static int gifdrv_close_memmap(void)
{
VICE_EGifCloseFile(gifdrv_memmap_fd);
VICE_FreeMapObject(gif_colors);
lib_free(gifdrv_memmap_ext_filename);
return 0;
}
static int gifdrv_open(screenshot_t *screenshot, const char *filename)
{
unsigned int i;
gfxoutputdrv_data_t *sdata;
GifColorType ColorMap256[256];
#if GIFLIB_MAJOR >= 5
int ec;
#endif
if (screenshot->palette->num_entries > 256) {
log_error(LOG_DEFAULT, "Max 256 colors supported.");
return -1;
}
sdata = lib_malloc(sizeof(gfxoutputdrv_data_t));
screenshot->gfxoutputdrv_data = sdata;
sdata->line = 0;
sdata->ext_filename = util_add_extension_const(filename, gif_drv.default_extension);
sdata->fd = VICE_EGifOpenFileName(sdata->ext_filename, 0, &ec);
if (sdata->fd == NULL) {
lib_free(sdata->ext_filename);
lib_free(sdata);
return -1;
}
sdata->data = lib_malloc(screenshot->width);
gif_colors = VICE_MakeMapObject(screenshot->palette->num_entries, ColorMap256);
for (i = 0; i < screenshot->palette->num_entries; i++) {
gif_colors->Colors[i].Blue = screenshot->palette->entries[i].blue;
gif_colors->Colors[i].Green = screenshot->palette->entries[i].green;
gif_colors->Colors[i].Red = screenshot->palette->entries[i].red;
}
#if GIFLIB_MAJOR < 5
EGifSetGifVersion("87a");
#endif
if (EGifPutScreenDesc(sdata->fd, screenshot->width, screenshot->height, 8, 0, gif_colors) == GIF_ERROR ||
EGifPutImageDesc(sdata->fd, 0, 0, screenshot->width, screenshot->height, 0, NULL) == GIF_ERROR) {
VICE_EGifCloseFile(sdata->fd);
VICE_FreeMapObject(gif_colors);
lib_free(sdata->data);
lib_free(sdata->ext_filename);
lib_free(sdata);
return -1;
}
return 0;
}
static int gifdrv_close(screenshot_t *screenshot)
{
gfxoutputdrv_data_t *sdata;
sdata = screenshot->gfxoutputdrv_data;
VICE_EGifCloseFile(sdata->fd);
VICE_FreeMapObject(gif_colors);
/* for some reason giflib will create a file with unexpected
permissions. for this reason we alter them according to
the current umask. */
archdep_fix_permissions(sdata->ext_filename);
lib_free(sdata->data);
lib_free(sdata->ext_filename);
lib_free(sdata);
return 0;
}
static int gifdrv_open_memmap(const char *filename, int x_size, int y_size, uint8_t *palette)
{
unsigned int i;
GifColorType ColorMap256[256];
#if GIFLIB_MAJOR >= 5
int ec;
#endif
gifdrv_memmap_ext_filename = util_add_extension_const(filename, gif_drv.default_extension);
gifdrv_memmap_fd = VICE_EGifOpenFileName(gifdrv_memmap_ext_filename, 0, &ec);
if (gifdrv_memmap_fd == NULL) {
lib_free(gifdrv_memmap_ext_filename);
return -1;
}
gif_colors = VICE_MakeMapObject(256, ColorMap256);
for (i = 0; i < 256; i++) {
gif_colors->Colors[i].Blue = palette[(i * 3) + 2];
gif_colors->Colors[i].Green = palette[(i * 3) + 1];
gif_colors->Colors[i].Red = palette[i * 3];
}
#if GIFLIB_MAJOR < 5
EGifSetGifVersion("87a");
#endif
if (EGifPutScreenDesc(gifdrv_memmap_fd, x_size, y_size, 8, 0, gif_colors) == GIF_ERROR ||
EGifPutImageDesc(gifdrv_memmap_fd, 0, 0, x_size, y_size, 0, NULL) == GIF_ERROR) {
VICE_EGifCloseFile(gifdrv_memmap_fd);
VICE_FreeMapObject(gif_colors);
lib_free(gifdrv_memmap_ext_filename);
return -1;
}
return 0;
}
static int gifdrv_close(screenshot_t *screenshot)
{
gfxoutputdrv_data_t *sdata;
sdata = screenshot->gfxoutputdrv_data;
VICE_EGifCloseFile(sdata->fd);
VICE_FreeMapObject(gif_colors);
/* for some reason giflib will create a file with unexpected
permissions. for this reason we alter them according to
the current umask.
Carefull: oddly enough still true as of 2017-07-18, so do not remove the
following function call without doing research/testing first (compyx)
*/
archdep_fix_permissions(sdata->ext_filename);
lib_free(sdata->data);
lib_free(sdata->ext_filename);
lib_free(sdata);
return 0;
}
