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authorAlexander Gavriliuk <alexandrgproductengine@lindenlab.com>2023-03-24 21:10:12 +0100
committerGuru <alexandrgproductengine@lindenlab.com>2023-03-24 22:17:36 +0100
commitd1b414e48b4faa8f0b6b68fc6cb16701137478fd (patch)
tree1bd74f06257230d315549c59b25e19064ba59734 /indra/llrender
parent275ad3fdabf8417376e01a4a994d4a78dba6f15f (diff)
SL-17045 LSL editor cursor position desynchronization
Diffstat (limited to 'indra/llrender')
-rw-r--r--indra/llrender/llfontgl.cpp24
-rw-r--r--indra/llrender/llfontgl.h2
2 files changed, 16 insertions, 10 deletions
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index 1bf061bc8d..6f4f2ec62c 100644
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -494,7 +494,7 @@ F32 LLFontGL::getWidthF32(const std::string& utf8text, S32 begin_offset, S32 max
return getWidthF32(wtext.c_str(), begin_offset, max_chars);
}
-F32 LLFontGL::getWidthF32(const llwchar* wchars, S32 begin_offset, S32 max_chars) const
+F32 LLFontGL::getWidthF32(const llwchar* wchars, S32 begin_offset, S32 max_chars, bool no_padding) const
{
const S32 LAST_CHARACTER = LLFontFreetype::LAST_CHAR_FULL;
@@ -517,12 +517,15 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars, S32 begin_offset, S32 max_chars
F32 advance = mFontFreetype->getXAdvance(fgi);
- // for the last character we want to measure the greater of its width and xadvance values
- // so keep track of the difference between these values for the each character we measure
- // so we can fix things up at the end
- width_padding = llmax( 0.f, // always use positive padding amount
- width_padding - advance, // previous padding left over after advance of current character
- (F32)(fgi->mWidth + fgi->mXBearing) - advance); // difference between width of this character and advance to next character
+ if (!no_padding)
+ {
+ // for the last character we want to measure the greater of its width and xadvance values
+ // so keep track of the difference between these values for the each character we measure
+ // so we can fix things up at the end
+ width_padding = llmax(0.f, // always use positive padding amount
+ width_padding - advance, // previous padding left over after advance of current character
+ (F32)(fgi->mWidth + fgi->mXBearing) - advance); // difference between width of this character and advance to next character
+ }
cur_x += advance;
llwchar next_char = wchars[i+1];
@@ -539,8 +542,11 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars, S32 begin_offset, S32 max_chars
cur_x = (F32)ll_round(cur_x);
}
- // add in extra pixels for last character's width past its xadvance
- cur_x += width_padding;
+ if (!no_padding)
+ {
+ // add in extra pixels for last character's width past its xadvance
+ cur_x += width_padding;
+ }
return cur_x / sScaleX;
}
diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h
index 3b58a37d33..93c6b78ce8 100644
--- a/indra/llrender/llfontgl.h
+++ b/indra/llrender/llfontgl.h
@@ -138,7 +138,7 @@ public:
F32 getWidthF32(const std::string& utf8text) const;
F32 getWidthF32(const llwchar* wchars) const;
F32 getWidthF32(const std::string& text, S32 offset, S32 max_chars ) const;
- F32 getWidthF32(const llwchar* wchars, S32 offset, S32 max_chars) const;
+ F32 getWidthF32(const llwchar* wchars, S32 offset, S32 max_chars, bool no_padding = false) const;
// The following are called often, frequently with large buffers, so do not use a string interface