diff options
Diffstat (limited to 'android/skin/rect.c')
| -rw-r--r-- | android/skin/rect.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/android/skin/rect.c b/android/skin/rect.c deleted file mode 100644 index 93e8bc1..0000000 --- a/android/skin/rect.c +++ /dev/null @@ -1,241 +0,0 @@ -/* 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. -*/ -#include "android/skin/rect.h" -#include <limits.h> - -#define SKIN_POS_INITIALIZER { 0, 0 } - -void -skin_pos_rotate( SkinPos* dst, SkinPos* src, SkinRotation rotation ) -{ - int x = src->x; - int y = src->y; - - switch ( rotation & 3 ) { - case SKIN_ROTATION_0: - dst->x = x; - dst->y = y; - break; - - case SKIN_ROTATION_90: - dst->x = -y; - dst->y = x; - break; - - case SKIN_ROTATION_180: - dst->x = -x; - dst->y = -y; - break; - - default: - dst->x = y; - dst->y = -x; - } -} - - -#define SKIN_SIZE_INITIALIZER { 0, 0 } - -int -skin_size_contains( SkinSize* size, int x, int y ) -{ - return ( (unsigned) x < (unsigned) size->w && - (unsigned) y < (unsigned) size->h ); -} - -void -skin_size_rotate( SkinSize* dst, SkinSize* src, SkinRotation rot ) -{ - int w = src->w; - int h = src->h; - - if ((rot & 1) != 0) { - dst->w = h; - dst->h = w; - } else { - dst->w = w; - dst->h = h; - } -} - -/** SKIN RECTANGLES - **/ -#define SKIN_RECT_INITIALIZER { SKIN_POS_INITIALIZER, SKIN_SIZE_INITIALIZER } - -void -skin_rect_init( SkinRect* r, int x, int y, int w, int h ) -{ - if (w < 0 || h < 0) - x = y = w = h = 0; - - r->pos.x = x; - r->pos.y = y; - r->size.w = w; - r->size.h = h; -} - - -void -skin_rect_translate( SkinRect* r, int dx, int dy ) -{ - r->pos.x += dx; - r->pos.y += dy; -} - - -void -skin_rect_rotate( SkinRect* dst, SkinRect* src, SkinRotation rot ) -{ - int x, y, w, h; - - switch (rot & 3) { - case SKIN_ROTATION_90: - x = src->pos.x; - y = src->pos.y; - w = src->size.w; - h = src->size.h; - dst->pos.x = -(y + h); - dst->pos.y = x; - dst->size.w = h; - dst->size.h = w; - break; - - case SKIN_ROTATION_180: - dst->pos.x = -(src->pos.x + src->size.w); - dst->pos.y = -(src->pos.y + src->size.h); - dst->size = src->size; - break; - - case SKIN_ROTATION_270: - x = src->pos.x; - y = src->pos.y; - w = src->size.w; - h = src->size.h; - dst->pos.x = y; - dst->pos.y = -(x + w); - dst->size.w = h; - dst->size.h = w; - break; - - default: - dst[0] = src[0]; - } -} - - -int -skin_rect_contains( SkinRect* r, int x, int y ) -{ - return ( (unsigned)(x - r->pos.x) < (unsigned)r->size.w && - (unsigned)(y - r->pos.y) < (unsigned)r->size.h ); -} - -SkinOverlap -skin_rect_contains_rect( SkinRect *r1, SkinRect *r2 ) -{ - SkinBox a, b; - - skin_box_from_rect( &a, r1 ); - skin_box_from_rect( &b, r2 ); - - if (a.x2 <= b.x1 || b.x2 <= a.x1 || a.y2 <= b.y1 || b.y2 <= a.y1) { - return SKIN_OUTSIDE; - } - - if (b.x1 >= a.x1 && b.x2 <= a.x2 && b.y1 >= a.y1 && b.y2 <= a.y2) { - return SKIN_INSIDE; - } - - return SKIN_OVERLAP; -} - - -int -skin_rect_intersect( SkinRect* result, SkinRect* r1, SkinRect* r2 ) -{ - SkinBox a, b, r; - - skin_box_from_rect( &a, r1 ); - skin_box_from_rect( &b, r2 ); - - if (a.x2 <= b.x1 || b.x2 <= a.x1 || a.y2 <= b.y1 || b.y2 <= a.y1) { - result->pos.x = result->pos.y = result->size.w = result->size.h = 0; - return 0; - } - - r.x1 = (a.x1 > b.x1) ? a.x1 : b.x1; - r.x2 = (a.x2 < b.x2) ? a.x2 : b.x2; - r.y1 = (a.y1 > b.y1) ? a.y1 : b.y1; - r.y2 = (a.y2 < b.y2) ? a.y2 : b.y2; - - skin_box_to_rect( &r, result ); - return 1; -} - -int -skin_rect_equals( SkinRect* r1, SkinRect* r2 ) -{ - return (r1->pos.x == r2->pos.x && r1->pos.y == r2->pos.y && - r1->size.w == r2->size.w && r2->size.h == r2->size.h); -} - -/** SKIN BOXES - **/ -void -skin_box_minmax_init( SkinBox* box ) -{ - box->x1 = box->y1 = INT_MAX; - box->x2 = box->y2 = INT_MIN; -} - -void -skin_box_minmax_update( SkinBox* a, SkinRect* r ) -{ - SkinBox b[1]; - - skin_box_from_rect(b, r); - - if (b->x1 < a->x1) a->x1 = b->x1; - if (b->y1 < a->y1) a->y1 = b->y1; - if (b->x2 > a->x2) a->x2 = b->x2; - if (b->y2 > a->y2) a->y2 = b->y2; -} - -int -skin_box_minmax_to_rect( SkinBox* box, SkinRect* r ) -{ - if (box->x1 > box->x2) { - r->pos.x = r->pos.y = r->size.w = r->size.h = 0; - return 0; - } - skin_box_to_rect( box, r ); - return 1; -} - -void -skin_box_from_rect( SkinBox* box, SkinRect* r ) -{ - box->x1 = r->pos.x; - box->y1 = r->pos.y; - box->x2 = r->size.w + box->x1; - box->y2 = r->size.h + box->y1; -} - -void -skin_box_to_rect( SkinBox* box, SkinRect* r ) -{ - r->pos.x = box->x1; - r->pos.y = box->y1; - r->size.w = box->x2 - box->x1; - r->size.h = box->y2 - box->y1; -} - |