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
|
/**
* @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 "llfontvertexbuffer.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;
LLFontVertexBuffer mFontBufferText;
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;
LLVector3 mLastRenderPosition;
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
|
