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Diffstat (limited to 'indra/llui/lluiimage.h')
| -rw-r--r-- | indra/llui/lluiimage.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/indra/llui/lluiimage.h b/indra/llui/lluiimage.h new file mode 100644 index 0000000000..e35026cd3d --- /dev/null +++ b/indra/llui/lluiimage.h @@ -0,0 +1,114 @@ +/** + * @file lluiimage.h + * @brief wrapper for images used in the UI that handles smart scaling, etc. + * + * $LicenseInfo:firstyear=2007&license=viewergpl$ + * + * 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. + * $/LicenseInfo$ + */ + +#ifndef LL_LLUIIMAGE_H +#define LL_LLUIIMAGE_H + +//#include "llgl.h" +#include "llimagegl.h" +#include "llrefcount.h" +#include "llrect.h" +#include <boost/function.hpp> +#include "llinitparam.h" + +extern const LLColor4 UI_VERTEX_COLOR; + +class LLUIImage : public LLRefCount +{ +public: + LLUIImage(const std::string& name, LLPointer<LLImageGL> image); + virtual ~LLUIImage(); + + void setClipRegion(const LLRectf& region); + void setScaleRegion(const LLRectf& region); + + LLPointer<LLImageGL> getImage() { return mImage; } + const LLPointer<LLImageGL>& getImage() const { return mImage; } + + void draw(S32 x, S32 y, S32 width, S32 height, const LLColor4& color = UI_VERTEX_COLOR) const; + void draw(S32 x, S32 y, const LLColor4& color = UI_VERTEX_COLOR) const; + void draw(const LLRect& rect, const LLColor4& color = UI_VERTEX_COLOR) const { draw(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color); } + + void drawSolid(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const; + void drawSolid(const LLRect& rect, const LLColor4& color) const { drawSolid(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color); } + void drawSolid(S32 x, S32 y, const LLColor4& color) const { drawSolid(x, y, mImage->getWidth(0), mImage->getHeight(0), color); } + + void drawBorder(S32 x, S32 y, S32 width, S32 height, const LLColor4& color, S32 border_width) const; + void drawBorder(const LLRect& rect, const LLColor4& color, S32 border_width) const { drawBorder(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color, border_width); } + void drawBorder(S32 x, S32 y, const LLColor4& color, S32 border_width) const { drawBorder(x, y, mImage->getWidth(0), mImage->getHeight(0), color, border_width); } + + const std::string& getName() const { return mName; } + + virtual S32 getWidth() const; + virtual S32 getHeight() const; + + // returns dimensions of underlying textures, which might not be equal to ui image portion + S32 getTextureWidth() const; + S32 getTextureHeight() const; + +protected: + std::string mName; + LLRectf mScaleRegion; + LLRectf mClipRegion; + LLPointer<LLImageGL> mImage; + BOOL mUniformScaling; + BOOL mNoClip; +}; + +namespace LLInitParam +{ + template<> + class TypedParam<LLUIImage*, TypeValues<LLUIImage*>, false> + : public BlockValue<LLUIImage*> + { + typedef boost::add_reference<boost::add_const<LLUIImage*>::type>::type T_const_ref; + typedef BlockValue<LLUIImage*> super_t; + public: + Optional<std::string> name; + + TypedParam(BlockDescriptor& descriptor, const char* name, super_t::value_assignment_t value, ParamDescriptor::validation_func_t func) + : super_t(descriptor, name, value, func) + { + } + + LLUIImage* getValueFromBlock() const; + }; + + // Need custom comparison function for our test app, which only loads + // LLUIImage* as NULL. + template<> + bool ParamCompare<LLUIImage*>::equals( + LLUIImage* const &a, LLUIImage* const &b); +} + +typedef LLPointer<LLUIImage> LLUIImagePtr; +#endif |