mirror of
https://github.com/vcmi/vcmi.git
synced 2024-11-24 08:32:34 +02:00
312 lines
8.6 KiB
C++
312 lines
8.6 KiB
C++
#include "stdafx.h"
|
|
#include "SDL_Extensions.h"
|
|
#include "SDL_TTF.h"
|
|
#include <iostream>
|
|
extern SDL_Surface * ekran;
|
|
extern SDL_Color tytulowy, tlo, zwykly ;
|
|
bool isItIn(const SDL_Rect * rect, int x, int y)
|
|
{
|
|
if ((x>rect->x && x<rect->x+rect->w) && (y>rect->y && y<rect->y+rect->h))
|
|
return true;
|
|
else return false;
|
|
}
|
|
SDL_Rect genRect(int hh, int ww, int xx, int yy)
|
|
{
|
|
SDL_Rect ret;
|
|
ret.h=hh;
|
|
ret.w=ww;
|
|
ret.x=xx;
|
|
ret.y=yy;
|
|
return ret;
|
|
}
|
|
void blitAt(SDL_Surface * src, int x, int y, SDL_Surface * dst=ekran)
|
|
{
|
|
SDL_BlitSurface(src,NULL,dst,&genRect(src->h,src->w,x,y));
|
|
}
|
|
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 = ekran)
|
|
{
|
|
SDL_UpdateRect(scr,rect->x,rect->y,rect->w,rect->h);
|
|
}
|
|
void printAt(std::string text, int x, int y, TTF_Font * font, SDL_Color kolor=tytulowy, SDL_Surface * dst=ekran)
|
|
{
|
|
SDL_Surface * temp = TTF_RenderText_Blended(font,text.c_str(),kolor);
|
|
SDL_BlitSurface(temp,NULL,dst,&genRect(temp->h,temp->w,x,y));
|
|
SDL_UpdateRect(dst,x,y,temp->w,temp->h);
|
|
SDL_FreeSurface(temp);
|
|
}
|
|
void CSDL_Ext::SDL_PutPixel(SDL_Surface *ekran, int x, int y, Uint8 R, Uint8 G, Uint8 B, int myC, Uint8 A)
|
|
{
|
|
Uint8 *p = (Uint8 *)ekran->pixels + y * ekran->pitch + x * ekran->format->BytesPerPixel-myC;
|
|
if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
|
|
{
|
|
p[0] = R;
|
|
p[1] = G;
|
|
p[2] = B;
|
|
}
|
|
else
|
|
{
|
|
p[0] = B;
|
|
p[1] = G;
|
|
p[2] = R;
|
|
}
|
|
SDL_UpdateRect(ekran, x, y, 1, 1);
|
|
}
|
|
|
|
///**************/
|
|
///Reverses the toRot surface by the vertical axis
|
|
///**************/
|
|
SDL_Surface * CSDL_Ext::rotate01(SDL_Surface * toRot, int myC)
|
|
{
|
|
SDL_Surface * first = SDL_CreateRGBSurface(toRot->flags, toRot->w, toRot->h, toRot->format->BitsPerPixel, toRot->format->Rmask, toRot->format->Gmask, toRot->format->Bmask, toRot->format->Amask);
|
|
SDL_Surface * ret = SDL_ConvertSurface(first, 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 + j * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel;
|
|
if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
|
|
{
|
|
CSDL_Ext::SDL_PutPixel(ret, i, j, p[0], p[1], p[2], myC);
|
|
}
|
|
else
|
|
{
|
|
CSDL_Ext::SDL_PutPixel(ret, i, j, p[2], p[1], p[0], myC);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
SDL_FreeSurface(first);
|
|
return ret;
|
|
}
|
|
SDL_Surface * CSDL_Ext::hFlip(SDL_Surface * toRot)
|
|
{
|
|
SDL_Surface * first = SDL_CreateRGBSurface(toRot->flags, toRot->w, toRot->h, toRot->format->BitsPerPixel, toRot->format->Rmask, toRot->format->Gmask, toRot->format->Bmask, toRot->format->Amask);
|
|
SDL_Surface * ret = SDL_ConvertSurface(first, 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 + (ret->h - j -1) * toRot->pitch + i * toRot->format->BytesPerPixel-2;
|
|
int k=2;
|
|
if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
|
|
{
|
|
CSDL_Ext::SDL_PutPixel(ret, i, j, p[0], p[1], p[2], k);
|
|
}
|
|
else
|
|
{
|
|
CSDL_Ext::SDL_PutPixel(ret, i, j, p[2], p[1], p[0], k);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
SDL_FreeSurface(first);
|
|
return ret;
|
|
};
|
|
|
|
///**************/
|
|
///Rotates toRot surface by 90 degrees left
|
|
///**************/
|
|
SDL_Surface * CSDL_Ext::rotate02(SDL_Surface * toRot)
|
|
{
|
|
SDL_Surface * first = SDL_CreateRGBSurface(toRot->flags, toRot->h, toRot->w, toRot->format->BitsPerPixel, toRot->format->Rmask, toRot->format->Gmask, toRot->format->Bmask, toRot->format->Amask);
|
|
SDL_Surface * ret = SDL_ConvertSurface(first, 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_PutPixel(ret, i, j, p[0], p[1], p[2]);
|
|
}
|
|
else
|
|
{
|
|
SDL_PutPixel(ret, i, j, p[2], p[1], p[0]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
SDL_FreeSurface(first);
|
|
return ret;
|
|
}
|
|
|
|
///*************/
|
|
///Rotates toRot surface by 180 degrees
|
|
///*************/
|
|
SDL_Surface * CSDL_Ext::rotate03(SDL_Surface * toRot)
|
|
{
|
|
SDL_Surface * first = SDL_CreateRGBSurface(toRot->flags, toRot->w, toRot->h, toRot->format->BitsPerPixel, toRot->format->Rmask, toRot->format->Gmask, toRot->format->Bmask, toRot->format->Amask);
|
|
SDL_Surface * ret = SDL_ConvertSurface(first, 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 + (ret->h - j - 1) * toRot->pitch + (ret->w - i - 1) * toRot->format->BytesPerPixel+2;
|
|
if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
|
|
{
|
|
SDL_PutPixel(ret, i, j, p[0], p[1], p[2], 2);
|
|
}
|
|
else
|
|
{
|
|
SDL_PutPixel(ret, i, j, p[2], p[1], p[0], 2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
SDL_FreeSurface(first);
|
|
return ret;
|
|
}
|
|
//converts surface to cursor
|
|
SDL_Cursor * CSDL_Ext::SurfaceToCursor(SDL_Surface *image, int hx, int hy)
|
|
{
|
|
int w, x, y;
|
|
Uint8 *data, *mask, *d, *m, r, g, b;
|
|
Uint32 color;
|
|
SDL_Cursor *cursor;
|
|
|
|
w = (image->w + 7) / 8;
|
|
data = (Uint8 *)alloca(w * image->h * 2);
|
|
if (data == NULL)
|
|
return NULL;
|
|
memset(data, 0, w * image->h * 2);
|
|
mask = data + w * image->h;
|
|
if (SDL_MUSTLOCK(image))
|
|
SDL_LockSurface(image);
|
|
for (y = 0; y < image->h; y++)
|
|
{
|
|
d = data + y * w;
|
|
m = mask + y * w;
|
|
for (x = 0; x < image->w; x++)
|
|
{
|
|
color = CSDL_Ext::SDL_GetPixel(image, x, y);
|
|
if ((image->flags & SDL_SRCCOLORKEY) == 0 || color != image->format->colorkey)
|
|
{
|
|
SDL_GetRGB(color, image->format, &r, &g, &b);
|
|
color = (r + g + b) / 3;
|
|
m[x / 8] |= 128 >> (x & 7);
|
|
if (color < 128)
|
|
d[x / 8] |= 128 >> (x & 7);
|
|
}
|
|
}
|
|
}
|
|
if (SDL_MUSTLOCK(image))
|
|
SDL_UnlockSurface(image);
|
|
cursor = SDL_CreateCursor(data, mask, w, image->h, hx, hy);
|
|
return cursor;
|
|
}
|
|
|
|
Uint32 CSDL_Ext::SDL_GetPixel(SDL_Surface *surface, int x, 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;
|
|
|
|
case 4:
|
|
return *(Uint32 *)p;
|
|
|
|
default:
|
|
return 0; /* shouldn't happen, but avoids warnings */
|
|
}
|
|
}
|
|
|
|
SDL_Surface * CSDL_Ext::alphaTransform(SDL_Surface *src)
|
|
{
|
|
Uint32 trans = SDL_MapRGBA(src->format, 0, 255, 255, 255);
|
|
//SDL_SetColorKey(src, SDL_SRCCOLORKEY, trans);
|
|
/*SDL_SetColorKey(src, 0, trans);
|
|
src = SDL_ConvertSurface(src, ekran->format, ekran->flags);
|
|
for(int i=0; i<src->w; ++i)
|
|
{
|
|
for(int j=0; j<src->h; ++j)
|
|
{
|
|
Uint8 cr, cg, cb, ca;
|
|
SDL_GetRGBA(SDL_GetPixel(src, i, j), src->format, &cr, &cg, &cb, &ca);
|
|
if(cr == 255 && cb == 255)
|
|
{
|
|
Uint32 aaaa=src->format->Amask;
|
|
Uint32 aaab=src->format->Bmask;
|
|
Uint32 aaag=src->format->Gmask;
|
|
Uint32 aaar=src->format->Rmask;
|
|
Uint32 put = cg << 24 | cr << 16 | ca << 8 | cb;
|
|
SDL_Rect rrr = genRect(1, 1, i, j);
|
|
SDL_FillRect(src, &rrr, put);
|
|
}
|
|
}
|
|
}*/
|
|
//SDL_UpdateRect(src, 0, 0, src->w, src->h);
|
|
SDL_SetColorKey(src, 0, trans);
|
|
src->flags|=SDL_SRCALPHA;
|
|
|
|
if(src->format->BitsPerPixel == 8)
|
|
{
|
|
for(int yy=0; yy<src->format->palette->ncolors; ++yy)
|
|
{
|
|
SDL_Color cur = *(src->format->palette->colors+yy);
|
|
if(cur.r == 255 && cur.b == 255)
|
|
{
|
|
SDL_Color shadow;
|
|
shadow.b = shadow.g = shadow.r = 0;
|
|
shadow.unused = cur.g + 25; //25 is a scalable constans to make it nicer
|
|
SDL_SetColors(src, &shadow, yy, 1);
|
|
}
|
|
if(cur.g == 255 && cur.b == 255)
|
|
{
|
|
SDL_Color transp;
|
|
transp.b = transp.g = transp.r = 0;
|
|
transp.unused = 255;
|
|
SDL_SetColors(src, &transp, yy, 1);
|
|
}
|
|
}
|
|
}
|
|
SDL_UpdateRect(src, 0, 0, src->w, src->h);
|
|
return src;
|
|
}
|
|
|
|
Uint32 CSDL_Ext::colorToUint32(const SDL_Color * color)
|
|
{
|
|
Uint32 ret = 0;
|
|
ret+=color->unused;
|
|
ret*=256;
|
|
ret+=color->b;
|
|
ret*=256;
|
|
ret+=color->g;
|
|
ret*=256;
|
|
ret+=color->r;
|
|
return ret;
|
|
}
|