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Textrender: count glyphs and chars separately

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This commit is contained in:
TsFreddie 2020-09-03 23:53:26 +01:00
parent 9edb3706dd
commit f71c36285f
2 changed files with 28 additions and 14 deletions
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41
src/engine/client/text.cpp
View file

@ -147,6 +147,7 @@ struct STextContainer
int m_Flags;
int m_LineCount;
int m_GlyphCount;
int m_CharCount;
int m_MaxLines;
@ -167,7 +168,7 @@ struct STextContainer
m_StringInfo.m_CharacterQuads.clear();
m_AlignedStartX = m_AlignedStartY = m_X = m_Y = 0.f;
m_Flags = m_LineCount = m_CharCount = 0;
m_Flags = m_LineCount = m_CharCount = m_GlyphCount = 0;
m_MaxLines = -1;
m_StartX = m_StartY = 0.f;
m_LineWidth = -1.f;
@ -237,15 +238,15 @@ class CTextRender : public IEngineTextRender
int WordLength(const char *pText)
{
int s = 1;
int Length = 0;
while(1)
{
if(*pText == 0)
return s-1;
if(*pText == '\n' || *pText == '\t' || *pText == ' ')
return s;
pText++;
s++;
const char *pCursor = (pText + Length);
if(*pCursor == 0)
return Length;
if(*pCursor == '\n' || *pCursor == '\t' || *pCursor == ' ')
return Length+1;
Length = str_utf8_forward(pText, Length);
}
}
@ -777,6 +778,7 @@ public:
pCursor->m_LineCount = 1;
pCursor->m_LineWidth = -1;
pCursor->m_Flags = Flags;
pCursor->m_GlyphCount = 0;
pCursor->m_CharCount = 0;
}
@ -938,6 +940,7 @@ public:
{
// word can't be fitted in one line, cut it
CTextCursor Cutter = *pCursor;
Cutter.m_GlyphCount = 0;
Cutter.m_CharCount = 0;
Cutter.m_X = DrawX;
Cutter.m_Y = DrawY;
@ -945,10 +948,11 @@ public:
Cutter.m_Flags |= TEXTFLAG_STOP_AT_END;
TextEx(&Cutter, pCurrent, Wlen);
int WordGlyphs = Cutter.m_GlyphCount;
Wlen = Cutter.m_CharCount;
NewLine = 1;
if(Wlen <= 3) // if we can't place 3 chars of the word on this line, take the next
if(WordGlyphs <= 3) // if we can't place 3 chars of the word on this line, take the next
Wlen = 0;
}
else if(Compare.m_X-pCursor->m_StartX > pCursor->m_LineWidth)
@ -964,6 +968,7 @@ public:
int NextCharacter = str_utf8_decode(&pTmp);
while(pCurrent < pBatchEnd)
{
pCursor->m_CharCount += pTmp-pCurrent;
int Character = NextCharacter;
pCurrent = pTmp;
NextCharacter = str_utf8_decode(&pTmp);
@ -1032,7 +1037,7 @@ public:
DrawX += BearingX + CharKerning + CharWidth;
else
DrawX += Advance*Size + CharKerning;
pCursor->m_CharCount++;
pCursor->m_GlyphCount++;
++CharacterCounter;
}
@ -1152,6 +1157,7 @@ public:
}
TextContainer.m_LineCount = pCursor->m_LineCount;
TextContainer.m_GlyphCount = pCursor->m_GlyphCount;
TextContainer.m_CharCount = pCursor->m_CharCount;
TextContainer.m_MaxLines = pCursor->m_MaxLines;
TextContainer.m_StartX = pCursor->m_StartX;
@ -1243,6 +1249,7 @@ public:
{
// word can't be fitted in one line, cut it
CTextCursor Cutter = *pCursor;
Cutter.m_GlyphCount = 0;
Cutter.m_CharCount = 0;
Cutter.m_X = DrawX;
Cutter.m_Y = DrawY;
@ -1250,10 +1257,11 @@ public:
Cutter.m_Flags |= TEXTFLAG_STOP_AT_END;
TextEx(&Cutter, pCurrent, Wlen);
int WordGlyphs = Cutter.m_GlyphCount;
Wlen = Cutter.m_CharCount;
NewLine = 1;
if(Wlen <= 3) // if we can't place 3 chars of the word on this line, take the next
if(WordGlyphs <= 3) // if we can't place 3 chars of the word on this line, take the next
Wlen = 0;
}
else if(Compare.m_X - pCursor->m_StartX > pCursor->m_LineWidth)
@ -1269,6 +1277,7 @@ public:
int NextCharacter = str_utf8_decode(&pTmp);
while(pCurrent < pBatchEnd)
{
TextContainer.m_CharCount += pTmp-pCurrent;
int Character = NextCharacter;
pCurrent = pTmp;
NextCharacter = str_utf8_decode(&pTmp);
@ -1369,7 +1378,7 @@ public:
DrawX += BearingX + CharKerning + CharWidth;
else
DrawX += Advance * Size + CharKerning;
pCursor->m_CharCount++;
pCursor->m_GlyphCount++;
++CharacterCounter;
}
}
@ -1505,6 +1514,7 @@ public:
CTextCursor FakeCursor;
SetCursor(&FakeCursor, DrawX, DrawY, TextContainer.m_UnscaledFontSize, TextContainer.m_Flags);
FakeCursor.m_LineCount = TextContainer.m_LineCount;
FakeCursor.m_GlyphCount = TextContainer.m_GlyphCount;
FakeCursor.m_CharCount = TextContainer.m_CharCount;
FakeCursor.m_MaxLines = TextContainer.m_MaxLines;
FakeCursor.m_StartX = TextContainer.m_StartX;
@ -1524,6 +1534,7 @@ public:
{
// word can't be fitted in one line, cut it
CTextCursor Cutter = FakeCursor;
Cutter.m_GlyphCount = 0;
Cutter.m_CharCount = 0;
Cutter.m_X = DrawX;
Cutter.m_Y = DrawY;
@ -1531,10 +1542,11 @@ public:
Cutter.m_Flags |= TEXTFLAG_STOP_AT_END;
TextEx(&Cutter, pCurrent, Wlen);
int WordGlyphs = Cutter.m_GlyphCount;
Wlen = Cutter.m_CharCount;
NewLine = 1;
if(Wlen <= 3) // if we can't place 3 chars of the word on this line, take the next
if(WordGlyphs <= 3) // if we can't place 3 chars of the word on this line, take the next
Wlen = 0;
}
else if(Compare.m_X - TextContainer.m_StartX > TextContainer.m_LineWidth)
@ -1551,6 +1563,7 @@ public:
int NextCharacter = str_utf8_decode(&pTmp);
while(pCurrent < pBatchEnd)
{
TextContainer.m_CharCount += pTmp-pCurrent;
int Character = NextCharacter;
pCurrent = pTmp;
NextCharacter = str_utf8_decode(&pTmp);
@ -1611,7 +1624,7 @@ public:
else
DrawX += Advance * Size + CharKerning;
TextContainer.m_CharCount++;
TextContainer.m_GlyphCount++;
++CharacterCounter;
}
pCurrentLast = pCurrent;

1
src/engine/textrender.h
View file

@ -39,6 +39,7 @@ class CTextCursor
public:
int m_Flags;
int m_LineCount;
int m_GlyphCount;
int m_CharCount;
int m_MaxLines;