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435a566751
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
#include "fitz-base.h"
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fz_rect fz_infiniterect = { 1, 1, -1, -1 };
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fz_rect fz_emptyrect = { 0, 0, 0, 0 };
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static fz_irect infinite = { 1, 1, -1, -1 };
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static fz_irect empty = { 0, 0, 0, 0 };
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fz_irect
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fz_roundrect(fz_rect f)
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{
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fz_irect i;
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i.x0 = fz_floor(f.x0);
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i.y0 = fz_floor(f.y0);
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i.x1 = fz_ceil(f.x1);
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i.y1 = fz_ceil(f.y1);
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return i;
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}
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fz_rect
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fz_intersectrects(fz_rect a, fz_rect b)
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{
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fz_rect r;
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if (fz_isinfiniterect(a)) return b;
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if (fz_isinfiniterect(b)) return a;
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r.x0 = MAX(a.x0, b.x0);
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r.y0 = MAX(a.y0, b.y0);
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r.x1 = MIN(a.x1, b.x1);
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r.y1 = MIN(a.y1, b.y1);
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return (r.x1 < r.x0 || r.y1 < r.y0) ? fz_emptyrect : r;
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}
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fz_rect
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fz_mergerects(fz_rect a, fz_rect b)
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{
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fz_rect r;
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if (fz_isinfiniterect(a) || fz_isinfiniterect(b))
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return fz_infiniterect;
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if (fz_isemptyrect(a)) return b;
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if (fz_isemptyrect(b)) return a;
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r.x0 = MIN(a.x0, b.x0);
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r.y0 = MIN(a.y0, b.y0);
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r.x1 = MAX(a.x1, b.x1);
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r.y1 = MAX(a.y1, b.y1);
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return r;
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}
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fz_irect
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fz_intersectirects(fz_irect a, fz_irect b)
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{
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fz_irect r;
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if (fz_isinfiniterect(a)) return b;
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if (fz_isinfiniterect(b)) return a;
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r.x0 = MAX(a.x0, b.x0);
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r.y0 = MAX(a.y0, b.y0);
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r.x1 = MIN(a.x1, b.x1);
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r.y1 = MIN(a.y1, b.y1);
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return (r.x1 < r.x0 || r.y1 < r.y0) ? empty : r;
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}
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fz_irect
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fz_mergeirects(fz_irect a, fz_irect b)
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{
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fz_irect r;
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if (fz_isinfiniterect(a) || fz_isinfiniterect(b))
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return infinite;
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if (fz_isemptyrect(a)) return b;
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if (fz_isemptyrect(b)) return a;
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r.x0 = MIN(a.x0, b.x0);
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r.y0 = MIN(a.y0, b.y0);
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r.x1 = MAX(a.x1, b.x1);
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r.y1 = MAX(a.y1, b.y1);
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return r;
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}
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