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Refactoring Rasterizer

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git-svn-id: svn://ultimatepp.org/upp/trunk@820 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2009-01-28 19:06:20 +00:00
parent 3cf347c47e
commit d2d643e416
6 changed files with 546 additions and 0 deletions
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uppdev/ScanLine/main.cpp Normal file
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#include "ScanLine.h"
struct App : TopWindow {
virtual void Paint(Draw& w) {
ScanLine a, b;
static byte line1[] = { 1, 50, 100, 128, 128, 128, 128, 128, 100, 50, 1 };
a = Pack(0, line1, __countof(line1));
ImageBuffer ib(400, 400);
Fill(~ib, White(), ib.GetLength());
Apply(ib[20], 100, Black(), a);
a.x = 10;
Apply(ib[30], 100, Blue(), a);
for(int i = 0; i < 20; i++) {
b = Pack(i, line1, __countof(line1));
Apply(ib[50 + 2 * i], 100, Black(), And(a, b));
}
Rasterizer r(400);
r.Line(100 * 256, 100 * 256, 300 * 256, 100 * 256);
r.Line(300 * 256, 100 * 256, 200 * 256, 300 * 256);
r.Line(200 * 256, 300 * 256, 100 * 256, 100 * 256);
for(int y = r.MinY(); y <= r.MaxY(); y++) {
ScanLine sl = r.Get(y);
DUMP(sl);
Apply(ib[y], 400, Black(), sl);
}
w.DrawRect(GetSize(), White());
w.DrawImage(0, 0, ib);
}
};
GUI_APP_MAIN {
App().Run();
ScanLine a, b, c;
static byte line1[] = { 1, 50, 100, 128, 128, 128, 128, 128, 100, 50, 1 };
a = Pack(0, line1, __countof(line1));
DUMP(a);
for(int i = 0; i < 16; i++) {
b = Pack(i, line1, __countof(line1));
DUMP(b);
DUMP(And(a, b));
DUMP(And(b, a));
}
#ifndef _DEBUG
int x = 0;
b = Pack(3, line1, __countof(line1));
for(int i = 0; i < 10000000; i++) {
RTIMING("And");
x += And(a, b).x;
}
#endif
}