mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-24 22:14:36 +02:00
837 lines
23 KiB
C++
837 lines
23 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 "client/Graphics.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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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, 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, 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 CSDL_Ext::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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delete ws;
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}
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void CSDL_Ext::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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delete ws;
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}
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void CSDL_Ext::printAtMiddle(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality, bool refresh)
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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::printAt(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality, bool refresh)
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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::printAtWR(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality)
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{
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printAt(text,x,y,font,kolor,dst,quality, true);
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}
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void CSDL_Ext::printTo(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality)
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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-temp->w,y-temp->h));
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SDL_UpdateRect(dst,x-temp->w,y-temp->h,temp->w,temp->h);
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SDL_FreeSurface(temp);
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}
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void CSDL_Ext::printToWR(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, unsigned char quality)
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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-temp->w,y-temp->h));
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SDL_FreeSurface(temp);
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}
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inline 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)
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{
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Uint8 *p = (Uint8 *)ekran->pixels + y * ekran->pitch + x * ekran->format->BytesPerPixel;
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p[0] = B;
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p[1] = G;
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p[2] = R;
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if(ekran->format->BytesPerPixel==4)
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p[3] = A;
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SDL_UpdateRect(ekran, x, y, 1, 1);
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}
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///**************/
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///Reverses the toRot surface by the vertical axis
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///**************/
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SDL_Surface * CSDL_Ext::rotate01(SDL_Surface * toRot)
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{
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SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
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//SDL_SetColorKey(ret, SDL_SRCCOLORKEY, toRot->format->colorkey);
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if(toRot->format->BytesPerPixel!=1)
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{
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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{
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Uint8 *p = (Uint8 *)toRot->pixels + j * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel;
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CSDL_Ext::SDL_PutPixelWithoutRefresh(ret, i, j, p[2], p[1], p[0]);
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}
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}
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}
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}
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else
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{
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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{
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Uint8 *p = (Uint8 *)toRot->pixels + j * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel;
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(*((Uint8*)ret->pixels + j*ret->pitch + i*ret->format->BytesPerPixel)) = *p;
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}
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}
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}
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}
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return ret;
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}
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SDL_Surface * CSDL_Ext::hFlip(SDL_Surface * toRot)
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{
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SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
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//SDL_SetColorKey(ret, SDL_SRCCOLORKEY, toRot->format->colorkey);
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if(ret->format->BytesPerPixel!=1)
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{
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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{
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Uint8 *p = (Uint8 *)toRot->pixels + (ret->h - j -1) * toRot->pitch + i * toRot->format->BytesPerPixel;
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//int k=2;
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/*
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#if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
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CSDL_Ext::SDL_PutPixelWithoutRefresh(ret, i, j, p[0], p[1], p[2]);
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#else
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*/
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CSDL_Ext::SDL_PutPixelWithoutRefresh(ret, i, j, p[2], p[1], p[0]);
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//#endif
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}
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}
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}
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}
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else
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{
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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{
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Uint8 *p = (Uint8 *)toRot->pixels + (ret->h - j -1) * toRot->pitch + i * toRot->format->BytesPerPixel;
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(*((Uint8*)ret->pixels + j*ret->pitch + i*ret->format->BytesPerPixel)) = *p;
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}
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}
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}
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}
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return ret;
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};
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///**************/
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///Rotates toRot surface by 90 degrees left
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///**************/
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SDL_Surface * CSDL_Ext::rotate02(SDL_Surface * toRot)
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{
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SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
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//SDL_SetColorKey(ret, SDL_SRCCOLORKEY, toRot->format->colorkey);
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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{
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Uint8 *p = (Uint8 *)toRot->pixels + i * toRot->pitch + j * toRot->format->BytesPerPixel;
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/*
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#if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
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SDL_PutPixelWithoutRefresh(ret, i, j, p[0], p[1], p[2]);
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#else
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*/
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SDL_PutPixelWithoutRefresh(ret, i, j, p[2], p[1], p[0]);
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//#endif
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}
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}
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}
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return ret;
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}
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///*************/
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///Rotates toRot surface by 180 degrees
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///*************/
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SDL_Surface * CSDL_Ext::rotate03(SDL_Surface * toRot)
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{
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SDL_Surface * ret = SDL_ConvertSurface(toRot, toRot->format, toRot->flags);
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//SDL_SetColorKey(ret, SDL_SRCCOLORKEY, toRot->format->colorkey);
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if(ret->format->BytesPerPixel!=1)
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{
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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{
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Uint8 *p = (Uint8 *)toRot->pixels + (ret->h - j - 1) * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel+2;
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/*
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#if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
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SDL_PutPixelWithoutRefresh(ret, i, j, p[0], p[1], p[2], 0);
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#else
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*/
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SDL_PutPixelWithoutRefresh(ret, i, j, p[2], p[1], p[0], 0);
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//#endif
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}
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}
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}
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}
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else
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{
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for(int i=0; i<ret->w; ++i)
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{
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for(int j=0; j<ret->h; ++j)
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{
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Uint8 *p = (Uint8 *)toRot->pixels + (ret->h - j - 1) * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel;
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(*((Uint8*)ret->pixels + j*ret->pitch + i*ret->format->BytesPerPixel)) = *p;
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}
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}
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}
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return ret;
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}
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Uint32 CSDL_Ext::SDL_GetPixel(SDL_Surface *surface, const int & x, const int & y, bool colorByte)
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{
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int bpp = surface->format->BytesPerPixel;
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/* Here p is the address to the pixel we want to retrieve */
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Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
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switch(bpp)
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{
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case 1:
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if(colorByte)
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{
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return colorToUint32(surface->format->palette->colors+(*p));
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}
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else
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return *p;
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case 2:
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return *(Uint16 *)p;
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case 3:
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/*
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#if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
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return p[0] << 16 | p[1] << 8 | p[2];
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#else
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*/
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return p[0] | p[1] << 8 | p[2] << 16;
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//#endif
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case 4:
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return *(Uint32 *)p;
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default:
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return 0; // shouldn't happen, but avoids warnings
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}
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}
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SDL_Surface * CSDL_Ext::alphaTransform(SDL_Surface *src)
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{
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Uint32 trans = SDL_MapRGBA(src->format, 0, 255, 255, 255);
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SDL_SetColorKey(src, 0, trans);
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src->flags|=SDL_SRCALPHA;
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SDL_Color transp;
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transp.b = transp.g = transp.r = 0;
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transp.unused = 255;
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if(src->format->BitsPerPixel == 8)
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{
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for(int yy=0; yy<src->format->palette->ncolors; ++yy)
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{
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SDL_Color cur = *(src->format->palette->colors+yy);
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//if(cur.r == 255 && cur.b == 255)
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if(yy==1 || yy==2 || yy==3 || yy==4 || yy==8 || yy==9)
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{
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SDL_Color shadow;
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shadow.b = shadow.g = shadow.r = 0;
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switch(cur.g) //change this values; make diffrerent for objects and shadows (?)
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{
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case 0:
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shadow.unused = 128;
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break;
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case 50:
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shadow.unused = 50+32;
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break;
|
|
case 100:
|
|
shadow.unused = 100+64;
|
|
break;
|
|
case 125:
|
|
shadow.unused = 125+64;
|
|
break;
|
|
case 128:
|
|
shadow.unused = 128+64;
|
|
break;
|
|
case 150:
|
|
shadow.unused = 150+64;
|
|
break;
|
|
default:
|
|
shadow.unused = 255;
|
|
break;
|
|
}
|
|
SDL_SetColors(src, &shadow, yy, 1);
|
|
}
|
|
if(yy==0 || (cur.r == 255 && cur.g == 0 && cur.b == 0))
|
|
{
|
|
SDL_SetColors(src, &transp, yy, 1);
|
|
}
|
|
}
|
|
}
|
|
return src;
|
|
}
|
|
// <=>
|
|
|
|
void prepareOutRect(SDL_Rect &dst, const SDL_Rect *dstRect, const SDL_Rect *clip_rect)
|
|
{
|
|
dst.x = std::max(dstRect->x,clip_rect->x);
|
|
dst.y = std::max(dstRect->y,clip_rect->y);
|
|
dst.w = std::max(0,std::min(dstRect->w - (dst.x - dstRect->x), clip_rect->x + clip_rect->w - dst.x));
|
|
dst.h = std::max(0,std::min(dstRect->h - (dst.y - dstRect->y), clip_rect->y + clip_rect->h - dst.y));
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate1(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
Uint8 *dp, *sp = (Uint8 *)src->pixels;
|
|
for(int i=0; i<dstRect->h; i++)
|
|
{
|
|
sp += src->w - dstRect->w;
|
|
dp = (Uint8 *)dst->pixels + (i+dstRect->y)*dst->pitch + (dstRect->x+dstRect->w)*dst->format->BytesPerPixel;
|
|
for(int j=0; j<dstRect->w; j++, sp++)
|
|
{
|
|
const SDL_Color * const color = src->format->palette->colors+(*sp);
|
|
*(--dp) = color->r;
|
|
*(--dp) = color->g;
|
|
*(--dp) = color->b;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate1clip(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
SDL_Rect realDest;
|
|
prepareOutRect(realDest,dstRect,&dst->clip_rect);
|
|
blitWithRotate1(src,srcRect,dst,&realDest);
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate2(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
Uint8 *dp, *sp = (Uint8 *)src->pixels;
|
|
for(int i=0; i<dstRect->h; i++)
|
|
{
|
|
dp = (Uint8 *)dst->pixels + (dstRect->y + dstRect->h - 1 - i)*dst->pitch + dstRect->x*dst->format->BytesPerPixel;
|
|
for(int j=0; j<dstRect->w; j++, sp++)
|
|
{
|
|
const SDL_Color * const color = src->format->palette->colors+(*sp);
|
|
*(dp++) = color->b;
|
|
*(dp++) = color->g;
|
|
*(dp++) = color->r;
|
|
}
|
|
sp += src->w - dstRect->w;
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate2clip(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
SDL_Rect realDest;
|
|
prepareOutRect(realDest,dstRect,&dst->clip_rect);
|
|
blitWithRotate2(src,srcRect,dst,&realDest);
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate3(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
Uint8 *dp, *sp = (Uint8 *)src->pixels;
|
|
for(int i=0; i<dstRect->h; i++)
|
|
{
|
|
sp += src->w - dstRect->w;
|
|
dp = (Uint8 *)dst->pixels + (dstRect->y + dstRect->h - 1 - i)*dst->pitch + (dstRect->x+dstRect->w)*dst->format->BytesPerPixel;
|
|
for(int j=0; j<dstRect->w; j++, sp++)
|
|
{
|
|
const SDL_Color * const color = src->format->palette->colors+(*sp);
|
|
*(--dp) = color->r;
|
|
*(--dp) = color->g;
|
|
*(--dp) = color->b;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CSDL_Ext::blitWithRotate3clip(SDL_Surface *src,SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)//srcRect is not used, works with 8bpp sources and 24bpp dests
|
|
{
|
|
SDL_Rect realDest;
|
|
prepareOutRect(realDest,dstRect,&dst->clip_rect);
|
|
blitWithRotate3(src,srcRect,dst,&realDest);
|
|
}
|
|
|
|
int CSDL_Ext::blit8bppAlphaTo24bpp(SDL_Surface * src, SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect)
|
|
{
|
|
if(src && src->format->BytesPerPixel==1 && dst && (dst->format->BytesPerPixel==3 || dst->format->BytesPerPixel==4)) //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)
|
|
{
|
|
SDL_Rect sr;
|
|
sr.x = srcx;
|
|
sr.y = srcy;
|
|
sr.w = dstRect->w = w;
|
|
sr.h = dstRect->h = h;
|
|
|
|
if(SDL_LockSurface(dst))
|
|
return -1; //if we cannot lock the surface
|
|
|
|
if(dst->format->Rshift==0) //like in most surfaces
|
|
{
|
|
for(Uint16 y=0; y<sr.h; ++y)
|
|
{
|
|
for(Uint16 x=0; x<sr.w; ++x)
|
|
{
|
|
SDL_Color & tbc = src->format->palette->colors[*((Uint8*)src->pixels + (y+sr.y)*src->pitch + x + sr.x)]; //color to blit
|
|
Uint8 * p = (Uint8*)dst->pixels + (y+dstRect->y)*dst->pitch + (x+dstRect->x)*dst->format->BytesPerPixel; //place to blit at
|
|
|
|
// According analyze, the values of tbc.unused are fixed,
|
|
// and the approximate ratios are as following:
|
|
//
|
|
// tbc.unused numbers
|
|
// 192 2679
|
|
// 164 326907
|
|
// 82 705590
|
|
// 214 1292625
|
|
// 128 4842923
|
|
// 0 72138078
|
|
// 255 77547326
|
|
//
|
|
// By making use of such characteristic, we may implement a
|
|
// very fast algorithm for heroes3 without loose much quality.
|
|
switch ((Uint32)tbc.unused)
|
|
{
|
|
case 255:
|
|
break;
|
|
case 0:
|
|
p[0] = tbc.r;
|
|
p[1] = tbc.g;
|
|
p[2] = tbc.b;
|
|
break;
|
|
case 128: // optimized
|
|
p[0] = ((Uint16)tbc.r + (Uint16)p[0]) >> 1;
|
|
p[1] = ((Uint16)tbc.g + (Uint16)p[1]) >> 1;
|
|
p[2] = ((Uint16)tbc.b + (Uint16)p[2]) >> 1;
|
|
break;
|
|
default:
|
|
p[0] = ((((Uint32)p[0]-(Uint32)tbc.r)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.r) & 0xFF;
|
|
p[1] = ((((Uint32)p[1]-(Uint32)tbc.g)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.g) & 0xFF;
|
|
p[2] = ((((Uint32)p[2]-(Uint32)tbc.b)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.b) & 0xFF;
|
|
//p[0] = ((Uint32)tbc.unused*(Uint32)p[0] + (Uint32)tbc.r*(Uint32)(255-tbc.unused))>>8; //red
|
|
//p[1] = ((Uint32)tbc.unused*(Uint32)p[1] + (Uint32)tbc.g*(Uint32)(255-tbc.unused))>>8; //green
|
|
//p[2] = ((Uint32)tbc.unused*(Uint32)p[2] + (Uint32)tbc.b*(Uint32)(255-tbc.unused))>>8; //blue
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if(dst->format->Rshift==16) //such as screen
|
|
{
|
|
for(Uint16 y=0; y<sr.h; ++y)
|
|
{
|
|
for(Uint16 x=0; x<sr.w; ++x)
|
|
{
|
|
SDL_Color & tbc = src->format->palette->colors[*((Uint8*)src->pixels + (y+sr.y)*src->pitch + x + sr.x)]; //color to blit
|
|
Uint8 * p = (Uint8*)dst->pixels + (y+dstRect->y)*dst->pitch + (x+dstRect->x)*dst->format->BytesPerPixel; //place to blit at
|
|
|
|
switch ((Uint32)tbc.unused)
|
|
{
|
|
case 255:
|
|
break;
|
|
case 0:
|
|
p[2] = tbc.r;
|
|
p[1] = tbc.g;
|
|
p[0] = tbc.b;
|
|
break;
|
|
case 128: // optimized
|
|
p[2] = ((Uint16)tbc.r + (Uint16)p[2]) >> 1;
|
|
p[1] = ((Uint16)tbc.g + (Uint16)p[1]) >> 1;
|
|
p[0] = ((Uint16)tbc.b + (Uint16)p[0]) >> 1;
|
|
break;
|
|
default:
|
|
p[2] = ((((Uint32)p[2]-(Uint32)tbc.r)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.r) & 0xFF;
|
|
p[1] = ((((Uint32)p[1]-(Uint32)tbc.g)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.g) & 0xFF;
|
|
p[0] = ((((Uint32)p[0]-(Uint32)tbc.b)*(Uint32)tbc.unused) >> 8 + (Uint32)tbc.b) & 0xFF;
|
|
//p[2] = ((Uint32)tbc.unused*(Uint32)p[2] + (Uint32)tbc.r*(Uint32)(255-tbc.unused))>>8; //red
|
|
//p[1] = ((Uint32)tbc.unused*(Uint32)p[1] + (Uint32)tbc.g*(Uint32)(255-tbc.unused))>>8; //green
|
|
//p[0] = ((Uint32)tbc.unused*(Uint32)p[0] + (Uint32)tbc.b*(Uint32)(255-tbc.unused))>>8; //blue
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
SDL_UnlockSurface(dst);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
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, 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::setPlayerColor(SDL_Surface * sur, unsigned char player)
|
|
{
|
|
if(player==254)
|
|
return;
|
|
if(sur->format->BitsPerPixel==8)
|
|
{
|
|
if(player != 255)
|
|
*(sur->format->palette->colors+5) = graphics->playerColors[player];
|
|
else
|
|
*(sur->format->palette->colors+5) = *graphics->neutralColor;
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
SDL_Surface * CSDL_Ext::std32bppSurface = NULL;
|