プログラミング de 落描き – ページ 781 – クリエイティブ・コーディングによる生成物とソース

2018年6月20日2018年6月20日

動画を文字化け openFrameworks

[ Video ]

[ About ]
OpenCVを使って動画を読み込み、ピクセル単位でアクセスして色情報を元に文字化しました。何も思いつかずにこねくり回してたらこんなんになりました

[ Source ]

#include "ofMain.h"
#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofTrueTypeFont font;

	cv::VideoCapture cap;
	cv::Mat cap_frame;
	ofImage cap_image;
	cv::Size cap_size;
};

#include "ofMain.h"

#include "opencv2/opencv.hpp"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofTrueTypeFont font;

cv::VideoCapture cap;

cv::Mat cap_frame;

ofImage cap_image;

cv::Size cap_size;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15);
	
	this->cap.open("D:\\video\\image2.mp4");
	this->cap_size = cv::Size(1280, 720);
	this->cap_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->cap_frame = cv::Mat(this->cap_image.getHeight(), this->cap_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->cap_image.getPixels().getNumChannels()), this->cap_image.getPixels().getData(), 0);
}

//--------------------------------------------------------------
void ofApp::update() {

	cv::Mat origin;
	this->cap >> origin;
	if (origin.empty()) {

		this->cap.set(CV_CAP_PROP_POS_FRAMES, 1);
		return;
	}

	cv::resize(origin, this->cap_frame, this->cap_size);
	cv::cvtColor(this->cap_frame, this->cap_frame, CV_BGR2RGB);
	
	this->cap_image.update();
}

//--------------------------------------------------------------
void ofApp::draw() {

	vector<string> word = { "A", "B", "C", "D", "E", "F","G", "H", "I", "J", "K", "L","M", "N", "O", "P", "Q", "R", "S", "T","U", "V", "W", "X", "Y", "Z" };

	for (int x = 0; x < this->cap_frame.cols; x += 15) {

		for (int y = 0; y < this->cap_frame.rows; y += 15) {

			ofColor color(this->cap_frame.at<cv::Vec3b>(y, x)[0], this->cap_frame.at<cv::Vec3b>(y, x)[1], this->cap_frame.at<cv::Vec3b>(y, x)[2]);
			ofSetColor(color);

			int moji_index = ofMap(color.getHue(), 0, 255, 0, word.size());
			this->font.drawString(word[moji_index], x, y);
		}
	}

	//this->cap_image.draw(0, 0);
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15);

this->cap.open("D:\\video\\image2.mp4");

this->cap_size = cv::Size(1280, 720);

this->cap_image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->cap_frame = cv::Mat(this->cap_image.getHeight(), this->cap_image.getWidth(), CV_MAKETYPE(CV_8UC3, this->cap_image.getPixels().getNumChannels()), this->cap_image.getPixels().getData(), 0);

}

//--------------------------------------------------------------

void ofApp::update() {

cv::Mat origin;

this->cap >> origin;

if (origin.empty()) {

this->cap.set(CV_CAP_PROP_POS_FRAMES, 1);

return;

}

cv::resize(origin, this->cap_frame, this->cap_size);

cv::cvtColor(this->cap_frame, this->cap_frame, CV_BGR2RGB);

this->cap_image.update();

}

//--------------------------------------------------------------

void ofApp::draw() {

vector<string> word = { "A", "B", "C", "D", "E", "F","G", "H", "I", "J", "K", "L","M", "N", "O", "P", "Q", "R", "S", "T","U", "V", "W", "X", "Y", "Z" };

for (int x = 0; x < this->cap_frame.cols; x += 15) {

for (int y = 0; y < this->cap_frame.rows; y += 15) {

ofColor color(this->cap_frame.at<cv::Vec3b>(y, x)[0], this->cap_frame.at<cv::Vec3b>(y, x)[1], this->cap_frame.at<cv::Vec3b>(y, x)[2]);

ofSetColor(color);

int moji_index = ofMap(color.getHue(), 0, 255, 0, word.size());

this->font.drawString(word[moji_index], x, y);

}

//this->cap_image.draw(0, 0);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180620

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年6月19日2018年6月19日

GECKO ON GECKO openFrameworks

[ Video ]

[ About ]
やもりのシルエットをGECKOという文字で埋めました。Noiseで文字を変化、文字と色はリンクしています。

[ Source ]

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofImage image;
	ofPixels pix;

	ofTrueTypeFont font;
};

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofImage image;

ofPixels pix;

ofTrueTypeFont font;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15);
	this->image.load("images/gecko.png");
	this->pix = this->image.getPixelsRef();
}

//--------------------------------------------------------------
void ofApp::update() {

}

//--------------------------------------------------------------
void ofApp::draw() {

	ofColor word_color;
	vector<string> word = { "G", "E", "C", "K", "O" };

	ofTranslate((ofGetWidth() - this->image.getWidth()) * 0.5, (ofGetHeight() - this->image.getHeight()) * 0.5);
	
	for (int x = 0; x < this->image.getWidth(); x += this->font.getSize()) {

		for (int y = 0; y < this->image.getHeight(); y += this->font.getSize()) {

			ofColor pix_color = this->pix.getColor(x, y);
			if (pix_color != ofColor(0)) {

				continue;
			}

			int word_index = ofMap(ofNoise(x * 0.008, y * 0.008 + ofGetFrameNum() * 0.03), 0, 1, 0, word.size());
			word_color.setHsb(ofMap(word_index, 0, word.size(), 0, 239), 200, 255);
			ofSetColor(word_color);
			this->font.drawString(word[word_index], x, y);
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15);

this->image.load("images/gecko.png");

this->pix = this->image.getPixelsRef();

}

//--------------------------------------------------------------

void ofApp::update() {

}

//--------------------------------------------------------------

void ofApp::draw() {

ofColor word_color;

vector<string> word = { "G", "E", "C", "K", "O" };

ofTranslate((ofGetWidth() - this->image.getWidth()) * 0.5, (ofGetHeight() - this->image.getHeight()) * 0.5);

for (int x = 0; x < this->image.getWidth(); x += this->font.getSize()) {

for (int y = 0; y < this->image.getHeight(); y += this->font.getSize()) {

ofColor pix_color = this->pix.getColor(x, y);

if (pix_color != ofColor(0)) {

continue;

}

int word_index = ofMap(ofNoise(x * 0.008, y * 0.008 + ofGetFrameNum() * 0.03), 0, 1, 0, word.size());

word_color.setHsb(ofMap(word_index, 0, word.size(), 0, 239), 200, 255);

ofSetColor(word_color);

this->font.drawString(word[word_index], x, y);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180619

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2018年6月18日2018年6月19日

シルエット on ライン openFrameworks

[ Video ]

[ About ]
動物(犬-Dog, やもり-Gecko, こうもり-Bat)のシルエットにお互いを結ぶ座標を置きました。

[ Source ]

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	vector<ofImage> images;
	int images_index;
	ofPixels pix;
};

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<ofImage> images;

int images_index;

ofPixels pix;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	
	ofImage image_gecko;
	image_gecko.load("images/gecko.png");
	ofImage image_dog;
	image_dog.load("images/dog.png");
	ofImage image_bat;
	image_bat.load("images/bat.png");

	this->images.push_back(image_gecko);
	this->images.push_back(image_dog);
	this->images.push_back(image_bat);

	this->images_index = -1;
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	if (ofGetFrameNum() % 180 == 0) {

		this->images_index = (this->images_index + 1) % this->images.size();
		this->pix = this->images[this->images_index].getPixelsRef();
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	ofTranslate((ofGetWidth() - this->images[this->images_index].getWidth()) * 0.5, (ofGetHeight() - this->images[this->images_index].getHeight()) * 0.5);

	int number_of_circle = 550;
	vector<ofPoint> points;
	while (points.size() < number_of_circle) {

		int x = ofRandom(this->images[this->images_index].getWidth());
		int y = ofRandom(this->images[this->images_index].getHeight());

		ofColor pix_color = this->pix.getColor(x, y);
		if (pix_color != ofColor(0)) {

			continue;
		}

		float x_increase = ofMap(ofNoise(ofRandom(number_of_circle), ofGetFrameNum() * 0.005), 0, 1, -10, 10);
		float y_increase = ofMap(ofNoise(ofRandom(number_of_circle), ofGetFrameNum() * 0.005), 0, 1, -10, 10);
		x += x_increase;
		y += y_increase;

		points.push_back(ofPoint(x, y));
	}

	ofColor color;
	for (int i = 0; i < points.size(); i++) {

		color.setHsb(ofRandom(255), 255, 255);
		ofSetColor(color);
		ofDrawCircle(points[i], 3);

		for (int j = 0; j < points.size(); j++) {

			float distance = points[i].distance(points[j]);
			if (distance < 50) {

				ofSetColor(color, ofMap(distance, 0, 50, 255, 0));
				ofDrawLine(points[i], points[j]);
			}
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofImage image_gecko;

image_gecko.load("images/gecko.png");

ofImage image_dog;

image_dog.load("images/dog.png");

ofImage image_bat;

image_bat.load("images/bat.png");

this->images.push_back(image_gecko);

this->images.push_back(image_dog);

this->images.push_back(image_bat);

this->images_index = -1;

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 180 == 0) {

this->images_index = (this->images_index + 1) % this->images.size();

this->pix = this->images[this->images_index].getPixelsRef();

}

//--------------------------------------------------------------

void ofApp::draw() {

ofTranslate((ofGetWidth() - this->images[this->images_index].getWidth()) * 0.5, (ofGetHeight() - this->images[this->images_index].getHeight()) * 0.5);

int number_of_circle = 550;

vector<ofPoint> points;

while (points.size() < number_of_circle) {

int x = ofRandom(this->images[this->images_index].getWidth());

int y = ofRandom(this->images[this->images_index].getHeight());

ofColor pix_color = this->pix.getColor(x, y);

if (pix_color != ofColor(0)) {

continue;

}

float x_increase = ofMap(ofNoise(ofRandom(number_of_circle), ofGetFrameNum() * 0.005), 0, 1, -10, 10);

float y_increase = ofMap(ofNoise(ofRandom(number_of_circle), ofGetFrameNum() * 0.005), 0, 1, -10, 10);

x += x_increase;

y += y_increase;

points.push_back(ofPoint(x, y));

}

ofColor color;

for (int i = 0; i < points.size(); i++) {

color.setHsb(ofRandom(255), 255, 255);

ofSetColor(color);

ofDrawCircle(points[i], 3);

for (int j = 0; j < points.size(); j++) {

float distance = points[i].distance(points[j]);

if (distance < 50) {

ofSetColor(color, ofMap(distance, 0, 50, 255, 0));

ofDrawLine(points[i], points[j]);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180618

[ほしいものリスト]
Amazon

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