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draw Layer letters on xy-baseline (no kerning)

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This commit is contained in:
jrkb 2023-03-27 20:17:47 +02:00
parent 9e8ddb6558
commit 7c7485e2f0
3 changed files with 58 additions and 10 deletions
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60
src/Layer.cpp
View file

@ -39,8 +39,15 @@ void MsdfLayer::draw(glm::vec3 position) const {
shader->end();
ofPushMatrix();
atlas->getAtlasImage().draw(0, 0);
ofTranslate(position);
ofPushStyle();
ofSetColor(ofColor::pink);
ofDrawLine(glm::vec2(0, 0), glm::vec2(ofGetWidth(), 0));
ofPopStyle();
//atlas->getAtlasImage().draw(0, 0);
//cout << "drawing letters (" << ofToString(propsBuffer.size()) << ")" << endl;
char previous_c;
bool firstLetter = true;
for(const char c : propsBuffer[0].text){
ofxMsdfgen::GlyphGeometry gg = atlas->getGlyphGeometry(c);
int x, y, w, h;
@ -51,16 +58,14 @@ void MsdfLayer::draw(glm::vec3 position) const {
ofLogError("MsdfLayer::draw") << "y smaller 0, this is not good" << endl;
}
ofPushStyle();
ofNoFill();
ofSetColor(ofFloatColor(sin(ofGetElapsedTimeMicros() * 0.0001) * 0.5 + 0.5, 0, 0, 1));
double pl, pb, pr, pt,
il, ib, ir, it;
gg.getQuadPlaneBounds(pl, pb, pr, pt);
gg.getQuadAtlasBounds(il, ib, ir, it);
ofPushMatrix();
float magic = ofMap(sin(ofGetElapsedTimeMicros() * 0.000001), -1, 1, 1, 1000);
ofTranslate(pl * magic, pt * magic, 0);
float magic = ofMap(sin(ofGetElapsedTimeMicros() * 0.000001), -1, 1, 1, 200);
magic = atlas->settings.scale;
//if(ofGetFrameNum() % 30 == 0){
//cout << "drawing letter " << c << endl
//<< "\tpl: " << ofToString(pl)
@ -70,14 +75,57 @@ void MsdfLayer::draw(glm::vec3 position) const {
//<< endl;
//}
ofPushMatrix();
for(int i = 0; i < 2; i++){
if(i == 1){
ofRotateDeg(90);
ofTranslate(200, -150, 0);
}
ofNoFill();
ofSetColor(ofColor::white);
ofDrawLine(glm::vec2(0, 90), glm::vec2(0, 140));
ofSetColor(ofColor::lightGray);
for(int i = 1; i < 3; i++){
ofDrawLine(glm::vec2(i * 20, 90), glm::vec2(i * 20, 140));
}
ofFill();
if(i == 0){
ofSetColor(ofColor::red);
ofDrawRectangle(0, 100, pl * 50, 10);
ofSetColor(ofColor::lightBlue);
ofDrawRectangle(0, 120, pr * 50, 10);
}else{
ofSetColor(ofColor::green);
ofDrawRectangle(0, 110, pb * 50, 10);
ofSetColor(ofColor::yellow);
ofDrawRectangle(0, 130, pt * 50, 10);
}
}
ofPopMatrix();
shader->begin();
ofSetColor(ofFloatColor(1, 1, 1, 1));
ofTranslate(-1 * pl * magic, -1 * pt * magic, 0);
//msdf_atlas::unicode_t a = previous_c;
//msdf_atlas::unicode_t b = c;
//if(!firstLetter){
//double advance;
//cout << "this is being printed" << endl;
//atlas->getFontGeometry();
//cout << "this is maybeh being printed" << endl;
//bool gotAdvance = atlas->getFontGeometry().getAdvance(advance, a, b);
//cout << "this is being not printed" << endl;
//if(gotAdvance){
////ofTranslate(advance * magic, 0, 0);
//}
//}else{
//firstLetter = false;
//}
atlasImage.drawSubsection(0, 0, w, h, x, y, w, h);
shader->end();
ofPopMatrix();
ofPopStyle();
ofTranslate(w, 0, 0);
ofTranslate(pr * magic, 0, 0);
previous_c = c;
}
ofPopMatrix();
//atlasImage.draw(x, y);

2
src/Layer.h
View file

@ -34,7 +34,7 @@ class Layer {
bool mirror_y = false;
float mirror_y_distance = 0;
float letterDelay = 0;
string text = "toast";
string text = "quickmonkeythedogASYAHELLO";
};
struct Settings {
uint32_t maxBufferSize = 100;

4
src/LayerComposition.cpp
View file

@ -7,7 +7,7 @@ namespace ofxVariableLab {
void LayerComposition::setup(){
ofxMsdfgen::AtlasSettings settings;
//settings.characters = "ABCDEFGHIJKL";
settings.scale = 64;
settings.scale = 256;
//string fontName = "RobotoFlex.ttf";
//string fontPath = "data/fonts/" + fontName;
//string fontPath = "data/celines-fonts/testing2VF.ttf";
@ -40,7 +40,7 @@ void LayerComposition::update(){
void LayerComposition::draw() const {
for(const auto & layer : layers){
layer->draw();
layer->draw(glm::vec3(0, 200, 0));
}
}