ofxAddons/ofxMsdfgen
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get individual glyphgeometry ... and namespace

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This commit is contained in:
jrkb 2023-03-26 21:18:33 +02:00
parent c3c58b422b
commit b2b0fafe76
2 changed files with 30 additions and 11 deletions
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39
src/Atlas.cpp
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@ -9,27 +9,28 @@
#include <cstdlib> #include <cstdlib>
#include <set> #include <set>
ofxMsdfgen::Atlas::Atlas(){ namespace ofxMsdfgen {
Atlas::Atlas(){
} }
ofxMsdfgen::Atlas::~Atlas(){ Atlas::~Atlas(){
} }
void ofxMsdfgen::Atlas::setup(string _fontPath){ void Atlas::setup(string _fontPath){
fontPath = _fontPath; fontPath = _fontPath;
if(generate()){ if(generate()){
ofLogNotice("ofxMsdfgen::Atlas::setup()") << "generated Atlas"; ofLogNotice("Atlas::setup()") << "generated Atlas";
}else{ }else{
ofLogError("ofxMsdfgen::Atlas::setup()") << "whoops, could not generate Atlas"; ofLogError("Atlas::setup()") << "whoops, could not generate Atlas";
} }
} }
void ofxMsdfgen::Atlas::setup(string _fontPath, void Atlas::setup(string _fontPath,
AtlasSettings _settings){ AtlasSettings _settings){
settings = _settings; settings = _settings;
setup(_fontPath); setup(_fontPath);
} }
bool ofxMsdfgen::Atlas::generate(){ bool Atlas::generate(){
bool success = false; bool success = false;
//{ //{
msdfgen::FreetypeHandle * ft = msdfgen::initializeFreetype(); msdfgen::FreetypeHandle * ft = msdfgen::initializeFreetype();
@ -110,7 +111,8 @@ bool ofxMsdfgen::Atlas::generate(){
// The atlas bitmap can now be retrieved via atlasStorage as a BitmapConstRef. // The atlas bitmap can now be retrieved via atlasStorage as a BitmapConstRef.
// The glyphs array (or fontGeometry) contains positioning data for typesetting text. // The glyphs array (or fontGeometry) contains positioning data for typesetting text.
msdfgen::Bitmap <float, 3> bitmap(generator.atlasStorage()); msdfgen::Bitmap <float, 3> bitmap(generator.atlasStorage());
ofxMsdfgen::toOfImage(bitmap, atlasImage); toOfImage(bitmap, atlasImage);
atlasImage.update();
std::vector <msdf_atlas::GlyphBox> layout = generator.getLayout(); std::vector <msdf_atlas::GlyphBox> layout = generator.getLayout();
int i = 0; int i = 0;
@ -129,10 +131,25 @@ bool ofxMsdfgen::Atlas::generate(){
return success; return success;
} }
const ofImage & ofxMsdfgen::Atlas::getAtlasImage(){ const ofImage & Atlas::getAtlasImage(){
return atlasImage; return atlasImage;
} }
const vector <ofxMsdfgen::GlyphGeometry> & ofxMsdfgen::Atlas::getGlyphGeometries(){ const vector <GlyphGeometry> & Atlas::getGlyphGeometries(){
return glyphGeometries; return glyphGeometries;
} }
const GlyphGeometry & Atlas::getGlyphGeometry(unsigned char character){
for(const GlyphGeometry & gg : glyphGeometries){
if(gg.getCodepoint() == static_cast <msdf_atlas::unicode_t>(character)){
return gg;
}
}
// not found!
ofLogError("Atlas::getGlyphGeometry")
<< "glyph(" << character << ") not found!" << endl
<< "returning first glyph. this is bad." << endl;
// FIXME: proper error handling
return glyphGeometries[0];
}
}

2
src/Atlas.h
View file

@ -5,6 +5,7 @@
#include <freetype2/freetype/freetype.h> #include <freetype2/freetype/freetype.h>
#include <msdf-atlas-gen/msdf-atlas-gen.h> #include <msdf-atlas-gen/msdf-atlas-gen.h>
#include <msdf-atlas-gen/types.h> #include <msdf-atlas-gen/types.h>
#include <unordered_map>
#include "conversion.h" #include "conversion.h"
namespace ofxMsdfgen { namespace ofxMsdfgen {
@ -30,6 +31,7 @@ class Atlas {
bool generate(); bool generate();
const ofImage & getAtlasImage(); const ofImage & getAtlasImage();
const vector <GlyphGeometry> & getGlyphGeometries(); const vector <GlyphGeometry> & getGlyphGeometries();
const GlyphGeometry & getGlyphGeometry(unsigned char character);
AtlasSettings settings; AtlasSettings settings;
private: private:
string fontPath; string fontPath;