FGFS-4.1/OpenSceneGraph
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Added --margin texel_width and --margin-ration ratio to control the spacing between glyphs in the font.

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This commit is contained in:
Robert Osfield 2017-08-30 10:50:26 +01:00
parent 20ecd5c60d
commit 7323bb776b
1 changed files with 13 additions and 0 deletions
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13
examples/osgfont/osgfont.cpp
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@ -64,6 +64,8 @@ struct TextSettings
{ {
TextSettings(): TextSettings():
fontFilename("fonts/arial.ttf"), fontFilename("fonts/arial.ttf"),
glyphImageMargin(1),
glyphImageMarginRatio(0.02),
textColor(1.0f, 1.0f, 1.0f, 1.0f), textColor(1.0f, 1.0f, 1.0f, 1.0f),
backdropType(osgText::Text::NONE), backdropType(osgText::Text::NONE),
backdropOffset(0.04f, 0.04f), backdropOffset(0.04f, 0.04f),
@ -90,6 +92,11 @@ struct TextSettings
if (arguments.read("--font",fontFilename)) {} if (arguments.read("--font",fontFilename)) {}
if (arguments.read("--margin", glyphImageMargin)) {}
if (arguments.read("--margin-ratio", glyphImageMarginRatio)) {}
if (arguments.read("--outline")) backdropType = osgText::Text::OUTLINE; if (arguments.read("--outline")) backdropType = osgText::Text::OUTLINE;
if (arguments.read("--shadow")) backdropType = osgText::Text::DROP_SHADOW_BOTTOM_RIGHT; if (arguments.read("--shadow")) backdropType = osgText::Text::DROP_SHADOW_BOTTOM_RIGHT;
@ -113,6 +120,9 @@ struct TextSettings
} }
std::string fontFilename; std::string fontFilename;
unsigned int glyphImageMargin;
float glyphImageMarginRatio;
osg::Vec4 textColor; osg::Vec4 textColor;
osgText::Text::BackdropType backdropType; osgText::Text::BackdropType backdropType;
osg::Vec2 backdropOffset; osg::Vec2 backdropOffset;
@ -128,6 +138,9 @@ osgText::Text* createLabel(const std::string& l, TextSettings& settings, unsigne
osgText::Text* label = new osgText::Text(); osgText::Text* label = new osgText::Text();
osg::ref_ptr<osgText::Font> font = osgText::readRefFontFile(settings.fontFilename); osg::ref_ptr<osgText::Font> font = osgText::readRefFontFile(settings.fontFilename);
font->setGlyphImageMargin(settings.glyphImageMargin);
font->setGlyphImageMarginRatio(settings.glyphImageMarginRatio);
settings.setText(*label); settings.setText(*label);
label->setCharacterSize(size); label->setCharacterSize(size);