VoxelFile::VoxelFile(const QString & filename)
: data(NULL), model(NULL), shape(NULL)
{
load_palette();
load(filename);
}
VoxelFile::VoxelFile()
: data(NULL), model(NULL), shape(NULL)
{
load_palette();
}
VoxelFile::VoxelFile(QFile & fp)
: data(NULL), model(NULL), shape(NULL)
{
load_palette();
load_fp(fp);
}
static int
pcx_draw(video_adapter_t *adp)
{
u_char *vidmem;
int swidth, sheight, sbpsl, sdepth, splanes;
int banksize, origin;
int c, i, j, pos, scan, x, y;
u_char line[MAXSCANLINE];
if (pcx_info.zlen < 1)
return 1;
load_palette(adp, pcx_info.palette);
vidmem = (u_char *)adp->va_window;
swidth = adp->va_info.vi_width;
sheight = adp->va_info.vi_height;
sbpsl = adp->va_line_width;
sdepth = adp->va_info.vi_depth;
splanes = adp->va_info.vi_planes;
banksize = adp->va_window_size;
for (origin = 0; origin < sheight*sbpsl; origin += banksize) {
set_origin(adp, origin);
bzero(vidmem, banksize);
}
x = (swidth - pcx_info.width) / 2;
y = (sheight - pcx_info.height) / 2;
origin = 0;
pos = y * sbpsl + x;
while (pos > banksize) {
pos -= banksize;
origin += banksize;
}
set_origin(adp, origin);
for (scan = i = 0; scan < pcx_info.height; ++scan, ++y, pos += sbpsl) {
for (j = 0; j < pcx_info.bpsl && i < pcx_info.zlen; ++i) {
if ((pcx_info.zdata[i] & 0xc0) == 0xc0) {
c = pcx_info.zdata[i++] & 0x3f;
if (i >= pcx_info.zlen)
return 1;
} else {
c = 1;
}
if (j + c > pcx_info.bpsl)
return 1;
while (c--)
line[j++] = pcx_info.zdata[i];
}
if (pos > banksize) {
origin += banksize;
pos -= banksize;
set_origin(adp, origin);
}
if (pos + pcx_info.width > banksize) {
/* scanline crosses bank boundary */
j = banksize - pos;
bcopy(line, vidmem + pos, j);
origin += banksize;
pos -= banksize;
set_origin(adp, origin);
bcopy(line + j, vidmem, pcx_info.width - j);
} else {
bcopy(line, vidmem + pos, pcx_info.width);
}
}
return 0;
}