public boolean saveImage(String fileName, String fileFormat) { QImage visibleImage = image; visibleImage = resizeImage(visibleImage, size()); if (visibleImage.save(fileName, fileFormat)) { modified = false; return true; } else { return false; } }
private void changeIcon() { QIcon icon = new QIcon(); for (int row = 0; row < imagesTable.rowCount(); ++row) { QTableWidgetItem item0 = imagesTable.item(row, 0); QTableWidgetItem item1 = imagesTable.item(row, 1); QTableWidgetItem item2 = imagesTable.item(row, 2); if (item0.checkState() == Qt.CheckState.Checked) { QIcon.Mode mode; if (item1.text().equals(tr("Normal"))) { mode = QIcon.Mode.Normal; } else if (item1.text().equals(tr("Active"))) { mode = QIcon.Mode.Active; } else if (item1.text().equals(tr("Disabled"))) { mode = QIcon.Mode.Disabled; } else { mode = QIcon.Mode.Selected; } QIcon.State state; if (item2.text().equals(tr("On"))) { state = QIcon.State.On; } else { state = QIcon.State.Off; } String fileName = (String) item0.data(Qt.ItemDataRole.UserRole); QImage image = new QImage(fileName); if (!image.isNull()) icon.addPixmap(QPixmap.fromImage(image), mode, state); } } previewArea.setIcon(icon); }
public QImage resizeImage(QImage image, QSize newSize) { if (image.size() == newSize) return image; QImage newImage = new QImage(newSize, QImage.Format.Format_RGB32); newImage.fill(new QColor(Qt.GlobalColor.white).rgb()); QPainter painter = new QPainter(newImage); painter.drawImage(new QPoint(0, 0), image); painter.end(); return newImage; }
private static QImage makeShade(QImage image, boolean highlight, boolean darker) { double shade_alpha = 0.8; double shade_size = 0.2; double hl_pos = GOLDEN_MEAN; QColor shade_color = QColor.fromRgbF(0, 0, 0, shade_alpha); QColor transparent = darker ? QColor.fromRgbF(0, 0, 0, 0.25) : QColor.fromRgbF(0, 0, 0, 0); QColor hl_color = QColor.fromRgbF(1, 1, 1, 0.7); image = image.copy(); QPainter p = new QPainter(); p.begin(image); p.scale(image.width(), image.height()); QLinearGradient lg = new QLinearGradient(0, 0, 1, 0); lg.setColorAt(0, shade_color); lg.setColorAt(shade_size, transparent); if (highlight) lg.setColorAt(hl_pos, hl_color); lg.setColorAt(1 - shade_size, transparent); lg.setColorAt(1, shade_color); p.fillRect(0, 0, 1, 1, new QBrush(lg)); if (highlight) { QRadialGradient rg = new QRadialGradient(hl_pos, 1 - hl_pos, 0.4, hl_pos, 1 - hl_pos); rg.setColorAt(0, hl_color); rg.setColorAt(1, transparent); p.fillRect(0, 0, 1, 1, new QBrush(rg)); } p.end(); return image; }
@Override protected void resizeEvent(QResizeEvent event) { if (width() > image.width() || height() > image.height()) { int newWidth = Math.max(width() + 128, image.width()); int newHeight = Math.max(height() + 128, image.height()); image = resizeImage(image, new QSize(newWidth, newHeight)); update(); } super.resizeEvent(event); }
public boolean openImage(String fileName) { QImage loadedImage = new QImage(); if (!loadedImage.load(fileName)) return false; QSize newSize = loadedImage.size().expandedTo(size()); loadedImage = resizeImage(loadedImage, newSize); image = loadedImage; modified = false; update(); return true; }
public void print() { QPrinter printer = new QPrinter(QPrinter.PrinterMode.HighResolution); QPrintDialog printDialog = new QPrintDialog(printer, this); if (printDialog.exec() == QDialog.DialogCode.Accepted.value()) { QPainter painter = new QPainter(printer); QRect rect = painter.viewport(); QSize size = image.size(); size.scale(rect.size(), Qt.AspectRatioMode.KeepAspectRatio); painter.setViewport(rect.x(), rect.y(), size.width(), size.height()); painter.setWindow(image.rect()); painter.drawImage(0, 0, image); painter.end(); } }
public static QImage qoffeyLogo(int size) { int warp = size / 5; QImage bg_image = null, fg_image = null; { QImage image = qtLogoImage(size, size, false); QImage shade = makeShade(image, false, true); bg_image = warpImage(shade, warp, -1); } { QImage image = qtLogoImage(size, size, true); QImage shade = makeShade(image, true, false); fg_image = warpImage(shade, warp, 1); } QImage cup = composeCup(bg_image, fg_image, size, warp); return cup.scaledToWidth(size, Qt.TransformationMode.SmoothTransformation); }
private static QImage warpImage(QImage src, int warp, int sign) { int w = src.width(); int ppl = src.bytesPerLine() / 4; int srch = src.height(); int desth = srch + warp; QImage dest = new QImage(w, desth, QImage.Format.Format_ARGB32_Premultiplied); dest.fill(0); QNativePointer sbits = src.bits(); QNativePointer dbits = dest.bits(); sbits.setVerificationEnabled(false); dbits.setVerificationEnabled(false); double r = w / 2.0; int extra_offset = sign >= 0 ? 0 : warp; for (int x = 0; x < w; ++x) { int oset = (int) (((Math.sqrt(Math.abs(r * r - (x - r) * (x - r)))) * sign / r) * warp); for (int y = 0; y < srch; ++y) { int p = sbits.intAt(y * ppl + x); dbits.setIntAt(((y + oset + extra_offset) * ppl) + x, p); } } return dest; }
public QImage getImage() { if (!fetched) { image = ThumbnailImageFactory.fetchThumbnailImage(imageFilename); if ((image == null) || (image.isNull())) log.debug("getImage(): couldn't load video link image=" + imageFilename); fetched = true; } return image; }
public void next() { // blur for (int y = 1; y < m_height; ++y) { int oset = y * m_width; // System.out.println("y:::"); for (int x = 1; x < m_width - 1; ++x) { // int dl = m_data[oset + m_width + x - 1]; // int dr = m_data[oset + m_width + x + 1]; // int d = m_data[oset + m_width + x]; // m_data[oset + x] = (int) ((dl + (d * 2) + dr) / (4 + 10.0 / m_width)); // m_data[oset + x] = (int) ((dl + du + dr + dd) / 4); m_data[oset + x] = (((m_data[oset + x + m_width] << 2) + (m_data[oset + x] << 1) + (m_data[oset + x + 1]) + (m_data[oset + x - 1])) - 7) >> 3; if (m_data[oset + x] < 0) m_data[oset + x] = 0; // System.out.print(" " + m_data[oset + x]); } // System.out.println(); } // seed the last row for the next step... seedLastRow(); QNativePointer np = m_image.bits(); np.setVerificationEnabled(false); int ppl = m_image.bytesPerLine() / 4; for (int y = 0; y < m_height; ++y) { int oset = ppl * y; for (int x = 0; x < m_width; ++x) { int val = m_data[oset + x]; val = val * val / (255); int val_2 = 0; np.setIntAt(oset + x, (val << 24) | (val_2 << 16) | (val_2 << 8) | (val_2)); } } }
public static QImage fetchThumbnailImageNow(String imageFilename, QSize size) { try { QImage img = null; if (!imageFilename.equals(SearchRecord.DEFAULT_THUMBNAIL_IMAGE)) img = FileSystemAccess.getFileSystem().readQImage(imageFilename); else img = new QImage(imageFilename); /* QImage result = (img.width() > size.width() || img.height() > size.height()) ? img.scaled(size, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation) : img.copy(); */ QImage result = null; if ((img.width() > size.width() || img.height() > size.height())) { result = img.scaled( size, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation); } else { result = img.copy(); } img.dispose(); return result; } catch (InvalidImageException ie) { if (log.isDebugEnabled()) log.debug("fetchThumbnailImageNow(): could not load image=" + imageFilename); } catch (Exception e) { log.error("fetchThumbnailImageNow(): error", e); } return null; }
public SmokeEffect(int width, int height) { m_width = width; m_height = height; m_seeds = new int[16000]; for (int i = 0; i < m_seeds.length; ++i) { double d = Math.random(); m_seeds[i] = (int) (d * 255); } m_image = new QImage(width, height, QImage.Format.Format_ARGB32_Premultiplied); m_image.fill(0); m_data = new int[m_width * (m_height + 1)]; seedLastRow(); }
@Override protected void paintEvent(QPaintEvent e) { m_smoke_effect.next(); QPainter p = new QPainter(); p.begin(this); p.fillRect(rect(), new QBrush(QColor.white)); // p.fillRect(rect(), new QBrush(Qt.CrossPattern)); p.drawImage(50, 80, m_logo); p.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform); QImage im = m_smoke_effect.image(); p.drawImage( new QRect(50, -20, im.width(), im.height()), im, new QRect(0, (int) (im.height() * 0.60), im.width(), (int) (im.height() * 0.39))); p.end(); }
private static QImage composeCup(QImage bg_image, QImage fg_image, int size, int warp) { double coffey_alpha = 1; QColor dark_brown = QColor.fromRgbF(0.3, 0.15, 0, coffey_alpha); QColor light_brown = QColor.fromRgbF(0.66, 0.33, 0, coffey_alpha); QColor highlight = QColor.fromRgbF(1, 1, 0.8, coffey_alpha); QColor transparent = QColor.transparent; double highlight_pos = 0.4; double highlight_size = 0.05; QImage combined = new QImage( size + size / 2, size + warp * 2 + size / 8, QImage.Format.Format_ARGB32_Premultiplied); combined.fill(0); QPainter p = new QPainter(); p.begin(combined); p.setRenderHint(QPainter.RenderHint.Antialiasing); p.setPen(Qt.PenStyle.NoPen); // draw the background p.drawImage(0, 0, bg_image); // Draw the coffey QRectF coffey_bounds = new QRectF(0, warp, size, 2 * warp); QConicalGradient cg = new QConicalGradient( coffey_bounds.width() * GOLDEN_MEAN + warp * 0.1, warp * 1.2 + coffey_bounds.height() / 2.0, -30); cg.setColorAt(0, dark_brown); cg.setColorAt(highlight_pos - highlight_size, light_brown); cg.setColorAt(0.4, highlight); cg.setColorAt(highlight_pos + highlight_size, light_brown); cg.setColorAt(1, dark_brown); p.setPen(new QPen(new QBrush(QColor.black), size * 0.01)); p.setBrush(new QBrush(cg)); p.drawEllipse(coffey_bounds); // draw the foreground p.drawImage(0, warp, fg_image); // Draw the handle double handle_dim = size * 0.8; QRectF handle_bounds = new QRectF(size - handle_dim / 2, size / 3, handle_dim, handle_dim); double hcx = handle_bounds.width() / 2; double hcy = handle_bounds.height() / 2; QImage handle_im = new QImage(handle_bounds.size().toSize(), QImage.Format.Format_ARGB32_Premultiplied); { handle_im.fill(0); QPainter ph = new QPainter(); ph.begin(handle_im); QRadialGradient rg = new QRadialGradient(hcx, hcy, hcx, hcx, hcy + size / 30); double ir = 0.5; double or = 0.9; double aa = 0.02; double shade = 0.08; rg.setColorAt(ir - aa, transparent); rg.setColorAt(ir, QColor.fromRgbF(0, 0, 0, 1)); rg.setColorAt(ir + shade, color_green); rg.setColorAt((ir + or) / 2, QColor.fromRgbF(0.8, 0.85, 0.6)); rg.setColorAt(or - shade, color_green); rg.setColorAt(or, QColor.fromRgbF(0, 0, 0, 1)); rg.setColorAt(or + aa, transparent); ph.setBrush(new QBrush(rg)); ph.setPen(Qt.PenStyle.NoPen); ph.drawEllipse(0, 0, (int) handle_bounds.width(), (int) handle_bounds.height()); QLinearGradient lg = new QLinearGradient(0, 0, handle_bounds.width(), 0); lg.setColorAt(0.42, transparent); lg.setColorAt(0.47, QColor.fromRgbF(0, 0, 0)); ph.setBrush(new QBrush(lg)); ph.setCompositionMode(QPainter.CompositionMode.CompositionMode_DestinationIn); ph.drawRect(0, 0, (int) handle_bounds.width(), (int) handle_bounds.height()); ph.end(); } p.drawImage(handle_bounds.topLeft(), handle_im); // The drop shadow... QRadialGradient dsg = new QRadialGradient(0, 0, 0.5, 0, 0); dsg.setColorAt(0, QColor.fromRgbF(0, 0, 0, .75)); dsg.setColorAt(1, transparent); p.translate(size * 3 / 4, size + warp * 1.4); p.scale(size * 1.5, size / 2); p.setBrush(new QBrush(dsg)); p.setPen(Qt.PenStyle.NoPen); p.setCompositionMode(QPainter.CompositionMode.CompositionMode_DestinationOver); p.drawEllipse(new QRectF(-0.5, -0.5, 1, 1)); // p.drawEllipse(new QRectF(size - size / 2, size + warp - size / 2, size, size)); p.end(); return combined; }
public void clearImage() { image.fill(new QColor(Qt.GlobalColor.white).rgb()); modified = true; update(); }