() const {return pixmap.getPixelByteCount();}
virtual int getTextureWidth() const {return pixmap.getW();}
virtual int getTextureHeight() const {return pixmap.getH();}
virtual uint32 getCRC() { return pixmap.getCRC()->getSum(); }
std::pair<SDL_Surface*,unsigned char*> CreateSDLSurface(bool newPixelData) const;
};
// =====================================================
// class Texture3D
// =====================================================
class Texture3D: public Texture {
protected:
Pixmap3D pixmap;
public:
void loadSlice(const string &path, int slice);
Pixmap3D *getPixmap() {return &pixmap;}
const Pixmap3D *getPixmap() const {return &pixmap;}
virtual string getPath() const;
virtual void deletePixels();
virtual std::size_t getPixelByteCount() const {return pixmap.getPixelByteCount();}
virtual int getTextureWidth() const {return pixmap.getW();}
virtual int getTextureHeight() const {return pixmap.getH();}
virtual uint32 getCRC() { return pixmap.getCRC()->getSum(); }
};
// =====================================================
// class TextureCube
// =====================================================
class TextureCube: public Texture{
protected:
PixmapCube pixmap;
public:
void loadFace(const string &path, int face);
PixmapCube *getPixmap() {return &pixmap;}
const PixmapCube *getPixmap() const {return &pixmap;}
virtual string getPath() const;
virtual void deletePixels();
virtual std::size_t getPixelByteCount() const {return pixmap.getPixelByteCount();}
virtual int getTextureWidth() const {return -1;}
virtual int getTextureHeight() const {return -1;}
virtual uint32 getCRC() { return pixmap.getCRC()->getSum(); }
};
}}//end namespace
#endif
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