static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[1];
GimpDrawable *drawable;
GimpRunMode run_mode;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
run_mode = param[0].data.d_int32;
INIT_I18N ();
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
/* Get the specified drawable */
drawable = gimp_drawable_get (param[2].data.d_drawable);
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
/* Possibly retrieve data */
gimp_get_data (PIXELIZE_PROC, &pvals);
/* First acquire information with a dialog */
if (! pixelize_dialog (drawable))
{
gimp_drawable_detach (drawable);
return;
}
break;
case GIMP_RUN_NONINTERACTIVE:
/* Make sure all the arguments are there! */
if ((! strcmp (name, PIXELIZE_PROC) && nparams != 4) ||
(! strcmp (name, PIXELIZE2_PROC) && nparams != 5))
{
status = GIMP_PDB_CALLING_ERROR;
}
if (status == GIMP_PDB_SUCCESS)
{
pvals.pixelwidth = (gdouble) param[3].data.d_int32;
if (nparams == 4)
pvals.pixelheight = pvals.pixelwidth;
else
pvals.pixelheight = (gdouble) param[4].data.d_int32;
}
if ((status == GIMP_PDB_SUCCESS) &&
(pvals.pixelwidth <= 0 || pvals.pixelheight <= 0))
{
status = GIMP_PDB_CALLING_ERROR;
}
break;
case GIMP_RUN_WITH_LAST_VALS:
/* Possibly retrieve data */
gimp_get_data (PIXELIZE_PROC, &pvals);
break;
default:
break;
}
if (status == GIMP_PDB_SUCCESS)
{
/* Make sure that the drawable is gray or RGB color */
if (gimp_drawable_is_rgb (drawable->drawable_id) ||
gimp_drawable_is_gray (drawable->drawable_id))
{
gimp_progress_init (_("Pixelizing"));
/* set the tile cache size */
gimp_tile_cache_ntiles (TILE_CACHE_SIZE);
/* run the pixelize effect */
pixelize (drawable, NULL);
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_displays_flush ();
/* Store data */
if (run_mode == GIMP_RUN_INTERACTIVE)
gimp_set_data (PIXELIZE_PROC, &pvals, sizeof (PixelizeValues));
}
else
{
/* g_message ("pixelize: cannot operate on indexed color images"); */
status = GIMP_PDB_EXECUTION_ERROR;
}
}
values[0].data.d_status = status;
gimp_drawable_detach (drawable);
}
/*------------------------------------------------------------------------------
Main program.
*/
int main(int argc, char *argv[])
{
int ifile, nfiles, npoly, npolys, i, res_max_temp;
char scheme_temp;
polygon **polys;
polys=polys_global;
// mtrace();
/* default output format */
fmt.out = keywords[POLYGON];
/* default is to renumber output polygons with old id numbers */
fmt.newid = 'o';
/* parse arguments */
parse_args(argc, argv);
/* at least one input and output filename required as arguments */
if (argc - optind < 2) {
if (optind > 1 || argc - optind == 1) {
fprintf(stderr, "%s requires at least 2 arguments: polygon_infile and polygon_outfile\n", argv[0]);
usage();
exit(1);
} else {
usage();
exit(0);
}
}
msg("---------------- pixelize ----------------\n");
// snap angles
scale(&axtol, axunit, 's');
scale(&btol, bunit, 's');
scale(&thtol, thunit, 's');
axunit = 's';
bunit = 's';
thunit = 's';
// msg("snap angles: axis %Lg%c latitude %Lg%c edge %Lg%c\n", axtol, axunit, btol, bunit, thtol, thunit);
scale(&axtol, axunit, 'r');
scale(&btol, bunit, 'r');
scale(&thtol, thunit, 'r');
axunit = 'r';
bunit = 'r';
thunit = 'r';
/* tolerance angle for multiple intersections */
if (mtol != 0.) {
scale(&mtol, munit, 's');
munit = 's';
msg("multiple intersections closer than %Lg%c will be treated as coincident\n", mtol, munit);
scale(&mtol, munit, 'r');
munit = 'r';
}
msg("pixelization scheme %c, maximum resolution %d\n", scheme, res_max);
msg("maximum number of polygons allowed in each pixel: %d\n", polys_per_pixel);
scheme_temp=scheme;
res_max_temp=res_max;
/* advise data format */
advise_fmt(&fmt);
/* read polygons */
npoly = 0;
nfiles = argc - 1 - optind;
for (ifile = optind; ifile < optind + nfiles; ifile++) {
npolys = rdmask(argv[ifile], &fmt, NPOLYSMAX - npoly, &polys[npoly]);
if (npolys == -1) exit(1);
npoly += npolys;
}
if (nfiles >= 2) {
msg("total of %d polygons read\n", npoly);
}
if (npoly == 0) {
msg("STOP\n");
exit(0);
}
if(scheme!=scheme_temp || res_max!=res_max_temp){
msg("warning: pixelization information in input file is being discarded\n");
scheme=scheme_temp;
res_max=res_max_temp;
}
/* pixelize polygons */
npolys = pixelize(npoly, polys, NPOLYSMAX - npoly, &polys[npoly]);
if (npolys == -1) exit(1);
pixelized=1;
if(polys_per_pixel>0) res_max=-1;
/* write polygons */
ifile = argc - 1;
npolys = wrmask(argv[ifile], &fmt, npolys, &polys[npoly]);
if (npolys == -1) exit(1);
/* memmsg(); */
for(i=0;i<npoly+npolys;i++){
free_poly(polys[i]);
}
return(0);
}
static gboolean
process (GeglOperation *operation,
GeglBuffer *input,
GeglBuffer *output,
const GeglRectangle *roi,
gint level)
{
GeglRectangle src_rect;
GeglRectangle *whole_region;
GeglProperties *o = GEGL_PROPERTIES (operation);
GeglOperationAreaFilter *op_area;
op_area = GEGL_OPERATION_AREA_FILTER (operation);
whole_region = gegl_operation_source_get_bounding_box (operation, "input");
if (gegl_operation_use_opencl (operation))
if (cl_process (operation, input, output, roi))
return TRUE;
if (o->size_x * o->size_y < SQR (ALLOC_THRESHOLD_SIZE))
{
gfloat background_color[4];
gfloat *input_buf = g_new (gfloat,
(CHUNK_SIZE + o->size_x * 2) *
(CHUNK_SIZE + o->size_y * 2) * 4);
gfloat *output_buf = g_new (gfloat, SQR (CHUNK_SIZE) * 4);
gint i, j;
gegl_color_get_pixel (o->background, babl_format("RaGaBaA float"),
background_color);
for (j = 0; (j-1) * CHUNK_SIZE < roi->height; j++)
for (i = 0; (i-1) * CHUNK_SIZE < roi->width; i++)
{
GeglRectangle chunked_result;
GeglRectangle chunked_sizes;
chunked_result = *GEGL_RECTANGLE (roi->x + i * CHUNK_SIZE,
roi->y + j * CHUNK_SIZE,
CHUNK_SIZE, CHUNK_SIZE);
gegl_rectangle_intersect (&chunked_result, &chunked_result, roi);
if (chunked_result.width < 1 || chunked_result.height < 1)
continue;
src_rect = chunked_result;
src_rect.x -= op_area->left;
src_rect.y -= op_area->top;
src_rect.width += op_area->left + op_area->right;
src_rect.height += op_area->top + op_area->bottom;
gegl_buffer_get (input, &src_rect, 1.0, babl_format ("RaGaBaA float"),
input_buf, GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_CLAMP);
gegl_rectangle_copy (&chunked_sizes, &chunked_result);
chunked_sizes.x = 0;
chunked_sizes.y = 0;
set_rectangle (output_buf, &chunked_sizes, &chunked_sizes,
chunked_result.width, background_color,
GEGL_PIXELIZE_NORM_INFINITY);
pixelize (input_buf, output_buf, &chunked_result, &src_rect,
whole_region, o);
gegl_buffer_set (output, &chunked_result, 0,
babl_format ("RaGaBaA float"),
output_buf, GEGL_AUTO_ROWSTRIDE);
}
g_free (input_buf);
g_free (output_buf);
}
else
{
gegl_buffer_set_color (output, roi, o->background);
pixelize_noalloc (input, output, roi, whole_region, o);
}
return TRUE;
}
void pixelize_5(Bitmap& bmp){
pixelize(bmp, 5);
}
