Image *newImage(unsigned int width, unsigned int height, unsigned int depth)
{
Image *image;
- const unsigned int bytes_per_pixel = 1;
+ unsigned int bytes_per_pixel = (depth + 7) / 8;
int i;
+#if 0
if (depth > 8)
Error(ERR_EXIT, "images with more than 256 colors are not supported");
depth = 8;
+#endif
image = checked_malloc(sizeof(Image));
image->data = checked_malloc(width * height * bytes_per_pixel);
image->width = width;
image->height = height;
image->depth = depth;
- image->rgb.used = 0;
+ image->bytes_per_pixel = bytes_per_pixel;
+ image->bytes_per_row = width * bytes_per_pixel;
+ image->rgb.used = 0;
for (i=0; i<MAX_COLORS; i++)
image->rgb.color_used[i] = FALSE;
image->type = (depth < 8 ? IMAGETYPE_BITMAP :
depth > 8 ? IMAGETYPE_TRUECOLOR : IMAGETYPE_RGB);
- image->bytes_per_row = (depth + 7) / 8;
- image->bytes_per_row *= width;
-
return image;
}
{
byte *src_ptr, *dst_ptr, *dst_ptr2;
unsigned int bytes_per_row;
- unsigned int x, y;
+ unsigned int x, y, i;
byte bitmask;
byte *mask_data;
Pixmap mask_pixmap;
for (x=0; x<image->width; x++)
{
- if (*src_ptr++) /* source pixel solid? (pixel index != 0) */
- *dst_ptr2 |= bitmask; /* then write a bit into the image mask */
+ for (i=0; i<image->bytes_per_pixel; i++)
+ if (*src_ptr++) /* source pixel solid? (pixel index != 0) */
+ *dst_ptr2 |= bitmask; /* then write a bit into the image mask */
if ((bitmask <<= 1) == 0) /* bit at rightmost byte position reached? */
{
static int num_cmap_entries, free_cmap_entries;
static boolean private_cmap = FALSE;
Pixel *redvalue, *greenvalue, *bluevalue;
- unsigned int a, c = 0, x, y, bytes_per_pixel, bits_per_pixel;
+ unsigned int display_bytes_per_pixel, display_bits_per_pixel;
+ unsigned int a, c = 0, x, y;
XColor xcolor;
XImage *ximage;
XImageInfo *ximageinfo;
byte *src_ptr, *dst_ptr;
+ if (image->type == IMAGETYPE_TRUECOLOR && depth == 8)
+ Error(ERR_EXIT, "cannot handle true-color images on 8-bit display");
+
if (!global_cmap)
{
if (visual == DefaultVisual(display, screen))
/* create XImage from internal image structure and convert it to Pixmap */
- bits_per_pixel = bitsPerPixelAtDepth(display, screen, depth);
- bytes_per_pixel = (bits_per_pixel + 7) / 8;
+ display_bits_per_pixel = bitsPerPixelAtDepth(display, screen, depth);
+ display_bytes_per_pixel = (display_bits_per_pixel + 7) / 8;
ximage = XCreateImage(display, visual, depth, ZPixmap, 0,
NULL, image->width, image->height,
- 8, image->width * bytes_per_pixel);
+ 8, image->width * display_bytes_per_pixel);
ximage->data =
- checked_malloc(image->width * image->height * bytes_per_pixel);
+ checked_malloc(image->width * image->height * display_bytes_per_pixel);
ximage->byte_order = MSBFirst;
src_ptr = image->data;
redvalue[image->rgb.red[pixval] >> 8] |
greenvalue[image->rgb.green[pixval] >> 8] |
bluevalue[image->rgb.blue[pixval] >> 8];
- value_to_memory(pixval, dst_ptr, bytes_per_pixel);
- dst_ptr += bytes_per_pixel;
+ value_to_memory(pixval, dst_ptr, display_bytes_per_pixel);
+ dst_ptr += display_bytes_per_pixel;
}
}
break;
{
for (x=0; x<image->width; x++)
{
- pixval = memory_to_value(src_ptr, image->depth);
+ pixval = memory_to_value(src_ptr, image->bytes_per_pixel);
pixval =
redvalue[TRUECOLOR_RED(pixval)] |
greenvalue[TRUECOLOR_GREEN(pixval)] |
bluevalue[TRUECOLOR_BLUE(pixval)];
- value_to_memory(pixval, dst_ptr, bytes_per_pixel);
- src_ptr += image->depth;
- dst_ptr += bytes_per_pixel;
+ value_to_memory(pixval, dst_ptr, display_bytes_per_pixel);
+ src_ptr += image->bytes_per_pixel;
+ dst_ptr += display_bytes_per_pixel;
}
}
break;
case PseudoColor:
{
- if (bytes_per_pixel == 1) /* (common) special case */
+ if (display_bytes_per_pixel == 1) /* special case */
{
for (y=0; y<image->height; y++)
for (x=0; x<image->width; x++)
for (x=0; x<image->width; x++)
{
value_to_memory(ximageinfo->index[c + *src_ptr++],
- dst_ptr, bytes_per_pixel);
- dst_ptr += bytes_per_pixel;
+ dst_ptr, display_bytes_per_pixel);
+ dst_ptr += display_bytes_per_pixel;
}
}
}
options.ro_base_directory = RO_BASE_PATH;
options.rw_base_directory = RW_BASE_PATH;
options.level_directory = RO_BASE_PATH "/" LEVELS_DIRECTORY;
+ options.graphics_directory = RO_BASE_PATH "/" GRAPHICS_DIRECTORY;
options.serveronly = FALSE;
options.network = FALSE;
options.verbose = FALSE;
" -d, --display machine:0 X server display\n"
" -b, --basepath directory alternative base directory\n"
" -l, --level directory alternative level directory\n"
- " -s, --serveronly only start network server\n"
+ " -g, --graphics directory alternative graphics directory\n"
" -n, --network network multiplayer game\n"
+ " -s, --serveronly only start network server\n"
" -v, --verbose verbose mode\n"
" --debug display debugging information\n",
program.command_basename);
if (option_arg == next_option)
options_left++;
}
+ else if (strncmp(option, "-graphics", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ options.graphics_directory = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+ }
else if (strncmp(option, "-network", option_len) == 0)
{
options.network = TRUE;
char *x11_icon_basename, char *x11_iconmask_basename,
char *msdos_pointer_basename)
{
- char *gfx_dir = getPath2(options.ro_base_directory, GRAPHICS_DIRECTORY);
- char *x11_icon_filename = getPath2(gfx_dir, x11_icon_basename);
- char *x11_iconmask_filename = getPath2(gfx_dir, x11_iconmask_basename);
- char *msdos_pointer_filename = getPath2(gfx_dir, msdos_pointer_basename);
-
- free(gfx_dir);
+ char *x11_icon_filename =
+ getPath2(options.graphics_directory, x11_icon_basename);
+ char *x11_iconmask_filename =
+ getPath2(options.graphics_directory, x11_iconmask_basename);
+ char *msdos_pointer_filename =
+ getPath2(options.graphics_directory, msdos_pointer_basename);
#if defined(PLATFORM_UNIX)
program.userdata_directory = unix_userdata_directory;
Bitmap *LoadImage(char *basename)
{
Bitmap *new_bitmap;
- char *filename = getPath3(options.ro_base_directory, GRAPHICS_DIRECTORY,
- basename);
+ char *filename = getPath2(options.graphics_directory, basename);
#if defined(TARGET_SDL)
new_bitmap = SDLLoadImage(filename);
/* got appropriate visual? */
if (depth < 8)
- {
- printf("Sorry, displays with less than 8 bits per pixel not supported.\n");
- exit(-1);
- }
+ Error(ERR_EXIT, "X11 display not supported (less than 8 bits per pixel)");
else if ((depth ==8 && visual->class != PseudoColor) ||
(depth > 8 && visual->class != TrueColor &&
visual->class != DirectColor))
- {
- printf("Sorry, cannot get appropriate visual.\n");
- exit(-1);
- }
+ Error(ERR_EXIT, "X11 display not supported (inappropriate visual)");
#endif /* !PLATFORM_MSDOS */
}
PropModePrepend, (unsigned char *) &delete_atom, 1);
#if 0
- sprintf(icon_filename, "%s/%s/%s",
- options.ro_base_directory, GRAPHICS_DIRECTORY,
+ sprintf(icon_filename, "%s/%s", options.graphics_directory,
icon_pic.picture_filename);
#endif
if (XReadBitmapFile(display, new_window->drawable,
program.x11_icon_filename);
#if 0
- sprintf(icon_filename, "%s/%s/%s",
- options.ro_base_directory, GRAPHICS_DIRECTORY,
+ sprintf(icon_filename, "%s/%s", options.graphics_directory,
icon_pic.picturemask_filename);
#endif
if (XReadBitmapFile(display, new_window->drawable,