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lepszy CPCXConv i zmiana klasy CSDL_Ext na przestrzeń nazw

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This commit is contained in:
mateuszb 2007-07-08 15:19:00 +00:00
parent 69e206346f
commit 895d4f4da8
3 changed files with 125 additions and 14 deletions
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111
CLodHandler.cpp
View File

@ -154,6 +154,117 @@ void CPCXConv::convert()
}
}
SDL_Surface * CPCXConv::getSurface()
{
SDL_Surface * ret;
BMPHeader bh;
BMPPalette pal[256];
Epcxformat format;
int fSize, maxx, maxy,i,y;
bool check1, check2;
unsigned char add;
int it=0;
fSize = readNormalNr(it,4,pcx);it+=4;
maxx = readNormalNr(it,4,pcx);it+=4;
maxy = readNormalNr(it,4,pcx);it+=4;
if (fSize==maxx*maxy*3)
check1=true;
else
check1=false;
if (fSize==maxx*maxy)
check2=true;
else
check2=false;
if (check1)
format=Epcxformat::PCX24B;
else if (check2)
format=Epcxformat::PCX8B;
else
return NULL;
bh.x=maxx;
bh.y=maxy;
add=(int)(4*(((float)1)-(((float)maxx/(float)4)-((int)((float)maxx/(float)4)))));
if (add==4)
add=0;
if (format==Epcxformat::PCX8B)
{
bh._c1=0x436;
bh._c2=0x28;
bh._c3=1;
bh._c4=8;
bh.dataSize2=bh.dataSize1=maxx*maxy;
bh.fullSize = bh.dataSize1+436;
}
else
{
bh._c1=0x36;
bh._c2=0x28;
bh._c3=1;
bh._c4=0x18;
bh.dataSize2=bh.dataSize1=0xB12;
bh.fullSize=(maxx+add)*maxy*3+36;
}
if (format==Epcxformat::PCX8B)
{
it = pcxs-256*3;
for (int i=0;i<256;i++)
{
pal[i].R=pcx[it++];
pal[i].G=pcx[it++];
pal[i].B=pcx[it++];
pal[i].F='\0';
}
}
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
int rmask = 0xff000000;
int gmask = 0x00ff0000;
int bmask = 0x0000ff00;
int amask = 0x000000ff;
#else
int rmask = 0x000000ff;
int gmask = 0x0000ff00;
int bmask = 0x00ff0000;
int amask = 0xff000000;
#endif
ret = SDL_CreateRGBSurface(SDL_SWSURFACE, maxx, maxy, (format==Epcxformat::PCX8B ? 8 : 24), rmask, gmask, bmask, amask);
if (format==Epcxformat::PCX8B)
{
for(int i=0; i<256; ++i)
{
SDL_Color pr;
pr.r = pal[i].R;
pr.g = pal[i].G;
pr.b = pal[i].B;
pr.unused = pal[i].F;
(*(ret->format->palette->colors+i)) = pr;
}
for(y=maxy; y>0; --y)
{
it = 0xc + (y-1)*maxx;
for(int j=0; j<maxx; ++j)
*((char*)ret->pixels + ret->format->BytesPerPixel * (y*(maxx+add) + j)) = pcx[it+j];
for(int j=0; j<add; ++j)
*((char*)ret->pixels + ret->format->BytesPerPixel * (y*(maxx+add) + maxx + j)) = 0;
}
}
else
{
for(int y=maxy; y>0; --y)
{
it = 0xc + (y-1)*maxx*3;
for(int j=0; j<maxx*3; ++j)
{
*((char*)ret->pixels + (y*(maxx+add) + j)) = pcx[it+j];
}
for(int j=0; j<add*3; ++j)
{
*((char*)ret->pixels + (y*(maxx+add) + j)) = 0;
}
}
}
return ret;
}
// if PFileType=pcx24bit then
// for y:=MaxY downto 1 do

1
CLodHandler.h
View File

@ -43,6 +43,7 @@ public:
void openPCX(char * PCX, int len);
void openPCX();
void convert();
SDL_Surface * getSurface();
CPCXConv(){pcx=bmp=NULL;pcxs=bmps=0;};
~CPCXConv(){if (pcxs) delete pcx; if(bmps) delete bmp;}
};

27
SDL_Extensions.h
View File

@ -6,21 +6,20 @@
extern SDL_Surface * ekran;
extern SDL_Color tytulowy, tlo, zwykly ;
class CSDL_Ext
namespace CSDL_Ext
{
public:
static void SDL_PutPixel(SDL_Surface *ekran, int x, int y, Uint8 R, Uint8 G, Uint8 B, int myC=0, Uint8 A = 255); //myC influences the start of reading pixels
static SDL_Surface * rotate01(SDL_Surface * toRot, int myC = 2); //vertical flip
static SDL_Surface * hFlip(SDL_Surface * toRot); //horizontal flip
static SDL_Surface * rotate02(SDL_Surface * toRot); //rotate 90 degrees left
static SDL_Surface * rotate03(SDL_Surface * toRot); //rotate 180 degrees
static SDL_Cursor * SurfaceToCursor(SDL_Surface *image, int hx, int hy);
static Uint32 SDL_GetPixel(SDL_Surface *surface, int x, int y, bool colorByte = false);
static SDL_Color SDL_GetPixelColor(SDL_Surface *surface, int x, int y);
static SDL_Surface * alphaTransform(SDL_Surface * src); //adds transparency and shadows (partial handling only; see examples of using for details)
static SDL_Surface * secondAlphaTransform(SDL_Surface * src, SDL_Surface * alpha); //alpha is a surface we want to blit src to
static Uint32 colorToUint32(const SDL_Color * color); //little endian only
static void printAt(std::string text, int x, int y, TTF_Font * font, SDL_Color kolor=tytulowy, SDL_Surface * dst=ekran, unsigned char quality = 2); // quality: 0 - lowest, 1 - medium, 2 - highest
void SDL_PutPixel(SDL_Surface *ekran, int x, int y, Uint8 R, Uint8 G, Uint8 B, int myC=0, Uint8 A = 255); //myC influences the start of reading pixels
SDL_Surface * rotate01(SDL_Surface * toRot, int myC = 2); //vertical flip
SDL_Surface * hFlip(SDL_Surface * toRot); //horizontal flip
SDL_Surface * rotate02(SDL_Surface * toRot); //rotate 90 degrees left
SDL_Surface * rotate03(SDL_Surface * toRot); //rotate 180 degrees
SDL_Cursor * SurfaceToCursor(SDL_Surface *image, int hx, int hy);
Uint32 SDL_GetPixel(SDL_Surface *surface, int x, int y, bool colorByte = false);
SDL_Color SDL_GetPixelColor(SDL_Surface *surface, int x, int y);
SDL_Surface * alphaTransform(SDL_Surface * src); //adds transparency and shadows (partial handling only; see examples of using for details)
SDL_Surface * secondAlphaTransform(SDL_Surface * src, SDL_Surface * alpha); //alpha is a surface we want to blit src to
Uint32 colorToUint32(const SDL_Color * color); //little endian only
void printAt(std::string text, int x, int y, TTF_Font * font, SDL_Color kolor=tytulowy, SDL_Surface * dst=ekran, unsigned char quality = 2); // quality: 0 - lowest, 1 - medium, 2 - highest
};
#endif // SDL_EXTENSIONS_H