CentrED/Client/Tools/UfrmHueSettings.pas

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(*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* http://www.opensource.org/licenses/cddl1.php. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying * information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2009 Andreas Schneider
*)
unit UfrmHueSettings;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, StdCtrls,
UfrmToolWindow, UHue;
type
{ TfrmHueSettings }
TfrmHueSettings = class(TfrmToolWindow)
edHue: TEdit;
lblHue: TLabel;
lbHue: TListBox;
procedure edHueEditingDone(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure lbHueDrawItem(Control: TWinControl; Index: Integer; ARect: TRect;
State: TOwnerDrawState);
procedure lbHueSelectionChange(Sender: TObject; User: boolean);
public
class procedure DrawHue(AHue: THue; ACanvas: TCanvas; ARect: TRect;
ACaption: string);
end;
var
frmHueSettings: TfrmHueSettings;
implementation
uses
UGameResources, UGraphicHelper;
{ TfrmHueSettings }
procedure TfrmHueSettings.edHueEditingDone(Sender: TObject);
var
hueID: Integer;
begin
if (not TryStrToInt(edHue.Text, hueID)) or (hueID >= lbHue.Items.Count) then
begin
edHue.Text := Format('$%x', [lbHue.ItemIndex]);
MessageDlg('Invalid Hue', 'The hue you''ve entered is invalid.', mtWarning, [mbOK], 0);
end else
lbHue.ItemIndex := hueID;
end;
procedure TfrmHueSettings.FormCreate(Sender: TObject);
var
i: Integer;
hue: THue;
begin
lbHue.Clear;
lbHue.Items.Add('$0 (no hue)');
for i := 1 to ResMan.Hue.Count do
begin
hue := ResMan.Hue.Hues[i-1];
lbHue.Items.AddObject(Format('$%x (%s)', [i, hue.Name]), hue);
end;
lbHue.ItemIndex := 0;
end;
procedure TfrmHueSettings.lbHueDrawItem(Control: TWinControl; Index: Integer;
ARect: TRect; State: TOwnerDrawState);
var
hue: THue;
begin
if Index > 0 then
hue := ResMan.Hue.Hues[Index-1]
else
hue := nil;
DrawHue(hue, lbHue.Canvas, ARect, lbHue.Items.Strings[Index]);
end;
procedure TfrmHueSettings.lbHueSelectionChange(Sender: TObject; User: boolean);
begin
edHue.Text := Format('$%x', [lbHue.ItemIndex]);
end;
class procedure TfrmHueSettings.DrawHue(AHue: THue; ACanvas: TCanvas; ARect: TRect;
ACaption: string);
var
hueColor: TColor;
i: Integer;
begin
ACanvas.Pen.Color := clWhite;
ACanvas.Rectangle(ARect);
if AHue <> nil then
for i := 0 to 31 do
begin
hueColor := ARGB2RGB(AHue.ColorTable[i]);
ACanvas.Pen.Color := hueColor;
ACanvas.MoveTo(ARect.Left + 2 + i, ARect.Top + 1);
ACanvas.LineTo(ARect.Left + 2 + i, ARect.Bottom - 1);
end;
ACanvas.TextOut(ARect.Left + 36, ARect.Top, ACaption);
end;
initialization
{$I UfrmHueSettings.lrs}
end.