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EPUN.PAS
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EPUN.PAS
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unit epun;
interface
uses Windows, SysUtils, Classes, Graphics, Forms, Controls, StdCtrls,
Buttons, ExtCtrls, PalEd;
type
Tepfrm = class(TForm)
OKBtn: TButton;
CancelBtn: TButton;
Bevel1: TBevel;
PaletteEdit: TPaletteEdit;
ICap: TLabel;
idxcap: TLabel;
CCAP: TLabel;
cicap: TLabel;
RevertBTN: TButton;
procedure PaletteEditMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure FormCreate(Sender: TObject);
procedure OKBtnClick(Sender: TObject);
procedure RevertBTNClick(Sender: TObject);
procedure PaletteEditColorChange(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
epfrm: Tepfrm;
function ShowEPFrm(var TheColor : TColor; SelectPal : boolean) : integer;
implementation
{$R *.DFM}
uses dpemform,photo;
const SELSTR = 'Select Color From Palette';
var tft : TFPhoto;
Colors : integer;
function ShowEPFrm(var TheColor : TColor; SelectPal : boolean) : integer;
begin
with TEPFrm.Create(Application) do
try
if SelectPal then Caption := SELSTR;
result := ShowModal;
if result = mrOk then TheColor := PaletteEdit.CurrentColor;
finally
Free;
end;
end;
procedure Tepfrm.PaletteEditMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
PaletteEditColorChange(Sender);
end;
procedure Tepfrm.FormCreate(Sender: TObject);
var t : Tcolor;
i : integer;
pal : TMaxLogPalette;
begin
tft := TFPhoto(DPEMain.ActiveMDIChild);
Colors := 256;
case tft.Photo.Picture.Bitmap.PixelFormat of
pf4bit : Colors := 16;
pf1bit : Colors := 2;
end;
GetPaletteEntries(tft.Photo.Picture.Bitmap.Palette,0,Colors,Pal.palpalentry);
PaletteEdit.MaxColors := Colors;
PaletteEdit.SetColor(0,RGB(pal.palpalentry[0].peBlue,pal.palpalentry[0].peGreen,pal.palpalentry[0].peRed));
for i := 1 to Colors-1 do
begin
PaletteEdit.SetColor(i,RGB(pal.palpalentry[i].peRed,pal.palpalentry[i].peGreen,pal.palpalentry[i].peBlue));
end;
idxCap.Caption := inttostr(PaletteEdit.CurrentColorIndex);
t := PaletteEdit.CurrentColor;
cicap.Caption := ' R: ' + IntToStr(GetRValue(ColorToRGB(t))) + ', G: ' + Inttostr(GetGValue(ColorToRGB(t))) +', B: ' +InttoStr(GetBValue(ColorToRGB(t)));
end;
procedure Tepfrm.OKBtnClick(Sender: TObject);
var pal : TMAxLogPalette;
i : integer;
t : TColor;
hpal : hpalette;
begin
pal.palVersion := $300;
pal.palNumEntries := Colors;
{t := PaletteEdit.GetColor(0);
// I dont know what bug is this, but first palette
// entry is in BGR order, so this workaround is
// applied
Pal.Palpalentry[0].peBlue := GetRvalue(ColorToRGB(t));
Pal.Palpalentry[0].peGreen := GetGvalue(ColorToRGB(t));
Pal.Palpalentry[0].peRed := GetBvalue(ColorToRGB(t));
Pal.Palpalentry[0].peFlags := 0;}
for i := 0 to Colors-1 do
begin
t := PaletteEdit.GetColor(i);
Pal.Palpalentry[i].peBlue := GetBvalue(ColorToRGB(t));
Pal.Palpalentry[i].peGreen := GetGvalue(ColorToRGB(t));
Pal.Palpalentry[i].peRed := GetRvalue(ColorToRGB(t));
Pal.Palpalentry[i].peFlags := 0;
end;
hpal := CreatePalette(PLogPalette(@Pal)^);
tft.SaveUndo;
tft.ApplyPalette(hpal);
tft.Modified := True;
end;
procedure Tepfrm.RevertBTNClick(Sender: TObject);
begin
FormCreate(Sender);
PaletteEdit.Repaint;
end;
procedure Tepfrm.PaletteEditColorChange(Sender: TObject);
var t : TColor;
begin
idxCap.Caption := inttostr(PaletteEdit.CurrentColorIndex);
t := PaletteEdit.CurrentColor;
cicap.Caption := ' R: ' + IntToStr(GetRValue(ColorToRGB(t))) + ', G: ' + Inttostr(GetGValue(ColorToRGB(t))) +', B: ' +InttoStr(GetBValue(ColorToRGB(t)));
end;
end.