From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001 From: Taru Karttunen Date: Wed, 30 Mar 2011 15:46:40 +0300 Subject: Import sources from 2011-03-30 iso image --- sys/src/libdraw/draw.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100755 sys/src/libdraw/draw.c (limited to 'sys/src/libdraw/draw.c') diff --git a/sys/src/libdraw/draw.c b/sys/src/libdraw/draw.c new file mode 100755 index 000000000..d3f83e885 --- /dev/null +++ b/sys/src/libdraw/draw.c @@ -0,0 +1,69 @@ +#include +#include +#include + +void +_setdrawop(Display *d, Drawop op) +{ + uchar *a; + + if(op != SoverD){ + a = bufimage(d, 1+1); + if(a == 0) + return; + a[0] = 'O'; + a[1] = op; + } +} + +static void +draw1(Image *dst, Rectangle *r, Image *src, Point *p0, Image *mask, Point *p1, Drawop op) +{ + uchar *a; + + _setdrawop(dst->display, op); + + a = bufimage(dst->display, 1+4+4+4+4*4+2*4+2*4); + if(a == 0) + return; + if(src == nil) + src = dst->display->black; + if(mask == nil) + mask = dst->display->opaque; + a[0] = 'd'; + BPLONG(a+1, dst->id); + BPLONG(a+5, src->id); + BPLONG(a+9, mask->id); + BPLONG(a+13, r->min.x); + BPLONG(a+17, r->min.y); + BPLONG(a+21, r->max.x); + BPLONG(a+25, r->max.y); + BPLONG(a+29, p0->x); + BPLONG(a+33, p0->y); + BPLONG(a+37, p1->x); + BPLONG(a+41, p1->y); +} + +void +draw(Image *dst, Rectangle r, Image *src, Image *mask, Point p1) +{ + draw1(dst, &r, src, &p1, mask, &p1, SoverD); +} + +void +drawop(Image *dst, Rectangle r, Image *src, Image *mask, Point p1, Drawop op) +{ + draw1(dst, &r, src, &p1, mask, &p1, op); +} + +void +gendraw(Image *dst, Rectangle r, Image *src, Point p0, Image *mask, Point p1) +{ + draw1(dst, &r, src, &p0, mask, &p1, SoverD); +} + +void +gendrawop(Image *dst, Rectangle r, Image *src, Point p0, Image *mask, Point p1, Drawop op) +{ + draw1(dst, &r, src, &p0, mask, &p1, op); +} -- cgit v1.2.3