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85e884cee1
* plug-ins/Lighting/lighting_main.c * plug-ins/Lighting/lighting_main.h * plug-ins/Lighting/lighting_preview.c * plug-ins/Lighting/lighting_preview.h * plug-ins/Lighting/lighting_shade.c * plug-ins/Lighting/lighting_ui.c: completely reworked UI for lighting page. Now supports up to 6 lights (more is trivial). Added ability to temporarily isolate selected light. Added light intensity controls. Can interactively position each light (does not quite work yet for directional lights).
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* Lighting Effects - A plug-in for GIMP
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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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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typedef struct
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{
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gint x, y, w, h;
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GdkImage *image;
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} BackBuffer;
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/* Externally visible variables */
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extern gint lightx, lighty;
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extern BackBuffer backbuf;
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extern gdouble *xpostab, *ypostab;
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extern gboolean light_hit;
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extern gboolean left_button_pressed;
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GtkWidget *spin_pos_x;
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GtkWidget *spin_pos_y;
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GtkWidget *spin_pos_z;
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GtkWidget *spin_dir_x;
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GtkWidget *spin_dir_y;
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GtkWidget *spin_dir_z;
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/* Externally visible functions */
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void draw_preview_image (gboolean recompute);
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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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void update_light (gint xpos,
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gint ypos);
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#endif /* __LIGHTING_PREVIEW_H__ */
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