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author | rsc <devnull@localhost> | 2003-09-30 17:47:42 +0000 |
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committer | rsc <devnull@localhost> | 2003-09-30 17:47:42 +0000 |
commit | ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad (patch) | |
tree | ebcd32d20b0df2584bce713fefa87620ecd1cce7 /src/libdraw/draw.c | |
parent | b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4 (diff) | |
download | plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.tar.gz plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.tar.bz2 plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.zip |
Initial import.
Diffstat (limited to 'src/libdraw/draw.c')
-rw-r--r-- | src/libdraw/draw.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/libdraw/draw.c b/src/libdraw/draw.c new file mode 100644 index 00000000..d3f83e88 --- /dev/null +++ b/src/libdraw/draw.c @@ -0,0 +1,69 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> + +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); +} |