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/**
* @file llfloatercolorpicker.h
* @brief Generic system color picker
*
* $LicenseInfo:firstyear=2004&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLFLOATERCOLORPICKER_H
#define LL_LLFLOATERCOLORPICKER_H
#include <vector>
#include "llfloater.h"
#include "llpointer.h"
#include "llcolorswatch.h"
#include "llspinctrl.h"
class LLButton;
class LLLineEditor;
class LLCheckBoxCtrl;
//////////////////////////////////////////////////////////////////////////////
// floater class
class LLFloaterColorPicker
: public LLFloater
{
public:
LLFloaterColorPicker (LLColorSwatchCtrl* swatch, BOOL show_apply_immediate = FALSE);
virtual ~LLFloaterColorPicker ();
// overrides
virtual BOOL postBuild ();
virtual void draw ();
virtual bool handleMouseDown ( S32 x, S32 y, MASK mask );
virtual bool handleMouseUp ( S32 x, S32 y, MASK mask );
virtual bool handleHover ( S32 x, S32 y, MASK mask );
virtual void onMouseCaptureLost();
virtual F32 getSwatchTransparency();
// implicit methods
void createUI ();
void initUI ( F32 rValIn, F32 gValIn, F32 bValIn );
void showUI ();
void destroyUI ();
void cancelSelection ();
LLColorSwatchCtrl* getSwatch () { return mSwatch; };
void setSwatch( LLColorSwatchCtrl* swatch) { mSwatch = swatch; }
// mutator / accessor for original RGB value
void setOrigRgb ( F32 origRIn, F32 origGIn, F32 origBIn );
void getOrigRgb ( F32& origROut, F32& origGOut, F32& origBOut );
F32 getOrigR () { return origR; };
F32 getOrigG () { return origG; };
F32 getOrigB () { return origB; };
// mutator / accessors for currernt RGB value
void setCurRgb ( F32 curRIn, F32 curGIn, F32 curBIn );
void getCurRgb ( F32& curROut, F32& curGOut, F32& curBOut );
F32 getCurR () { return curR; };
F32 getCurG () { return curG; };
F32 getCurB () { return curB; };
// mutator / accessors for currernt HSL value
void setCurHsl ( F32 curHIn, F32 curSIn, F32 curLIn );
void getCurHsl ( F32& curHOut, F32& curSOut, F32& curLOut );
F32 getCurH () { return curH; };
F32 getCurS () { return curS; };
F32 getCurL () { return curL; };
// updates current RGB/HSL values based on point in picker
BOOL updateRgbHslFromPoint ( S32 xPosIn, S32 yPosIn );
// updates text entry fields with current RGB/HSL
void updateTextEntry ();
void stopUsingPipette();
// mutator / accessor for mouse button pressed in region
void setMouseDownInHueRegion ( BOOL mouse_down_in_region );
BOOL getMouseDownInHueRegion () { return mMouseDownInHueRegion; };
void setMouseDownInLumRegion ( BOOL mouse_down_in_region );
BOOL getMouseDownInLumRegion () { return mMouseDownInLumRegion; };
void setMouseDownInSwatch (BOOL mouse_down_in_swatch);
BOOL getMouseDownInSwatch () { return mMouseDownInSwatch; }
BOOL isColorChanged ();
// called when text entries (RGB/HSL etc.) are changed by user
void onTextEntryChanged ( LLUICtrl* ctrl );
// convert RGB to HSL and vice-versa
void hslToRgb ( F32 hValIn, F32 sValIn, F32 lValIn, F32& rValOut, F32& gValOut, F32& bValOut );
F32 hueToRgb ( F32 val1In, F32 val2In, F32 valHUeIn );
void setActive(BOOL active);
protected:
// callbacks
static void onClickCancel ( void* data );
static void onClickSelect ( void* data );
void onClickPipette ( );
static void onTextCommit ( LLUICtrl* ctrl, void* data );
static void onImmediateCheck ( LLUICtrl* ctrl, void* data );
void onColorSelect( const class LLTextureEntry& te );
private:
// mutators for color values, can raise event to preview changes at object
void selectCurRgb ( F32 curRIn, F32 curGIn, F32 curBIn );
void selectCurHsl ( F32 curHIn, F32 curSIn, F32 curLIn );
// draws color selection palette
void drawPalette ();
// find a complimentary color to the one passed in that can be used to highlight
const LLColor4& getComplimentaryColor ( const LLColor4& backgroundColor );
// original RGB values
F32 origR, origG, origB;
// current RGB/HSL values
F32 curR, curG, curB;
F32 curH, curS, curL;
const S32 mComponents;
BOOL mMouseDownInLumRegion;
BOOL mMouseDownInHueRegion;
BOOL mMouseDownInSwatch;
const S32 mRGBViewerImageLeft;
const S32 mRGBViewerImageTop;
const S32 mRGBViewerImageWidth;
const S32 mRGBViewerImageHeight;
const S32 mLumRegionLeft;
const S32 mLumRegionTop;
const S32 mLumRegionWidth;
const S32 mLumRegionHeight;
const S32 mLumMarkerSize;
// Preview of the current color.
const S32 mSwatchRegionLeft;
const S32 mSwatchRegionTop;
const S32 mSwatchRegionWidth;
const S32 mSwatchRegionHeight;
LLView* mSwatchView;
const S32 numPaletteColumns;
const S32 numPaletteRows;
std::vector < LLColor4* > mPalette;
S32 highlightEntry;
const S32 mPaletteRegionLeft;
const S32 mPaletteRegionTop;
const S32 mPaletteRegionWidth;
const S32 mPaletteRegionHeight;
// image used to compose color grid
LLPointer<class LLViewerTexture> mRGBImage;
// current swatch in use
LLColorSwatchCtrl* mSwatch;
// are we actively tied to some output?
BOOL mActive;
// enable/disable immediate updates
LLCheckBoxCtrl* mApplyImmediateCheck;
BOOL mCanApplyImmediately;
LLButton* mSelectBtn;
LLButton* mCancelBtn;
LLButton* mPipetteBtn;
F32 mContextConeOpacity;
F32 mContextConeInAlpha;
F32 mContextConeOutAlpha;
F32 mContextConeFadeTime;
};
#endif // LL_LLFLOATERCOLORPICKER_H
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