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SDL: Now painting outside is not error + more changes

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git-svn-id: svn://ultimatepp.org/upp/trunk@2863 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
koldo 2010-11-22 21:46:45 +00:00
parent 3e5b69043e
commit 85420c618a
3 changed files with 71 additions and 29 deletions
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73
bazaar/SDL/SDLSurface.cpp
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@ -14,6 +14,13 @@ SDLSurface::SDLSurface(SDL_Surface *_surface, bool _del) {
del = _del;
}
SDLSurface::SDLSurface(int width, int height, int bpp) {
if (surface = SDL_CreateRGBSurface(0, width, height, bpp, 0x0000FF, 0x00FF00, 0xFF0000, 0))
del = true;
else
del = false;
}
SDLSurface::~SDLSurface() {
if (del)
SDL_FreeSurface(surface);
@ -31,22 +38,60 @@ void SDLSurface::Unlock() {
SDL_UnlockSurface(surface);
}
void ToSDL_Rect(SDL_Rect &sdlrect, Rect &rect) {
sdlrect.x = rect.left;
sdlrect.y = rect.top;
sdlrect.w = rect.GetWidth();
sdlrect.h = rect.GetHeight();
}
bool SDLSurface::Blit(SDLSurface &surf, Rect source, Rect dest) {
SDL_Rect sdlsource, *psdlsource;
SDL_Rect sdldest, *psdldest;
if (!IsNull(source)) {
ToSDL_Rect(sdlsource, source);
psdlsource = &sdlsource;
} else
psdlsource = 0;
if (!IsNull(dest)) {
ToSDL_Rect(sdldest, dest);
psdldest = &sdldest;
} else
psdldest = 0;
if (0 != SDL_BlitSurface(surf.surface, psdlsource, surface, psdldest))
return false;
if (0 != SDL_Flip(surface))
return false;
return true;
}
inline byte *SDLSurface::GetPixelPos(int x, int y) {
if (x < 0 || y < 0|| x >= surface->w || y >= surface->h)
return 0;
return (byte *)surface->pixels + surface->pitch*y + surface->format->BytesPerPixel*x;
}
void SDLSurface::DrawPixel(int x, int y, Color color) {
Uint32 scolor = GetColor(color);
memcpy(GetPixelPos(x, y), &scolor, surface->format->BytesPerPixel);
byte *pixelpos = GetPixelPos(x, y);
if (pixelpos)
memcpy(pixelpos, &scolor, surface->format->BytesPerPixel);
}
inline void SDLSurface::DrawPixel(int x, int y, Uint32 scolor) {
memcpy(GetPixelPos(x, y), &scolor, surface->format->BytesPerPixel);
byte *pixelpos = GetPixelPos(x, y);
if (pixelpos)
memcpy(pixelpos, &scolor, surface->format->BytesPerPixel);
}
Color SDLSurface::GetPixel(int x, int y) {
Uint32 scolor;
memcpy(&scolor, GetPixelPos(x, y), surface->format->BytesPerPixel);
byte *pixelpos = GetPixelPos(x, y);
if (!pixelpos)
return Null;
memcpy(&scolor, pixelpos, surface->format->BytesPerPixel);
Uint8 r, g, b;
SDL_GetRGB(scolor, surface->format, &r, &g, &b);
return Color(r, g, b);
@ -111,11 +156,10 @@ void SDLSurface::DrawLine(int x0, int y0, int x1, int y1, int thick, Color color
}
void SDLSurface::DrawRect(int x, int y, int width, int height, int thick, Color color) {
int t = thick/2;
FillRect(x+t, y-t, width-thick, thick, color);
FillRect(x+t, y-t+height, width-thick, thick, color);
FillRect(x-t, y-t, thick, height+thick, color);
FillRect(x-t+width, y-t, thick, height+thick, color);
FillRect(x, y, width, thick, color);
FillRect(x, y+thick, thick, height-2*thick, color);
FillRect(x+width-thick, y+thick, thick, height-2*thick, color);
FillRect(x, y+height-thick, width, thick, color);
}
void SDLSurface::FillRect(int x, int y, int width, int height, Color color) {
@ -161,16 +205,8 @@ void SDLSurface::DrawCircle1(int x0, int y0, int radius, Color color) {
}
void SDLSurface::DrawCircle(int x0, int y0, int radius, int thick, Color color) {
if (thick == 1)
DrawCircle1(x0, y0, radius, color);
else {
int max = thick/2;
for (int i = 0; i < max; ++i) {
DrawCircle1(x0, y0, radius + i, color);
if (Odd(i))
DrawCircle1(x0, y0, radius - i, color);
}
}
for (int i = 0; i < thick; ++i)
DrawCircle1(x0, y0, radius - i, color);
}
void SDLSurface::FillCircle(int cx, int cy, int radius, Color color) {
@ -191,4 +227,3 @@ void SDLSurface::FillCircle(int cx, int cy, int radius, Color color) {
}
}
}