void
vgaputi(int16_t x, int16_t y, uint8_t * p, int16_t w, int16_t h)
{
VGLBitmap *tmp;
struct PendNode tmpn;
struct PendNode *newn;
static int pending_match = 0;
tmpn.realx = virt2scrx(x);
tmpn.realy = virt2scry(y);
tmpn.realw = virt2scrw(w * 4);
tmpn.realh = virt2scrh(h);
newn = find_pending(&tmpn);
if (newn == NULL) {
newn = malloc(sizeof (struct PendNode));
memset(newn, 0x00, (sizeof (struct PendNode)));
newn->realx = tmpn.realx;
newn->realy = tmpn.realy;
newn->realw = tmpn.realw;
newn->realh = tmpn.realh;
pendappend(newn);
} else {
rect_merge(newn, &tmpn);
pending_match += 1;
if (pending_match < 10 || pending_match % 50 == 0) {
fprintf(stderr, "vgaputi: pending_match = %d\n", pending_match);
}
}
memcpy(&tmp, p, (sizeof(VGLBitmap *)));
VGLBitmapCopy(tmp, 0, 0, sVGLDisplay, tmpn.realx, tmpn.realy, tmpn.realw, tmpn.realh);
}
void vgaputi(int16_t x, int16_t y, uint8_t *p, int16_t w, int16_t h)
{
SDL_Surface *tmp;
SDL_Palette *reserv;
struct PendNode *newn, *ptr;
newn = malloc(sizeof(struct PendNode));
memset(newn, 0x00, (sizeof(struct PendNode)));
newn->rect.x = virt2scrx(x);
newn->rect.y = virt2scry(y);
newn->rect.w = virt2scrw(w * 4);
newn->rect.h = virt2scrh(h);
memcpy(&tmp, p, (sizeof(SDL_Surface *)));
reserv = tmp->format->palette;
tmp->format->palette = screen->format->palette;
SDL_BlitSurface(tmp, NULL, screen, &newn->rect);
tmp->format->palette = reserv;
/*
* Following piece of code comparing already pending updates with current with
* main goal to prevent redrawing overlapping rectangles several times.
*/
for (ptr = First; ptr != NULL; ptr = ptr->nextnode)
{
if ((newn->rect.x >= ptr->rect.x) &&
(newn->rect.y >= ptr->rect.y) &&
((newn->rect.x + newn->rect.w) <= (ptr->rect.x + ptr->rect.w)) &&
((newn->rect.y + newn->rect.h) <= (ptr->rect.y + ptr->rect.h)))
{
free(newn);
return;
}
else if ((newn->rect.x <= ptr->rect.x) &&
(newn->rect.y <= ptr->rect.y) &&
((newn->rect.x + newn->rect.w) >= (ptr->rect.x + ptr->rect.w)) &&
((newn->rect.y + newn->rect.h) >= (ptr->rect.y + ptr->rect.h)))
{
ptr->rect.x = newn->rect.x;
ptr->rect.y = newn->rect.y;
ptr->rect.w = newn->rect.w;
ptr->rect.h = newn->rect.h;
free(newn);
return;
}
}
if (pendnum == 0)
First = newn;
else
{
Last->nextnode = newn;
newn->prevnode = Last;
}
Last = newn;
pendnum++;
}
SDL_Surface *ch2bmap(Uint3 *sprite, Sint4 w, Sint4 h)
{
Sint4 realw, realh;
SDL_Surface *tmp;
realw = virt2scrw(w*4);
realh = virt2scrh(h);
tmp = SDL_CreateRGBSurfaceFrom(sprite, realw, realh, 8, realw, 0, 0, 0, 0);
SDL_SetPaletteColors(tmp->format->palette, screen->format->palette->colors, 0, screen->format->palette->ncolors);
return(tmp);
}
SDL_Surface *ch2bmap(uint8_t *sprite, int16_t w, int16_t h)
{
int16_t realw, realh;
SDL_Surface *tmp;
realw = virt2scrw(w*4);
realh = virt2scrh(h);
tmp = SDL_CreateRGBSurfaceFrom(sprite, realw, realh, 8, realw, 0, 0, 0, 0);
SDL_SetColors(tmp, screen->format->palette->colors, 0, screen->format->palette->ncolors);
return(tmp);
}
VGLBitmap *
ch2bmap(uint8_t * sprite, int16_t w, int16_t h)
{
int16_t realw, realh;
VGLBitmap *tmp;
realw = virt2scrw(w * 4);
realh = virt2scrh(h);
tmp = VGLBitmapCreate(MEMBUF, realw, realh, NULL);
tmp->Bitmap = sprite;
return (tmp);
}
void vgageti(int16_t x, int16_t y, uint8_t *p, int16_t w, int16_t h)
{
SDL_Surface *tmp;
SDL_Rect src;
memcpy(&tmp, p, (sizeof (SDL_Surface *)));
if (tmp != NULL)
SDL_FreeSurface(tmp); /* Destroy previously allocated bitmap */
src.x = virt2scrx(x);
src.y = virt2scry(y);
src.w = virt2scrw(w*4);
src.h = virt2scrh(h);
tmp = SDL_CreateRGBSurface(SDL_SWSURFACE, src.w, src.h, 8, 0, 0, 0, 0);
SDL_SetColors(tmp, screen->format->palette->colors, 0, screen->format->palette->ncolors);
SDL_BlitSurface(screen, &src, tmp, NULL);
memcpy(p, &tmp, (sizeof (SDL_Surface *)));
}
void
vgageti(int16_t x, int16_t y, uint8_t * p, int16_t w, int16_t h)
{
struct PendNode *ptr;
VGLBitmap *tmp;
int16_t realx, realy, realh, realw;
memcpy(&tmp, p, (sizeof(VGLBitmap *)));
if (tmp != NULL)
VGLBitmapDestroy(tmp); /* Destroy previously allocated bitmap */
realx = virt2scrx(x);
realy = virt2scry(y);
realw = virt2scrw(w * 4);
realh = virt2scrh(h);
tmp = VGLBitmapCreate(MEMBUF, realw, realh, NULL);
VGLBitmapAllocateBits(tmp);
VGLBitmapCopy(sVGLDisplay, realx, realy, tmp, 0, 0, realw, realh);
memcpy(p, &tmp, (sizeof(VGLBitmap *)));
}