llfloatercolorpicker.cpp
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- /**
- * @file llfloatercolorpicker.cpp
- * @brief Generic system color picker
- *
- * $LicenseInfo:firstyear=2004&license=viewergpl$
- *
- * Copyright (c) 2004-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "llviewerprecompiledheaders.h"
- #include "llfloatercolorpicker.h"
- // Viewer project includes
- #include "lltoolmgr.h"
- #include "lltoolpipette.h"
- #include "llviewercontrol.h"
- #include "llworld.h"
- // Linden library includes
- #include "llfontgl.h"
- #include "llsys.h"
- #include "llgl.h"
- #include "llrender.h"
- #include "v3dmath.h"
- #include "lldir.h"
- #include "llui.h"
- #include "lllineeditor.h"
- #include "v4coloru.h"
- #include "llbutton.h"
- #include "lluictrlfactory.h"
- #include "llgl.h"
- #include "llpointer.h"
- #include "llimage.h"
- #include "llmousehandler.h"
- #include "llglheaders.h"
- #include "llcheckboxctrl.h"
- #include "lltextbox.h"
- #include "lluiconstants.h"
- #include "llfocusmgr.h"
- #include "lldraghandle.h"
- #include "llwindow.h"
- // System includes
- #include <sstream>
- #include <iomanip>
- const F32 CONTEXT_CONE_IN_ALPHA = 0.0f;
- const F32 CONTEXT_CONE_OUT_ALPHA = 1.f;
- const F32 CONTEXT_FADE_TIME = 0.08f;
- //////////////////////////////////////////////////////////////////////////////
- //
- // Class LLFloaterColorPicker
- //
- //////////////////////////////////////////////////////////////////////////////
- LLFloaterColorPicker::LLFloaterColorPicker (LLColorSwatchCtrl* swatch, BOOL show_apply_immediate )
- : LLFloater(LLSD()),
- mComponents ( 3 ),
- mMouseDownInLumRegion ( FALSE ),
- mMouseDownInHueRegion ( FALSE ),
- mMouseDownInSwatch ( FALSE ),
- // *TODO: Specify this in XML
- mRGBViewerImageLeft ( 140 ),
- mRGBViewerImageTop ( 356 ),
- mRGBViewerImageWidth ( 256 ),
- mRGBViewerImageHeight ( 256 ),
- mLumRegionLeft ( mRGBViewerImageLeft + mRGBViewerImageWidth + 16 ),
- mLumRegionTop ( mRGBViewerImageTop ),
- mLumRegionWidth ( 16 ),
- mLumRegionHeight ( mRGBViewerImageHeight ),
- mLumMarkerSize ( 6 ),
- // *TODO: Specify this in XML
- mSwatchRegionLeft ( 12 ),
- mSwatchRegionTop ( 190 ),
- mSwatchRegionWidth ( 116 ),
- mSwatchRegionHeight ( 60 ),
- mSwatchView ( NULL ),
- // *TODO: Specify this in XML
- numPaletteColumns ( 16 ),
- numPaletteRows ( 2 ),
- highlightEntry ( -1 ),
- mPaletteRegionLeft ( 11 ),
- mPaletteRegionTop ( 100 - 8 ),
- mPaletteRegionWidth ( mLumRegionLeft + mLumRegionWidth - 10 ),
- mPaletteRegionHeight ( 40 ),
- mSwatch ( swatch ),
- mActive ( TRUE ),
- mCanApplyImmediately ( show_apply_immediate ),
- mContextConeOpacity ( 0.f )
- {
- // build the majority of the gui using the factory builder
- LLUICtrlFactory::getInstance()->buildFloater ( this, "floater_color_picker.xml", NULL );
- // create user interface for this picker
- createUI ();
- if (!mCanApplyImmediately)
- {
- mApplyImmediateCheck->setEnabled(FALSE);
- mApplyImmediateCheck->set(FALSE);
- }
- }
- LLFloaterColorPicker::~LLFloaterColorPicker()
- {
- // destroy the UI we created
- destroyUI ();
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- void LLFloaterColorPicker::createUI ()
- {
- // create RGB type area (not really RGB but it's got R,G & B in it.,..
- LLPointer<LLImageRaw> raw = new LLImageRaw ( mRGBViewerImageWidth, mRGBViewerImageHeight, mComponents );
- U8* bits = raw->getData();
- S32 linesize = mRGBViewerImageWidth * mComponents;
- for ( S32 y = 0; y < mRGBViewerImageHeight; ++y )
- {
- for ( S32 x = 0; x < linesize; x += mComponents )
- {
- F32 rVal, gVal, bVal;
- hslToRgb ( (F32)x / (F32) ( linesize - 1 ),
- (F32)y / (F32) ( mRGBViewerImageHeight - 1 ),
- 0.5f,
- rVal,
- gVal,
- bVal );
- * ( bits + x + y * linesize + 0 ) = ( U8 )( rVal * 255.0f );
- * ( bits + x + y * linesize + 1 ) = ( U8 )( gVal * 255.0f );
- * ( bits + x + y * linesize + 2 ) = ( U8 )( bVal * 255.0f );
- }
- }
- mRGBImage = LLViewerTextureManager::getLocalTexture( (LLImageRaw*)raw, FALSE );
- gGL.getTexUnit(0)->bind(mRGBImage);
- mRGBImage->setAddressMode(LLTexUnit::TAM_CLAMP);
- // create palette
- for ( S32 each = 0; each < numPaletteColumns * numPaletteRows; ++each )
- {
- std::ostringstream codec;
- codec << "ColorPaletteEntry" << std::setfill ( '0' ) << std::setw ( 2 ) << each + 1;
- // argh!
- const std::string s ( codec.str () );
- mPalette.push_back ( new LLColor4 ( LLUIColorTable::instance().getColor ( s ) ) );
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- void LLFloaterColorPicker::showUI ()
- {
- setVisible ( TRUE );
- setFocus ( TRUE );
- openFloater(getKey());
- // HACK: if system color picker is required - close the SL one we made and use default system dialog
- if ( gSavedSettings.getBOOL ( "UseDefaultColorPicker" ) )
- {
- LLColorSwatchCtrl* swatch = getSwatch ();
- setVisible ( FALSE );
- // code that will get switched in for default system color picker
- if ( swatch )
- {
- LLColor4 curCol = swatch->get ();
- send_agent_pause();
- getWindow()->dialogColorPicker( &curCol [ 0 ], &curCol [ 1 ], &curCol [ 2 ] );
- send_agent_resume();
- setOrigRgb ( curCol [ 0 ], curCol [ 1 ], curCol [ 2 ] );
- setCurRgb( curCol [ 0 ], curCol [ 1 ], curCol [ 2 ] );
- LLColorSwatchCtrl::onColorChanged ( swatch, LLColorSwatchCtrl::COLOR_CHANGE );
- }
- closeFloater();
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- // called after the dialog is rendered
- BOOL LLFloaterColorPicker::postBuild()
- {
- mCancelBtn = getChild<LLButton>( "cancel_btn" );
- mCancelBtn->setClickedCallback ( onClickCancel, this );
- mSelectBtn = getChild<LLButton>( "select_btn");
- mSelectBtn->setClickedCallback ( onClickSelect, this );
- mSelectBtn->setFocus ( TRUE );
- mPipetteBtn = getChild<LLButton>("color_pipette" );
- mPipetteBtn->setImages(std::string("eye_button_inactive.tga"), std::string("eye_button_active.tga"));
- mPipetteBtn->setCommitCallback( boost::bind(&LLFloaterColorPicker::onClickPipette, this ));
- mApplyImmediateCheck = getChild<LLCheckBoxCtrl>("apply_immediate");
- mApplyImmediateCheck->set(gSavedSettings.getBOOL("ApplyColorImmediately"));
- mApplyImmediateCheck->setCommitCallback(onImmediateCheck, this);
- childSetCommitCallback("rspin", onTextCommit, (void*)this );
- childSetCommitCallback("gspin", onTextCommit, (void*)this );
- childSetCommitCallback("bspin", onTextCommit, (void*)this );
- childSetCommitCallback("hspin", onTextCommit, (void*)this );
- childSetCommitCallback("sspin", onTextCommit, (void*)this );
- childSetCommitCallback("lspin", onTextCommit, (void*)this );
- LLToolPipette::getInstance()->setToolSelectCallback(boost::bind(&LLFloaterColorPicker::onColorSelect, this, _1));
- return TRUE;
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- void LLFloaterColorPicker::initUI ( F32 rValIn, F32 gValIn, F32 bValIn )
- {
- // under some circumstances, we get rogue values that can be calmed by clamping...
- rValIn = llclamp ( rValIn, 0.0f, 1.0f );
- gValIn = llclamp ( gValIn, 0.0f, 1.0f );
- bValIn = llclamp ( bValIn, 0.0f, 1.0f );
- // store initial value in case cancel or revert is selected
- setOrigRgb ( rValIn, gValIn, bValIn );
- // starting point for current value to
- setCurRgb ( rValIn, gValIn, bValIn );
- // unpdate text entry fields
- updateTextEntry ();
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- void LLFloaterColorPicker::destroyUI ()
- {
- // shut down pipette tool if active
- stopUsingPipette();
- // delete palette we created
- std::vector < LLColor4* >::iterator iter = mPalette.begin ();
- while ( iter != mPalette.end () )
- {
- delete ( *iter );
- ++iter;
- }
- if ( mSwatchView )
- {
- this->removeChild ( mSwatchView );
- delete mSwatchView;
- mSwatchView = NULL;
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- F32 LLFloaterColorPicker::hueToRgb ( F32 val1In, F32 val2In, F32 valHUeIn )
- {
- if ( valHUeIn < 0.0f ) valHUeIn += 1.0f;
- if ( valHUeIn > 1.0f ) valHUeIn -= 1.0f;
- if ( ( 6.0f * valHUeIn ) < 1.0f ) return ( val1In + ( val2In - val1In ) * 6.0f * valHUeIn );
- if ( ( 2.0f * valHUeIn ) < 1.0f ) return ( val2In );
- if ( ( 3.0f * valHUeIn ) < 2.0f ) return ( val1In + ( val2In - val1In ) * ( ( 2.0f / 3.0f ) - valHUeIn ) * 6.0f );
- return ( val1In );
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- void LLFloaterColorPicker::hslToRgb ( F32 hValIn, F32 sValIn, F32 lValIn, F32& rValOut, F32& gValOut, F32& bValOut )
- {
- if ( sValIn < 0.00001f )
- {
- rValOut = lValIn;
- gValOut = lValIn;
- bValOut = lValIn;
- }
- else
- {
- F32 interVal1;
- F32 interVal2;
- if ( lValIn < 0.5f )
- interVal2 = lValIn * ( 1.0f + sValIn );
- else
- interVal2 = ( lValIn + sValIn ) - ( sValIn * lValIn );
- interVal1 = 2.0f * lValIn - interVal2;
- rValOut = hueToRgb ( interVal1, interVal2, hValIn + ( 1.f / 3.f ) );
- gValOut = hueToRgb ( interVal1, interVal2, hValIn );
- bValOut = hueToRgb ( interVal1, interVal2, hValIn - ( 1.f / 3.f ) );
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- // mutator for original RGB value
- void LLFloaterColorPicker::setOrigRgb ( F32 origRIn, F32 origGIn, F32 origBIn )
- {
- origR = origRIn;
- origG = origGIn;
- origB = origBIn;
- }
- //////////////////////////////////////////////////////////////////////////////
- // accessor for original RGB value
- void LLFloaterColorPicker::getOrigRgb ( F32& origROut, F32& origGOut, F32& origBOut )
- {
- origROut = origR;
- origGOut = origG;
- origBOut = origB;
- }
- //////////////////////////////////////////////////////////////////////////////
- // mutator for current RGB value
- void LLFloaterColorPicker::setCurRgb ( F32 curRIn, F32 curGIn, F32 curBIn )
- {
- // save current RGB
- curR = curRIn;
- curG = curGIn;
- curB = curBIn;
- // update corresponding HSL values and
- LLColor3(curRIn, curGIn, curBIn).calcHSL(&curH, &curS, &curL);
- // color changed so update text fields
- updateTextEntry();
- }
- //////////////////////////////////////////////////////////////////////////////
- // accessor for current RGB value
- void LLFloaterColorPicker::getCurRgb ( F32& curROut, F32& curGOut, F32& curBOut )
- {
- curROut = curR;
- curGOut = curG;
- curBOut = curB;
- }
- //////////////////////////////////////////////////////////////////////////////
- // mutator for current HSL value
- void LLFloaterColorPicker::setCurHsl ( F32 curHIn, F32 curSIn, F32 curLIn )
- {
- // save current HSL
- curH = curHIn;
- curS = curSIn;
- curL = curLIn;
- // update corresponding RGB values and
- hslToRgb ( curH, curS, curL, curR, curG, curB );
- }
- //////////////////////////////////////////////////////////////////////////////
- // accessor for current HSL value
- void LLFloaterColorPicker::getCurHsl ( F32& curHOut, F32& curSOut, F32& curLOut )
- {
- curHOut = curH;
- curSOut = curS;
- curLOut = curL;
- }
- //////////////////////////////////////////////////////////////////////////////
- // called when 'cancel' clicked
- void LLFloaterColorPicker::onClickCancel ( void* data )
- {
- if (data)
- {
- LLFloaterColorPicker* self = ( LLFloaterColorPicker* )data;
- if ( self )
- {
- self->cancelSelection ();
- self->closeFloater();
- }
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- // called when 'select' clicked
- void LLFloaterColorPicker::onClickSelect ( void* data )
- {
- if (data)
- {
- LLFloaterColorPicker* self = ( LLFloaterColorPicker* )data;
- if ( self )
- {
- // apply to selection
- LLColorSwatchCtrl::onColorChanged ( self->getSwatch (), LLColorSwatchCtrl::COLOR_SELECT );
- self->closeFloater();
- }
- }
- }
- void LLFloaterColorPicker::onClickPipette( )
- {
- BOOL pipette_active = mPipetteBtn->getToggleState();
- pipette_active = !pipette_active;
- if (pipette_active)
- {
- LLToolMgr::getInstance()->setTransientTool(LLToolPipette::getInstance());
- }
- else
- {
- LLToolMgr::getInstance()->clearTransientTool();
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- // called when 'text is committed' - i,e. focus moves from a text field
- void LLFloaterColorPicker::onTextCommit ( LLUICtrl* ctrl, void* data )
- {
- if ( data )
- {
- LLFloaterColorPicker* self = ( LLFloaterColorPicker* )data;
- if ( self )
- {
- self->onTextEntryChanged ( ctrl );
- }
- }
- }
- void LLFloaterColorPicker::onImmediateCheck( LLUICtrl* ctrl, void* data)
- {
- LLFloaterColorPicker* self = ( LLFloaterColorPicker* )data;
- if (self)
- {
- gSavedSettings.setBOOL("ApplyColorImmediately", self->mApplyImmediateCheck->get());
- if (self->mApplyImmediateCheck->get())
- {
- LLColorSwatchCtrl::onColorChanged ( self->getSwatch (), LLColorSwatchCtrl::COLOR_CHANGE );
- }
- }
- }
- void LLFloaterColorPicker::onColorSelect( const LLTextureEntry& te )
- {
- setCurRgb(te.getColor().mV[VRED], te.getColor().mV[VGREEN], te.getColor().mV[VBLUE]);
- if (mApplyImmediateCheck->get())
- {
- LLColorSwatchCtrl::onColorChanged ( getSwatch (), LLColorSwatchCtrl::COLOR_CHANGE );
- }
- }
- void LLFloaterColorPicker::onMouseCaptureLost()
- {
- setMouseDownInHueRegion(FALSE);
- setMouseDownInLumRegion(FALSE);
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- void LLFloaterColorPicker::draw()
- {
- LLRect swatch_rect;
- mSwatch->localRectToOtherView(mSwatch->getLocalRect(), &swatch_rect, this);
- // draw context cone connecting color picker with color swatch in parent floater
- LLRect local_rect = getLocalRect();
- if (gFocusMgr.childHasKeyboardFocus(this) && mSwatch->isInVisibleChain() && mContextConeOpacity > 0.001f)
- {
- gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
- LLGLEnable(GL_CULL_FACE);
- gGL.begin(LLRender::QUADS);
- {
- gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
- gGL.vertex2i(swatch_rect.mLeft, swatch_rect.mTop);
- gGL.vertex2i(swatch_rect.mRight, swatch_rect.mTop);
- gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_OUT_ALPHA * mContextConeOpacity);
- gGL.vertex2i(local_rect.mRight, local_rect.mTop);
- gGL.vertex2i(local_rect.mLeft, local_rect.mTop);
- gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_OUT_ALPHA * mContextConeOpacity);
- gGL.vertex2i(local_rect.mLeft, local_rect.mTop);
- gGL.vertex2i(local_rect.mLeft, local_rect.mBottom);
- gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
- gGL.vertex2i(swatch_rect.mLeft, swatch_rect.mBottom);
- gGL.vertex2i(swatch_rect.mLeft, swatch_rect.mTop);
- gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_OUT_ALPHA * mContextConeOpacity);
- gGL.vertex2i(local_rect.mRight, local_rect.mBottom);
- gGL.vertex2i(local_rect.mRight, local_rect.mTop);
- gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
- gGL.vertex2i(swatch_rect.mRight, swatch_rect.mTop);
- gGL.vertex2i(swatch_rect.mRight, swatch_rect.mBottom);
- gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_OUT_ALPHA * mContextConeOpacity);
- gGL.vertex2i(local_rect.mLeft, local_rect.mBottom);
- gGL.vertex2i(local_rect.mRight, local_rect.mBottom);
- gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
- gGL.vertex2i(swatch_rect.mRight, swatch_rect.mBottom);
- gGL.vertex2i(swatch_rect.mLeft, swatch_rect.mBottom);
- }
- gGL.end();
- }
- if (gFocusMgr.childHasMouseCapture(getDragHandle()))
- {
- mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
- }
- else
- {
- mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
- }
- mPipetteBtn->setToggleState(LLToolMgr::getInstance()->getCurrentTool() == LLToolPipette::getInstance());
- mApplyImmediateCheck->setEnabled(mActive && mCanApplyImmediately);
- mSelectBtn->setEnabled(mActive);
- // base floater stuff
- LLFloater::draw ();
- // draw image for RGB area (not really RGB but you'll see what I mean...
- gl_draw_image ( mRGBViewerImageLeft, mRGBViewerImageTop - mRGBViewerImageHeight, mRGBImage, LLColor4::white );
- // update 'cursor' into RGB Section
- S32 xPos = ( S32 ) ( ( F32 )mRGBViewerImageWidth * getCurH () ) - 8;
- S32 yPos = ( S32 ) ( ( F32 )mRGBViewerImageHeight * getCurS () ) - 8;
- gl_line_2d ( mRGBViewerImageLeft + xPos,
- mRGBViewerImageTop - mRGBViewerImageHeight + yPos + 8,
- mRGBViewerImageLeft + xPos + 16,
- mRGBViewerImageTop - mRGBViewerImageHeight + yPos + 8,
- LLColor4 ( 0.0f, 0.0f, 0.0f, 1.0f ) );
- gl_line_2d ( mRGBViewerImageLeft + xPos + 8,
- mRGBViewerImageTop - mRGBViewerImageHeight + yPos,
- mRGBViewerImageLeft + xPos + 8,
- mRGBViewerImageTop - mRGBViewerImageHeight + yPos + 16,
- LLColor4 ( 0.0f, 0.0f, 0.0f, 1.0f ) );
- // create rgb area outline
- gl_rect_2d ( mRGBViewerImageLeft,
- mRGBViewerImageTop - mRGBViewerImageHeight,
- mRGBViewerImageLeft + mRGBViewerImageWidth + 1,
- mRGBViewerImageTop,
- LLColor4 ( 0.0f, 0.0f, 0.0f, 1.0f ),
- FALSE );
- // draw luminance slider
- for ( S32 y = 0; y < mLumRegionHeight; ++y )
- {
- F32 rValSlider, gValSlider, bValSlider;
- hslToRgb ( getCurH (), getCurS (), ( F32 )y / ( F32 )mLumRegionHeight, rValSlider, gValSlider, bValSlider );
- gl_rect_2d( mLumRegionLeft,
- mLumRegionTop - mLumRegionHeight + y,
- mLumRegionLeft + mLumRegionWidth,
- mLumRegionTop - mLumRegionHeight + y - 1,
- LLColor4 ( rValSlider, gValSlider, bValSlider, 1.0f ) );
- }
- // draw luninance marker
- S32 startX = mLumRegionLeft + mLumRegionWidth;
- S32 startY = mLumRegionTop - mLumRegionHeight + ( S32 ) ( mLumRegionHeight * getCurL () );
- gl_triangle_2d ( startX, startY,
- startX + mLumMarkerSize, startY - mLumMarkerSize,
- startX + mLumMarkerSize, startY + mLumMarkerSize,
- LLColor4 ( 0.75f, 0.75f, 0.75f, 1.0f ), TRUE );
- // draw luminance slider outline
- gl_rect_2d ( mLumRegionLeft,
- mLumRegionTop - mLumRegionHeight,
- mLumRegionLeft + mLumRegionWidth + 1,
- mLumRegionTop,
- LLColor4 ( 0.0f, 0.0f, 0.0f, 1.0f ),
- FALSE );
- // draw selected color swatch
- gl_rect_2d ( mSwatchRegionLeft,
- mSwatchRegionTop - mSwatchRegionHeight,
- mSwatchRegionLeft + mSwatchRegionWidth,
- mSwatchRegionTop,
- LLColor4 ( getCurR (), getCurG (), getCurB (), 1.0f ),
- TRUE );
- // draw selected color swatch outline
- gl_rect_2d ( mSwatchRegionLeft,
- mSwatchRegionTop - mSwatchRegionHeight,
- mSwatchRegionLeft + mSwatchRegionWidth + 1,
- mSwatchRegionTop,
- LLColor4 ( 0.0f, 0.0f, 0.0f, 1.0f ),
- FALSE );
- // color palette code is a little more involved so break it out into its' own method
- drawPalette ();
- }
- //////////////////////////////////////////////////////////////////////////////
- // find a complimentary color to the one passed in that can be used to highlight
- const LLColor4& LLFloaterColorPicker::getComplimentaryColor ( const LLColor4& backgroundColor )
- {
- // going to base calculation on luminance
- F32 hVal, sVal, lVal;
- backgroundColor.calcHSL(&hVal, &sVal, &lVal);
- hVal *= 360.f;
- sVal *= 100.f;
- lVal *= 100.f;
- // fairly simple heuristic for now...!
- if ( lVal < 0.5f )
- {
- return LLColor4::white;
- }
- return LLColor4::black;
- }
- //////////////////////////////////////////////////////////////////////////////
- // draw color palette
- void LLFloaterColorPicker::drawPalette ()
- {
- S32 curEntry = 0;
- for ( S32 y = 0; y < numPaletteRows; ++y )
- {
- for ( S32 x = 0; x < numPaletteColumns; ++x )
- {
- // calculate position
- S32 x1 = mPaletteRegionLeft + ( mPaletteRegionWidth * x ) / numPaletteColumns;
- S32 y1 = mPaletteRegionTop - ( mPaletteRegionHeight * y ) / numPaletteRows;
- S32 x2 = ( mPaletteRegionLeft + ( mPaletteRegionWidth * ( x + 1 ) ) / numPaletteColumns );
- S32 y2 = ( mPaletteRegionTop - ( mPaletteRegionHeight * ( y + 1 ) ) / numPaletteRows );
- // draw palette entry color
- if ( mPalette [ curEntry ] )
- {
- gl_rect_2d ( x1 + 2, y1 - 2, x2 - 2, y2 + 2, *mPalette [ curEntry++ ], TRUE );
- gl_rect_2d ( x1 + 1, y1 - 1, x2 - 1, y2 + 1, LLColor4 ( 0.0f, 0.0f, 0.0f, 1.0f ), FALSE );
- }
- }
- }
- // if there is something to highlight (mouse down in swatch & hovering over palette)
- if ( highlightEntry >= 0 )
- {
- // extract row/column from palette index
- S32 entryColumn = highlightEntry % numPaletteColumns;
- S32 entryRow = highlightEntry / numPaletteColumns;
- // calculate position of this entry
- S32 x1 = mPaletteRegionLeft + ( mPaletteRegionWidth * entryColumn ) / numPaletteColumns;
- S32 y1 = mPaletteRegionTop - ( mPaletteRegionHeight * entryRow ) / numPaletteRows;
- S32 x2 = ( mPaletteRegionLeft + ( mPaletteRegionWidth * ( entryColumn + 1 ) ) / numPaletteColumns );
- S32 y2 = ( mPaletteRegionTop - ( mPaletteRegionHeight * ( entryRow + 1 ) ) / numPaletteRows );
- // center position of entry
- S32 xCenter = x1 + ( x2 - x1 ) / 2;
- S32 yCenter = y1 - ( y1 - y2 ) / 2;
- // find a color that works well as a highlight color
- LLColor4 hlColor ( getComplimentaryColor ( *mPalette [ highlightEntry ] ) );
- // mark a cross for entry that is being hovered
- gl_line_2d ( xCenter - 4, yCenter - 4, xCenter + 4, yCenter + 4, hlColor );
- gl_line_2d ( xCenter + 4, yCenter - 4, xCenter - 4, yCenter + 4, hlColor );
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- // update text entry values for RGB/HSL (can't be done in ::draw () since this overwrites input
- void LLFloaterColorPicker::updateTextEntry ()
- {
- // set values in spinners
- childSetValue("rspin", ( getCurR () * 255.0f ) );
- childSetValue("gspin", ( getCurG () * 255.0f ) );
- childSetValue("bspin", ( getCurB () * 255.0f ) );
- childSetValue("hspin", ( getCurH () * 360.0f ) );
- childSetValue("sspin", ( getCurS () * 100.0f ) );
- childSetValue("lspin", ( getCurL () * 100.0f ) );
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- void LLFloaterColorPicker::onTextEntryChanged ( LLUICtrl* ctrl )
- {
- // value in RGB boxes changed
- std::string name = ctrl->getName();
- if ( ( name == "rspin" ) || ( name == "gspin" ) || ( name == "bspin" ) )
- {
- // get current RGB
- F32 rVal, gVal, bVal;
- getCurRgb ( rVal, gVal, bVal );
- // update component value with new value from text
- if ( name == "rspin" )
- {
- rVal = (F32)ctrl->getValue().asReal() / 255.0f;
- }
- else
- if ( name == "gspin" )
- {
- gVal = (F32)ctrl->getValue().asReal() / 255.0f;
- }
- else
- if ( name == "bspin" )
- {
- bVal = (F32)ctrl->getValue().asReal() / 255.0f;
- }
- // update current RGB (and implicitly HSL)
- setCurRgb ( rVal, gVal, bVal );
- updateTextEntry ();
- }
- else
- // value in HSL boxes changed
- if ( ( name == "hspin" ) || ( name == "sspin" ) || ( name == "lspin" ) )
- {
- // get current HSL
- F32 hVal, sVal, lVal;
- getCurHsl ( hVal, sVal, lVal );
- // update component value with new value from text
- if ( name == "hspin" )
- hVal = (F32)ctrl->getValue().asReal() / 360.0f;
- else
- if ( name == "sspin" )
- sVal = (F32)ctrl->getValue().asReal() / 100.0f;
- else
- if ( name == "lspin" )
- lVal = (F32)ctrl->getValue().asReal() / 100.0f;
- // update current HSL (and implicitly RGB)
- setCurHsl ( hVal, sVal, lVal );
- updateTextEntry ();
- }
- if (mApplyImmediateCheck->get())
- {
- LLColorSwatchCtrl::onColorChanged ( getSwatch (), LLColorSwatchCtrl::COLOR_CHANGE );
- }
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- BOOL LLFloaterColorPicker::updateRgbHslFromPoint ( S32 xPosIn, S32 yPosIn )
- {
- if ( xPosIn >= mRGBViewerImageLeft &&
- xPosIn <= mRGBViewerImageLeft + mRGBViewerImageWidth &&
- yPosIn <= mRGBViewerImageTop &&
- yPosIn >= mRGBViewerImageTop - mRGBViewerImageHeight )
- {
- // update HSL (and therefore RGB) based on new H & S and current L
- setCurHsl ( ( ( F32 )xPosIn - ( F32 )mRGBViewerImageLeft ) / ( F32 )mRGBViewerImageWidth,
- ( ( F32 )yPosIn - ( ( F32 )mRGBViewerImageTop - ( F32 )mRGBViewerImageHeight ) ) / ( F32 )mRGBViewerImageHeight,
- getCurL () );
- // indicate a value changed
- return TRUE;
- }
- else
- if ( xPosIn >= mLumRegionLeft &&
- xPosIn <= mLumRegionLeft + mLumRegionWidth &&
- yPosIn <= mLumRegionTop &&
- yPosIn >= mLumRegionTop - mLumRegionHeight )
- {
- // update HSL (and therefore RGB) based on current HS and new L
- setCurHsl ( getCurH (),
- getCurS (),
- ( ( F32 )yPosIn - ( ( F32 )mRGBViewerImageTop - ( F32 )mRGBViewerImageHeight ) ) / ( F32 )mRGBViewerImageHeight );
- // indicate a value changed
- return TRUE;
- }
- return FALSE;
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- BOOL LLFloaterColorPicker::handleMouseDown ( S32 x, S32 y, MASK mask )
- {
- // make it the frontmost
- gFloaterView->bringToFront(this);
- // rect containing RGB area
- LLRect rgbAreaRect ( mRGBViewerImageLeft,
- mRGBViewerImageTop,
- mRGBViewerImageLeft + mRGBViewerImageWidth,
- mRGBViewerImageTop - mRGBViewerImageHeight );
- if ( rgbAreaRect.pointInRect ( x, y ) )
- {
- gFocusMgr.setMouseCapture(this);
- // mouse button down
- setMouseDownInHueRegion ( TRUE );
- // update all values based on initial click
- updateRgbHslFromPoint ( x, y );
- // required by base class
- return TRUE;
- }
- // rect containing RGB area
- LLRect lumAreaRect ( mLumRegionLeft,
- mLumRegionTop,
- mLumRegionLeft + mLumRegionWidth + mLumMarkerSize,
- mLumRegionTop - mLumRegionHeight );
- if ( lumAreaRect.pointInRect ( x, y ) )
- {
- gFocusMgr.setMouseCapture(this);
- // mouse button down
- setMouseDownInLumRegion ( TRUE );
- // required by base class
- return TRUE;
- }
- // rect containing swatch area
- LLRect swatchRect ( mSwatchRegionLeft,
- mSwatchRegionTop,
- mSwatchRegionLeft + mSwatchRegionWidth,
- mSwatchRegionTop - mSwatchRegionHeight );
- setMouseDownInSwatch( FALSE );
- if ( swatchRect.pointInRect ( x, y ) )
- {
- setMouseDownInSwatch( TRUE );
- // required - dont drag windows here.
- return TRUE;
- }
- // rect containing palette area
- LLRect paletteRect ( mPaletteRegionLeft,
- mPaletteRegionTop,
- mPaletteRegionLeft + mPaletteRegionWidth,
- mPaletteRegionTop - mPaletteRegionHeight );
- if ( paletteRect.pointInRect ( x, y ) )
- {
- // release keyboard focus so we can change text values
- if (gFocusMgr.childHasKeyboardFocus(this))
- {
- mSelectBtn->setFocus(TRUE);
- }
- // calculate which palette index we selected
- S32 c = ( ( x - mPaletteRegionLeft ) * numPaletteColumns ) / mPaletteRegionWidth;
- S32 r = ( ( y - ( mPaletteRegionTop - mPaletteRegionHeight ) ) * numPaletteRows ) / mPaletteRegionHeight;
- U32 index = ( numPaletteRows - r - 1 ) * numPaletteColumns + c;
- if ( index <= mPalette.size () )
- {
- LLColor4 selected = *mPalette [ index ];
- setCurRgb ( selected [ 0 ], selected [ 1 ], selected [ 2 ] );
- if (mApplyImmediateCheck->get())
- {
- LLColorSwatchCtrl::onColorChanged ( getSwatch (), LLColorSwatchCtrl::COLOR_CHANGE );
- }
- updateTextEntry ();
- }
- return TRUE;
- }
- // dispatch to base class for the rest of things
- return LLFloater::handleMouseDown ( x, y, mask );
- }
- //////////////////////////////////////////////////////////////////////////////
- //
- BOOL LLFloaterColorPicker::handleHover ( S32 x, S32 y, MASK mask )
- {
- // if we're the front most window
- if ( isFrontmost () )
- {
- // mouse was pressed within region
- if ( getMouseDownInHueRegion() || getMouseDownInLumRegion())
- {
- S32 clamped_x, clamped_y;
- if (getMouseDownInHueRegion())
- {
- clamped_x = llclamp(x, mRGBViewerImageLeft, mRGBViewerImageLeft + mRGBViewerImageWidth);
- clamped_y = llclamp(y, mRGBViewerImageTop - mRGBViewerImageHeight, mRGBViewerImageTop);
- }
- else
- {
- clamped_x = llclamp(x, mLumRegionLeft, mLumRegionLeft + mLumRegionWidth);
- clamped_y = llclamp(y, mLumRegionTop - mLumRegionHeight, mLumRegionTop);
- }
- // update the stored RGB/HSL values using the mouse position - returns TRUE if RGB was updated
- if ( updateRgbHslFromPoint ( clamped_x, clamped_y ) )
- {
- // update text entry fields
- updateTextEntry ();
- // RN: apparently changing color when dragging generates too much traffic and results in sporadic updates
- //// commit changed color to swatch subject
- //// REVIEW: this gets sent each time a color changes - is this okay ?
- //if (mApplyImmediateCheck->get())
- //{
- // LLColorSwatchCtrl::onColorChanged ( getSwatch () );
- //}
- }
- }
- highlightEntry = -1;
- if ( mMouseDownInSwatch )
- {
- getWindow()->setCursor ( UI_CURSOR_ARROWDRAG );
- // if cursor if over a palette entry
- LLRect paletteRect ( mPaletteRegionLeft,
- mPaletteRegionTop,
- mPaletteRegionLeft + mPaletteRegionWidth,
- mPaletteRegionTop - mPaletteRegionHeight );
- if ( paletteRect.pointInRect ( x, y ) )
- {
- // find row/column in palette
- S32 xOffset = ( ( x - mPaletteRegionLeft ) * numPaletteColumns ) / mPaletteRegionWidth;
- S32 yOffset = ( ( mPaletteRegionTop - y - 1 ) * numPaletteRows ) / mPaletteRegionHeight;
- // calculate the entry 0..n-1 to highlight and set variable to next draw() picks it up
- highlightEntry = xOffset + yOffset * numPaletteColumns;
- }
- return TRUE;
- }
- }
- // dispatch to base class for the rest of things
- return LLFloater::handleHover ( x, y, mask );
- }
- //////////////////////////////////////////////////////////////////////////////
- // reverts state once mouse button is released
- BOOL LLFloaterColorPicker::handleMouseUp ( S32 x, S32 y, MASK mask )
- {
- getWindow()->setCursor ( UI_CURSOR_ARROW );
- if (getMouseDownInHueRegion() || getMouseDownInLumRegion())
- {
- if (mApplyImmediateCheck->get())
- {
- LLColorSwatchCtrl::onColorChanged ( getSwatch (), LLColorSwatchCtrl::COLOR_CHANGE );
- }
- }
- // rect containing palette area
- LLRect paletteRect ( mPaletteRegionLeft,
- mPaletteRegionTop,
- mPaletteRegionLeft + mPaletteRegionWidth,
- mPaletteRegionTop - mPaletteRegionHeight );
- if ( paletteRect.pointInRect ( x, y ) )
- {
- if ( mMouseDownInSwatch )
- {
- S32 curEntry = 0;
- for ( S32 row = 0; row < numPaletteRows; ++row )
- {
- for ( S32 column = 0; column < numPaletteColumns; ++column )
- {
- S32 left = mPaletteRegionLeft + ( mPaletteRegionWidth * column ) / numPaletteColumns;
- S32 top = mPaletteRegionTop - ( mPaletteRegionHeight * row ) / numPaletteRows;
- S32 right = ( mPaletteRegionLeft + ( mPaletteRegionWidth * ( column + 1 ) ) / numPaletteColumns );
- S32 bottom = ( mPaletteRegionTop - ( mPaletteRegionHeight * ( row + 1 ) ) / numPaletteRows );
- // rect is flipped vertically when testing here
- LLRect dropRect ( left, top, right, bottom );
- if ( dropRect.pointInRect ( x, y ) )
- {
- if ( mPalette [ curEntry ] )
- {
- delete mPalette [ curEntry ];
- mPalette [ curEntry ] = new LLColor4 ( getCurR (), getCurG (), getCurB (), 1.0f );
- // save off color
- std::ostringstream codec;
- codec << "ColorPaletteEntry" << std::setfill ( '0' ) << std::setw ( 2 ) << curEntry + 1;
- const std::string s ( codec.str () );
- LLUIColorTable::instance().setColor(s, *mPalette [ curEntry ] );
- }
- }
- ++curEntry;
- }
- }
- }
- }
- // mouse button not down anymore
- setMouseDownInHueRegion ( FALSE );
- setMouseDownInLumRegion ( FALSE );
- // mouse button not down in color swatch anymore
- mMouseDownInSwatch = false;
- if (hasMouseCapture())
- {
- gFocusMgr.setMouseCapture(NULL);
- }
- // dispatch to base class for the rest of things
- return LLFloater::handleMouseUp ( x, y, mask );
- }
- //////////////////////////////////////////////////////////////////////////////
- // cancel current color selection, revert to original and close picker
- void LLFloaterColorPicker::cancelSelection ()
- {
- // restore the previous color selection
- setCurRgb ( getOrigR (), getOrigG (), getOrigB () );
- // update in world item with original color via current swatch
- LLColorSwatchCtrl::onColorChanged( getSwatch(), LLColorSwatchCtrl::COLOR_CANCEL );
- // hide picker dialog
- this->setVisible ( FALSE );
- }
- void LLFloaterColorPicker::setMouseDownInHueRegion ( BOOL mouse_down_in_region )
- {
- mMouseDownInHueRegion = mouse_down_in_region;
- if (mouse_down_in_region)
- {
- if (gFocusMgr.childHasKeyboardFocus(this))
- {
- // get focus out of spinners so that they can update freely
- mSelectBtn->setFocus(TRUE);
- }
- }
- }
- void LLFloaterColorPicker::setMouseDownInLumRegion ( BOOL mouse_down_in_region )
- {
- mMouseDownInLumRegion = mouse_down_in_region;
- if (mouse_down_in_region)
- {
- if (gFocusMgr.childHasKeyboardFocus(this))
- {
- // get focus out of spinners so that they can update freely
- mSelectBtn->setFocus(TRUE);
- }
- }
- }
- void LLFloaterColorPicker::setMouseDownInSwatch (BOOL mouse_down_in_swatch)
- {
- mMouseDownInSwatch = mouse_down_in_swatch;
- if (mouse_down_in_swatch)
- {
- if (gFocusMgr.childHasKeyboardFocus(this))
- {
- // get focus out of spinners so that they can update freely
- mSelectBtn->setFocus(TRUE);
- }
- }
- }
- void LLFloaterColorPicker::setActive(BOOL active)
- {
- // shut down pipette tool if active
- if (!active && mPipetteBtn->getToggleState())
- {
- stopUsingPipette();
- }
- mActive = active;
- }
- void LLFloaterColorPicker::stopUsingPipette()
- {
- if (LLToolMgr::getInstance()->getCurrentTool() == LLToolPipette::getInstance())
- {
- LLToolMgr::getInstance()->clearTransientTool();
- }
- }