/indra/newview/llhudtext.h
C Header | 173 lines | 121 code | 20 blank | 32 comment | 0 complexity | dc799c2070898487f71c310356871369 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llhudtext.h
- * @brief LLHUDText class definition
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * 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
- * $/LicenseInfo$
- */
- #ifndef LL_LLHUDTEXT_H
- #define LL_LLHUDTEXT_H
- #include "llpointer.h"
- #include "llhudobject.h"
- #include "v4color.h"
- #include "v4coloru.h"
- #include "v2math.h"
- #include "llrect.h"
- #include "llfontgl.h"
- #include <set>
- #include <vector>
- // 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, const LLFontGL* font)
- : mColor(color),
- mStyle(style),
- mText(text),
- mFont(font)
- {}
- F32 getWidth(const LLFontGL* font);
- const LLWString& getText() const { return mText; }
- void clearFontWidthMap() { mFontWidthMap.clear(); }
-
- LLColor4 mColor;
- LLFontGL::StyleFlags mStyle;
- const LLFontGL* mFont;
- 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:
- // Set entire string, eliminating existing lines
- void setString(const std::string& text_utf8);
- void clearString();
- // Add text a line at a time, allowing custom formatting
- void addLine(const std::string &text_utf8, const LLColor4& color, const LLFontGL::StyleFlags style = LLFontGL::NORMAL, const LLFontGL* font = NULL);
- // Sets the default font for lines with no font specified
- void setFont(const LLFontGL* font);
- void setColor(const LLColor4 &color);
- void setAlpha(F32 alpha);
- 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; }
- 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);
- static void shiftAll(const LLVector3& offset);
- static void renderAllHUD();
- static void reshape();
- static void setDisplayText(BOOL flag) { sDisplayText = flag ; }
- protected:
- LLHUDText(const U8 type);
- /*virtual*/ void render();
- void renderText();
- static void updateAll();
- S32 getMaxLines();
- private:
- ~LLHUDText();
- BOOL mOnHUDAttachment;
- BOOL mDoFade;
- F32 mFadeRange;
- F32 mFadeDistance;
- F32 mLastDistance;
- 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;
- ETextAlignment mTextAlignment;
- EVertAlignment mVertAlignment;
- 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