1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
{*****************************************}
{ }
{ FastReport v2.3 }
{ Color selector }
{ }
{ Copyright (c) 1998-99 by Tzyganenko A. }
{ }
{*****************************************}
unit LR_Color;
interface
{$I LR_Vers.inc}
uses
SysUtils, Classes, Graphics, Controls,
Forms, Dialogs, Buttons, ExtCtrls,
LR_Const;
type
TColorSelector = class(TPanel)
private
FColor: TColor;
FOtherBtn: TSpeedButton;
FOnColorSelected: TNotifyEvent;
procedure ButtonClick(Sender: TObject);
procedure SetColor(Value: TColor); reintroduce;
public
constructor Create(AOwner: TComponent); override;
property Color: TColor read FColor write SetColor;
property OnColorSelected: TNotifyEvent read FOnColorSelected write
FOnColorSelected;
end;
implementation
uses LR_Class;
var
frColors: Array[0..15] of TColor =
(clWhite, clBlack, clMaroon, clGreen, clOlive, clNavy, clPurple, clTeal,
clGray, clSilver, clRed, clLime, clYellow, clBlue, clFuchsia, clAqua);
constructor TColorSelector.Create(AOwner: TComponent);
var
b : TSpeedButton;
i,j: Integer;
bmp: TBitmap;
begin
inherited Create(AOwner);
Parent := AOwner as TWinControl;
Width := 96;
Height := 132;
bmp := TBitmap.Create;
bmp.Width := 16;
bmp.Height := 17;
with bmp.Canvas do
begin
Brush.Color := clBtnFace;
FillRect(Rect(0, 0, 16, 17));
end;
for i := 0 to 3 do
begin
for j := 0 to 3 do
begin
b := TSpeedButton.Create(Self);
b.Parent := Self;
b.SetBounds(j * 22 + 4, i * 22 + 4, 22, 22);
with bmp.Canvas do
begin
Brush.Color := frColors[i * 4 + j];
Pen.Color := clBtnShadow;
Rectangle(0, 0, 16, 16);
end;
b.Glyph.Assign(bmp);
b.Tag := i * 4 + j;
b.OnClick := @ButtonClick;
b.GroupIndex := 1;
b.Flat := True;
end;
end;
b := TSpeedButton.Create(Self);
with b do
begin
Parent := Self;
SetBounds(4, 92, 88, 18);
Tag := 16;
Caption := sTransparent;
OnClick := @ButtonClick;
GroupIndex := 1;
Flat := True;
end;
FOtherBtn := TSpeedButton.Create(Self);
with FOtherBtn do
begin
Parent := Self;
SetBounds(4, 110, 88, 18);
Tag := 17;
Caption := sOther;
OnClick := @ButtonClick;
GroupIndex := 1;
Flat := True;
end;
bmp.Free;
end;
procedure TColorSelector.ButtonClick(Sender: TObject);
var
cd: TColorDialog;
i: Integer;
begin
try
i := (Sender as TSpeedButton).Tag;
case i of
0..15: FColor := frColors[i];
16 : FColor := clNone;
17 : begin
cd := TColorDialog.Create(Self);
//** cd.Options := [cdFullOpen];
if cd.Execute then
FColor := cd.Color
else
Exit;
end;
end;
finally
if Assigned(fOnColorSelected) then
FOnColorSelected(Self);
Hide;
end;
end;
procedure TColorSelector.SetColor(Value: TColor);
var
i,j: Integer;
c : TSpeedButton;
bmp: TBitmap;
begin
for i := 0 to 16 do
begin
if ((i=16) and (Value=clNone)) or (frColors[i]=Value) then
begin
for j := 0 to ControlCount-1 do
begin
c:=Controls[j] as TSpeedButton;
if c.Tag=i then
begin
c.Down:=True;
FOtherBtn.Glyph.FreeImage;
break;
end;
end;
Exit;
end;
end;
bmp := TBitmap.Create;
try
bmp.Width := 12;
bmp.Height := 13;
with bmp.Canvas do
begin
Brush.Color := clBtnFace;
FillRect(Rect(0, 0, 12, 13));
Brush.Color := Value;
Pen.Color := clBtnShadow;
Rectangle(0, 0, 12, 12);
end;
FOtherBtn.Glyph.Assign(bmp);
finally
bmp.Free;
end;
end;
end.
|
