/** * @file lluiimage.cpp * @brief UI implementation * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ // 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); } }