void
vgaputim(int16_t x, int16_t y, int16_t ch, int16_t w, int16_t h)
{
VGLBitmap *tmp;
VGLBitmap *mask;
VGLBitmap *scr = NULL;
int16_t realsize;
int16_t i;
tmp = ch2bmap(sprites[ch * 2], w, h);
mask = ch2bmap(sprites[ch * 2 + 1], w, h);
vgageti(x, y, (uint8_t *) & scr, w, h);
realsize = scr->Xsize * scr->Ysize;
for (i = 0; i < realsize; i++)
if (tmp->Bitmap[i] != 0xff)
scr->Bitmap[i] = (scr->Bitmap[i] & mask->Bitmap[i]) | \
tmp->Bitmap[i];
vgaputi(x, y, (uint8_t *) & scr, w, h);
tmp->Bitmap = NULL; /* We should NULL'ify these ppointers, or the
* VGLBitmapDestroy */
mask->Bitmap = NULL; /* will shoot itself in the foot by trying to
* dellocate statically */
VGLBitmapDestroy(tmp); /* allocated arrays */
VGLBitmapDestroy(mask);
VGLBitmapDestroy(scr);
}
void vgaputim(int16_t x, int16_t y, int16_t ch, int16_t w, int16_t h)
{
SDL_Surface *tmp;
SDL_Surface *mask;
SDL_Surface *scr = NULL;
uint8_t *tmp_pxl, *mask_pxl, *scr_pxl;
int16_t realsize;
int16_t i;
tmp = ch2bmap(sprites[ch*2], w, h);
mask = ch2bmap(sprites[ch*2+1], w, h);
vgageti(x, y, (uint8_t *)&scr, w, h);
realsize = scr->w * scr->h;
tmp_pxl = (uint8_t *)tmp->pixels;
mask_pxl = (uint8_t *)mask->pixels;
scr_pxl = (uint8_t *)scr->pixels;
for(i=0;i<realsize;i++)
if(tmp_pxl[i] != 0xff)
scr_pxl[i] = (scr_pxl[i] & mask_pxl[i]) | \
tmp_pxl[i];
vgaputi(x, y, (uint8_t *)&scr, w, h);
tmp->pixels = NULL; /* We should NULL'ify these ppointers, or the VGLBitmapDestroy */
mask->pixels = NULL; /* will shoot itself in the foot by trying to dellocate statically */
SDL_FreeSurface(tmp);/* allocated arrays */
SDL_FreeSurface(mask);
SDL_FreeSurface(scr);
}
void switchmode(void)
{
uint32_t saved;
SDL_Surface *tmp = NULL;
SDL_Surface *oldscreen;
vgageti(0, 0, (uint8_t *)&tmp, 80, 200);
oldscreen = screen;
saved = addflag;
if(addflag == 0)
addflag = SDL_FULLSCREEN;
else
addflag = 0;
if(setmode() == false) {
addflag = saved;
if(setmode() == false) {
fprintf(stderr, "Fatal: failed to change videomode and"\
"fallback mode failed as well. Exitting.\n");
exit(1);
}
}
SDL_SetColors(screen, tmp->format->palette->colors, 0, \
tmp->format->palette->ncolors);
vgaputi(0, 0, (uint8_t *)&tmp, 80, 200);
SDL_FreeSurface(tmp);
SDL_FreeSurface(oldscreen);
}
void vgatitle(void)
{
SDL_Surface *tmp=NULL;
vgageti(0, 0, (uint8_t *)&tmp, 80, 200);
gettitle(tmp->pixels);
vgaputi(0, 0, (uint8_t *)&tmp, 80, 200);
SDL_FreeSurface(tmp);
}
void vgaclear(void)
{
SDL_Surface *tmp = NULL;
vgageti(0, 0, (uint8_t *)&tmp, 80, 200);
memset(tmp->pixels, 0x00, tmp->w*tmp->h);
vgaputi(0, 0, (uint8_t *)&tmp, 80, 200);
SDL_FreeSurface(tmp);
}
void vgatitle(void)
{
SDL_Surface *tmp=NULL;
vgageti(0, 0, (Uint3 *)&tmp, 80, 200);
gettitle((unsigned char*)tmp->pixels);
vgaputi(0, 0, (Uint3 *)&tmp, 80, 200);
SDL_FreeSurface(tmp);
}
void
vgatitle(void)
{
VGLBitmap *tmp = NULL;
vgageti(0, 0, (uint8_t *) & tmp, 80, 200);
gettitle(tmp->Bitmap);
vgaputi(0, 0, (uint8_t *) & tmp, 80, 200);
VGLBitmapDestroy(tmp);
}
void vgawrite(int16_t x, int16_t y, int16_t ch, int16_t c)
{
SDL_Surface *tmp;
uint8_t *copy;
uint8_t color;
int16_t w = 3, h = 12, size;
int16_t i;
if (((ch - 32) >= 0x5f) || (ch < 32))
return;
tmp = ch2bmap(alphas[ch - 32], w, h);
size = tmp->w * tmp->h;
copy = malloc(size);
memcpy(copy, tmp->pixels, size);
for (i = size; i != 0;)
{
i--;
color = copy[i];
if (color == 10)
{
if (c == 2)
color = 12;
else
{
if (c == 3)
color = 14;
}
}
else if (color == 12)
{
if (c == 1)
color = 2;
else if (c == 2)
color = 4;
else if (c == 3)
color = 6;
}
copy[i] = color;
}
tmp->pixels = copy;
vgaputi(x, y, (uint8_t *)&tmp, w, h);
SDL_FreeSurface(tmp);
free(copy);
}
void vgawrite(Sint4 x, Sint4 y, Sint4 ch, Sint4 c)
{
SDL_Surface *tmp;
Uint8 *copy;
Uint8 color;
Sint4 w=3, h=12, size;
Sint4 i;
if(((ch - 32) >= 0x5f) || (ch < 32))
return;
tmp = ch2bmap(alphas[ch-32], w, h);
size = tmp->w*tmp->h;
copy = new Uint8[size];
memcpy(copy, tmp->pixels, size);
for(i = size;i!=0;) {
i--;
color = copy[i];
if (color==10) {
if (c==2)
color=12;
else {
if (c==3)
color=14;
}
} else
if (color==12) {
if (c==1)
color=2;
else
if (c==2)
color=4;
else
if (c==3)
color=6;
}
copy[i] = color;
}
tmp->pixels = copy;
vgaputi(x, y, (Uint3 *)&tmp, w, h);
SDL_FreeSurface(tmp);
}
void
vgawrite(int16_t x, int16_t y, int16_t ch, int16_t c)
{
VGLBitmap *tmp;
uint8_t *copy;
uint8_t color;
int16_t w = 3, h = 12, size;
int16_t i;
if(((ch - 32) >= 0x5f) || (ch < 32))
return;
tmp = ch2bmap(alphas[ch - 32], w, h);
size = tmp->Xsize * tmp->Ysize;
copy = malloc(size);
memcpy(copy, tmp->Bitmap, size);
for (i = size; i != 0;) {
i--;
color = copy[i];
if (color == 10) {
if (c == 2)
color = 12;
else if (c == 3)
color = 14;
} else {
if (color == 12) {
if (c == 1)
color = 2;
else if (c == 2)
color = 4;
else if (c == 3)
color = 6;
}
}
copy[i] = color;
}
tmp->Bitmap = copy;
vgaputi(x, y, (uint8_t *) & tmp, w, h);
VGLBitmapDestroy(tmp);
}
