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https://github.com/vcmi/vcmi.git
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182 lines
9.8 KiB
C++
182 lines
9.8 KiB
C++
#ifndef __SDL_EXTENSIONS_H__
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#define __SDL_EXTENSIONS_H__
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#include "../global.h"
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#include "SDL_video.h"
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#include "SDL_ttf.h"
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#include <string>
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#include <vector>
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#include <sstream>
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#include "FontBase.h"
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/*
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* SDL_Extensions.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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//A macro to force inlining some of our functions. Compiler (at least MSVC) is not so smart here-> without that displaying is MUCH slower
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#ifdef _MSC_VER
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#define STRONG_INLINE __forceinline
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#elif __GNUC__
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#define STRONG_INLINE __attribute__((always_inline))
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#else
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#define STRONG_INLINE inline
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#endif
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struct Rect;
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extern SDL_Surface * screen, *screen2, *screenBuf;
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extern SDL_Color tytulowy, tlo, zwykly ;
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void blitAt(SDL_Surface * src, int x, int y, SDL_Surface * dst=screen);
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void blitAt(SDL_Surface * src, const SDL_Rect & pos, SDL_Surface * dst=screen);
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void updateRect (SDL_Rect * rect, SDL_Surface * scr = screen);
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bool isItIn(const SDL_Rect * rect, int x, int y);
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template<typename IntType>
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std::string makeNumberShort(IntType number) //the output is a string containing at most 5 characters [4 if positive] (eg. intead 10000 it gives 10k)
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{
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int initialLength;
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bool negative = (number < 0);
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std::ostringstream ost, rets;
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ost<<number;
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initialLength = ost.str().size();
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if(negative)
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{
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if(initialLength <= 4)
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return ost.str();
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}
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else
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{
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if(initialLength <= 5)
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return ost.str();
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}
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//make the number short
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char symbol[] = {'G', 'M', 'k'};
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if(negative) number = (-number); //absolute value
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for(int divisor = 1000000000, it = 0; divisor > 1; divisor /= 1000, ++it)
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{
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if(number >= divisor)
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{
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if(negative) rets <<'-';
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rets << (number / divisor) << symbol[it];
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return rets.str();
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}
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}
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throw std::string("We shouldn't be here - makeNumberShort");
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}
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typedef void (*TColorPutter)(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B);
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typedef void (*TColorPutterAlpha)(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A);
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inline SDL_Rect genRect(const int & hh, const int & ww, const int & xx, const int & yy)
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{
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SDL_Rect ret;
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ret.h=hh;
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ret.w=ww;
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ret.x=xx;
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ret.y=yy;
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return ret;
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}
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//TODO: inlining will work only if functions are defined in each compilation unit (like placing them in headers)
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//however here PutColor defined in SDL_Extensions.cpp, but used in CAnimation.cpp and CCreatureAnimation.cpp
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template<int bpp, int incrementPtr>
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struct ColorPutter
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{
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static STRONG_INLINE void PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B);
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static STRONG_INLINE void PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A);
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static STRONG_INLINE void PutColorAlphaSwitch(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A);
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static STRONG_INLINE void PutColor(Uint8 *&ptr, const SDL_Color & Color);
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static STRONG_INLINE void PutColorAlpha(Uint8 *&ptr, const SDL_Color & Color);
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static STRONG_INLINE void PutColorRow(Uint8 *&ptr, const SDL_Color & Color, size_t count);
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};
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template <int incrementPtr>
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struct ColorPutter<2, incrementPtr>
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{
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static STRONG_INLINE void PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B);
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static STRONG_INLINE void PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A);
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static STRONG_INLINE void PutColorAlphaSwitch(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A);
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static STRONG_INLINE void PutColor(Uint8 *&ptr, const SDL_Color & Color);
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static STRONG_INLINE void PutColorAlpha(Uint8 *&ptr, const SDL_Color & Color);
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static STRONG_INLINE void PutColorRow(Uint8 *&ptr, const SDL_Color & Color, size_t count);
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};
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typedef void (*BlitterWithRotationVal)(SDL_Surface *src,SDL_Rect srcRect, SDL_Surface * dst, SDL_Rect dstRect, ui8 rotation);
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namespace CSDL_Ext
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{
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void blitSurface(SDL_Surface * src, SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect);
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void fillRect(SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color);
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extern SDL_Surface * std32bppSurface;
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void SDL_PutPixelWithoutRefresh(SDL_Surface *ekran, const int & x, const int & y, const Uint8 & R, const Uint8 & G, const Uint8 & B, Uint8 A = 255);
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void SDL_PutPixelWithoutRefreshIfInSurf(SDL_Surface *ekran, const int & x, const int & y, const Uint8 & R, const Uint8 & G, const Uint8 & B, Uint8 A = 255);
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SDL_Surface * rotate01(SDL_Surface * toRot); //vertical flip
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SDL_Surface * hFlip(SDL_Surface * toRot); //horizontal flip
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SDL_Surface * rotate02(SDL_Surface * toRot); //rotate 90 degrees left
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SDL_Surface * rotate03(SDL_Surface * toRot); //rotate 180 degrees
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SDL_Cursor * SurfaceToCursor(SDL_Surface *image, int hx, int hy); //creates cursor from bitmap
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Uint32 SDL_GetPixel(SDL_Surface *surface, const int & x, const int & y, bool colorByte = false);
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SDL_Color SDL_GetPixelColor(SDL_Surface *surface, int x, int y); //returns color of pixel at given position
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void alphaTransform(SDL_Surface * src); //adds transparency and shadows (partial handling only; see examples of using for details)
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bool isTransparent(SDL_Surface * srf, int x, int y); //checks if surface is transparent at given position
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Uint8 *getPxPtr(const SDL_Surface * const &srf, const int & x, const int & y);
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const TColorPutter getPutterFor(SDL_Surface * const &dest, int incrementing); //incrementing: -1, 0, 1
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const TColorPutterAlpha getPutterAlphaFor(SDL_Surface * const &dest, int incrementing); //incrementing: -1, 0, 1
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BlitterWithRotationVal getBlitterWithRotation(SDL_Surface *dest);
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BlitterWithRotationVal getBlitterWithRotationAndAlpha(SDL_Surface *dest);
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template<int bpp> void blitWithRotateClip(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect, ui8 rotation);//srcRect is not used, works with 8bpp sources and 24bpp dests preserving clip_rect
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template<int bpp> void blitWithRotateClipVal(SDL_Surface *src,SDL_Rect srcRect, SDL_Surface * dst, SDL_Rect dstRect, ui8 rotation);//srcRect is not used, works with 8bpp sources and 24bpp dests preserving clip_rect
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template<int bpp> void blitWithRotateClipWithAlpha(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect, ui8 rotation);//srcRect is not used, works with 8bpp sources and 24bpp dests preserving clip_rect
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template<int bpp> void blitWithRotateClipValWithAlpha(SDL_Surface *src,SDL_Rect srcRect, SDL_Surface * dst, SDL_Rect dstRect, ui8 rotation);//srcRect is not used, works with 8bpp sources and 24bpp dests preserving clip_rect
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template<int bpp> void blitWithRotate1(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect);//srcRect is not used, works with 8bpp sources and 24bpp dests
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template<int bpp> void blitWithRotate2(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect);//srcRect is not used, works with 8bpp sources and 24bpp dests
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template<int bpp> void blitWithRotate3(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect);//srcRect is not used, works with 8bpp sources and 24bpp dests
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template<int bpp> void blitWithRotate1WithAlpha(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect);//srcRect is not used, works with 8bpp sources and 24bpp dests
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template<int bpp> void blitWithRotate2WithAlpha(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect);//srcRect is not used, works with 8bpp sources and 24bpp dests
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template<int bpp> void blitWithRotate3WithAlpha(const SDL_Surface *src, const SDL_Rect * srcRect, SDL_Surface * dst, const SDL_Rect * dstRect);//srcRect is not used, works with 8bpp sources and 24bpp dests
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template<int bpp>
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int blit8bppAlphaTo24bppT(const SDL_Surface * src, const SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect); //blits 8 bpp surface with alpha channel to 24 bpp surface
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int blit8bppAlphaTo24bpp(const SDL_Surface * src, const SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect); //blits 8 bpp surface with alpha channel to 24 bpp surface
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Uint32 colorToUint32(const SDL_Color * color); //little endian only
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void printAtWB(const std::string & text, int x, int y, EFonts font, int charpr, SDL_Color kolor=zwykly, SDL_Surface * dst=screen);
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void printAt(const std::string & text, int x, int y, EFonts font, SDL_Color kolor=zwykly, SDL_Surface * dst=screen);
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void printTo(const std::string & text, int x, int y, EFonts font, SDL_Color kolor=zwykly, SDL_Surface * dst=screen);
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void printAtMiddle(const std::string & text, int x, int y, EFonts font, SDL_Color kolor=zwykly, SDL_Surface * dst=screen);
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void printAtMiddleWB(const std::string & text, int x, int y, EFonts font, int charpr, SDL_Color kolor=tytulowy, SDL_Surface * dst=screen);
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void update(SDL_Surface * what = screen); //updates whole surface (default - main screen)
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void drawBorder(SDL_Surface * sur, int x, int y, int w, int h, const int3 &color);
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void drawBorder(SDL_Surface * sur, const SDL_Rect &r, const int3 &color);
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void drawDashedBorder(SDL_Surface * sur, const Rect &r, const int3 &color);
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void setPlayerColor(SDL_Surface * sur, unsigned char player); //sets correct color of flags; -1 for neutral
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std::string processStr(std::string str, std::vector<std::string> & tor); //replaces %s in string
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SDL_Surface * newSurface(int w, int h, SDL_Surface * mod=screen); //creates new surface, with flags/format same as in surface given
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SDL_Surface * copySurface(SDL_Surface * mod); //returns copy of given surface
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void VflipSurf(SDL_Surface * surf); //fluipis given surface by vertical axis
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void applyEffect(SDL_Surface * surf, const SDL_Rect * rect, int mode); //mode: 0 - sepia, 1 - grayscale
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};
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#endif // __SDL_EXTENSIONS_H__
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