117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/*
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* draw.h - draw functions header
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*
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* Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef AWESOME_COMMON_DRAW_H
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#define AWESOME_COMMON_DRAW_H
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#include <cairo.h>
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#include <X11/Xlib.h>
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#include <X11/Xft/Xft.h>
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#include "common/util.h"
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#include "common/list.h"
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typedef enum
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{
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AlignLeft,
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AlignRight,
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AlignCenter,
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AlignFlex,
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AlignAuto
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} Alignment;
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typedef struct Area Area;
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struct Area
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{
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/** Co-ords of upper left corner */
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int x;
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int y;
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int width;
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int height;
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Area *prev, *next;
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};
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DO_SLIST(Area, area, p_delete);
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#define AREA_LEFT(a) ((a).x)
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#define AREA_TOP(a) ((a).y)
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#define AREA_RIGHT(a) ((a).x + (a).width)
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#define AREA_BOTTOM(a) ((a).y + (a).height)
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static inline Bool
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area_intersect_area(Area a, Area b)
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{
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return (b.x < a.x + a.width
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&& b.x + b.width > a.x
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&& b.y < a.y + a.height
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&& b.y + b.height > a.y);
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}
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static inline Area
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area_get_intersect_area(Area a, Area b)
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{
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Area g;
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g.x = MAX(a.x, b.x);
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g.y = MAX(a.y, b.y);
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g.width = MIN(a.x + a.width, b.x + b.width) - g.x;
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g.height = MIN(a.y + a.height, b.y + b.height) - g.y;
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return g;
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}
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typedef struct
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{
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Display *display;
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Drawable drawable;
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Visual *visual;
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int width;
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int height;
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int phys_screen;
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int depth;
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cairo_t *cr;
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cairo_surface_t *surface;
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} DrawCtx;
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DrawCtx *draw_context_new(Display *, int, int, int, Drawable);
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void draw_context_delete(DrawCtx *);
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void draw_text(DrawCtx *, Area, Alignment, int, XftFont *, char *, int, XColor fg, XColor bg);
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void draw_rectangle(DrawCtx *, Area, Bool, XColor);
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void draw_rectangle_gradient(DrawCtx *, Area, Bool, Area, XColor *, XColor *, XColor *);
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void draw_graph_setup(DrawCtx *);
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void draw_graph(DrawCtx *, int, int, int, int *, int *, int, XColor *, XColor *, XColor *);
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void draw_graph_line(DrawCtx *, int, int, int, int *, int, XColor *, XColor *, XColor *);
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void draw_circle(DrawCtx *, int, int, int, Bool, XColor);
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void draw_image(DrawCtx *, int, int, int, const char *);
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void draw_image_from_argb_data(DrawCtx *, int, int, int, int, int, unsigned char *);
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Area draw_get_image_size(const char *filename);
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Drawable draw_rotate(DrawCtx *, int, double, int, int);
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unsigned short draw_textwidth(Display *, XftFont *, char *);
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Alignment draw_get_align(const char *);
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Bool draw_color_new(Display *, int, const char *, XColor *);
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void area_list_remove(Area **, Area *);
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#endif
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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