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/**
* @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
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