/**
* Wrapper around various software and OpenGL screen buffer pushing functions which zoom.
* Basically called just from Screen::flip()
*/
void Zoom::flipWithZoom(SDL_Surface *src, SDL_Surface *dst, OpenGL *glOut)
{
if (Screen::isOpenGLEnabled() && glOut->buffer_surface)
{
SDL_BlitSurface(src, 0, glOut->buffer_surface->getSurface(), 0); // TODO; this is less than ideal...
glOut->refresh(glOut->linear, glOut->iwidth, glOut->iheight, dst->w, dst->h);
SDL_GL_SwapBuffers();
} else
{
_zoomSurfaceY(src, dst, 0, 0);
}
}
/**
* Wrapper around various software and OpenGL screen buffer pushing functions which zoom.
* Basically called just from Screen::flip()
*
* @param src The surface to zoom (input).
* @param dst The zoomed surface (output).
* @param topBlackBand Size of top black band in pixels (letterboxing).
* @param bottomBlackBand Size of bottom black band in pixels (letterboxing).
* @param leftBlackBand Size of left black band in pixels (letterboxing).
* @param rightBlackBand Size of right black band in pixels (letterboxing).
* @param glOut OpenGL output.
*/
void Zoom::flipWithZoom(SDL_Surface *src, SDL_Surface *dst, int topBlackBand, int bottomBlackBand, int leftBlackBand, int rightBlackBand, OpenGL *glOut)
{
assert (0 && "not implemented");
#if 0
if (Screen::isOpenGLEnabled())
{
#ifndef __NO_OPENGL
if (glOut->buffer_surface)
{
SDL_BlitSurface(src, 0, glOut->buffer_surface->getSurface(), 0); // TODO; this is less than ideal...
glOut->refresh(glOut->linear, glOut->iwidth, glOut->iheight, dst->w, dst->h, topBlackBand, bottomBlackBand, leftBlackBand, rightBlackBand);
SDL_GL_SwapBuffers();
}
#endif
}
else if (topBlackBand <= 0 && bottomBlackBand <= 0 && leftBlackBand <= 0 && rightBlackBand <= 0)
{
_zoomSurfaceY(src, dst, 0, 0);
}
else if (dst->w - leftBlackBand - rightBlackBand == src->w && dst->h - topBlackBand - bottomBlackBand == src->h)
{
SDL_Rect dstrect = {(Sint16)leftBlackBand, (Sint16)topBlackBand, (Uint16)src->w, (Uint16)src->h};
SDL_BlitSurface(src, NULL, dst, &dstrect);
}
else
{
SDL_Surface *tmp = SDL_CreateRGBSurface(dst->flags, dst->w - leftBlackBand - rightBlackBand, dst->h - topBlackBand - bottomBlackBand, dst->format->BitsPerPixel, 0, 0, 0, 0);
_zoomSurfaceY(src, tmp, 0, 0);
if (src->format->palette != NULL)
{
SDL_SetPalette(tmp, SDL_LOGPAL|SDL_PHYSPAL, src->format->palette->colors, 0, src->format->palette->ncolors);
}
SDL_Rect dstrect = {(Sint16)leftBlackBand, (Sint16)topBlackBand, (Uint16)tmp->w, (Uint16)tmp->h};
SDL_BlitSurface(tmp, NULL, dst, &dstrect);
SDL_FreeSurface(tmp);
}
#endif
}
/**
* Renders the buffer's contents onto the screen, applying
* any necessary filters or conversions in the process.
* If the scaling factor is bigger than 1, the entire contents
* of the buffer are resized by that factor (eg. 2 = doubled)
* before being put on screen.
*/
void Screen::flip()
{
if (getWidth() != BASE_WIDTH || getHeight() != BASE_HEIGHT)
{
_zoomSurfaceY(_surface->getSurface(), _screen, 0, 0);
}
else
{
SDL_BlitSurface(_surface->getSurface(), 0, _screen, 0);
}
if (SDL_Flip(_screen) == -1)
{
throw Exception(SDL_GetError());
}
}
