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Stroker finished!

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git-svn-id: svn://ultimatepp.org/upp/trunk@839 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2009-02-06 18:31:20 +00:00
parent 9e72828045
commit f9554adb2d
15 changed files with 549 additions and 143 deletions
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106
uppdev/ScanLine/main.cpp
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@ -14,6 +14,8 @@ struct Raget : VertexTarget {
struct App : TopWindow {
double x1, y1, x2, y2, x3, y3;
Pointf p1, p2, p3, p4;
String Text() {
return Format("r.Move(%f, %f);\nr.Line(%f, %f);\nr.Line(%f, %f);\nr.Line(%f, %f);\n", x1, y1, x2, y2, x3, y3, x1, y1);
@ -21,30 +23,24 @@ struct App : TopWindow {
virtual void LeftDown(Point p, dword keyflags)
{
x1 = p.x;
y1 = p.y;
(keyflags & K_ALT ? p4 : p1) = p;
Refresh();
ClearClipboard();
AppendClipboardText(Text());
}
virtual void RightDown(Point p, dword)
{
x2 = p.x;
y2 = p.y;
p2 = p;
Refresh();
ClearClipboard();
AppendClipboardText(Text());
}
virtual void MouseMove(Point p, dword keyflags)
{
x3 = p.x;
y3 = p.y;
p2 = p;
Refresh();
ClearClipboard();
AppendClipboardText(Text());
}
virtual Image CursorImage(Point p, dword keyflags) { return Image::Cross(); }
virtual void Paint(Draw& w) {
virtual void Paint(Draw& w);
virtual void Paint1(Draw& w) {
ImageBuffer ib(600, 600);
Fill(~ib, White(), ib.GetLength());
/* Apply(ib[20], 100, Black(), a);
@ -72,15 +68,14 @@ struct App : TopWindow {
r.Line(x1, y1);
#endif
Raget q(r);
#if 1
r.Move(200, 300);
ApproximateQuadratic(q, Pointf(200, 300), Pointf(400, 50), Pointf(600, 300), 0.3);
// ApproximateQuadratic(q, Pointf(200, 300), Pointf(400, 50), Pointf(600, 300), 0.3);
r.Line(200, 300);
Render(ib, r, Red(), false);
#endif
r.Move(100, 200);
ApproximateCubic(q, Pointf(100, 200), Pointf(100, 100), Pointf(250, 100), Pointf(250, 200), 2);
// ApproximateCubic(q, Pointf(100, 200), Pointf(100, 100), Pointf(250, 100), Pointf(250, 200), 2);
r.Line(150, 400);
r.Line(100, 200);
Render(ib, r, Blue(), false);
@ -99,10 +94,87 @@ struct App : TopWindow {
}
App() {
x1 = y1 = x2 = y2 = 0;
p1 = p4 = Pointf(100, 100);
p2 = Pointf(200, 100);
p3 = Pointf(150, 200);
}
};
struct RasterizerTarget : VertexTarget {
Rasterizer& r;
ImageBuffer& ib;
virtual void Line(const Pointf& p)
{
r.Line(p.x, p.y);
}
virtual void Move(const Pointf& p)
{
r.Move(p.x, p.y);
}
virtual void End()
{
Render(ib, r, Black(), false);
}
RasterizerTarget(ImageBuffer& ib, Rasterizer& r) : ib(ib), r(r) {}
};
#if 1
void App::Paint(Draw& w)
{
Size sz = GetSize();
ImageBuffer ib(sz.cx, sz.cy);
Rasterizer r(sz.cx, sz.cy);
Fill(~ib, White(), ib.GetLength());
RasterizerTarget tgt(ib, r);
Stroker s(20, 4, 0.3, LINECAP_ROUND, LINEJOIN_ROUND);
s|tgt;
s.Move(p1);
s.Line(p2);
// s.Line(p3);
// s.Line(p4);
s.End();
w.DrawImage(0, 0, ib);
}
#else
struct LineTarget : VertexTarget {
Draw& w;
Pointf p;
virtual void Line(const Pointf& p1)
{
w.DrawLine(p.x, p.y, p1.x, p1.y);
p = p1;
}
virtual void Move(const Pointf& p1)
{
p = p1;
}
virtual void End() {}
LineTarget(Draw& w) : w(w) {}
};
void App::Paint(Draw& w)
{
w.DrawRect(GetSize(), White());
LineTarget ltg(w);
Stroker s(20, 4, 0.3, LINECAP_ROUND, LINEJOIN_ROUND);
s|ltg;
s.Move(p1);
s.Line(p2);
// s.Line(p3);
// s.Line(p4);
s.End();
}
#endif
GUI_APP_MAIN {
App().Run();
#ifdef _DEBUG