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Diffstat (limited to 'indra/llui/lluiimage.cpp')
| -rw-r--r-- | indra/llui/lluiimage.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/indra/llui/lluiimage.cpp b/indra/llui/lluiimage.cpp new file mode 100644 index 0000000000..8e0de0cb0c --- /dev/null +++ b/indra/llui/lluiimage.cpp @@ -0,0 +1,166 @@ +/** + * @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); + } +} |