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vcmi/client/UIFramework/SDL_Extensions.cpp

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#include "StdInc.h"
#include "SDL_Extensions.h"
#include <SDL_ttf.h>
#include "../CGameInfo.h"
#include "../CMessage.h"
#include "../CDefHandler.h"
#include "../Graphics.h"
/*
* SDL_Extensions.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
SDL_Color Colors::createColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a /*= 0*/)
{
SDL_Color temp = {r, g, b, a};
return temp;
}
template<int bpp, int incrementPtr>
STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColorAlpha(Uint8 *&ptr, const SDL_Color & Color)
{
PutColor(ptr, Color.r, Color.g, Color.b, Color.unused);
}
template<int bpp, int incrementPtr>
STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColor(Uint8 *&ptr, const SDL_Color & Color)
{
PutColor(ptr, Color.r, Color.g, Color.b);
}
template<int bpp, int incrementPtr>
STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColorAlphaSwitch(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A)
{
switch (A)
{
case 255:
ptr += bpp * incrementPtr;
return;
case 0:
PutColor(ptr, R, G, B);
return;
case 128: // optimized
PutColor(ptr, ((Uint16)R + (Uint16)ptr[2]) >> 1,
((Uint16)G + (Uint16)ptr[1]) >> 1,
((Uint16)B + (Uint16)ptr[0]) >> 1);
return;
default:
PutColor(ptr, R, G, B, A);
return;
}
}
template<int bpp, int incrementPtr>
STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A)
{
PutColor(ptr, ((((Uint32)ptr[2]-(Uint32)R)*(Uint32)A) >> 8 ) + (Uint32)R,
((((Uint32)ptr[1]-(Uint32)G)*(Uint32)A) >> 8 ) + (Uint32)G,
((((Uint32)ptr[0]-(Uint32)B)*(Uint32)A) >> 8 ) + (Uint32)B);
}
template<int bpp, int incrementPtr>
STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B)
{
if(incrementPtr == 0)
{
ptr[0] = B;
ptr[1] = G;
ptr[2] = R;
}
else if(incrementPtr == 1)
{
*ptr++ = B;
*ptr++ = G;
*ptr++ = R;
if(bpp == 4)
*ptr++ = 0;
}
else if(incrementPtr == -1)
{
if(bpp == 4)
*(--ptr) = 0;
*(--ptr) = R;
*(--ptr) = G;
*(--ptr) = B;
}
else
{
assert(0);
}
}
template<int bpp, int incrementPtr>
STRONG_INLINE void ColorPutter<bpp, incrementPtr>::PutColorRow(Uint8 *&ptr, const SDL_Color & Color, size_t count)
{
Uint32 pixel = ((Uint32)Color.b << 0 ) + ((Uint32)Color.g << 8) + ((Uint32)Color.r << 16);
for (size_t i=0; i<count; i++)
{
memcpy(ptr, &pixel, bpp);
if(incrementPtr == -1)
ptr -= bpp;
if(incrementPtr == 1)
ptr += bpp;
}
}
template <int incrementPtr>
STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B)
{
if(incrementPtr == -1)
ptr -= 2;
Uint16 * const px = (Uint16*)ptr;
*px = (B>>3) + ((G>>2) << 5) + ((R>>3) << 11); //drop least significant bits of 24 bpp encoded color
if(incrementPtr == 1)
ptr += 2; //bpp
}
template <int incrementPtr>
STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColorAlphaSwitch(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A)
{
switch (A)
{
case 255:
ptr += 2 * incrementPtr;
return;
case 0:
PutColor(ptr, R, G, B);
return;
default:
PutColor(ptr, R, G, B, A);
return;
}
}
template <int incrementPtr>
STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColor(Uint8 *&ptr, const Uint8 & R, const Uint8 & G, const Uint8 & B, const Uint8 & A)
{
const int rbit = 5, gbit = 6, bbit = 5; //bits per color
const int rmask = 0xF800, gmask = 0x7E0, bmask = 0x1F;
const int rshift = 11, gshift = 5, bshift = 0;
const Uint8 r5 = (*((Uint16 *)ptr) & rmask) >> rshift,
b5 = (*((Uint16 *)ptr) & bmask) >> bshift,
g5 = (*((Uint16 *)ptr) & gmask) >> gshift;
const Uint32 r8 = (r5 << (8 - rbit)) | (r5 >> (2*rbit - 8)),
g8 = (g5 << (8 - gbit)) | (g5 >> (2*gbit - 8)),
b8 = (b5 << (8 - bbit)) | (b5 >> (2*bbit - 8));
PutColor(ptr,
(((r8-R)*A) >> 8) + R,
(((g8-G)*A) >> 8) + G,
(((b8-B)*A) >> 8) + B);
}
template <int incrementPtr>
STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColorAlpha(Uint8 *&ptr, const SDL_Color & Color)
{
PutColor(ptr, Color.r, Color.g, Color.b, Color.unused);
}
template <int incrementPtr>
STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColor(Uint8 *&ptr, const SDL_Color & Color)
{
PutColor(ptr, Color.r, Color.g, Color.b);
}
template <int incrementPtr>
STRONG_INLINE void ColorPutter<2, incrementPtr>::PutColorRow(Uint8 *&ptr, const SDL_Color & Color, size_t count)
{
//drop least significant bits of 24 bpp encoded color
Uint16 pixel = (Color.b>>3) + ((Color.g>>2) << 5) + ((Color.r>>3) << 11);
for (size_t i=0; i<count; i++)
{
memcpy(ptr, &pixel, 2);
if(incrementPtr == -1)
ptr -= 2;
if(incrementPtr == 1)
ptr += 2;
}
}
SDL_Surface * CSDL_Ext::newSurface(int w, int h, SDL_Surface * mod) //creates new surface, with flags/format same as in surface given
{
return SDL_CreateRGBSurface(mod->flags,w,h,mod->format->BitsPerPixel,mod->format->Rmask,mod->format->Gmask,mod->format->Bmask,mod->format->Amask);
}
SDL_Surface * CSDL_Ext::copySurface(SDL_Surface * mod) //returns copy of given surface
{
//return SDL_DisplayFormat(mod);
return SDL_ConvertSurface(mod, mod->format, mod->flags);
}
bool isItIn(const SDL_Rect * rect, int x, int y)
{
return (x>rect->x && x<rect->x+rect->w) && (y>rect->y && y<rect->y+rect->h);
}
void blitAt(SDL_Surface * src, int x, int y, SDL_Surface * dst)
{
if(!dst) dst = screen;
SDL_Rect pom = genRect(src->h,src->w,x,y);
CSDL_Ext::blitSurface(src,NULL,dst,&pom);
}
void blitAt(SDL_Surface * src, const SDL_Rect & pos, SDL_Surface * dst)
{
blitAt(src,pos.x,pos.y,dst);
}
SDL_Color genRGB(int r, int g, int b, int a=0)
{
SDL_Color ret;
ret.b=b;
ret.g=g;
ret.r=r;
ret.unused=a;
return ret;
}
void updateRect (SDL_Rect * rect, SDL_Surface * scr)
{
SDL_UpdateRect(scr,rect->x,rect->y,rect->w,rect->h);
}
void printAtMiddleWB(const std::string & text, int x, int y, TTF_Font * font, int charpr, SDL_Color kolor, SDL_Surface * dst)
{
std::vector<std::string> ws = CMessage::breakText(text,charpr);
std::vector<SDL_Surface*> wesu;
wesu.resize(ws.size());
for (size_t i=0; i < wesu.size(); ++i)
{
wesu[i]=TTF_RenderText_Blended(font,ws[i].c_str(),kolor);
}
int tox=0, toy=0;
for (size_t i=0; i < wesu.size(); ++i)
{
toy+=wesu[i]->h;
if (tox < wesu[i]->w)
tox=wesu[i]->w;
}
int evx, evy = y - (toy/2);
for (size_t i=0; i < wesu.size(); ++i)
{
evx = (x - (tox/2)) + ((tox-wesu[i]->w)/2);
blitAt(wesu[i],evx,evy,dst);
evy+=wesu[i]->h;
}
for (size_t i=0; i < wesu.size(); ++i)
SDL_FreeSurface(wesu[i]);
}
void printAtWB(const std::string & text, int x, int y, TTF_Font * font, int charpr, SDL_Color kolor, SDL_Surface * dst)
{
std::vector<std::string> ws = CMessage::breakText(text,charpr);
std::vector<SDL_Surface*> wesu;
wesu.resize(ws.size());
for (size_t i=0; i < wesu.size(); ++i)
wesu[i]=TTF_RenderText_Blended(font,ws[i].c_str(),kolor);
int evy = y;
for (size_t i=0; i < wesu.size(); ++i)
{
blitAt(wesu[i],x,evy,dst);
evy+=wesu[i]->h;
}
for (size_t i=0; i < wesu.size(); ++i)
SDL_FreeSurface(wesu[i]);
}
void CSDL_Ext::printAtWB(const std::string & text, int x, int y, EFonts font, int charpr, SDL_Color kolor, SDL_Surface * dst)
{
if (graphics->fontsTrueType[font])
{
printAtWB(text,x, y, graphics->fontsTrueType[font], charpr, kolor, dst);
return;
}
const Font *f = graphics->fonts[font];
std::vector<std::string> ws = CMessage::breakText(text,charpr);
int cury = y;
for (size_t i=0; i < ws.size(); ++i)
{
printAt(ws[i], x, cury, font, kolor, dst);
cury += f->height;
}
}
void CSDL_Ext::printAtMiddleWB( const std::string & text, int x, int y, EFonts font, int charpr, SDL_Color kolor/*=Colors::Jasmine*/, SDL_Surface * dst/*=screen*/ )
{
if (graphics->fontsTrueType[font])
{
printAtMiddleWB(text,x, y, graphics->fontsTrueType[font], charpr, kolor, dst);
return;
}
const Font *f = graphics->fonts[font];
std::vector<std::string> ws = CMessage::breakText(text,charpr);
int totalHeight = ws.size() * f->height;
int cury = y - totalHeight/2;
for (size_t i=0; i < ws.size(); ++i)
{
printAt(ws[i], x - f->getWidth(ws[i].c_str())/2, cury, font, kolor, dst);
cury += f->height;
}
}
void printAtMiddle(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, ui8 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_Rect dstRect = genRect(temp->h, temp->w, x-(temp->w/2), y-(temp->h/2));
CSDL_Ext::blitSurface(temp, NULL, dst, &dstRect);
SDL_FreeSurface(temp);
}
void CSDL_Ext::printAtMiddle( const std::string & text, int x, int y, EFonts font, SDL_Color kolor/*=Colors::Cornsilk*/, SDL_Surface * dst/*=screen*/ )
{
if (graphics->fontsTrueType[font])
{
printAtMiddle(text,x, y, graphics->fontsTrueType[font], kolor, dst);
return;
}
const Font *f = graphics->fonts[font];
int nx = x - f->getWidth(text.c_str())/2,
ny = y - f->height/2;
printAt(text, nx, ny, font, kolor, dst);
}
void printAt(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, ui8 quality=2, bool refresh=false)
{
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_Rect dstRect = genRect(temp->h,temp->w,x,y);
CSDL_Ext::blitSurface(temp,NULL,dst,&dstRect);
if(refresh)
SDL_UpdateRect(dst,x,y,temp->w,temp->h);
SDL_FreeSurface(temp);
}
void CSDL_Ext::printAt( const std::string & text, int x, int y, EFonts font, SDL_Color kolor/*=Colors::Cornsilk*/, SDL_Surface * dst/*=screen*/ )
{
if(!text.size())
return;
if (graphics->fontsTrueType[font])
{
printAt(text,x, y, graphics->fontsTrueType[font], kolor, dst);
return;
}
assert(dst);
assert(font < Graphics::FONTS_NUMBER);
//assume BGR dst surface, TODO - make it general in a tidy way
assert(dst->format->Rshift > dst->format->Gshift);
assert(dst->format->Gshift > dst->format->Bshift);
const Font *f = graphics->fonts[font];
const Uint8 bpp = dst->format->BytesPerPixel;
Uint8 *px = NULL;
Uint8 *src = NULL;
TColorPutter colorPutter = getPutterFor(dst, false);
//if text is in {} braces, we'll ommit them
const int first = (text[0] == '{' ? 1 : 0);
const int beyondEnd = (text[text.size()-1] == '}' ? text.size()-1 : text.size());
for(int txti = first; txti < beyondEnd; txti++)
{
const ui8 c = text[txti];
x += f->chars[c].unknown1;
for(int i = std::max(0, -y); i < f->height && (y + i) < (dst->h - 1); i++)
{
px = (Uint8*)dst->pixels;
px += (y+i) * dst->pitch + x * bpp;
src = f->chars[c].pixels;
src += i * f->chars[c].width;//if we have reached end of surface in previous line
for(int j = std::max(0, -x); j < f->chars[c].width && (j + x) < (dst->w - 1); j++)
{
switch(*src)
{
case 1: //black "shadow"
memset(px, 0, bpp);
break;
case 255: //text colour
colorPutter(px, kolor.r, kolor.g, kolor.b);
break;
}
src++;
px += bpp;
}
}
x += f->chars[c].width;
x += f->chars[c].unknown2;
}
}
void printTo(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, ui8 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_Rect dstRect = genRect(temp->h,temp->w,x-temp->w,y-temp->h);
CSDL_Ext::blitSurface(temp,NULL,dst,&dstRect);
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/*=Colors::Cornsilk*/, SDL_Surface * dst/*=screen*/ )
{
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);
}
void printToWR(const std::string & text, int x, int y, TTF_Font * font, SDL_Color kolor, SDL_Surface * dst, ui8 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_Rect dstRect = genRect(temp->h,temp->w,x-temp->w,y-temp->h);
CSDL_Ext::blitSurface(temp,NULL,dst,&dstRect);
SDL_FreeSurface(temp);
}
// 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)
{
CSDL_Ext::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_PutPixelWithoutRefreshIfInSurf(sur,x+i,y,color.x,color.y,color.z);
SDL_PutPixelWithoutRefreshIfInSurf(sur,x+i,y+h-1,color.x,color.y,color.z);
}
for(int i = 0; i < h; i++)
{
SDL_PutPixelWithoutRefreshIfInSurf(sur,x,y+i,color.x,color.y,color.z);
SDL_PutPixelWithoutRefreshIfInSurf(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, ui8 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";
}
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 (x < 0 || y < 0 || x >= srf->w || y >= srf->h)
return true;
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->h)
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)
{
ui8 * pixels = (ui8*)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)
{
ui8 * pixels = (ui8*)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::runtime_error("Unsuppoerted efftct!");
}
}
void CSDL_Ext::blitSurface( SDL_Surface * src, SDL_Rect * srcRect, SDL_Surface * dst, SDL_Rect * dstRect )
{
if (dst != screen)
{
SDL_BlitSurface(src, srcRect, dst, dstRect);
}
else
{
SDL_Rect betterDst;
if (dstRect)
{
betterDst = *dstRect;
}
else
{
betterDst = Rect(0, 0, dst->w, dst->h);
}
SDL_BlitSurface(src, srcRect, dst, &betterDst);
}
}
void CSDL_Ext::fillRect( SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color )
{
SDL_Rect newRect;
if (dstrect)
{
newRect = *dstrect;
}
else
{
newRect = Rect(0, 0, dst->w, dst->h);
}
SDL_FillRect(dst, &newRect, color);
}
std::string CSDL_Ext::trimToFit(std::string text, int widthLimit, EFonts font)
{
int widthSoFar = 0;
for(auto i = text.begin(); i != text.end(); i++)
{
widthSoFar += graphics->fonts[font]->getCharWidth(*i);
if(widthSoFar > widthLimit)
{
//remove all characteres past limit
text.erase(i, text.end());
break;
}
}
return text;
}
SDL_Surface * CSDL_Ext::std32bppSurface = NULL;
//instantiation of templates used in CAnimation and CCreatureAnimation, required for correct linking
template struct ColorPutter<2,-1>;
template struct ColorPutter<3,-1>;
template struct ColorPutter<4,-1>;
template struct ColorPutter<2, 0>;
template struct ColorPutter<3, 0>;
template struct ColorPutter<4, 0>;
template struct ColorPutter<2, 1>;
template struct ColorPutter<3, 1>;
template struct ColorPutter<4, 1>;
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