First commit.

src/ofxScrollingText.cpp

@@ -0,0 +1,136 @@
+//
+//  ofxScrollingText.cpp
+//
+//  Created by Teruaki Tsubokura on 2014/03/13.
+//
+//
+
+#include "ofxScrollingText.h"
+
+//--------------------------------------------------------------
+ofxScrollingText *ofxScrollingText::mIns = 0; // inctance()内の条件式のために初期化
+ofxScrollingText* ofxScrollingText::instance(){
+    if(!mIns){
+        mIns = new ofxScrollingText();
+    }
+    return mIns;
+}
+
+//--------------------------------------------------------------
+ofxScrollingText::ofxScrollingText(){
+    isVisible = false;
+    isPlaying = false;
+    isScroll = true;
+    fontColor = ofColor(255,255,255,255);
+    bgColor = ofColor(30, 30, 30, 180);
+    speed = 17.0;
+    alpha = 0;
+    textString = "";
+    textPosition.y = ofGetHeight() * 0.8;
+    width = ofGetWidth();
+    height = ofGetHeight()/10;
+}
+
+//--------------------------------------------------------------
+ofxScrollingText::~ofxScrollingText(){
+
+}
+
+//--------------------------------------------------------------
+void ofxScrollingText::setup(string _fontPath, int _fontSize){
+    font.loadFont(_fontPath, _fontSize, true, true);
+    height = _fontSize * 2;
+}
+
+//--------------------------------------------------------------
+void ofxScrollingText::update(){
+    width = ofGetWidth();
+    textPosition.y = ofGetHeight() - height;
+    if(isVisible && textString != ""){
+        if( alpha < 1) alpha += (1 - alpha) * 0.1;
+        if(isScroll){
+            if(0 < textPosition.x + font.stringWidth(textString)){
+                textPosition.x -= speed;
+            }else{
+                isVisible = false;
+            }
+        }else{
+            textPosition.x = ofGetWidth() / 2 - font.stringWidth(textString) / 2;
+        }
+    }else{
+        if( alpha > 0.01){
+            alpha += (0 - alpha) * 0.1;
+        }else{
+            alpha = 0;
+            if(isPlaying){
+                isPlaying = false;
+                cout << "[ofxScrollingText] completeEvent." << endl;
+                ofNotifyEvent(ofxScrollingText::completeEvent);
+            }
+        }
+    }
+}
+
+//--------------------------------------------------------------
+void ofxScrollingText::draw(){
+    ofPushStyle();
+    ofSetColor(bgColor.r, bgColor.g, bgColor.b, bgColor.a * alpha);
+    ofRect(0, textPosition.y, width, height);
+    ofSetColor(fontColor.r, fontColor.g, fontColor.b, fontColor.a * alpha);
+    font.drawString(textString, textPosition.x, textPosition.y + height - (height - font.stringHeight(textString))/2);
+    ofPopStyle();
+}
+
+//--------------------------------------------------------------
+void ofxScrollingText::showText(string _message){
+    if(_message != ""){
+        textString = _message;
+        isVisible = true;
+        isPlaying = true;
+        textPosition.x = ofGetWidth();
+    }
+}
+
+//--------------------------------------------------------------
+void ofxScrollingText::hideText(){
+    isVisible = false;
+}
+
+//--------------------------------------------------------------
+bool ofxScrollingText::getVisible(){
+    return isVisible;
+}
+
+//--------------------------------------------------------------
+void ofxScrollingText::setFontColor(ofColor _color){
+    fontColor = _color;
+}
+
+//--------------------------------------------------------------
+ofColor ofxScrollingText::getFontColor(){
+    return fontColor;
+}
+
+//--------------------------------------------------------------
+void ofxScrollingText::setBackgroundColor(ofColor _color){
+    bgColor = _color;
+}
+
+//--------------------------------------------------------------
+ofColor ofxScrollingText::getBackgroundColor(){
+    return bgColor;
+}
+
+//--------------------------------------------------------------
+void ofxScrollingText::setSpeed(float _speed){
+    speed = _speed;
+}
+
+//--------------------------------------------------------------
+float ofxScrollingText::getSpeed(){
+    return speed;
+}
+
+ofEvent <void> ofxScrollingText::completeEvent;
+
+

src/ofxScrollingText.h

@@ -0,0 +1,55 @@
+//
+//  ofxScrollingText.h
+//
+//  Created by Teruaki Tsubokura on 2014/03/13.
+//
+//
+
+#pragma once
+
+#include "ofMain.h"
+#include "ofxTrueTypeFontUC.h"
+
+class ofxScrollingText{
+public:
+    static ofxScrollingText* instance();
+    void setup(string _fontPath, int _fontSize = 48);
+    void update();
+    void draw();
+
+    void showText(string _message);
+    void hideText();
+    bool getVisible();
+
+    void setFontColor(ofColor _color);
+    ofColor getFontColor();
+
+    void setBackgroundColor(ofColor _color);
+    ofColor getBackgroundColor();
+
+    void setSpeed(float _speed);
+    float getSpeed();
+
+    //テロップ再生完了イベント
+    static ofEvent<void> completeEvent;
+
+private:
+    //シングルトン用にコンストラクタをprivateにして呼べなくする。
+    ofxScrollingText();
+    ~ofxScrollingText();
+    //シングルトン用インスタンス
+    static ofxScrollingText* mIns;
+
+    ofxTrueTypeFontUC font;
+    bool isVisible;
+    bool isPlaying;
+    bool isScroll;
+    float speed;
+    float alpha;
+    ofColor fontColor;
+    ofColor bgColor;
+    string textString;
+    ofPoint textPosition;
+    int width;
+    int height;
+};