39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
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/* Lighting Effects - A plug-in for PIKA
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __LIGHTING_PREVIEW_H__
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#define __LIGHTING_PREVIEW_H__
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#define PREVIEW_WIDTH 200
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#define PREVIEW_HEIGHT 200
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/* Externally visible variables */
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extern gdouble *xpostab, *ypostab;
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/* Externally visible functions */
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void preview_compute (void);
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void interactive_preview_callback (GtkWidget *widget);
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gboolean preview_events (GtkWidget *area,
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GdkEvent *event);
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gboolean preview_draw (GtkWidget *area,
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cairo_t *cr);
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void update_light (gint xpos,
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gint ypos);
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#endif /* __LIGHTING_PREVIEW_H__ */
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