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/* Lighting Effects - A plug-in for GIMP
*
* 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 3 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. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __LIGHTING_PREVIEW_H__
#define __LIGHTING_PREVIEW_H__
#define PREVIEW_WIDTH 200
#define PREVIEW_HEIGHT 200
/* Externally visible variables */
extern gdouble *xpostab, *ypostab;
/* Externally visible functions */
void preview_compute (void);
void interactive_preview_callback (GtkWidget *widget);
gboolean preview_events (GtkWidget *area,
GdkEvent *event);
gboolean preview_expose (GtkWidget *area,
GdkEventExpose *eevent);
void update_light (gint xpos,
gint ypos);
#endif /* __LIGHTING_PREVIEW_H__ */
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