imageprocessor_QML.rar_QT图像处理_qml_qml 界面_qmlres_qt qml

#include "imageProcessor.h" #include <QThreadPool> #include <QList> #include <QFile> #include <QFileInfo> #include <QRunnable> #include <QEvent> #include <QCoreApplication> #include <QPointer> #include <QUrl> #include <QImage> //#include <QDebug> #include <QDir> typedef void (*AlgorithmFunction)(QString sourceFile, QString destFile); class AlgorithmRunnable; class ExcutedEvent : public QEvent { public: ExcutedEvent(AlgorithmRunnable *r) : QEvent(evType()), m_runnable(r) { } AlgorithmRunnable *m_runnable; static QEvent::Type evType() { if(s_evType == QEvent::None) { s_evType = (QEvent::Type)registerEventType(); } return s_evType; } private: static QEvent::Type s_evType; }; QEvent::Type ExcutedEvent::s_evType = QEvent::None; static void _gray(QString sourceFile, QString destFile) { QImage image(sourceFile.mid(7)); if(image.isNull()) { //qDebug() << "load " << sourceFile << " failed! "; return; } //qDebug() << "depth - " << image.depth(); int width = image.width(); int height = image.height(); QRgb color; int gray; for(int i = 0; i < width; i++) { for(int j= 0; j < height; j++) { color = image.pixel(i, j); gray = qGray(color); image.setPixel(i, j, qRgba(gray, gray, gray, qAlpha(color))); } } image.save(destFile); } static void _binarize(QString sourceFile, QString destFile) { QImage image(sourceFile.mid(7)); if(image.isNull()) { //qDebug() << "load " << sourceFile << " failed! "; return; } int width = image.width(); int height = image.height(); QRgb color; QRgb avg; QRgb black = qRgb(0, 0, 0); QRgb white = qRgb(255, 255, 255); for(int i = 0; i < width; i++) { for(int j= 0; j < height; j++) { color = image.pixel(i, j); avg = (qRed(color) + qGreen(color) + qBlue(color))/3; image.setPixel(i, j, avg >= 128 ? white : black); } } image.save(destFile); } static void _negative(QString sourceFile, QString destFile) { QImage image(sourceFile.mid(7)); if(image.isNull()) { //qDebug() << "load " << sourceFile << " failed! "; return; } int width = image.width(); int height = image.height(); QRgb color; QRgb negative; for(int i = 0; i < width; i++) { for(int j= 0; j < height; j++) { color = image.pixel(i, j); negative = qRgba(255 - qRed(color), 255 - qGreen(color), 255 - qBlue(color), qAlpha(color)); image.setPixel(i, j, negative); } } image.save(destFile); } static void _emboss(QString sourceFile, QString destFile) { QImage image(sourceFile.mid(7)); if(image.isNull()) { // qDebug() << "load " << sourceFile << " failed! "; return; } int width = image.width(); int height = image.height(); QRgb color; QRgb preColor = 0; QRgb newColor; int gray, r, g, b, a; for(int i = 0; i < width; i++) { for(int j= 0; j < height; j++) { color = image.pixel(i, j); r = qRed(color) - qRed(preColor) + 128; g = qGreen(color) - qGreen(preColor) + 128; b = qBlue(color) - qBlue(preColor) + 128; a = qAlpha(color); gray = qGray(r, g, b); newColor = qRgba(gray, gray, gray, a); image.setPixel(i, j, newColor); preColor = newColor; } } image.save(destFile); } static void _sharpen(QString sourceFile, QString destFile) { QImage image(sourceFile.mid(7)); if(image.isNull()) { //qDebug() << "load " << sourceFile << " failed! "; return; } int width = image.width(); int height = image.height(); int threshold = 80; QImage sharpen(width, height, QImage::Format_ARGB32); int r, g, b, gradientR, gradientG, gradientB; QRgb rgb00, rgb01, rgb10; for(int i = 0; i < width; i++) { for(int j= 0; j < height; j++) { if(image.valid(i, j) && image.valid(i+1, j) && image.valid(i, j+1)) { rgb00 = image.pixel(i, j); rgb01 = image.pixel(i, j+1); rgb10 = image.pixel(i+1, j); r = qRed(rgb00); g = qGreen(rgb00); b = qBlue(rgb00); gradientR = abs(r - qRed(rgb01)) + abs(r - qRed(rgb10)); gradientG = abs(g - qGreen(rgb01)) + abs(g - qGreen(rgb10)); gradientB = abs(b - qBlue(rgb01)) + abs(b - qBlue(rgb10)); if(gradientR > threshold) { r = qMin(gradientR + 100, 255); } if(gradientG > threshold) { g = qMin( gradientG + 100, 255); } if(gradientB > threshold) { b = qMin( gradientB + 100, 255); } sharpen.setPixel(i, j, qRgb(r, g, b)); } } } sharpen.save(destFile); } static void _soften(QString sourceFile, QString destFile) { QImage image(sourceFile.mid(7)); if(image.isNull()) { //qDebug() << "load " << sourceFile << " failed! "; return; } int width = image.width(); int height = image.height(); int r, g, b; QRgb color; int xLimit = width - 1; int yLimit = height - 1; for(int i = 1; i < xLimit; i++) { for(int j = 1; j < yLimit; j++) { r = 0; g = 0; b = 0; for(int m = 0; m < 9; m++) { int s = 0; int p = 0; switch(m) { case 0: s = i - 1; p = j - 1; break; case 1: s = i; p = j - 1; break; case 2: s = i + 1; p = j - 1; break; case 3: s = i + 1; p = j; break; case 4: s = i + 1; p = j + 1; break; case 5: s = i; p = j + 1; break; case 6: s = i - 1; p = j + 1; break; case 7: s = i - 1; p = j; break; case 8: s = i; p = j; } color = image.pixel(s, p); r += qRed(color); g += qGreen(color); b += qBlue(color); } r = (int) (r / 9.0); g = (int) (g / 9.0); b = (int) (b / 9.0); r = qMin(255, qMax(0, r)); g = qMin(255, qMax(0, g)); b = qMin(255, qMax(0, b)); image.setPixel(i, j, qRgb(r, g, b)); } } image.save(destFile); } static AlgorithmFunction g_functions[ImageProcessor::AlgorithmCount] = { _gray, _binarize, _negative, _emboss, _sharpen, _soften }; class AlgorithmRunnable : public QRunnable { public