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/**
* @file llviewborder.cpp
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llviewborder.h"
#include "llrender.h"
#include "llfocusmgr.h"
#include "lluictrlfactory.h"
#include "lluiimage.h"
static LLDefaultChildRegistry::Register<LLViewBorder> r("view_border");
void LLViewBorder::BevelValues::declareValues()
{
declare("in", LLViewBorder::BEVEL_IN);
declare("out", LLViewBorder::BEVEL_OUT);
declare("bright", LLViewBorder::BEVEL_BRIGHT);
declare("none", LLViewBorder::BEVEL_NONE);
}
void LLViewBorder::StyleValues::declareValues()
{
declare("line", LLViewBorder::STYLE_LINE);
declare("texture", LLViewBorder::STYLE_TEXTURE);
}
LLViewBorder::Params::Params()
: bevel_style("bevel_style", BEVEL_OUT),
render_style("border_style", STYLE_LINE),
border_thickness("border_thickness"),
highlight_light_color("highlight_light_color"),
highlight_dark_color("highlight_dark_color"),
shadow_light_color("shadow_light_color"),
shadow_dark_color("shadow_dark_color")
{
addSynonym(border_thickness, "thickness");
addSynonym(render_style, "style");
}
LLViewBorder::LLViewBorder(const LLViewBorder::Params& p)
: LLView(p),
mTexture( NULL ),
mHasKeyboardFocus( false ),
mBorderWidth(p.border_thickness),
mHighlightLight(p.highlight_light_color()),
mHighlightDark(p.highlight_dark_color()),
mShadowLight(p.shadow_light_color()),
mShadowDark(p.shadow_dark_color()),
mBevel(p.bevel_style),
mStyle(p.render_style)
{}
void LLViewBorder::setColors( const LLColor4& shadow_dark, const LLColor4& highlight_light )
{
mShadowDark = shadow_dark;
mHighlightLight = highlight_light;
}
void LLViewBorder::setColorsExtended( const LLColor4& shadow_light, const LLColor4& shadow_dark,
const LLColor4& highlight_light, const LLColor4& highlight_dark )
{
mShadowDark = shadow_dark;
mShadowLight = shadow_light;
mHighlightLight = highlight_light;
mHighlightDark = highlight_dark;
}
void LLViewBorder::setTexture( const LLUUID &image_id )
{
mTexture = LLUI::getUIImageByID(image_id);
}
void LLViewBorder::draw()
{
if( STYLE_LINE == mStyle )
{
if( 0 == mBorderWidth )
{
// no visible border
}
else
if( 1 == mBorderWidth )
{
drawOnePixelLines();
}
else
if( 2 == mBorderWidth )
{
drawTwoPixelLines();
}
else
{
llassert( false ); // not implemented
}
}
LLView::draw();
}
void LLViewBorder::drawOnePixelLines()
{
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
LLColor4 top_color = mHighlightLight.get();
LLColor4 bottom_color = mHighlightLight.get();
switch( mBevel )
{
case BEVEL_OUT:
top_color = mHighlightLight.get();
bottom_color = mShadowDark.get();
break;
case BEVEL_IN:
top_color = mShadowDark.get();
bottom_color = mHighlightLight.get();
break;
case BEVEL_NONE:
// use defaults
break;
default:
llassert(0);
}
if( mHasKeyboardFocus )
{
top_color = gFocusMgr.getFocusColor();
bottom_color = top_color;
LLUI::setLineWidth(lerp(1.f, 3.f, gFocusMgr.getFocusFlashAmt()));
}
S32 left = 0;
S32 top = getRect().getHeight();
S32 right = getRect().getWidth();
S32 bottom = 0;
gGL.color4fv( top_color.mV );
gl_line_2d(left, bottom, left, top);
gl_line_2d(left, top, right, top);
gGL.color4fv( bottom_color.mV );
gl_line_2d(right, top, right, bottom);
gl_line_2d(left, bottom, right, bottom);
LLUI::setLineWidth(1.f);
}
void LLViewBorder::drawTwoPixelLines()
{
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
LLColor4 focus_color = gFocusMgr.getFocusColor();
LLColor4 top_in_color;
LLColor4 top_out_color;
LLColor4 bottom_in_color;
LLColor4 bottom_out_color;
switch( mBevel )
{
case BEVEL_OUT:
top_in_color = mHighlightLight.get();
top_out_color = mHighlightDark.get();
bottom_in_color = mShadowLight.get();
bottom_out_color = mShadowDark.get();
break;
case BEVEL_IN:
top_in_color = mShadowDark.get();
top_out_color = mShadowLight.get();
bottom_in_color = mHighlightDark.get();
bottom_out_color = mHighlightLight.get();
break;
case BEVEL_BRIGHT:
top_in_color = mHighlightLight.get();
top_out_color = mHighlightLight.get();
bottom_in_color = mHighlightLight.get();
bottom_out_color = mHighlightLight.get();
break;
case BEVEL_NONE:
top_in_color = mShadowDark.get();
top_out_color = mShadowDark.get();
bottom_in_color = mShadowDark.get();
bottom_out_color = mShadowDark.get();
// use defaults
break;
default:
llassert(0);
}
if( mHasKeyboardFocus )
{
top_out_color = focus_color;
bottom_out_color = focus_color;
}
S32 left = 0;
S32 top = getRect().getHeight();
S32 right = getRect().getWidth();
S32 bottom = 0;
// draw borders
gGL.color3fv( top_out_color.mV );
gl_line_2d(left, bottom, left, top-1);
gl_line_2d(left, top-1, right, top-1);
gGL.color3fv( top_in_color.mV );
gl_line_2d(left+1, bottom+1, left+1, top-2);
gl_line_2d(left+1, top-2, right-1, top-2);
gGL.color3fv( bottom_out_color.mV );
gl_line_2d(right-1, top-1, right-1, bottom);
gl_line_2d(left, bottom, right, bottom);
gGL.color3fv( bottom_in_color.mV );
gl_line_2d(right-2, top-2, right-2, bottom+1);
gl_line_2d(left+1, bottom+1, right-1, bottom+1);
}
bool LLViewBorder::getBevelFromAttribute(LLXMLNodePtr node, LLViewBorder::EBevel& bevel_style)
{
if (node->hasAttribute("bevel_style"))
{
std::string bevel_string;
node->getAttributeString("bevel_style", bevel_string);
LLStringUtil::toLower(bevel_string);
if (bevel_string == "none")
{
bevel_style = LLViewBorder::BEVEL_NONE;
}
else if (bevel_string == "in")
{
bevel_style = LLViewBorder::BEVEL_IN;
}
else if (bevel_string == "out")
{
bevel_style = LLViewBorder::BEVEL_OUT;
}
else if (bevel_string == "bright")
{
bevel_style = LLViewBorder::BEVEL_BRIGHT;
}
return true;
}
return false;
}
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