mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-22 22:13:35 +02:00
c96dab5c7e
* minor changes
1280 lines
34 KiB
C++
1280 lines
34 KiB
C++
#include "../stdafx.h"
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#include "SDL_Extensions.h"
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#include "SDL_ttf.h"
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#include "CGameInfo.h"
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#include <iostream>
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#include <utility>
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#include <algorithm>
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#include "CMessage.h"
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#include <boost/algorithm/string.hpp>
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#include "../hch/CDefHandler.h"
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#include <map>
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#include "Graphics.h"
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#include "GUIBase.h"
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/*
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* SDL_Extensions.cpp, 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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template<int bpp, int incrementPtr>
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STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColorAlpha(Uint8 *&ptr, const SDL_Color & Color)
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{
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PutColor(ptr, Color.r, Color.g, Color.b, Color.unused);
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}
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template<int bpp, int incrementPtr>
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STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColor(Uint8 *&ptr, const SDL_Color & Color)
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{
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PutColor(ptr, Color.r, Color.g, Color.b);
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}
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template<int bpp, int incrementPtr>
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STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColorAlphaSwitch(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A)
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{
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switch (A)
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{
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case 255:
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ptr += bpp * incrementPtr;
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return;
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case 0:
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PutColor(ptr, R, G, B);
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return;
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case 128: // optimized
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PutColor(ptr, ((Uint16)R + (Uint16)ptr[2]) >> 1,
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((Uint16)G + (Uint16)ptr[1]) >> 1,
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((Uint16)B + (Uint16)ptr[0]) >> 1);
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return;
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default:
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PutColor(ptr, R, G, B, A);
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return;
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}
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}
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template<int bpp, int incrementPtr>
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STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A)
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{
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PutColor(ptr, (((Uint32)ptr[2]-(Uint32)R)*(Uint32)A) >> 8 + (Uint32)R,
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(((Uint32)ptr[1]-(Uint32)G)*(Uint32)A) >> 8 + (Uint32)G,
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(((Uint32)ptr[0]-(Uint32)B)*(Uint32)A) >> 8 + (Uint32)B);
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}
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template<int bpp, int incrementPtr>
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STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B)
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{
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if(incrementPtr == 0)
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{
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ptr[0] = B;
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ptr[1] = G;
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ptr[2] = R;
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}
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else if(incrementPtr == 1)
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{
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*ptr++ = B;
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*ptr++ = G;
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*ptr++ = R;
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if(bpp == 4)
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*ptr++ = 0;
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}
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else if(incrementPtr == -1)
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{
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if(bpp == 4)
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*(--ptr) = 0;
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*(--ptr) = R;
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*(--ptr) = G;
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*(--ptr) = B;
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}
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else
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{
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assert(0);
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}
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}
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template <int incrementPtr>
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STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B)
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{
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if(incrementPtr == -1)
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ptr -= 2;
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Uint16 * const px = (Uint16*)ptr;
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*px = (B>>3) + ((G>>2) << 5) + ((R>>3) << 11); //drop least significant bits of 24 bpp encoded color
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if(incrementPtr == 1)
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ptr += 2; //bpp
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}
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template <int incrementPtr>
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STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColorAlphaSwitch(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A)
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{
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switch (A)
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{
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case 255:
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ptr += 2 * incrementPtr;
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return;
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case 0:
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PutColor(ptr, R, G, B);
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return;
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default:
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PutColor(ptr, R, G, B, A);
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return;
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}
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}
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template <int incrementPtr>
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STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A)
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{
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const int rbit = 5, gbit = 6, bbit = 5; //bits per color
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const int rmask = 0xF800, gmask = 0x7E0, bmask = 0x1F;
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const int rshift = 11, gshift = 5, bshift = 0;
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const Uint8 r5 = (*((Uint16 *)ptr) & rmask) >> rshift,
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b5 = (*((Uint16 *)ptr) & bmask) >> bshift,
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g5 = (*((Uint16 *)ptr) & gmask) >> gshift;
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const Uint32 r8 = (r5 << (8 - rbit)) | (r5 >> (2*rbit - 8)),
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g8 = (g5 << (8 - gbit)) | (g5 >> (2*gbit - 8)),
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b8 = (b5 << (8 - bbit)) | (b5 >> (2*bbit - 8));
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PutColor(ptr,
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(((r8-R)*A) >> 8) + R,
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(((g8-G)*A) >> 8) + G,
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(((b8-B)*A) >> 8) + B);
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}
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template <int incrementPtr>
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STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColorAlpha(Uint8 *&ptr, const SDL_Color & Color)
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{
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PutColor(ptr, Color.r, Color.g, Color.b, Color.unused);
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}
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template <int incrementPtr>
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STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColor(Uint8 *&ptr, const SDL_Color & Color)
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{
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PutColor(ptr, Color.r, Color.g, Color.b);
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}
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SDL_Surface * CSDL_Ext::newSurface(int w, int h, SDL_Surface * mod) //creates new surface, with flags/format same as in surface given
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{
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return SDL_CreateRGBSurface(mod->flags,w,h,mod->format->BitsPerPixel,mod->format->Rmask,mod->format->Gmask,mod->format->Bmask,mod->format->Amask);
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}
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SDL_Surface * CSDL_Ext::copySurface(SDL_Surface * mod) //returns copy of given surface
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{
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//return SDL_DisplayFormat(mod);
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return SDL_ConvertSurface(mod, mod->format, mod->flags);
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}
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bool isItIn(const SDL_Rect * rect, int x, int y)
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{
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if ((x>rect->x && x<rect->x+rect->w) && (y>rect->y && y<rect->y+rect->h))
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return true;
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else return false;
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}
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void blitAtWR(SDL_Surface * src, int x, int y, SDL_Surface * dst)
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{
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SDL_Rect pom = genRect(src->h,src->w,x,y);
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SDL_BlitSurface(src,NULL,dst,&pom);
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SDL_UpdateRect(dst,x,y,src->w,src->h);
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}
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void blitAt(SDL_Surface * src, int x, int y, SDL_Surface * dst)
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{
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if(!dst) dst = screen;
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SDL_Rect pom = genRect(src->h,src->w,x,y);
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SDL_BlitSurface(src,NULL,dst,&pom);
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}
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void blitAtWR(SDL_Surface * src, const SDL_Rect & pos, SDL_Surface * dst)
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{
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blitAtWR(src,pos.x,pos.y,dst);
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}
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void blitAt(SDL_Surface * src, const SDL_Rect & pos, SDL_Surface * dst)
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{
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blitAt(src,pos.x,pos.y,dst);
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}
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SDL_Color genRGB(int r, int g, int b, int a=0)
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{
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SDL_Color ret;
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ret.b=b;
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ret.g=g;
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ret.r=r;
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ret.unused=a;
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return ret;
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}
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void updateRect (SDL_Rect * rect, SDL_Surface * scr)
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{
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SDL_UpdateRect(scr,rect->x,rect->y,rect->w,rect->h);
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}
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void printAtMiddleWB(const std::string & text, int x, int y, TTF_Font * font, int charpr, SDL_Color kolor, SDL_Surface * dst)
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{
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std::vector<std::string> ws = CMessage::breakText(text,charpr);
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std::vector<SDL_Surface*> wesu;
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wesu.resize(ws.size());
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for (size_t i=0; i < wesu.size(); ++i)
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{
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wesu[i]=TTF_RenderText_Blended(font,ws[i].c_str(),kolor);
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}
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int tox=0, toy=0;
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for (size_t i=0; i < wesu.size(); ++i)
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{
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toy+=wesu[i]->h;
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if (tox < wesu[i]->w)
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tox=wesu[i]->w;
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}
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int evx, evy = y - (toy/2);
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for (size_t i=0; i < wesu.size(); ++i)
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{
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evx = (x - (tox/2)) + ((tox-wesu[i]->w)/2);
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blitAt(wesu[i],evx,evy,dst);
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evy+=wesu[i]->h;
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}
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for (size_t i=0; i < wesu.size(); ++i)
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SDL_FreeSurface(wesu[i]);
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}
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void printAtWB(const std::string & text, int x, int y, TTF_Font * font, int charpr, SDL_Color kolor, SDL_Surface * dst)
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{
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std::vector<std::string> ws = CMessage::breakText(text,charpr);
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std::vector<SDL_Surface*> wesu;
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wesu.resize(ws.size());
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for (size_t i=0; i < wesu.size(); ++i)
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wesu[i]=TTF_RenderText_Blended(font,ws[i].c_str(),kolor);
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int evy = y;
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for (size_t i=0; i < wesu.size(); ++i)
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{
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blitAt(wesu[i],x,evy,dst);
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evy+=wesu[i]->h;
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}
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for (size_t i=0; i < wesu.size(); ++i)
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SDL_FreeSurface(wesu[i]);
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}
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void CSDL_Ext::printAtWB(const std::string & text, int x, int y, EFonts font, int charpr, SDL_Color kolor, SDL_Surface * dst, bool refresh)
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{
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if (graphics->fontsTrueType[font])
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{
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printAtWB(text,x, y, graphics->fontsTrueType[font], charpr, kolor, dst);
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return;
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}
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const Font *f = graphics->fonts[font];
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std::vector<std::string> ws = CMessage::breakText(text,charpr);
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int cury = y;
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for (size_t i=0; i < ws.size(); ++i)
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{
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printAt(ws[i], x, cury, font, kolor, dst, refresh);
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cury += f->height;
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}
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}
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void CSDL_Ext::printAtMiddleWB( const std::string & text, int x, int y, EFonts font, int charpr, SDL_Color kolor/*=tytulowy*/, SDL_Surface * dst/*=screen*/, bool refrsh /*= false*/ )
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{
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if (graphics->fontsTrueType[font])
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{
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printAtMiddleWB(text,x, y, graphics->fontsTrueType[font], charpr, kolor, dst);
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return;
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}
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const Font *f = graphics->fonts[font];
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std::vector<std::string> ws = CMessage::breakText(text,charpr);
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int totalHeight = ws.size() * f->height;
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int cury = y - totalHeight/2;
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for (size_t i=0; i < ws.size(); ++i)
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{
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printAt(ws[i], x - f->getWidth(ws[i].c_str())/2, cury, font, kolor, dst, refrsh);
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cury += f->height;
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}
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}
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void printAtMiddle(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality=2, bool refresh=false)
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{
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if(text.length()==0) return;
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SDL_Surface * temp;
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switch (quality)
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{
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case 0:
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temp = TTF_RenderText_Solid(font,text.c_str(),kolor);
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break;
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case 1:
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SDL_Color tem;
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tem.b = 0xff-kolor.b;
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tem.g = 0xff-kolor.g;
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tem.r = 0xff-kolor.r;
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tem.unused = 0xff-kolor.unused;
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temp = TTF_RenderText_Shaded(font,text.c_str(),kolor,tem);
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break;
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case 2:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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default:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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}
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SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x-(temp->w/2),y-(temp->h/2)));
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if(refresh)
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SDL_UpdateRect(dst,x-(temp->w/2),y-(temp->h/2),temp->w,temp->h);
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SDL_FreeSurface(temp);
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}
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void CSDL_Ext::printAtMiddle( const std::string & text, int x, int y, EFonts font, SDL_Color kolor/*=zwykly*/, SDL_Surface * dst/*=screen*/, bool refresh /*= false*/ )
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{
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if (graphics->fontsTrueType[font])
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{
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printAtMiddle(text,x, y, graphics->fontsTrueType[font], kolor, dst);
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return;
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}
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const Font *f = graphics->fonts[font];
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int nx = x - f->getWidth(text.c_str())/2,
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ny = y - f->height/2;
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printAt(text, nx, ny, font, kolor, dst, refresh);
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}
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void printAt(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality=2, bool refresh=false)
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{
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if (text.length()==0)
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return;
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SDL_Surface * temp;
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switch (quality)
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{
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case 0:
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temp = TTF_RenderText_Solid(font,text.c_str(),kolor);
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break;
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case 1:
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SDL_Color tem;
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tem.b = 0xff-kolor.b;
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tem.g = 0xff-kolor.g;
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tem.r = 0xff-kolor.r;
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tem.unused = 0xff-kolor.unused;
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temp = TTF_RenderText_Shaded(font,text.c_str(),kolor,tem);
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break;
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case 2:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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default:
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temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
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break;
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}
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SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x,y));
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if(refresh)
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SDL_UpdateRect(dst,x,y,temp->w,temp->h);
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SDL_FreeSurface(temp);
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}
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void CSDL_Ext::printAt( const std::string & text, int x, int y, EFonts font, SDL_Color kolor/*=zwykly*/, SDL_Surface * dst/*=screen*/, bool refresh /*= false*/ )
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{
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if(!text.size())
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return;
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if (graphics->fontsTrueType[font])
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{
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printAt(text,x, y, graphics->fontsTrueType[font], kolor, dst);
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return;
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}
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assert(dst);
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assert(font < Graphics::FONTS_NUMBER);
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//assume BGR dst surface, TODO - make it general in a tidy way
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assert(dst->format->Rshift > dst->format->Gshift);
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assert(dst->format->Gshift > dst->format->Bshift);
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const Font *f = graphics->fonts[font];
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const Uint8 bpp = dst->format->BytesPerPixel;
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Uint8 *px = NULL;
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Uint8 *src = NULL;
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TColorPutter colorPutter = getPutterFor(dst, false);
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//if text is in {} braces, we'll ommit them
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const int first = (text[0] == '{' ? 1 : 0);
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const int beyondEnd = (text[text.size()-1] == '}' ? text.size()-1 : text.size());
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for(int txti = first; txti < beyondEnd; txti++)
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{
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const unsigned char c = text[txti];
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x += f->chars[c].unknown1;
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for(int i = 0; i < f->height && (y + i) < (dst->h - 1); i++)
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{
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px = (Uint8*)dst->pixels;
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px += (y+i) * dst->pitch + x * bpp;
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src = f->chars[c].pixels;
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src += i * f->chars[c].width;//if we have reached end of surface in previous line
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for(int j = 0; j < f->chars[c].width && (j + x) < (dst->w - 1); j++)
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{
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switch(*src)
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{
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case 1: //black "shadow"
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memset(px, 0, bpp);
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break;
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case 255: //text colour
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colorPutter(px, kolor.r, kolor.g, kolor.b);
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break;
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}
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src++;
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px += bpp;
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}
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}
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x += f->chars[c].width;
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x += f->chars[c].unknown2;
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}
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if(refresh)
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{
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SDL_UpdateRect(dst, x, y, f->getWidth(text.c_str()), f->height);
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}
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}
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void printTo(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality=2)
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{
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if (text.length()==0)
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return;
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SDL_Surface * temp;
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switch (quality)
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{
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case 0:
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temp = TTF_RenderText_Solid(font,text.c_str(),kolor);
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break;
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case 1:
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SDL_Color tem;
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tem.b = 0xff-kolor.b;
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tem.g = 0xff-kolor.g;
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tem.r = 0xff-kolor.r;
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tem.unused = 0xff-kolor.unused;
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temp = TTF_RenderText_Shaded(font,text.c_str(),kolor,tem);
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break;
|
|
case 2:
|
|
temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
|
|
break;
|
|
default:
|
|
temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
|
|
break;
|
|
}
|
|
SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x-temp->w,y-temp->h));
|
|
SDL_UpdateRect(dst,x-temp->w,y-temp->h,temp->w,temp->h);
|
|
SDL_FreeSurface(temp);
|
|
}
|
|
|
|
void CSDL_Ext::printTo( const std::string & text, int x, int y, EFonts font, SDL_Color kolor/*=zwykly*/, SDL_Surface * dst/*=screen*/, bool refresh /*= false*/ )
|
|
{
|
|
if (graphics->fontsTrueType[font])
|
|
{
|
|
printTo(text,x, y, graphics->fontsTrueType[font], kolor, dst);
|
|
return;
|
|
}
|
|
const Font *f = graphics->fonts[font];
|
|
printAt(text, x - f->getWidth(text.c_str()), y - f->height, font, kolor, dst, refresh);
|
|
}
|
|
|
|
void printToWR(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality=2)
|
|
{
|
|
if (text.length()==0)
|
|
return;
|
|
SDL_Surface * temp;
|
|
switch (quality)
|
|
{
|
|
case 0:
|
|
temp = TTF_RenderText_Solid(font,text.c_str(),kolor);
|
|
break;
|
|
case 1:
|
|
SDL_Color tem;
|
|
tem.b = 0xff-kolor.b;
|
|
tem.g = 0xff-kolor.g;
|
|
tem.r = 0xff-kolor.r;
|
|
tem.unused = 0xff-kolor.unused;
|
|
temp = TTF_RenderText_Shaded(font,text.c_str(),kolor,tem);
|
|
break;
|
|
case 2:
|
|
temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
|
|
break;
|
|
default:
|
|
temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
|
|
break;
|
|
}
|
|
SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x-temp->w,y-temp->h));
|
|
SDL_FreeSurface(temp);
|
|
}
|
|
|
|
void CSDL_Ext::SDL_PutPixel(SDL_Surface *ekran, const int & x, const int & y, const Uint8 & R, const Uint8 & G, const Uint8 & B, Uint8 A)
|
|
{
|
|
Uint8 *p = (Uint8 *)ekran->pixels + y * ekran->pitch + x * ekran->format->BytesPerPixel;
|
|
|
|
p[0] = B;
|
|
p[1] = G;
|
|
p[2] = R;
|
|
if(ekran->format->BytesPerPixel==4)
|
|
p[3] = A;
|
|
|
|
SDL_UpdateRect(ekran, x, y, 1, 1);
|
|
}
|
|
|
|
// Vertical flip
|
|
SDL_Surface * CSDL_Ext::rotate01(SDL_Surface * toRot)
|
|
{
|
|
SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
|
|
const int bpl = ret->pitch;
|
|
const int bpp = ret->format->BytesPerPixel;
|
|
|
|
for(int i=0; i<ret->h; i++) {
|
|
char *src = (char *)toRot->pixels + i*bpl;
|
|
char *dst = (char *)ret->pixels + i*bpl;
|
|
for(int j=0; j<ret->w; j++) {
|
|
for (int k=0; k<bpp; k++) {
|
|
dst[j*bpp + k] = src[(ret->w-j-1)*bpp + k];
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
// Horizontal flip
|
|
SDL_Surface * CSDL_Ext::hFlip(SDL_Surface * toRot)
|
|
{
|
|
SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
|
|
int bpl = ret->pitch;
|
|
|
|
for(int i=0; i<ret->h; i++) {
|
|
memcpy((char *)ret->pixels + i*bpl, (char *)toRot->pixels + (ret->h-i-1)*bpl, bpl);
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
|
|
///**************/
|
|
///Rotates toRot surface by 90 degrees left
|
|
///**************/
|
|
SDL_Surface * CSDL_Ext::rotate02(SDL_Surface * toRot)
|
|
{
|
|
SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
|
|
//SDL_SetColorKey(ret, SDL_SRCCOLORKEY, toRot->format->colorkey);
|
|
for(int i=0; i<ret->w; ++i)
|
|
{
|
|
for(int j=0; j<ret->h; ++j)
|
|
{
|
|
{
|
|
Uint8 *p = (Uint8 *)toRot->pixels + i * toRot->pitch + j * toRot->format->BytesPerPixel;
|
|
/*
|
|
#if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
|
|
SDL_PutPixelWithoutRefresh(ret, i, j, p[0], p[1], p[2]);
|
|
#else
|
|
*/
|
|
SDL_PutPixelWithoutRefresh(ret, i, j, p[2], p[1], p[0]);
|
|
//#endif
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
///*************/
|
|
///Rotates toRot surface by 180 degrees
|
|
///*************/
|
|
SDL_Surface * CSDL_Ext::rotate03(SDL_Surface * toRot)
|
|
{
|
|
SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
|
|
//SDL_SetColorKey(ret, SDL_SRCCOLORKEY, toRot->format->colorkey);
|
|
if(ret->format->BytesPerPixel!=1)
|
|
{
|
|
for(int i=0; i<ret->w; ++i)
|
|
{
|
|
for(int j=0; j<ret->h; ++j)
|
|
{
|
|
{
|
|
Uint8 *p = (Uint8 *)toRot->pixels + (ret->h - j - 1) * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel+2;
|
|
/*
|
|
#if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
|
|
SDL_PutPixelWithoutRefresh(ret, i, j, p[0], p[1], p[2], 0);
|
|
#else
|
|
*/
|
|
SDL_PutPixelWithoutRefresh(ret, i, j, p[2], p[1], p[0], 0);
|
|
//#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(int i=0; i<ret->w; ++i)
|
|
{
|
|
for(int j=0; j<ret->h; ++j)
|
|
{
|
|
Uint8 *p = (Uint8 *)toRot->pixels + (ret->h - j - 1) * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel;
|
|
(*((Uint8*)ret->pixels + j*ret->pitch + i*ret->format->BytesPerPixel)) = *p;
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
Uint32 CSDL_Ext::SDL_GetPixel(SDL_Surface *surface, const int & x, const int & y, bool colorByte)
|
|
{
|
|
int bpp = surface->format->BytesPerPixel;
|
|
/* Here p is the address to the pixel we want to retrieve */
|
|
Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
|
|
|
|
switch(bpp)
|
|
{
|
|
case 1:
|
|
if(colorByte)
|
|
{
|
|
return colorToUint32(surface->format->palette->colors+(*p));
|
|
}
|
|
else
|
|
return *p;
|
|
|
|
case 2:
|
|
return *(Uint16 *)p;
|
|
|
|
case 3:
|
|
/*
|
|
#if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
|
|
return p[0] << 16 | p[1] << 8 | p[2];
|
|
#else
|
|
*/
|
|
return p[0] | p[1] << 8 | p[2] << 16;
|
|
//#endif
|
|
|
|
case 4:
|
|
return *(Uint32 *)p;
|
|
|
|
default:
|
|
return 0; // shouldn't happen, but avoids warnings
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::alphaTransform(SDL_Surface *src)
|
|
{
|
|
assert(src->format->BitsPerPixel == 8);
|
|
SDL_Color colors[] = {{0,0,0,255}, {0,0,0,214}, {0,0,0,164}, {0,0,0,82}, {0,0,0,128},
|
|
{255,0,0,0}, {255,0,0,0}, {255,0,0,0}, {0,0,0,192}, {0,0,0,192}};
|
|
|
|
SDL_SetColors(src, colors, 0, ARRAY_COUNT(colors));
|
|
SDL_SetColorKey(src, SDL_SRCCOLORKEY, SDL_MapRGBA(src->format, 0, 0, 0, 255));
|
|
}
|
|
// <=>
|
|
|
|
static void prepareOutRect(SDL_Rect *src, SDL_Rect *dst, const SDL_Rect & clip_rect)
|
|
{
|
|
const int xoffset = std::max(clip_rect.x - dst->x, 0),
|
|
yoffset = std::max(clip_rect.y - dst->y, 0);
|
|
|
|
src->x += xoffset;
|
|
src->y += yoffset;
|
|
dst->x += xoffset;
|
|
dst->y += yoffset;
|
|
|
|
src->w = dst->w = std::max(0,std::min(dst->w - xoffset, clip_rect.x + clip_rect.w - dst->x));
|
|
src->h = dst->h = std::max(0,std::min(dst->h - yoffset, clip_rect.y + clip_rect.h - dst->y));
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::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
|
|
{
|
|
static void (*blitWithRotate[])(const SDL_Surface *, const SDL_Rect *, SDL_Surface *, const SDL_Rect *) = {blitWithRotate1<bpp>, blitWithRotate2<bpp>, blitWithRotate3<bpp>};
|
|
if(!rotation)
|
|
{
|
|
SDL_BlitSurface(src, srcRect, dst, dstRect);
|
|
}
|
|
else
|
|
{
|
|
prepareOutRect(srcRect, dstRect, dst->clip_rect);
|
|
blitWithRotate[rotation-1](src, srcRect, dst, dstRect);
|
|
}
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::blitWithRotateClipVal( SDL_Surface *src,SDL_Rect srcRect, SDL_Surface * dst, SDL_Rect dstRect, ui8 rotation )
|
|
{
|
|
blitWithRotateClip<bpp>(src, &srcRect, dst, &dstRect, rotation);
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::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
|
|
{
|
|
static void (*blitWithRotate[])(const SDL_Surface *, const SDL_Rect *, SDL_Surface *, const SDL_Rect *) = {blitWithRotate1WithAlpha<bpp>, blitWithRotate2WithAlpha<bpp>, blitWithRotate3WithAlpha<bpp>};
|
|
if(!rotation)
|
|
{
|
|
blit8bppAlphaTo24bpp(src, srcRect, dst, dstRect);
|
|
}
|
|
else
|
|
{
|
|
prepareOutRect(srcRect, dstRect, dst->clip_rect);
|
|
blitWithRotate[rotation-1](src, srcRect, dst, dstRect);
|
|
}
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::blitWithRotateClipValWithAlpha( SDL_Surface *src,SDL_Rect srcRect, SDL_Surface * dst, SDL_Rect dstRect, ui8 rotation )
|
|
{
|
|
blitWithRotateClipWithAlpha<bpp>(src, &srcRect, dst, &dstRect, rotation);
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::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 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = getPxPtr(src, src->w - srcRect->w - srcRect->x, srcRect->y);
|
|
Uint8 *dporg = (Uint8 *)dst->pixels + dstRect->y*dst->pitch + (dstRect->x+dstRect->w)*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg += dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
ColorPutter<bpp, -1>::PutColor(dp, colors[*sp]);
|
|
|
|
sp += src->w - dstRect->w;
|
|
}
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::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 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = getPxPtr(src, srcRect->x, src->h - srcRect->h - srcRect->y);
|
|
Uint8 *dporg = (Uint8 *)dst->pixels + (dstRect->y + dstRect->h - 1)*dst->pitch + dstRect->x*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg -= dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
ColorPutter<bpp, 1>::PutColor(dp, colors[*sp]);
|
|
|
|
sp += src->w - dstRect->w;
|
|
}
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::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 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = (Uint8 *)src->pixels + (src->h - srcRect->h - srcRect->y)*src->pitch + (src->w - srcRect->w - srcRect->x);
|
|
Uint8 *dporg = (Uint8 *)dst->pixels +(dstRect->y + dstRect->h - 1)*dst->pitch + (dstRect->x+dstRect->w)*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg -= dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
ColorPutter<bpp, -1>::PutColor(dp, colors[*sp]);
|
|
|
|
sp += src->w - dstRect->w;
|
|
}
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::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 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = (Uint8 *)src->pixels + srcRect->y*src->pitch + (src->w - srcRect->w - srcRect->x);
|
|
Uint8 *dporg = (Uint8 *)dst->pixels + dstRect->y*dst->pitch + (dstRect->x+dstRect->w)*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg += dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
{
|
|
if(*sp)
|
|
ColorPutter<bpp, -1>::PutColor(dp, colors[*sp]);
|
|
else
|
|
dp -= bpp;
|
|
}
|
|
|
|
sp += src->w - dstRect->w;
|
|
}
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::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 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = (Uint8 *)src->pixels + (src->h - srcRect->h - srcRect->y)*src->pitch + srcRect->x;
|
|
Uint8 *dporg = (Uint8 *)dst->pixels + (dstRect->y + dstRect->h - 1)*dst->pitch + dstRect->x*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg -= dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
{
|
|
if(*sp)
|
|
ColorPutter<bpp, 1>::PutColor(dp, colors[*sp]);
|
|
else
|
|
dp += bpp;
|
|
}
|
|
|
|
sp += src->w - dstRect->w;
|
|
}
|
|
}
|
|
|
|
template<int bpp>
|
|
void CSDL_Ext::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 24/32 bpp dests
|
|
{
|
|
Uint8 *sp = (Uint8 *)src->pixels + (src->h - srcRect->h - srcRect->y)*src->pitch + (src->w - srcRect->w - srcRect->x);
|
|
Uint8 *dporg = (Uint8 *)dst->pixels +(dstRect->y + dstRect->h - 1)*dst->pitch + (dstRect->x+dstRect->w)*bpp;
|
|
const SDL_Color * const colors = src->format->palette->colors;
|
|
|
|
for(int i=dstRect->h; i>0; i--, dporg -= dst->pitch)
|
|
{
|
|
Uint8 *dp = dporg;
|
|
for(int j=dstRect->w; j>0; j--, sp++)
|
|
{
|
|
if(*sp)
|
|
ColorPutter<bpp, -1>::PutColor(dp, colors[*sp]);
|
|
else
|
|
dp -= bpp;
|
|
}
|
|
|
|
sp += src->w - dstRect->w;
|
|
}
|
|
}
|
|
template<int bpp>
|
|
int CSDL_Ext::blit8bppAlphaTo24bppT(const SDL_Surface * src, const SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)
|
|
{
|
|
if (src && src->format->BytesPerPixel==1 && dst && (bpp==3 || bpp==4 || bpp==2)) //everything's ok
|
|
{
|
|
SDL_Rect fulldst;
|
|
int srcx, srcy, w, h;
|
|
|
|
/* Make sure the surfaces aren't locked */
|
|
if ( ! src || ! dst )
|
|
{
|
|
SDL_SetError("SDL_UpperBlit: passed a NULL surface");
|
|
return -1;
|
|
}
|
|
if ( src->locked || dst->locked )
|
|
{
|
|
SDL_SetError("Surfaces must not be locked during blit");
|
|
return -1;
|
|
}
|
|
|
|
/* If the destination rectangle is NULL, use the entire dest surface */
|
|
if ( dstRect == NULL )
|
|
{
|
|
fulldst.x = fulldst.y = 0;
|
|
dstRect = &fulldst;
|
|
}
|
|
|
|
/* clip the source rectangle to the source surface */
|
|
if(srcRect)
|
|
{
|
|
int maxw, maxh;
|
|
|
|
srcx = srcRect->x;
|
|
w = srcRect->w;
|
|
if(srcx < 0)
|
|
{
|
|
w += srcx;
|
|
dstRect->x -= srcx;
|
|
srcx = 0;
|
|
}
|
|
maxw = src->w - srcx;
|
|
if(maxw < w)
|
|
w = maxw;
|
|
|
|
srcy = srcRect->y;
|
|
h = srcRect->h;
|
|
if(srcy < 0)
|
|
{
|
|
h += srcy;
|
|
dstRect->y -= srcy;
|
|
srcy = 0;
|
|
}
|
|
maxh = src->h - srcy;
|
|
if(maxh < h)
|
|
h = maxh;
|
|
|
|
}
|
|
else
|
|
{
|
|
srcx = srcy = 0;
|
|
w = src->w;
|
|
h = src->h;
|
|
}
|
|
|
|
/* clip the destination rectangle against the clip rectangle */
|
|
{
|
|
SDL_Rect *clip = &dst->clip_rect;
|
|
int dx, dy;
|
|
|
|
dx = clip->x - dstRect->x;
|
|
if(dx > 0)
|
|
{
|
|
w -= dx;
|
|
dstRect->x += dx;
|
|
srcx += dx;
|
|
}
|
|
dx = dstRect->x + w - clip->x - clip->w;
|
|
if(dx > 0)
|
|
w -= dx;
|
|
|
|
dy = clip->y - dstRect->y;
|
|
if(dy > 0)
|
|
{
|
|
h -= dy;
|
|
dstRect->y += dy;
|
|
srcy += dy;
|
|
}
|
|
dy = dstRect->y + h - clip->y - clip->h;
|
|
if(dy > 0)
|
|
h -= dy;
|
|
}
|
|
|
|
if(w > 0 && h > 0)
|
|
{
|
|
dstRect->w = w;
|
|
dstRect->h = h;
|
|
|
|
if(SDL_LockSurface(dst))
|
|
return -1; //if we cannot lock the surface
|
|
|
|
const SDL_Color *colors = src->format->palette->colors;
|
|
Uint8 *colory = (Uint8*)src->pixels + srcy*src->pitch + srcx;
|
|
Uint8 *py = (Uint8*)dst->pixels + dstRect->y*dst->pitch + dstRect->x*bpp;
|
|
|
|
for(int y=h; y; y--, colory+=src->pitch, py+=dst->pitch)
|
|
{
|
|
Uint8 *color = colory;
|
|
Uint8 *p = py;
|
|
|
|
for(int x = w; x; x--)
|
|
{
|
|
const SDL_Color &tbc = colors[*color++]; //color to blit
|
|
ColorPutter<bpp, +1>::PutColorAlphaSwitch(p, tbc.r, tbc.g, tbc.b, tbc.unused);
|
|
}
|
|
}
|
|
SDL_UnlockSurface(dst);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int CSDL_Ext::blit8bppAlphaTo24bpp(const SDL_Surface * src, const SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)
|
|
{
|
|
switch(dst->format->BytesPerPixel)
|
|
{
|
|
case 2: return blit8bppAlphaTo24bppT<2>(src, srcRect, dst, dstRect);
|
|
case 3: return blit8bppAlphaTo24bppT<3>(src, srcRect, dst, dstRect);
|
|
case 4: return blit8bppAlphaTo24bppT<4>(src, srcRect, dst, dstRect);
|
|
default:
|
|
tlog1 << (int)dst->format->BitsPerPixel << " bpp is not supported!!!\n";
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
Uint32 CSDL_Ext::colorToUint32(const SDL_Color * color)
|
|
{
|
|
Uint32 ret = 0;
|
|
ret+=color->unused;
|
|
ret<<=8; //*=256
|
|
ret+=color->b;
|
|
ret<<=8; //*=256
|
|
ret+=color->g;
|
|
ret<<=8; //*=256
|
|
ret+=color->r;
|
|
return ret;
|
|
}
|
|
|
|
void CSDL_Ext::update(SDL_Surface * what)
|
|
{
|
|
if(what)
|
|
SDL_UpdateRect(what, 0, 0, what->w, what->h);
|
|
}
|
|
void CSDL_Ext::drawBorder(SDL_Surface * sur, int x, int y, int w, int h, const int3 &color)
|
|
{
|
|
for(int i=0;i<w;i++)
|
|
{
|
|
SDL_PutPixelWithoutRefresh(sur,x+i,y,color.x,color.y,color.z);
|
|
SDL_PutPixelWithoutRefresh(sur,x+i,y+h-1,color.x,color.y,color.z);
|
|
}
|
|
for(int i=0; i<h;i++)
|
|
{
|
|
SDL_PutPixelWithoutRefresh(sur,x,y+i,color.x,color.y,color.z);
|
|
SDL_PutPixelWithoutRefresh(sur,x+w-1,y+i,color.x,color.y,color.z);
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::drawBorder( SDL_Surface * sur, const SDL_Rect &r, const int3 &color )
|
|
{
|
|
drawBorder(sur, r.x, r.y, r.w, r.h, color);
|
|
}
|
|
|
|
void CSDL_Ext::drawDashedBorder(SDL_Surface * sur, const Rect &r, const int3 &color)
|
|
{
|
|
const int y1 = r.y, y2 = r.y + r.h-1;
|
|
for (int i=0; i<r.w; i++)
|
|
{
|
|
const int x = r.x + i;
|
|
if (i%4 || (i==0))
|
|
{
|
|
SDL_PutPixelWithoutRefreshIfInSurf(sur, x, y1, color.x, color.y, color.z);
|
|
SDL_PutPixelWithoutRefreshIfInSurf(sur, x, y2, color.x, color.y, color.z);
|
|
}
|
|
}
|
|
|
|
const int x1 = r.x, x2 = r.x + r.w-1;
|
|
for (int i=0; i<r.h; i++)
|
|
{
|
|
const int y = r.y + i;
|
|
if ((i%4) || (i==0))
|
|
{
|
|
SDL_PutPixelWithoutRefreshIfInSurf(sur, x1, y, color.x, color.y, color.z);
|
|
SDL_PutPixelWithoutRefreshIfInSurf(sur, x2, y, color.x, color.y, color.z);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::setPlayerColor(SDL_Surface * sur, unsigned char player)
|
|
{
|
|
if(player==254)
|
|
return;
|
|
if(sur->format->BitsPerPixel==8)
|
|
{
|
|
SDL_Color *color = (player == 255
|
|
? graphics->neutralColor
|
|
: &graphics->playerColors[player]);
|
|
SDL_SetColors(sur, color, 5, 1);
|
|
}
|
|
else
|
|
tlog3 << "Warning, setPlayerColor called on not 8bpp surface!\n";
|
|
}
|
|
int readNormalNr (std::istream &in, int bytCon)
|
|
{
|
|
int ret=0;
|
|
int amp=1;
|
|
unsigned char byte;
|
|
if (in.good())
|
|
{
|
|
for (int i=0; i<bytCon; i++)
|
|
{
|
|
in.read((char*)&byte,1);
|
|
ret+=byte*amp;
|
|
amp<<=8;
|
|
}
|
|
}
|
|
else return -1;
|
|
return ret;
|
|
}
|
|
|
|
const TColorPutter CSDL_Ext::getPutterFor(SDL_Surface * const &dest, int incrementing)
|
|
{
|
|
#define CASE_BPP(BytesPerPixel) \
|
|
case BytesPerPixel: \
|
|
if(incrementing > 0) \
|
|
return ColorPutter<BytesPerPixel, 1>::PutColor; \
|
|
else if(incrementing == 0) \
|
|
return ColorPutter<BytesPerPixel, 0>::PutColor; \
|
|
else \
|
|
return ColorPutter<BytesPerPixel, -1>::PutColor;\
|
|
break;
|
|
|
|
switch(dest->format->BytesPerPixel)
|
|
{
|
|
CASE_BPP(2)
|
|
CASE_BPP(3)
|
|
CASE_BPP(4)
|
|
default:
|
|
tlog1 << (int)dest->format->BitsPerPixel << "bpp is not supported!\n";
|
|
return NULL;
|
|
}
|
|
|
|
}
|
|
|
|
const TColorPutterAlpha CSDL_Ext::getPutterAlphaFor(SDL_Surface * const &dest, int incrementing)
|
|
{
|
|
switch(dest->format->BytesPerPixel)
|
|
{
|
|
CASE_BPP(2)
|
|
CASE_BPP(3)
|
|
CASE_BPP(4)
|
|
default:
|
|
tlog1 << (int)dest->format->BitsPerPixel << "bpp is not supported!\n";
|
|
return NULL;
|
|
}
|
|
#undef CASE_BPP
|
|
}
|
|
|
|
Uint8 * CSDL_Ext::getPxPtr(const SDL_Surface * const &srf, const int & x, const int & y)
|
|
{
|
|
return (Uint8 *)srf->pixels + y * srf->pitch + x * srf->format->BytesPerPixel;
|
|
}
|
|
|
|
std::string CSDL_Ext::processStr(std::string str, std::vector<std::string> & tor)
|
|
{
|
|
for (size_t i=0; (i<tor.size())&&(boost::find_first(str,"%s")); ++i)
|
|
{
|
|
boost::replace_first(str,"%s",tor[i]);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
bool CSDL_Ext::isTransparent( SDL_Surface * srf, int x, int y )
|
|
{
|
|
if(srf->format->BytesPerPixel == 1)
|
|
{
|
|
return ((ui8*)srf->pixels)[x + srf->pitch * y] == 0;
|
|
}
|
|
else
|
|
{
|
|
assert(!"isTransparent called with non-8bpp surface!");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void CSDL_Ext::VflipSurf(SDL_Surface * surf)
|
|
{
|
|
char buf[4]; //buffer
|
|
int bpp = surf->format->BytesPerPixel;
|
|
for (int y=0; y<surf->h; ++y)
|
|
{
|
|
char * base = (char*)surf->pixels + y * surf->pitch;
|
|
for (int x=0; x<surf->w/2; ++x)
|
|
{
|
|
memcpy(buf, base + x * bpp, bpp);
|
|
memcpy(base + x * bpp, base + (surf->w - x - 1) * bpp, bpp);
|
|
memcpy(base + (surf->w - x - 1) * bpp, buf, bpp);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::SDL_PutPixelWithoutRefresh(SDL_Surface *ekran, const int & x, const int & y, const Uint8 & R, const Uint8 & G, const Uint8 & B, Uint8 A /*= 255*/)
|
|
{
|
|
Uint8 *p = getPxPtr(ekran, x, y);
|
|
getPutterFor(ekran, false)(p, R, G, B);
|
|
|
|
//needed?
|
|
if(ekran->format->BytesPerPixel==4)
|
|
p[3] = A;
|
|
}
|
|
|
|
void CSDL_Ext::SDL_PutPixelWithoutRefreshIfInSurf(SDL_Surface *ekran, const int & x, const int & y, const Uint8 & R, const Uint8 & G, const Uint8 & B, Uint8 A /*= 255*/)
|
|
{
|
|
if(x >= 0 && x < ekran->w && y >= 0 && y < ekran->w)
|
|
SDL_PutPixelWithoutRefresh(ekran, x, y, R, G, B, A);
|
|
}
|
|
|
|
BlitterWithRotationVal CSDL_Ext::getBlitterWithRotation(SDL_Surface *dest)
|
|
{
|
|
switch(dest->format->BytesPerPixel)
|
|
{
|
|
case 2: return blitWithRotateClipVal<2>;
|
|
case 3: return blitWithRotateClipVal<3>;
|
|
case 4: return blitWithRotateClipVal<4>;
|
|
default:
|
|
tlog1 << (int)dest->format->BitsPerPixel << " bpp is not supported!!!\n";
|
|
break;
|
|
}
|
|
|
|
assert(0);
|
|
return NULL;
|
|
}
|
|
|
|
BlitterWithRotationVal CSDL_Ext::getBlitterWithRotationAndAlpha(SDL_Surface *dest)
|
|
{
|
|
switch(dest->format->BytesPerPixel)
|
|
{
|
|
case 2: return blitWithRotateClipValWithAlpha<2>;
|
|
case 3: return blitWithRotateClipValWithAlpha<3>;
|
|
case 4: return blitWithRotateClipValWithAlpha<4>;
|
|
default:
|
|
tlog1 << (int)dest->format->BitsPerPixel << " bpp is not supported!!!\n";
|
|
break;
|
|
}
|
|
|
|
assert(0);
|
|
return NULL;
|
|
}
|
|
|
|
void CSDL_Ext::applyEffect( SDL_Surface * surf, const SDL_Rect * rect, int mode )
|
|
{
|
|
switch(mode)
|
|
{
|
|
case 0: //sepia
|
|
{
|
|
const int sepiaDepth = 20;
|
|
const int sepiaIntensity = 30;
|
|
|
|
for(int xp = rect->x; xp < rect->x + rect->w; ++xp)
|
|
{
|
|
for(int yp = rect->y; yp < rect->y + rect->h; ++yp)
|
|
{
|
|
unsigned char * pixels = (unsigned char*)surf->pixels + yp * surf->pitch + xp * surf->format->BytesPerPixel;
|
|
|
|
int b = pixels[0];
|
|
int g = pixels[1];
|
|
int r = pixels[2];
|
|
int gry = (r + g + b) / 3;
|
|
|
|
r = g = b = gry;
|
|
r = r + (sepiaDepth * 2);
|
|
g = g + sepiaDepth;
|
|
|
|
if (r>255) r=255;
|
|
if (g>255) g=255;
|
|
if (b>255) b=255;
|
|
|
|
// Darken blue color to increase sepia effect
|
|
b -= sepiaIntensity;
|
|
|
|
// normalize if out of bounds
|
|
if (b<0) b=0;
|
|
if (b>255) b=255;
|
|
|
|
pixels[0] = b;
|
|
pixels[1] = g;
|
|
pixels[2] = r;
|
|
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 1: //grayscale
|
|
{
|
|
for(int xp = rect->x; xp < rect->x + rect->w; ++xp)
|
|
{
|
|
for(int yp = rect->y; yp < rect->y + rect->h; ++yp)
|
|
{
|
|
unsigned char * pixels = (unsigned char*)surf->pixels + yp * surf->pitch + xp * surf->format->BytesPerPixel;
|
|
|
|
int b = pixels[0];
|
|
int g = pixels[1];
|
|
int r = pixels[2];
|
|
int gry = (r + g + b) / 3;
|
|
|
|
pixels[0] = pixels[1] = pixels[2] = gry;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
throw std::string("Unsuppoerted efftct!");
|
|
}
|
|
}
|
|
|
|
|
|
SDL_Surface * CSDL_Ext::std32bppSurface = NULL;
|