Second Life viewer sources 1.13.2.12

1 files changed, 174 insertions, 0 deletions

diff --git a/linden/indra/newview/llhudtext.h b/linden/indra/newview/llhudtext.h
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+/** 
+ * @file llhudtext.h
+ * @brief LLHUDText class definition
+ *
+ * Copyright (c) 2002-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+#ifndef LL_LLHUDTEXT_H
+#define LL_LLHUDTEXT_H
+
+#include "llmemory.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; }
+        void setOnHUDAttachment(BOOL on_hud) { mOnHUDAttachment = on_hud; }
+
+        static void renderAllHUD();
+        static void addPickable(std::set<LLViewerObject*> &pick_list);
+        static void reshape();
+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;
+
+        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