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ColourPickerUnit.h
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ColourPickerUnit.h
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#ifndef ColourPickerUnitH
#define ColourPickerUnitH
#include <System.Classes.hpp>
#include <Vcl.Controls.hpp>
#include <Vcl.StdCtrls.hpp>
#include <Vcl.Forms.hpp>
#include <Vcl.ExtCtrls.hpp>
#include <Vcl.Samples.Spin.hpp>
typedef void __fastcall (__closure *t_colour_picker_on_colour_updated)(TObject *Sender, TColor colour);
typedef void __fastcall (__closure *t_colour_picker_on_close)(TObject *Sender, const int type, TColor colour);
#define COLOUR_PICKER_OK_BUT 2
#define COLOUR_PICKER_CANCEL_BUT 1
#define COLOUR_PICKER_NO_BUT 0
class TColourPickerForm : public TForm
{
__published: // IDE-managed Components
TPanel *SpectrumPanel;
TPaintBox *SpectrumPaintBox;
TPanel *LuminosityPanel;
TPaintBox *LuminosityPaintBox;
TPanel *ColourPanel;
TPaintBox *ColourPaintBox;
TSpinEdit *RedSpinEdit;
TLabel *Label1;
TLabel *Label2;
TSpinEdit *GreenSpinEdit;
TLabel *Label3;
TSpinEdit *BlueSpinEdit;
TEdit *HexEdit;
TLabel *Label4;
TLabel *ColourNameLabel;
TButton *CancelButton;
TButton *OKButton;
TButton *RestoreButton;
TPaintBox *LuminosityArrowPaintBox;
void __fastcall FormCreate(TObject *Sender);
void __fastcall FormDestroy(TObject *Sender);
void __fastcall FormClose(TObject *Sender, TCloseAction &Action);
void __fastcall FormHide(TObject *Sender);
void __fastcall SpectrumPaintBoxPaint(TObject *Sender);
void __fastcall LuminosityPaintBoxPaint(TObject *Sender);
void __fastcall ColourPaintBoxPaint(TObject *Sender);
void __fastcall EditChange(TObject *Sender);
void __fastcall SpectrumPaintBoxMouseMove(TObject *Sender, TShiftState Shift,
int X, int Y);
void __fastcall LuminosityArrowPaintBoxPaint(TObject *Sender);
void __fastcall SpectrumPaintBoxMouseDown(TObject *Sender, TMouseButton Button,
TShiftState Shift, int X, int Y);
void __fastcall LuminosityPaintBoxMouseDown(TObject *Sender, TMouseButton Button,
TShiftState Shift, int X, int Y);
void __fastcall LuminosityPaintBoxMouseMove(TObject *Sender, TShiftState Shift,
int X, int Y);
void __fastcall CancelButtonClick(TObject *Sender);
void __fastcall OKButtonClick(TObject *Sender);
void __fastcall RestoreButtonClick(TObject *Sender);
private: // User declarations
Graphics::TBitmap *m_spectrum_base_bm;
Graphics::TBitmap *m_spectrum_bm;
Graphics::TBitmap *m_luminosity_bm;
Graphics::TBitmap *m_luminosity_arrow_bm;
int m_mouse_x;
int m_mouse_y;
TForm *m_sender_form;
TColor m_colour;
float m_hue;
float m_sat;
float m_lum;
t_colour_picker_on_colour_updated m_on_colour_updated;
t_colour_picker_on_close m_on_close;
void __fastcall WMWindowPosChanging(TWMWindowPosChanging &msg);
void __fastcall showColour();
protected:
#pragma option push -vi-
BEGIN_MESSAGE_MAP
VCL_MESSAGE_HANDLER(WM_WINDOWPOSCHANGING, TWMWindowPosMsg, WMWindowPosChanging);
END_MESSAGE_MAP(TForm)
#pragma option pop
public: // User declarations
__fastcall TColourPickerForm(TComponent* Owner);
void __fastcall show(TObject *Sender, int x, int y, TColor colour, String colour_name);
__property t_colour_picker_on_colour_updated onColourUpdated = {read = m_on_colour_updated, write = m_on_colour_updated};
__property t_colour_picker_on_close onClose = {read = m_on_close, write = m_on_close};
};
extern PACKAGE TColourPickerForm *ColourPickerForm;
#endif