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/* Copyright (C) 2007-2008 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** 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.
*/
#ifndef _ANDROID_SKIN_RECT_H
#define _ANDROID_SKIN_RECT_H
/** Rectangles
**/
typedef enum {
SKIN_ROTATION_0,
SKIN_ROTATION_90,
SKIN_ROTATION_180,
SKIN_ROTATION_270
} SkinRotation;
typedef struct {
int x, y;
} SkinPos;
extern void skin_pos_rotate( SkinPos* dst, SkinPos* src, SkinRotation rot );
typedef struct {
int w, h;
} SkinSize;
extern void skin_size_rotate( SkinSize* dst, SkinSize* src, SkinRotation rot );
extern int skin_size_contains( SkinSize* size, int x, int y );
typedef struct {
SkinPos pos;
SkinSize size;
} SkinRect;
extern void skin_rect_init ( SkinRect* r, int x, int y, int w, int h );
extern void skin_rect_translate( SkinRect* r, int dx, int dy );
extern void skin_rect_rotate ( SkinRect* dst, SkinRect* src, SkinRotation rotation );
extern int skin_rect_contains ( SkinRect* r, int x, int y );
extern int skin_rect_intersect( SkinRect* result, SkinRect* r1, SkinRect* r2 );
extern int skin_rect_equals ( SkinRect* r1, SkinRect* r2 );
typedef enum {
SKIN_OUTSIDE = 0,
SKIN_INSIDE = 1,
SKIN_OVERLAP = 2
} SkinOverlap;
extern SkinOverlap skin_rect_contains_rect( SkinRect *r1, SkinRect *r2 );
typedef struct {
int x1, y1;
int x2, y2;
} SkinBox;
extern void skin_box_init( SkinBox* box, int x1, int y1, int x2, int y2 );
extern void skin_box_minmax_init( SkinBox* box );
extern void skin_box_minmax_update( SkinBox* box, SkinRect* rect );
extern int skin_box_minmax_to_rect( SkinBox* box, SkinRect* rect );
extern void skin_box_from_rect( SkinBox* box, SkinRect* rect );
extern void skin_box_to_rect( SkinBox* box, SkinRect* rect );
#endif /* _ANDROID_SKIN_RECT_H */
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