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			105 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright © 2013 Intel Corporation
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 *
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 */
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#ifndef OVERLAY_H
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#define OVERLAY_H
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#ifdef HAVE_CONFIG_H
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#include"config.h"
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#endif
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#include <cairo.h>
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enum position {
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	POS_UNSET = -1,
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	POS_LEFT = 0,
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	POS_CENTRE = 1,
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	POS_RIGHT = 2,
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	POS_TOP = 0 << 4,
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	POS_MIDDLE = 1 << 4,
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	POS_BOTTOM = 2 << 4,
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	POS_TOP_LEFT = POS_TOP | POS_LEFT,
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	POS_TOP_CENTRE = POS_TOP | POS_CENTRE,
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	POS_TOP_RIGHT = POS_TOP | POS_RIGHT,
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	POS_MIDDLE_LEFT = POS_MIDDLE | POS_LEFT,
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	POS_MIDDLE_CENTRE = POS_MIDDLE | POS_CENTRE,
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	POS_MIDDLE_RIGHT = POS_MIDDLE | POS_RIGHT,
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	POS_BOTTOM_LEFT = POS_BOTTOM | POS_LEFT,
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	POS_BOTTOM_CENTRE = POS_BOTTOM | POS_CENTRE,
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	POS_BOTTOM_RIGHT = POS_BOTTOM | POS_RIGHT,
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};
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struct overlay {
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	cairo_surface_t *surface;
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	void (*show)(struct overlay *);
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	void (*hide)(struct overlay *);
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};
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extern const cairo_user_data_key_t overlay_key;
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struct config {
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	struct config_section {
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		struct config_section *next;
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		struct config_value {
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			struct config_value *next;
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			char *name;
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			char *value;
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		} *values;
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		char name[0];
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	} *sections;
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};
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void config_init(struct config *config);
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void config_parse_string(struct config *config, const char *str);
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void config_set_value(struct config *config,
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		      const char *section,
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		      const char *name,
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		      const char *value);
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const char *config_get_value(struct config *config,
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			     const char *section,
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			     const char *name);
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#ifdef HAVE_OVERLAY_XVLIB
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cairo_surface_t *x11_overlay_create(struct config *config, int *width, int *height);
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void x11_overlay_stop(void);
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#else
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static inline cairo_surface_t *x11_overlay_create(struct config *config, int *width, int *height) { return NULL; }
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static inline void x11_overlay_stop(void) { }
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#endif
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#ifdef HAVE_OVERLAY_XLIB
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cairo_surface_t *x11_window_create(struct config *config, int *width, int *height);
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#else
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static inline cairo_surface_t *x11_window_create(struct config *config, int *width, int *height) { return NULL; }
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#endif
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cairo_surface_t *kms_overlay_create(struct config *config, int *width, int *height);
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#endif /* OVERLAY_H */
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