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gimp/plug-ins/MapObject/mapobject_main.c

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/*********************************************************************************/
/* MapObject 1.00 -- image filter plug-in for The Gimp program */
/* Copyright (C) 1996-98 Tom Bech */
/* Copyright (C) 1996-98 Federico Mena Quintero */
/*===============================================================================*/
/* E-mail: tomb@gimp.org (Tom) or quartic@gimp.org (Federico) */
/* You can contact the original The Gimp authors at gimp@xcf.berkeley.edu */
/*===============================================================================*/
/* This program is free software; you can redistribute it and/or modify it under */
/* the terms of the GNU General Public License as published by the Free Software */
/* Foundation; either version 2 of the License, or (at your option) any later */
/* version. */
/*===============================================================================*/
/* This program is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS */
/* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.*/
/*===============================================================================*/
/* You should have received a copy of the GNU General Public License along with */
/* this program (read the "COPYING" file); if not, write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*===============================================================================*/
/* In other words, you can't sue us for whatever happens while using this ;) */
/*********************************************************************************/
#include "mapobject_main.h"
/* Global variables */
/* ================ */
MapObjectValues mapvals;
/******************/
/* Implementation */
/******************/
void mapobject_interactive (GDrawable *drawable);
void mapobject_noninteractive (GDrawable *drawable);
/*************************************/
/* Set parameters to standard values */
/*************************************/
void set_default_settings(void)
{
gck_vector3_set(&mapvals.viewpoint, 0.5,0.5,2.0);
gck_vector3_set(&mapvals.firstaxis, 1.0,0.0,0.0);
gck_vector3_set(&mapvals.secondaxis, 0.0,1.0,0.0);
gck_vector3_set(&mapvals.normal, 0.0,0.0,1.0);
gck_vector3_set(&mapvals.position, 0.5,0.5,0.0);
gck_vector3_set(&mapvals.lightsource.position, -0.5,-0.5,2.0);
gck_vector3_set(&mapvals.lightsource.direction, -1.0,-1.0,1.0);
mapvals.maptype=MAP_PLANE;
mapvals.pixeltreshold=0.25;
mapvals.alpha=mapvals.beta=mapvals.gamma=0.0;
mapvals.maxdepth=3.0;
mapvals.radius=0.25;
mapvals.preview_zoom_factor=0;
mapvals.lightsource.type=POINT_LIGHT;
mapvals.antialiasing=TRUE;
mapvals.create_new_image=FALSE;
mapvals.transparent_background=FALSE;
mapvals.tiled=FALSE;
mapvals.showgrid=FALSE;
mapvals.tooltips_enabled=TRUE;
mapvals.lightsource.intensity = 1.0;
gck_rgb_set(&mapvals.lightsource.color,1.0,1.0,1.0);
mapvals.material.ambient_int = 0.3;
mapvals.material.diffuse_int = 1.0;
mapvals.material.diffuse_ref = 0.5;
mapvals.material.specular_ref = 0.5;
mapvals.material.highlight = 27.0;
}
MAIN()
static void query(void)
{
static GParamDef args[] =
{
{ PARAM_INT32, "run_mode", "Interactive (0), non-interactive (1)" },
{ PARAM_IMAGE, "image", "Input image" },
{ PARAM_DRAWABLE, "drawable", "Input drawable" },
{ PARAM_INT32, "maptype", "Type of mapping (0=plane,1=sphere)" },
{ PARAM_FLOAT, "viewpoint_x", "Position of viewpoint (x,y,z)" },
{ PARAM_FLOAT, "viewpoint_y", "Position of viewpoint (x,y,z)" },
{ PARAM_FLOAT, "viewpoint_z", "Position of viewpoint (x,y,z)" },
{ PARAM_FLOAT, "position_x", "Object position (x,y,z)" },
{ PARAM_FLOAT, "position_y", "Object position (x,y,z)" },
{ PARAM_FLOAT, "position_z", "Object position (x,y,z)" },
{ PARAM_FLOAT, "firstaxis_x", "First axis of object [x,y,z]" },
{ PARAM_FLOAT, "firstaxis_y", "First axis of object [x,y,z]" },
{ PARAM_FLOAT, "firstaxis_z", "First axis of object [x,y,z]" },
{ PARAM_FLOAT, "secondaxis_x", "Second axis of object [x,y,z]" },
{ PARAM_FLOAT, "secondaxis_y", "Second axis of object [x,y,z]" },
{ PARAM_FLOAT, "secondaxis_z", "Second axis of object [x,y,z]" },
{ PARAM_FLOAT, "rotationangle_x", "Axis rotation (xy,xz,yz) in degrees" },
{ PARAM_FLOAT, "rotationangle_y", "Axis rotation (xy,xz,yz) in degrees" },
{ PARAM_FLOAT, "rotationangle_z", "Axis rotation (xy,xz,yz) in degrees" },
{ PARAM_INT32, "lighttype", "Type of lightsource (0=point,1=directional,3=none)" },
{ PARAM_COLOR, "lightcolor", "Lightsource color (r,g,b)" },
{ PARAM_FLOAT, "lightposition_x", "Lightsource position (x,y,z)" },
{ PARAM_FLOAT, "lightposition_y", "Lightsource position (x,y,z)" },
{ PARAM_FLOAT, "lightposition_z", "Lightsource position (x,y,z)" },
{ PARAM_FLOAT, "lightdirection_x", "Lightsource direction [x,y,z]" },
{ PARAM_FLOAT, "lightdirection_y", "Lightsource direction [x,y,z]" },
{ PARAM_FLOAT, "lightdirection_z", "Lightsource direction [x,y,z]" },
{ PARAM_FLOAT, "ambient_intensity", "Material ambient intensity (0..1)" },
{ PARAM_FLOAT, "diffuse_intensity", "Material diffuse intensity (0..1)" },
{ PARAM_FLOAT, "diffuse_reflectivity", "Material diffuse reflectivity (0..1)" },
{ PARAM_FLOAT, "specular_reflectivity", "Material specular reflectivity (0..1)" },
{ PARAM_FLOAT, "highlight", "Material highlight (0..->), note: it's expotential" },
{ PARAM_INT32, "antialiasing", "Apply antialiasing (TRUE/FALSE)" },
{ PARAM_INT32, "tiled", "Tile source image (TRUE/FALSE)" },
{ PARAM_INT32, "newimage", "Create a new image (TRUE/FALSE)" },
{ PARAM_INT32, "transparentbackground", "Make background transparent (TRUE/FALSE)" },
{ PARAM_FLOAT, "radius", "Sphere radius (only used when maptype=1)" }
};
static GParamDef *return_vals = NULL;
static gint nargs = sizeof (args) / sizeof (args[0]);
static gint nreturn_vals = 0;
gimp_install_procedure ("plug_in_map_object",
"Maps a picture to a object (plane, sphere)",
"No help yet",
"Tom Bech & Federico Mena Quintero",
"Tom Bech & Federico Mena Quintero",
"Version 1.00, March 15 1998",
"<Image>/Filters/Map/Map Object",
"RGB*",
PROC_PLUG_IN,
nargs, nreturn_vals,
args, return_vals);
}
static void run(gchar *name,
gint nparams,
GParam *param,
gint *nreturn_vals,
GParam **return_vals)
{
static GParam values[1];
GDrawable *drawable;
GRunModeType run_mode;
GStatusType status = STATUS_SUCCESS;
run_mode = param[0].data.d_int32;
values[0].type = PARAM_STATUS;
values[0].data.d_status = status;
*nreturn_vals = 1;
*return_vals = values;
/* Set default values */
/* ================== */
set_default_settings();
/* Get the specified drawable */
/* ========================== */
drawable = gimp_drawable_get (param[2].data.d_drawable);
switch (run_mode)
{
case RUN_INTERACTIVE:
/* Possibly retrieve data */
/* ====================== */
gimp_get_data ("plug_in_map_object", &mapvals);
mapobject_interactive(drawable);
gimp_set_data("plug_in_map_object", &mapvals, sizeof(MapObjectValues));
break;
case RUN_WITH_LAST_VALS:
gimp_get_data ("plug_in_map_object", &mapvals);
image_setup(drawable,FALSE);
compute_image();
break;
case RUN_NONINTERACTIVE:
if (nparams != 37)
status = STATUS_CALLING_ERROR;
else if (status == STATUS_SUCCESS)
{
mapvals.maptype = (MapType)param[3].data.d_int32;
mapvals.viewpoint.x = param[4].data.d_float;
mapvals.viewpoint.y = param[5].data.d_float;
mapvals.viewpoint.z = param[6].data.d_float;
mapvals.position.x = param[7].data.d_float;
mapvals.position.y = param[8].data.d_float;
mapvals.position.z = param[9].data.d_float;
mapvals.firstaxis.x = param[10].data.d_float;
mapvals.firstaxis.y = param[11].data.d_float;
mapvals.firstaxis.z = param[12].data.d_float;
mapvals.secondaxis.x = param[13].data.d_float;
mapvals.secondaxis.y = param[14].data.d_float;
mapvals.secondaxis.z = param[15].data.d_float;
mapvals.alpha = param[16].data.d_float;
mapvals.beta = param[17].data.d_float;
mapvals.gamma = param[18].data.d_float;
mapvals.lightsource.type = (LightType)param[19].data.d_int32;
mapvals.lightsource.color.r = param[20].data.d_color.red;
mapvals.lightsource.color.g = param[20].data.d_color.green;
mapvals.lightsource.color.b = param[20].data.d_color.blue;
mapvals.lightsource.position.x = param[21].data.d_float;
mapvals.lightsource.position.y = param[22].data.d_float;
mapvals.lightsource.position.z = param[23].data.d_float;
mapvals.lightsource.direction.x = param[24].data.d_float;
mapvals.lightsource.direction.y = param[25].data.d_float;
mapvals.lightsource.direction.z = param[26].data.d_float;
mapvals.material.ambient_int = param[27].data.d_float;
mapvals.material.diffuse_int = param[28].data.d_float;
mapvals.material.diffuse_ref = param[29].data.d_float;
mapvals.material.specular_ref = param[30].data.d_float;
mapvals.material.highlight = param[31].data.d_float;
mapvals.antialiasing = (gint)param[32].data.d_int32;
mapvals.tiled = (gint)param[33].data.d_int32;
mapvals.create_new_image = (gint)param[34].data.d_int32;
mapvals.transparent_background = (gint)param[35].data.d_int32;
mapvals.radius = param[36].data.d_float;
image_setup(drawable, FALSE);
compute_image();
}
break;
}
if (run_mode != RUN_NONINTERACTIVE)
gimp_displays_flush();
values[0].data.d_status = status;
gimp_drawable_detach(drawable);
}
GPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
void mapobject_interactive(GDrawable *drawable)
{
gchar **argv;
gint argc;
argc = 1;
argv = g_new (gchar *, 1);
argv[0] = g_strdup ("map_object");
gdk_set_use_xshm(gimp_use_xshm());
gtk_init (&argc, &argv);
gtk_rc_parse (gimp_gtkrc ());
/* Set up ArcBall stuff */
/* ==================== */
/*ArcBall_Init(); */
/* Create application window */
/* ========================= */
create_main_dialog();
/* Prepare images */
/* ============== */
image_setup(drawable,TRUE);
/* Gtk main event loop */
/* =================== */
gtk_main();
gdk_flush();
}
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