static gboolean process (GeglOperation *operation, GeglBuffer *output, const GeglRectangle *result, gint level) { GeglChantO *o = GEGL_CHANT_PROPERTIES (operation); clrmap colormap; guchar *buf; gint pxsize; make_color_map (o, colormap); g_object_get (output, "px-size", &pxsize, NULL); buf = g_new (guchar, result->width * result->height * pxsize); { guchar *dst=buf; gint y; for (y=0; y < result->height; y++) { explorer_render_row (o, result->x, result->x + result->width , result->y + y, colormap, &dst); } } gegl_buffer_set (output, NULL, 0, babl_format ("R'G'B' u8"), buf, GEGL_AUTO_ROWSTRIDE); g_free (buf); return TRUE; }
static void run (const gchar *name, gint nparams, const GimpParam *param, gint *nreturn_vals, GimpParam **return_vals) { static GimpParam values[1]; gint32 image_ID; GimpRunMode run_mode; gint pwidth; gint pheight; GimpPDBStatusType status = GIMP_PDB_SUCCESS; gint sel_width; gint sel_height; run_mode = param[0].data.d_int32; values[0].type = GIMP_PDB_STATUS; values[0].data.d_status = status; *nreturn_vals = 1; *return_vals = values; INIT_I18N (); /* Get the specified drawable */ drawable = gimp_drawable_get (param[2].data.d_drawable); image_ID = param[1].data.d_image; gimp_drawable_mask_bounds (drawable->drawable_id, &sel_x1, &sel_y1, &sel_x2, &sel_y2); sel_width = sel_x2 - sel_x1; sel_height = sel_y2 - sel_y1; /* Calculate preview size */ if (sel_width > sel_height) { pwidth = MIN (sel_width, PREVIEW_SIZE); pheight = sel_height * pwidth / sel_width; } else { pheight = MIN (sel_height, PREVIEW_SIZE); pwidth = sel_width * pheight / sel_height; } preview_width = MAX (pwidth, 2); preview_height = MAX (pheight, 2); /* See how we will run */ switch (run_mode) { case GIMP_RUN_INTERACTIVE: /* Possibly retrieve data */ gimp_get_data ("plug_in_fractalexplorer", &wvals); /* Get information from the dialog */ if (!explorer_dialog ()) return; break; case GIMP_RUN_NONINTERACTIVE: /* Make sure all the arguments are present */ if (nparams != 22) { status = GIMP_PDB_CALLING_ERROR; } else { wvals.fractaltype = param[3].data.d_int8; wvals.xmin = param[4].data.d_float; wvals.xmax = param[5].data.d_float; wvals.ymin = param[6].data.d_float; wvals.ymax = param[7].data.d_float; wvals.iter = param[8].data.d_float; wvals.cx = param[9].data.d_float; wvals.cy = param[10].data.d_float; wvals.colormode = param[11].data.d_int8; wvals.redstretch = param[12].data.d_float; wvals.greenstretch = param[13].data.d_float; wvals.bluestretch = param[14].data.d_float; wvals.redmode = param[15].data.d_int8; wvals.greenmode = param[16].data.d_int8; wvals.bluemode = param[17].data.d_int8; wvals.redinvert = param[18].data.d_int8; wvals.greeninvert = param[19].data.d_int8; wvals.blueinvert = param[20].data.d_int8; wvals.ncolors = CLAMP (param[21].data.d_int32, 2, MAXNCOLORS); } make_color_map(); break; case GIMP_RUN_WITH_LAST_VALS: /* Possibly retrieve data */ gimp_get_data ("plug_in_fractalexplorer", &wvals); make_color_map (); break; default: break; } xmin = wvals.xmin; xmax = wvals.xmax; ymin = wvals.ymin; ymax = wvals.ymax; cx = wvals.cx; cy = wvals.cy; if (status == GIMP_PDB_SUCCESS) { /* Make sure that the drawable is not indexed */ if (! gimp_drawable_is_indexed (drawable->drawable_id)) { gimp_progress_init (_("Rendering fractal")); /* Set the tile cache size */ gimp_tile_cache_ntiles (2 * (drawable->width / gimp_tile_width() + 1)); /* Run! */ explorer (drawable); if (run_mode != GIMP_RUN_NONINTERACTIVE) gimp_displays_flush (); /* Store data */ if (run_mode == GIMP_RUN_INTERACTIVE) gimp_set_data ("plug_in_fractalexplorer", &wvals, sizeof (explorer_vals_t)); } else { status = GIMP_PDB_EXECUTION_ERROR; } } values[0].data.d_status = status; gimp_drawable_detach (drawable); }