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/**
* @file lluiimage.cpp
* @brief UI implementation
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007-2009, 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.
* $/LicenseInfo$
*/
// Utilities functions the user interface needs
//#include "llviewerprecompiledheaders.h"
#include "linden_common.h"
// Project includes
#include "lluiimage.h"
#include "llui.h"
LLUIImage::LLUIImage(const std::string& name, LLPointer<LLImageGL> image) :
mName(name),
mImage(image),
mScaleRegion(0.f, 1.f, 1.f, 0.f),
mClipRegion(0.f, 1.f, 1.f, 0.f),
mUniformScaling(TRUE),
mNoClip(TRUE)
{
}
LLUIImage::~LLUIImage()
{
}
void LLUIImage::setClipRegion(const LLRectf& region)
{
mClipRegion = region;
mNoClip = mClipRegion.mLeft == 0.f
&& mClipRegion.mRight == 1.f
&& mClipRegion.mBottom == 0.f
&& mClipRegion.mTop == 1.f;
}
void LLUIImage::setScaleRegion(const LLRectf& region)
{
mScaleRegion = region;
mUniformScaling = mScaleRegion.mLeft == 0.f
&& mScaleRegion.mRight == 1.f
&& mScaleRegion.mBottom == 0.f
&& mScaleRegion.mTop == 1.f;
}
//TODO: move drawing implementation inside class
void LLUIImage::draw(S32 x, S32 y, const LLColor4& color) const
{
gl_draw_image(x, y, mImage, color, mClipRegion);
}
void LLUIImage::draw(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const
{
if (mUniformScaling)
{
gl_draw_scaled_image(x, y, width, height, mImage, color, mClipRegion);
}
else
{
gl_draw_scaled_image_with_border(
x, y,
width, height,
mImage,
color,
FALSE,
mClipRegion,
mScaleRegion);
}
}
void LLUIImage::drawSolid(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const
{
gl_draw_scaled_image_with_border(
x, y,
width, height,
mImage,
color,
TRUE,
mClipRegion,
mScaleRegion);
}
void LLUIImage::drawBorder(S32 x, S32 y, S32 width, S32 height, const LLColor4& color, S32 border_width) const
{
LLRect border_rect;
border_rect.setOriginAndSize(x, y, width, height);
border_rect.stretch(border_width, border_width);
drawSolid(border_rect, color);
}
S32 LLUIImage::getWidth() const
{
// return clipped dimensions of actual image area
return llround((F32)mImage->getWidth(0) * mClipRegion.getWidth());
}
S32 LLUIImage::getHeight() const
{
// return clipped dimensions of actual image area
return llround((F32)mImage->getHeight(0) * mClipRegion.getHeight());
}
S32 LLUIImage::getTextureWidth() const
{
return mImage->getWidth(0);
}
S32 LLUIImage::getTextureHeight() const
{
return mImage->getHeight(0);
}
namespace LLInitParam
{
LLUIImage* TypedParam<LLUIImage*>::getValueFromBlock() const
{
LLUIImage* imagep = LLUI::getUIImage(name());
if (!imagep)
{
// default to current value
imagep = mData.mValue;
}
return imagep;
}
template<>
bool ParamCompare<LLUIImage*>::equals(
LLUIImage* const &a,
LLUIImage* const &b)
{
// force all LLUIImages for XML UI export to be "non-default"
if (!a && !b)
return false;
else
return (a == b);
}
}
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