def __call__(self, canvas): if canvas.has_selection and canvas.selection_state.rect is not None: pimg = self.after_image img = self.after_image = QImage(canvas.current_image) rect = QRectF(*get_selection_rect(img, canvas.selection_state.rect, canvas.target)) p = QPainter(img) p.setRenderHint(p.SmoothPixmapTransform, True) p.drawImage(rect, pimg, QRectF(pimg.rect())) p.end() return self.after_image
def paintEvent(self, event): w = self.viewport().rect().width() painter = QPainter(self.viewport()) painter.setClipRect(event.rect()) floor = event.rect().bottom() ceiling = event.rect().top() fv = self.firstVisibleBlock().blockNumber() origin = self.contentOffset() doc = self.document() lines = [] for num, text in self.headers: top, bot = num, num + 3 if bot < fv: continue y_top = self.blockBoundingGeometry(doc.findBlockByNumber(top)).translated(origin).y() y_bot = self.blockBoundingGeometry(doc.findBlockByNumber(bot)).translated(origin).y() if max(y_top, y_bot) < ceiling: continue if min(y_top, y_bot) > floor: break painter.setFont(self.heading_font) br = painter.drawText(3, y_top, w, y_bot - y_top - 5, Qt.TextSingleLine, text) painter.setPen(QPen(self.palette().text(), 2)) painter.drawLine(0, br.bottom()+3, w, br.bottom()+3) for top, bot, kind in self.changes: if bot < fv: continue y_top = self.blockBoundingGeometry(doc.findBlockByNumber(top)).translated(origin).y() y_bot = self.blockBoundingGeometry(doc.findBlockByNumber(bot)).translated(origin).y() if max(y_top, y_bot) < ceiling: continue if min(y_top, y_bot) > floor: break if y_top != y_bot: painter.fillRect(0, y_top, w, y_bot - y_top, self.diff_backgrounds[kind]) lines.append((y_top, y_bot, kind)) if top in self.images: img, maxw = self.images[top][:2] if bot > top + 1 and not img.isNull(): y_top = self.blockBoundingGeometry(doc.findBlockByNumber(top+1)).translated(origin).y() + 3 y_bot -= 3 scaled, imgw, imgh = fit_image(img.width(), img.height(), w - 3, y_bot - y_top) painter.setRenderHint(QPainter.SmoothPixmapTransform, True) painter.drawPixmap(QRect(3, y_top, imgw, imgh), img) painter.end() PlainTextEdit.paintEvent(self, event) painter = QPainter(self.viewport()) painter.setClipRect(event.rect()) for top, bottom, kind in sorted(lines, key=lambda (t, b, k):{'replace':0}.get(k, 1)): painter.setPen(QPen(self.diff_foregrounds[kind], 1)) painter.drawLine(0, top, w, top) painter.drawLine(0, bottom - 1, w, bottom - 1)
def paintEvent(self, event): w = self.viewport().rect().width() painter = QPainter(self.viewport()) painter.setClipRect(event.rect()) floor = event.rect().bottom() ceiling = event.rect().top() fv = self.firstVisibleBlock().blockNumber() origin = self.contentOffset() doc = self.document() lines = [] for num, text in self.headers: top, bot = num, num + 3 if bot < fv: continue y_top = self.blockBoundingGeometry( doc.findBlockByNumber(top)).translated(origin).y() y_bot = self.blockBoundingGeometry( doc.findBlockByNumber(bot)).translated(origin).y() if max(y_top, y_bot) < ceiling: continue if min(y_top, y_bot) > floor: break painter.setFont(self.heading_font) br = painter.drawText(3, y_top, w, y_bot - y_top - 5, Qt.TextSingleLine, text) painter.setPen(QPen(self.palette().text(), 2)) painter.drawLine(0, br.bottom() + 3, w, br.bottom() + 3) for top, bot, kind in self.changes: if bot < fv: continue y_top = self.blockBoundingGeometry( doc.findBlockByNumber(top)).translated(origin).y() y_bot = self.blockBoundingGeometry( doc.findBlockByNumber(bot)).translated(origin).y() if max(y_top, y_bot) < ceiling: continue if min(y_top, y_bot) > floor: break if y_top != y_bot: painter.fillRect(0, y_top, w, y_bot - y_top, self.diff_backgrounds[kind]) lines.append((y_top, y_bot, kind)) if top in self.images: img, maxw = self.images[top][:2] if bot > top + 1 and not img.isNull(): y_top = self.blockBoundingGeometry( doc.findBlockByNumber(top + 1)).translated(origin).y() + 3 y_bot -= 3 scaled, imgw, imgh = fit_image(img.width(), img.height(), w - 3, y_bot - y_top) painter.setRenderHint(QPainter.SmoothPixmapTransform, True) painter.drawPixmap(QRect(3, y_top, imgw, imgh), img) painter.end() PlainTextEdit.paintEvent(self, event) painter = QPainter(self.viewport()) painter.setClipRect(event.rect()) for top, bottom, kind in sorted(lines, key=lambda (t, b, k): {'replace': 0}.get(k, 1)): painter.setPen(QPen(self.diff_foregrounds[kind], 1)) painter.drawLine(0, top, w, top) painter.drawLine(0, bottom - 1, w, bottom - 1)