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ひらがなを部分的に回転。
Partial rotation of HIRAGANA.
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#pragma once #include "opencv2/opencv.hpp" #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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; cv::Mat frame; cv::Size frame_size; float rect_size; vector<cv::Mat> rect_frames; vector<unique_ptr<ofImage>> rect_images; vector<cv::Rect> cv_rects; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); ofDisableArbTex(); this->frame_size = cv::Size(720, 720); this->rect_size = 120; for (int x = 0; x < this->frame_size.width; x += this->rect_size) { for (int y = 0; y < this->frame_size.height; y += this->rect_size) { auto image = make_unique<ofImage>(); image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR); cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0); cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size); this->rect_images.push_back(move(image)); this->cv_rects.push_back(rect); this->rect_frames.push_back(frame); } } cv::Mat pic = cv::imread("D:\\char.jpg"); cv::resize(pic, this->frame, this->frame_size); cv::cvtColor(this->frame, this->frame, cv::COLOR_BGR2RGB); cv::flip(this->frame, this->frame, 0); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { for (int i = 0; i < this->rect_frames.size(); i++) { cv::Mat tmp_box_image(this->frame, this->cv_rects[i]); tmp_box_image.copyTo(this->rect_frames[i]); auto noise_value = ofNoise(this->cv_rects[i].x * 0.005, this->cv_rects[i].y * 0.005, ofGetFrameNum() * 0.002); int deg = 0; if (noise_value > 0.4 && noise_value < 0.6) { deg = ofMap(noise_value, 0.4, 0.6, 0, 360); } if (deg < 80) { deg = 0; } else if (deg < 90) { deg = ofMap(deg, 80, 90, 0, 90); } else if (deg < 170) { deg = 90; } else if (deg < 180) { deg = ofMap(deg, 170, 180, 90, 180); } else if (deg < 260) { deg = 180; } else if (deg < 270) { deg = ofMap(deg, 260, 270, 180, 270); } else if (deg < 350) { deg = 270; } else if (deg < 360) { deg = ofMap(deg, 350, 360, 270, 360); } ofPushMatrix(); ofTranslate(this->cv_rects[i].x + this->rect_size * 0.5, this->frame_size.height - this->cv_rects[i].y - this->rect_size * 0.5, 0); ofRotate(deg); this->rect_images[i]->update(); this->rect_images[i]->getTexture().bind(); ofSetColor(255); ofFill(); ofDrawBox(glm::vec3(), this->rect_size, this->rect_size, 1); this->rect_images[i]->unbind(); ofSetColor(39); ofNoFill(); ofDrawBox(glm::vec3(), this->rect_size, this->rect_size, 1); ofPopMatrix(); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |