llhudtext.h
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- /**
- * @file llhudtext.h
- * @brief LLHUDText class definition
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, 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.
- * $/LicenseInfo$
- */
- #ifndef LL_LLHUDTEXT_H
- #define LL_LLHUDTEXT_H
- #include "llpointer.h"
- #include "lldarrayptr.h"
- #include "llhudobject.h"
- #include "v4color.h"
- #include "v4coloru.h"
- #include "v2math.h"
- #include "llrect.h"
- #include "llframetimer.h"
- #include "llfontgl.h"
- #include <set>
- #include <vector>
- #include "lldarray.h"
- // Renders a 2D text billboard floating at the location specified.
- class LLDrawable;
- class LLHUDText;
- struct lltextobject_further_away
- {
- bool operator()(const LLPointer<LLHUDText>& lhs, const LLPointer<LLHUDText>& rhs) const;
- };
- class LLHUDText : public LLHUDObject
- {
- protected:
- class LLHUDTextSegment
- {
- public:
- LLHUDTextSegment(const LLWString& text, const LLFontGL::StyleFlags style, const LLColor4& color)
- : mColor(color), mStyle(style), mText(text) {}
- F32 getWidth(const LLFontGL* font);
- const LLWString& getText() const { return mText; };
- void clearFontWidthMap() { mFontWidthMap.clear(); }
-
- LLColor4 mColor;
- LLFontGL::StyleFlags mStyle;
- private:
- LLWString mText;
- std::map<const LLFontGL*, F32> mFontWidthMap;
- };
- public:
- typedef enum e_text_alignment
- {
- ALIGN_TEXT_LEFT,
- ALIGN_TEXT_CENTER
- } ETextAlignment;
- typedef enum e_vert_alignment
- {
- ALIGN_VERT_TOP,
- ALIGN_VERT_CENTER
- } EVertAlignment;
- public:
- void setStringUTF8(const std::string &utf8string);
- void setString(const LLWString &wstring);
- void clearString();
- void addLine(const std::string &text, const LLColor4& color, const LLFontGL::StyleFlags style = LLFontGL::NORMAL);
- void addLine(const LLWString &wtext, const LLColor4& color, const LLFontGL::StyleFlags style = LLFontGL::NORMAL);
- void setLabel(const std::string &label);
- void setLabel(const LLWString &label);
- void setDropShadow(const BOOL do_shadow);
- void setFont(const LLFontGL* font);
- void setColor(const LLColor4 &color);
- void setUsePixelSize(const BOOL use_pixel_size);
- void setZCompare(const BOOL zcompare);
- void setDoFade(const BOOL do_fade);
- void setVisibleOffScreen(BOOL visible) { mVisibleOffScreen = visible; }
-
- // mMaxLines of -1 means unlimited lines.
- void setMaxLines(S32 max_lines) { mMaxLines = max_lines; }
- void setFadeDistance(F32 fade_distance, F32 fade_range) { mFadeDistance = fade_distance; mFadeRange = fade_range; }
- void updateVisibility();
- LLVector2 updateScreenPos(LLVector2 &offset_target);
- void updateSize();
- void setMass(F32 mass) { mMass = llmax(0.1f, mass); }
- void setTextAlignment(ETextAlignment alignment) { mTextAlignment = alignment; }
- void setVertAlignment(EVertAlignment alignment) { mVertAlignment = alignment; }
- /*virtual*/ void markDead();
- friend class LLHUDObject;
- /*virtual*/ F32 getDistance() const { return mLastDistance; }
- void setUseBubble(BOOL use_bubble) { mUseBubble = use_bubble; }
- S32 getLOD() { return mLOD; }
- BOOL getVisible() { return mVisible; }
- BOOL getHidden() const { return mHidden; }
- void setHidden( BOOL hide ) { mHidden = hide; }
- void setOnHUDAttachment(BOOL on_hud) { mOnHUDAttachment = on_hud; }
- void shift(const LLVector3& offset);
- BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end, LLVector3& intersection, BOOL debug_render = FALSE);
- static void shiftAll(const LLVector3& offset);
- static void renderAllHUD();
- static void addPickable(std::set<LLViewerObject*> &pick_list);
- static void reshape();
- static void setDisplayText(BOOL flag) { sDisplayText = flag ; }
- protected:
- LLHUDText(const U8 type);
- /*virtual*/ void render();
- /*virtual*/ void renderForSelect();
- void renderText(BOOL for_select);
- static void updateAll();
- void setLOD(S32 lod);
- S32 getMaxLines();
- private:
- ~LLHUDText();
- BOOL mOnHUD;
- BOOL mUseBubble;
- BOOL mDropShadow;
- BOOL mDoFade;
- F32 mFadeRange;
- F32 mFadeDistance;
- F32 mLastDistance;
- BOOL mUsePixelSize;
- BOOL mZCompare;
- BOOL mVisibleOffScreen;
- BOOL mOffscreen;
- LLColor4 mColor;
- LLVector3 mScale;
- F32 mWidth;
- F32 mHeight;
- LLColor4U mPickColor;
- const LLFontGL* mFontp;
- const LLFontGL* mBoldFontp;
- LLRectf mSoftScreenRect;
- LLVector3 mPositionAgent;
- LLVector2 mPositionOffset;
- LLVector2 mTargetPositionOffset;
- F32 mMass;
- S32 mMaxLines;
- S32 mOffsetY;
- F32 mRadius;
- std::vector<LLHUDTextSegment> mTextSegments;
- std::vector<LLHUDTextSegment> mLabelSegments;
- LLFrameTimer mResizeTimer;
- ETextAlignment mTextAlignment;
- EVertAlignment mVertAlignment;
- S32 mLOD;
- BOOL mHidden;
- static BOOL sDisplayText ;
- static std::set<LLPointer<LLHUDText> > sTextObjects;
- static std::vector<LLPointer<LLHUDText> > sVisibleTextObjects;
- static std::vector<LLPointer<LLHUDText> > sVisibleHUDTextObjects;
- typedef std::set<LLPointer<LLHUDText> >::iterator TextObjectIterator;
- typedef std::vector<LLPointer<LLHUDText> >::iterator VisibleTextObjectIterator;
- };
- #endif // LL_LLHUDTEXT_H