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// ValidCtrCheck est utilisé pour être sûr que les composants créés ne
// contiennent aucune fonction virtuelle pure.
//
static inline void ValidCtrCheck(jShape *)
{
new jShape(NULL);
}
//---------------------------------------------------------------------------
__fastcall jShape::jShape(TComponent* Owner)
: TGraphicControl(Owner)
{
if(Owner->InheritsFrom(__classid(TWinControl))) Parent = (TWinControl*)Owner;
Width = 60;
Height = 60;
}
//--
namespace Jshape
{
void __fastcall PACKAGE Register()
{
TComponentClass classes[1] = {__classid(jShape)};
RegisterComponents("Exemples", classes, 0);
}
}
//--
void __fastcall jShape::SetShape(jShapeType Value)
{
FShape = Value;
Repaint();
}
//--
void __fastcall jShape::SetPenStyle(TPenStyle Value)
{
FPenStyle = Value;
Repaint();
}
//--
void __fastcall jShape::SetPenColor(TColor Value)
{
FPenColor = Value;
Repaint();
}
//--
void __fastcall jShape::SetBrushStyle(TBrushStyle Value)
{
FBrushStyle = Value;
Repaint();
}
//--
void __fastcall jShape::SetBrushColor(TColor Value)
{
FBrushColor = Value;
Repaint();
}
//--
void __fastcall jShape::SetTriangle(jTriangleType Value)
{
FTriangle = Value;
Repaint();
}
//--
void __fastcall jShape::SetRatio(int Value)
{
if(Value < 0) Value = -Value;
if(Value > 100) Value = 100;
FRatio = Value;
Repaint();
}
//--
void __fastcall jShape::Paint()
{
Canvas->Brush->Color = Parent->Brush->Color;
Canvas->Brush->Style = bsSolid;
Canvas->FillRect(Rect(0,0, Width, Height));
Canvas->Brush->Color = BrushColor;
Canvas->Brush->Style = BrushStyle;
Canvas->Pen->Color = PenColor;
Canvas->Pen->Style = PenStyle;
switch(Shape)
{
case ztRectangle :
Canvas->Rectangle(0, 0, Width-1, Height-1);
break;
case ztSquare :
DrawSquare();
break;
case ztRoundRect :
//...
break;
case ztRoundSquare :
//...
break;
case ztEllipse :
Canvas->Ellipse(0,0, Width-1, Height-1);
break;
case ztCircle :
DrawCircle();
break;
case ztLosange :
DrawLosange();
break;
case ztTriangle :
DrawTriangle();
break;
}
}
//--
void __fastcall jShape::DrawLosange()
{
int we = Width / 2;
int he = Height / 2;
Canvas->MoveTo(we,0);
Canvas->LineTo(Width-1, he);
Canvas->LineTo(we, Height-1);
Canvas->LineTo(0, he);
Canvas->LineTo(we,0);
Canvas->FloodFill(we,he, Canvas->Pixels[we][he], fsSurface);
}
//---------------------------------------------------------------------------
void __fastcall jShape::DrawSquare()
{
int we = Width / 2;
int he = Height / 2;
int size = we;
if(we > he) size = he;
Canvas->Rectangle(we-size, he-size, we+size, he+size);
}
//---------------------------------------------------------------------------
void __fastcall jShape::DrawCircle()
{
int we = Width / 2;
int he = Height / 2;
int size = we;
if(we > he) size = he;
Canvas->Ellipse(we-size, he-size, we+size, he+size);
}
//---------------------------------------------------------------------------
void __fastcall jShape::DrawTriangle()
{
TPoint S1;
TPoint S2;
TPoint S3;
TPoint FP;
int we = Width-1;
int he = Height-1;
switch(Triangle)
{
case ztLeft :
S1 = Point(0, he);
S2 = Point(0, 0);
S3 = Point(we, (he * FRatio) / 100);
break;
case ztTop :
S1 = Point(0, 0);
S2 = Point(we, 0);
S3 = Point(we - ((we * FRatio) / 100), he);
break;
case ztRight :
S1 = Point(we, 0);
S2 = Point(we, he);
S3 = Point(0, he-((he * FRatio) / 100));
break;
case ztBottom :
S1 = Point(we,he);
S2 = Point(0, he);
S3 = Point((we * FRatio) / 100, 0);
break;
}
FP = Point((S1.x + S2.x + S3.x) / 3,(S1.y + S2.y + S3.y) / 3) ;
Canvas->MoveTo(S1.x, S1.y);
Canvas->LineTo(S2.x, S2.y);
Canvas->LineTo(S3.x, S3.y);
Canvas->LineTo(S1.x, S1.y);
Canvas->FloodFill(FP.x,FP.y, Canvas->Pixels[FP.x][FP.y], fsSurface);
}
//-- |
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