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Diffstat (limited to 'indra/llrender/llfontgl.cpp')
-rw-r--r--indra/llrender/llfontgl.cpp87
1 files changed, 57 insertions, 30 deletions
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index b6a6b448ee..d9e1976341 100644
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -151,14 +151,16 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
}
}
- gGL.pushMatrix();
- glLoadIdentity();
- gGL.translatef(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY), sCurOrigin.mZ);
+ gGL.pushUIMatrix();
+
+ gGL.loadUIIdentity();
+
+ gGL.translateUI(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY), sCurOrigin.mZ);
// this code snaps the text origin to a pixel grid to start with
F32 pixel_offset_x = llround((F32)sCurOrigin.mX) - (sCurOrigin.mX);
F32 pixel_offset_y = llround((F32)sCurOrigin.mY) - (sCurOrigin.mY);
- gGL.translatef(-pixel_offset_x, -pixel_offset_y, 0.f);
+ gGL.translateUI(-pixel_offset_x, -pixel_offset_y, 0.f);
LLFastTimer t(FTM_RENDER_FONTS);
@@ -246,14 +248,18 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
}
- // Remember last-used texture to avoid unnecesssary bind calls.
- LLImageGL *last_bound_texture = NULL;
+ const LLFontGlyphInfo* next_glyph = NULL;
for (i = begin_offset; i < begin_offset + length; i++)
{
llwchar wch = wstr[i];
- const LLFontGlyphInfo* fgi= mFontFreetype->getGlyphInfo(wch);
+ const LLFontGlyphInfo* fgi = next_glyph;
+ next_glyph = NULL;
+ if(!fgi)
+ {
+ fgi = mFontFreetype->getGlyphInfo(wch);
+ }
if (!fgi)
{
llerrs << "Missing Glyph Info" << llendl;
@@ -261,12 +267,8 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
}
// Per-glyph bitmap texture.
LLImageGL *image_gl = mFontFreetype->getFontBitmapCache()->getImageGL(fgi->mBitmapNum);
- if (last_bound_texture != image_gl)
- {
- gGL.getTexUnit(0)->bind(image_gl);
- last_bound_texture = image_gl;
- }
-
+ gGL.getTexUnit(0)->bind(image_gl);
+
if ((start_x + scaled_max_pixels) < (cur_x + fgi->mXBearing + fgi->mWidth))
{
// Not enough room for this character.
@@ -295,7 +297,8 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
if (next_char && (next_char < LAST_CHARACTER))
{
// Kern this puppy.
- cur_x += mFontFreetype->getXKerning(wch, next_char);
+ next_glyph = mFontFreetype->getGlyphInfo(next_char);
+ cur_x += mFontFreetype->getXKerning(fgi, next_glyph);
}
// Round after kerning.
@@ -330,10 +333,7 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
// recursively render ellipses at end of string
// we've already reserved enough room
- gGL.pushMatrix();
- //glLoadIdentity();
- //gGL.translatef(sCurOrigin.mX, sCurOrigin.mY, 0.0f);
- //glScalef(sScaleX, sScaleY, 1.f);
+ gGL.pushUIMatrix();
renderUTF8(std::string("..."),
0,
cur_x / sScaleX, (F32)y,
@@ -344,10 +344,10 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
S32_MAX, max_pixels,
right_x,
FALSE);
- gGL.popMatrix();
+ gGL.popUIMatrix();
}
- gGL.popMatrix();
+ gGL.popUIMatrix();
return chars_drawn;
}
@@ -435,14 +435,21 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars, S32 begin_offset, S32 max_chars
F32 cur_x = 0;
const S32 max_index = begin_offset + max_chars;
+ const LLFontGlyphInfo* next_glyph = NULL;
+
F32 width_padding = 0.f;
for (S32 i = begin_offset; i < max_index && wchars[i] != 0; i++)
{
llwchar wch = wchars[i];
- const LLFontGlyphInfo* fgi= mFontFreetype->getGlyphInfo(wch);
+ const LLFontGlyphInfo* fgi = next_glyph;
+ next_glyph = NULL;
+ if(!fgi)
+ {
+ fgi = mFontFreetype->getGlyphInfo(wch);
+ }
- F32 advance = mFontFreetype->getXAdvance(wch);
+ 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
@@ -459,7 +466,8 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars, S32 begin_offset, S32 max_chars
&& (next_char < LAST_CHARACTER))
{
// Kern this puppy.
- cur_x += mFontFreetype->getXKerning(wch, next_char);
+ next_glyph = mFontFreetype->getGlyphInfo(next_char);
+ cur_x += mFontFreetype->getXKerning(fgi, next_glyph);
}
// Round after kerning.
cur_x = (F32)llround(cur_x);
@@ -492,6 +500,8 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch
// avoid S32 overflow when max_pixels == S32_MAX by staying in floating point
F32 scaled_max_pixels = ceil(max_pixels * sScaleX);
F32 width_padding = 0.f;
+
+ LLFontGlyphInfo* next_glyph = NULL;
S32 i;
for (i=0; (i < max_chars); i++)
@@ -534,8 +544,13 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch
in_word = TRUE;
}
}
-
- LLFontGlyphInfo* fgi = mFontFreetype->getGlyphInfo(wch);
+
+ LLFontGlyphInfo* fgi = next_glyph;
+ next_glyph = NULL;
+ if(!fgi)
+ {
+ fgi = mFontFreetype->getGlyphInfo(wch);
+ }
// account for glyphs that run beyond the starting point for the next glyphs
width_padding = llmax( 0.f, // always use positive padding amount
@@ -554,7 +569,8 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch
if (((i+1) < max_chars) && wchars[i+1])
{
// Kern this puppy.
- cur_x += mFontFreetype->getXKerning(wch, wchars[i+1]);
+ next_glyph = mFontFreetype->getGlyphInfo(wchars[i+1]);
+ cur_x += mFontFreetype->getXKerning(fgi, next_glyph);
}
// Round after kerning.
@@ -657,9 +673,11 @@ S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, S32 begin_offset, F32 t
target_x *= sScaleX;
// max_chars is S32_MAX by default, so make sure we don't get overflow
- const S32 max_index = begin_offset + llmin(S32_MAX - begin_offset, max_chars);
+ const S32 max_index = begin_offset + llmin(S32_MAX - begin_offset, max_chars - 1);
F32 scaled_max_pixels = max_pixels * sScaleX;
+
+ const LLFontGlyphInfo* next_glyph = NULL;
S32 pos;
for (pos = begin_offset; pos < max_index; pos++)
@@ -669,7 +687,15 @@ S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, S32 begin_offset, F32 t
{
break; // done
}
- F32 char_width = mFontFreetype->getXAdvance(wch);
+
+ const LLFontGlyphInfo* glyph = next_glyph;
+ next_glyph = NULL;
+ if(!glyph)
+ {
+ glyph = mFontFreetype->getGlyphInfo(wch);
+ }
+
+ F32 char_width = mFontFreetype->getXAdvance(glyph);
if (round)
{
@@ -695,11 +721,12 @@ S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, S32 begin_offset, F32 t
if (((pos + 1) < max_index)
&& (wchars[(pos + 1)]))
{
- llwchar next_char = wchars[pos + 1];
// Kern this puppy.
- cur_x += mFontFreetype->getXKerning(wch, next_char);
+ next_glyph = mFontFreetype->getGlyphInfo(wchars[pos + 1]);
+ cur_x += mFontFreetype->getXKerning(glyph, next_glyph);
}
+
// Round after kerning.
cur_x = llround(cur_x);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-03 20:33:11 +0000