Python QPainter.restore方法代码示例

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import restore [as 别名]
    def paint_line_numbers(self, ev):
        painter = QPainter(self.line_number_area)
        painter.fillRect(ev.rect(), self.line_number_palette.color(QPalette.Base))

        block = self.firstVisibleBlock()
        num = block.blockNumber()
        top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
        bottom = top + int(self.blockBoundingRect(block).height())
        current = self.textCursor().block().blockNumber()
        painter.setPen(self.line_number_palette.color(QPalette.Text))

        while block.isValid() and top <= ev.rect().bottom():
            if block.isVisible() and bottom >= ev.rect().top():
                if current == num:
                    painter.save()
                    painter.setPen(self.line_number_palette.color(QPalette.BrightText))
                    f = QFont(self.font())
                    f.setBold(True)
                    painter.setFont(f)
                    self.last_current_lnum = (top, bottom - top)
                painter.drawText(
                    0, top, self.line_number_area.width() - 5, self.fontMetrics().height(), Qt.AlignRight, str(num + 1)
                )
                if current == num:
                    painter.restore()
            block = block.next()
            top = bottom
            bottom = top + int(self.blockBoundingRect(block).height())
            num += 1

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import restore [as 别名]
def drag_icon(self, cover, multiple):
    cover = cover.scaledToHeight(120, Qt.SmoothTransformation)
    if multiple:
        base_width = cover.width()
        base_height = cover.height()
        base = QImage(base_width+21, base_height+21,
                QImage.Format_ARGB32_Premultiplied)
        base.fill(QColor(255, 255, 255, 0).rgba())
        p = QPainter(base)
        rect = QRect(20, 0, base_width, base_height)
        p.fillRect(rect, QColor('white'))
        p.drawRect(rect)
        rect.moveLeft(10)
        rect.moveTop(10)
        p.fillRect(rect, QColor('white'))
        p.drawRect(rect)
        rect.moveLeft(0)
        rect.moveTop(20)
        p.fillRect(rect, QColor('white'))
        p.save()
        p.setCompositionMode(p.CompositionMode_SourceAtop)
        p.drawImage(rect.topLeft(), cover)
        p.restore()
        p.drawRect(rect)
        p.end()
        cover = base
    return QPixmap.fromImage(cover)

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import restore [as 别名]
    def paintEvent(self, ev):
        p = QPainter(self)
        p.setClipRect(ev.rect())
        palette = self.palette()
        p.setPen(palette.color(QPalette.WindowText))
        if not self.is_first:
            p.drawLine(0, 0, self.width(), 0)
        try:
            for row in self.rows:
                for cell in row:
                    p.save()
                    try:
                        cell.draw(p, self.width(), palette)
                    finally:
                        p.restore()

        finally:
            p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import restore [as 别名]
 def paintEvent(self, ev):
     painter = QPainter(self)
     painter.setClipRect(ev.rect())
     pal = self.palette()
     painter.fillRect(self.rect(), pal.color(pal.Base))
     painter.setFont(self.parent().font())
     painter.setPen(QPen(pal.color(pal.Text)))
     width = self.rect().width()
     for i, st, y, height in self.iter_visible_items():
         painter.save()
         if i == self.current_index:
             painter.fillRect(0, y, width, height, pal.color(pal.Highlight))
             painter.setPen(QPen(pal.color(pal.HighlightedText)))
         painter.drawStaticText(0, y, st)
         painter.restore()
     painter.end()
     if self.current_size_hint is None:
         QTimer.singleShot(0, self.layout)

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import restore [as 别名]
 def paintEvent(self, ev):
     painter = QPainter(self)
     painter.setClipRect(ev.rect())
     pal = self.palette()
     painter.fillRect(self.rect(), pal.color(pal.Text))
     crect = self.rect().adjusted(1, 1, -1, -1)
     painter.fillRect(crect, pal.color(pal.Base))
     painter.setClipRect(crect)
     painter.setFont(self.parent().font())
     width = self.rect().width()
     for i, st, y, height in self.iter_visible_items():
         painter.save()
         if i == self.current_index:
             painter.fillRect(1, y, width, height, pal.color(pal.Highlight))
             color = pal.color(QPalette.HighlightedText).name()
             st = QStaticText(st)
             text = st.text().partition('>')[2]
             st.setText('<span style="color: %s">%s' % (color, text))
         painter.drawStaticText(self.SIDE_MARGIN, y, st)
         painter.restore()
     painter.end()
     if self.current_size_hint is None:
         QTimer.singleShot(0, self.layout)

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import restore [as 别名]
    def paint_line_numbers(self, ev):
        painter = QPainter(self.line_number_area)
        painter.fillRect(ev.rect(), self.line_number_palette.color(QPalette.Base))

        block = self.firstVisibleBlock()
        num = block.blockNumber()
        top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
        bottom = top + int(self.blockBoundingRect(block).height())
        painter.setPen(self.line_number_palette.color(QPalette.Text))
        change_starts = {x[0] for x in self.changes}

        while block.isValid() and top <= ev.rect().bottom():
            r = ev.rect()
            if block.isVisible() and bottom >= r.top():
                text = unicode(self.line_number_map.get(num, ''))
                is_start = text != '-' and num in change_starts
                if is_start:
                    painter.save()
                    f = QFont(self.font())
                    f.setBold(True)
                    painter.setFont(f)
                    painter.setPen(self.line_number_palette.color(QPalette.BrightText))
                if text == '-':
                    painter.drawLine(r.left() + 2, (top + bottom)//2, r.right() - 2, (top + bottom)//2)
                else:
                    if self.right:
                        painter.drawText(r.left() + 3, top, r.right(), self.fontMetrics().height(),
                                Qt.AlignLeft, text)
                    else:
                        painter.drawText(r.left() + 2, top, r.right() - 5, self.fontMetrics().height(),
                                Qt.AlignRight, text)
                if is_start:
                    painter.restore()
            block = block.next()
            top = bottom
            bottom = top + int(self.blockBoundingRect(block).height())
            num += 1

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import restore [as 别名]

#.........这里部分代码省略.........
        if self.header and opts.margin_top < min_margin:
            self.log.warn('Top margin is too small for header, increasing it to %.1fpts' % min_margin)
            opts.margin_top = min_margin

        self.page.setViewportSize(QSize(self.doc.width(), self.doc.height()))
        self.render_queue = items
        self.total_items = len(items)

        mt, mb = map(self.doc.to_px, (opts.margin_top, opts.margin_bottom))
        self.margin_top, self.margin_bottom = map(lambda x:int(floor(x)), (mt, mb))

        self.painter = QPainter(self.doc)
        self.doc.set_metadata(title=pdf_metadata.title,
                              author=pdf_metadata.author,
                              tags=pdf_metadata.tags, mi=pdf_metadata.mi)
        self.doc_title = pdf_metadata.title
        self.doc_author = pdf_metadata.author
        self.painter.save()
        try:
            if self.cover_data is not None:
                p = QPixmap()
                try:
                    p.loadFromData(self.cover_data)
                except TypeError:
                    self.log.warn('This ebook does not have a raster cover, cannot generate cover for PDF'
                                  '. Cover type: %s' % type(self.cover_data))
                if not p.isNull():
                    self.doc.init_page()
                    draw_image_page(QRect(*self.doc.full_page_rect),
                            self.painter, p,
                            preserve_aspect_ratio=self.opts.preserve_cover_aspect_ratio)
                    self.doc.end_page()
        finally:
            self.painter.restore()

        QTimer.singleShot(0, self.render_book)
        if self.loop.exec_() == 1:
            raise Exception('PDF Output failed, see log for details')

        if self.toc is not None and len(self.toc) > 0:
            self.doc.add_outline(self.toc)

        self.painter.end()

        if self.doc.errors_occurred:
            raise Exception('PDF Output failed, see log for details')

    def render_inline_toc(self):
        self.rendered_inline_toc = True
        from calibre.ebooks.pdf.render.toc import toc_as_html
        raw = toc_as_html(self.toc, self.doc, self.opts)
        pt = PersistentTemporaryFile('_pdf_itoc.htm')
        pt.write(raw)
        pt.close()
        self.render_queue.append(pt.name)
        self.render_next()

    def render_book(self):
        if self.doc.errors_occurred:
            return self.loop.exit(1)
        try:
            if not self.render_queue:
                if self.opts.pdf_add_toc and self.toc is not None and len(self.toc) > 0 and not hasattr(self, 'rendered_inline_toc'):
                    return self.render_inline_toc()
                self.loop.exit()
            else:

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import restore [as 别名]

#.........这里部分代码省略.........
        self.page.setViewportSize(QSize(self.doc.width(), self.doc.height()))
        self.render_queue = items
        self.total_items = len(items)

        mt, mb = map(self.doc.to_px, (mt, mb))
        self.margin_top, self.margin_bottom = map(lambda x:int(floor(x)), (mt, mb))

        self.painter = QPainter(self.doc)
        try:
            self.book_language = pdf_metadata.mi.languages[0]
        except Exception:
            self.book_language = 'eng'
        self.doc.set_metadata(title=pdf_metadata.title,
                              author=pdf_metadata.author,
                              tags=pdf_metadata.tags, mi=pdf_metadata.mi)
        self.doc_title = pdf_metadata.title
        self.doc_author = pdf_metadata.author
        self.painter.save()
        try:
            if self.cover_data is not None:
                p = QPixmap()
                try:
                    p.loadFromData(self.cover_data)
                except TypeError:
                    self.log.warn('This ebook does not have a raster cover, cannot generate cover for PDF'
                                  '. Cover type: %s' % type(self.cover_data))
                if not p.isNull():
                    self.doc.init_page()
                    draw_image_page(QRect(*self.doc.full_page_rect),
                            self.painter, p,
                            preserve_aspect_ratio=self.opts.preserve_cover_aspect_ratio)
                    self.doc.end_page()
        finally:
            self.painter.restore()

        QTimer.singleShot(0, self.render_book)
        if self.loop.exec_() == 1:
            raise Exception('PDF Output failed, see log for details')

        if self.toc is not None and len(self.toc) > 0:
            self.doc.add_outline(self.toc)

        self.painter.end()

        if self.doc.errors_occurred:
            raise Exception('PDF Output failed, see log for details')

    def render_inline_toc(self):
        evaljs = self.view.page().mainFrame().evaluateJavaScript
        self.rendered_inline_toc = True
        from calibre.ebooks.pdf.render.toc import toc_as_html
        raw = toc_as_html(self.toc, self.doc, self.opts, evaljs)
        pt = PersistentTemporaryFile('_pdf_itoc.htm')
        pt.write(raw)
        pt.close()
        self.render_queue.append(pt.name)
        self.render_next()

    def render_book(self):
        if self.doc.errors_occurred:
            return self.loop.exit(1)
        try:
            if not self.render_queue:
                if self.opts.pdf_add_toc and self.toc is not None and len(self.toc) > 0 and not hasattr(self, 'rendered_inline_toc'):
                    return self.render_inline_toc()
                self.loop.exit()