1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/**
* @file llhudtext.h
* @brief LLHUDText class definition
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2007, 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://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.
* $/LicenseInfo$
*/
#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; }
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
|
