lluiimage.cpp
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- /**
- * @file lluiimage.cpp
- * @brief UI implementation
- *
- * $LicenseInfo:firstyear=2007&license=viewergpl$
- *
- * Copyright (c) 2007-2010, 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.
- * $/LicenseInfo$
- */
- // 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<LLTexture> 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),
- mImageLoaded(NULL)
- {
- }
- LLUIImage::~LLUIImage()
- {
- delete mImageLoaded;
- }
- 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_scaled_image(x, y, getWidth(), getHeight(), 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);
- }
- boost::signals2::connection LLUIImage::addLoadedCallback( const image_loaded_signal_t::slot_type& cb )
- {
- if (!mImageLoaded)
- {
- mImageLoaded = new image_loaded_signal_t();
- }
- return mImageLoaded->connect(cb);
- }
- void LLUIImage::onImageLoaded()
- {
- if (mImageLoaded)
- {
- (*mImageLoaded)();
- }
- }
- namespace LLInitParam
- {
- void TypedParam<LLUIImage*>::setValueFromBlock() const
- {
- // The keyword "none" is specifically requesting a null image
- // do not default to current value. Used to overwrite template images.
- if (name() == "none")
- {
- mData.mValue = NULL;
- return;
- }
- LLUIImage* imagep = LLUI::getUIImage(name());
- if (imagep)
- {
- mData.mValue = imagep;
- }
- }
-
- void TypedParam<LLUIImage*>::setBlockFromValue()
- {
- if (mData.mValue == NULL)
- {
- name.set("none", false);
- }
- else
- {
- name.set(mData.mValue->getName(), false);
- }
- }
-
- bool ParamCompare<LLUIImage*, false>::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);
- }
- }