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GAL: Use vector for stroke elements 

deque structures have higher overhead than vectors.  Not usually
problematic, but with hundreds of thousands of characters each with only
a few strokes, the overhead becomes dominant.

(cherry picked from commit 6084614371)
This commit is contained in:
Seth Hillbrand 2019-10-18 21:48:58 -07:00 committed by Seth Hillbrand
parent 1161562bc8
commit 50723d07a6
2 changed files with 10 additions and 13 deletions
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21
common/gal/stroke_font.cpp
View File

@ -60,7 +60,7 @@ bool STROKE_FONT::LoadNewStrokeFont( const char* const aNewStrokeFont[], int aNe
double glyphEndX = 0.0;
VECTOR2D glyphBoundingX;
std::deque<VECTOR2D>* pointList = nullptr;
std::vector<VECTOR2D>* pointList = nullptr;
int i = 0;
@ -105,7 +105,7 @@ bool STROKE_FONT::LoadNewStrokeFont( const char* const aNewStrokeFont[], int aNe
if( !pointList )
{
glyph.emplace_back( std::deque<VECTOR2D>() );
glyph.emplace_back( std::vector<VECTOR2D>() );
pointList = &glyph.back();
}
@ -140,17 +140,16 @@ BOX2D STROKE_FONT::computeBoundingBox( const GLYPH& aGLYPH, const VECTOR2D& aGLY
{
BOX2D boundingBox;
std::deque<VECTOR2D> boundingPoints;
std::vector<VECTOR2D> boundingPoints;
boundingPoints.emplace_back( VECTOR2D( aGLYPHBoundingX.x, 0 ) );
boundingPoints.emplace_back( VECTOR2D( aGLYPHBoundingX.y, 0 ) );
for( GLYPH::const_iterator pointListIt = aGLYPH.begin(); pointListIt != aGLYPH.end(); ++pointListIt )
for( const auto& pointList : aGLYPH )
{
for( std::deque<VECTOR2D>::const_iterator pointIt = pointListIt->begin();
pointIt != pointListIt->end(); ++pointIt )
for( const auto& pt : pointList )
{
boundingPoints.emplace_back( VECTOR2D( aGLYPHBoundingX.x, pointIt->y ) );
boundingPoints.emplace_back( aGLYPHBoundingX.x, pt.y );
}
}
@ -341,15 +340,13 @@ void STROKE_FONT::drawSingleLineText( const UTF8& aText )
last_had_overbar = false;
}
for( GLYPH::iterator pointListIt = glyph.begin(); pointListIt != glyph.end();
++pointListIt )
for( const auto& pointList : glyph )
{
std::deque<VECTOR2D> pointListScaled;
for( std::deque<VECTOR2D>::iterator pointIt = pointListIt->begin();
pointIt != pointListIt->end(); ++pointIt )
for( const auto& pt : pointList )
{
VECTOR2D pointPos( pointIt->x * glyphSize.x + xOffset, pointIt->y * glyphSize.y );
VECTOR2D pointPos( pt.x * glyphSize.x + xOffset, pt.y * glyphSize.y );
if( m_gal->IsFontItalic() )
{

2
include/gal/stroke_font.h
View File

@ -42,7 +42,7 @@ namespace KIGFX
{
class GAL;
typedef std::deque< std::deque<VECTOR2D> > GLYPH;
typedef std::vector<std::vector<VECTOR2D>> GLYPH;
typedef std::vector<GLYPH> GLYPH_LIST;
/**