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Canvas, TShape ... Rectangle with pointed corners (no missing pixels)
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Topic: Canvas, TShape ... Rectangle with pointed corners (no missing pixels) (Read 945 times)
RAW
Hero Member
Posts: 868
Canvas, TShape ... Rectangle with pointed corners (no missing pixels)
«
on:
August 12, 2019, 08:12:07 pm »
Obviously I'm missing something ... Can someone explain how to get real pointed corners (Canvas, TShape: Rectangle)?
Code: Pascal
[Select]
[+]
[-]
unit
Unit1
;
{$mode objfpc}{$H+}
interface
uses
Classes
,
SysUtils
,
Forms
,
Controls
,
Graphics
,
ExtCtrls
;
type
TForm1
=
class
(
TForm
)
procedure
FormPaint
(
Sender
:
TObject
)
;
procedure
FormCreate
(
Sender
:
TObject
)
;
end
;
var
Form1
:
TForm1
;
implementation
{$R *.lfm}
procedure
TForm1
.
FormPaint
(
Sender
:
TObject
)
;
begin
Canvas
.
Pen
.
Width
:
=
6
;
Canvas
.
Pen
.
Color
:
=
RGBToColor
(
0
,
80
,
255
)
;
Canvas
.
Rectangle
(
400
,
100
,
800
,
400
)
;
Canvas
.
Pen
.
Color
:
=
clRed
;
Canvas
.
Frame
(
300
,
300
,
600
,
600
)
;
end
;
procedure
TForm1
.
FormCreate
(
Sender
:
TObject
)
;
var
shp
:
TShape
;
begin
Color
:
=
clWhite
;
shp
:
=
TShape
.
Create
(
Self
)
;
shp
.
Shape
:
=
stRectangle
;
shp
.
Pen
.
Color
:
=
RGBToColor
(
0
,
80
,
255
)
;
shp
.
Pen
.
Width
:
=
6
;
shp
.
SetBounds
(
100
,
100
,
200
,
100
)
;
shp
.
Parent
:
=
Self
;
end
;
end
.
Logged
Windows 7 Pro (x64 Sp1) & Windows XP Pro (x86 Sp3).
wp
Hero Member
Posts: 11923
Re: Canvas, TShape ... Rectangle with pointed corners (no missing pixels)
«
Reply #1 on:
August 12, 2019, 09:50:25 pm »
Set the pen's JoinStyle to pjsMiter
Logged
RAW
Hero Member
Posts: 868
Re: Canvas, TShape ... Rectangle with pointed corners (no missing pixels)
«
Reply #2 on:
August 12, 2019, 10:22:01 pm »
Ah, JoinStyle ... Thank you very much, next time I need to take a closer look!
Logged
Windows 7 Pro (x64 Sp1) & Windows XP Pro (x86 Sp3).
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Canvas, TShape ... Rectangle with pointed corners (no missing pixels)
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