Python QPainter.save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 save [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 save [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 save [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 save [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 save [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 save [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 save [as 别名]
class PDFWriter(QObject):

    def _pass_json_value_getter(self):
        val = json.dumps(self.bridge_value)
        return val

    def _pass_json_value_setter(self, value):
        self.bridge_value = json.loads(unicode(value))

    _pass_json_value = pyqtProperty(str, fget=_pass_json_value_getter,
            fset=_pass_json_value_setter)

    @pyqtSlot(result=unicode)
    def title(self):
        return self.doc_title

    @pyqtSlot(result=unicode)
    def author(self):
        return self.doc_author

    @pyqtSlot(result=unicode)
    def section(self):
        return self.current_section

    @pyqtSlot(result=unicode)
    def tl_section(self):
        return self.current_tl_section

    def __init__(self, opts, log, cover_data=None, toc=None):
        from calibre.gui2 import must_use_qt
        must_use_qt()
        QObject.__init__(self)

        self.logger = self.log = log
        self.opts = opts
        self.cover_data = cover_data
        self.paged_js = None
        self.toc = toc

        self.loop = QEventLoop()
        self.view = QWebView()
        self.page = Page(opts, self.log)
        self.view.setPage(self.page)
        self.view.setRenderHints(QPainter.Antialiasing|
                    QPainter.TextAntialiasing|QPainter.SmoothPixmapTransform)
        self.view.loadFinished.connect(self.render_html,
                type=Qt.QueuedConnection)
        for x in (Qt.Horizontal, Qt.Vertical):
            self.view.page().mainFrame().setScrollBarPolicy(x,
                    Qt.ScrollBarAlwaysOff)
        self.report_progress = lambda x, y: x
        self.current_section = ''
        self.current_tl_section = ''

    def dump(self, items, out_stream, pdf_metadata):
        opts = self.opts
        page_size = get_page_size(self.opts)
        xdpi, ydpi = self.view.logicalDpiX(), self.view.logicalDpiY()
        # We cannot set the side margins in the webview as there is no right
        # margin for the last page (the margins are implemented with
        # -webkit-column-gap)
        ml, mr = opts.margin_left, opts.margin_right
        self.doc = PdfDevice(out_stream, page_size=page_size, left_margin=ml,
                             top_margin=0, right_margin=mr, bottom_margin=0,
                             xdpi=xdpi, ydpi=ydpi, errors=self.log.error,
                             debug=self.log.debug, compress=not
                             opts.uncompressed_pdf, opts=opts,
                             mark_links=opts.pdf_mark_links)
        self.footer = opts.pdf_footer_template
        if self.footer:
            self.footer = self.footer.strip()
        if not self.footer and opts.pdf_page_numbers:
            self.footer = '<p style="text-align:center; text-indent: 0">_PAGENUM_</p>'
        self.header = opts.pdf_header_template
        if self.header:
            self.header = self.header.strip()
        min_margin = 1.5 * opts._final_base_font_size
        if self.footer and opts.margin_bottom < min_margin:
            self.log.warn('Bottom margin is too small for footer, increasing it to %.1fpts' % min_margin)
            opts.margin_bottom = min_margin
        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:
#.........这里部分代码省略.........

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import save [as 别名]
class PDFWriter(QObject):

    @pyqtSlot(result=unicode)
    def title(self):
        return self.doc_title

    @pyqtSlot(result=unicode)
    def author(self):
        return self.doc_author

    @pyqtSlot(result=unicode)
    def section(self):
        return self.current_section

    @pyqtSlot(result=unicode)
    def tl_section(self):
        return self.current_tl_section

    def __init__(self, opts, log, cover_data=None, toc=None):
        from calibre.gui2 import must_use_qt
        must_use_qt()
        QObject.__init__(self)

        self.logger = self.log = log
        current_log(log)
        self.opts = opts
        self.cover_data = cover_data
        self.paged_js = None
        self.toc = toc

        self.loop = QEventLoop()
        self.view = QWebView()
        self.page = Page(opts, self.log)
        self.view.setPage(self.page)
        self.view.setRenderHints(QPainter.Antialiasing|QPainter.TextAntialiasing|QPainter.SmoothPixmapTransform)
        self.view.loadFinished.connect(self.render_html,
                type=Qt.QueuedConnection)
        for x in (Qt.Horizontal, Qt.Vertical):
            self.view.page().mainFrame().setScrollBarPolicy(x,
                    Qt.ScrollBarAlwaysOff)
        self.report_progress = lambda x, y: x
        self.current_section = ''
        self.current_tl_section = ''

    def dump(self, items, out_stream, pdf_metadata):
        opts = self.opts
        page_size = get_page_size(self.opts)
        xdpi, ydpi = self.view.logicalDpiX(), self.view.logicalDpiY()

        def margin(which):
            val = getattr(opts, 'pdf_page_margin_' + which)
            if val == 0.0:
                val = getattr(opts, 'margin_' + which)
            return val
        ml, mr, mt, mb = map(margin, 'left right top bottom'.split())
        # We cannot set the side margins in the webview as there is no right
        # margin for the last page (the margins are implemented with
        # -webkit-column-gap)
        self.doc = PdfDevice(out_stream, page_size=page_size, left_margin=ml,
                             top_margin=0, right_margin=mr, bottom_margin=0,
                             xdpi=xdpi, ydpi=ydpi, errors=self.log.error,
                             debug=self.log.debug, compress=not
                             opts.uncompressed_pdf, opts=opts,
                             mark_links=opts.pdf_mark_links, page_margins=(ml, mr, mt, mb))
        self.footer = opts.pdf_footer_template
        if self.footer:
            self.footer = self.footer.strip()
        if not self.footer and opts.pdf_page_numbers:
            self.footer = '<p style="text-align:center; text-indent: 0">_PAGENUM_</p>'
        self.header = opts.pdf_header_template
        if self.header:
            self.header = self.header.strip()
        min_margin = 1.5 * opts._final_base_font_size
        if self.footer and mb < min_margin:
            self.log.warn('Bottom margin is too small for footer, increasing it to %.1fpts' % min_margin)
            mb = min_margin
        if self.header and mt < min_margin:
            self.log.warn('Top margin is too small for header, increasing it to %.1fpts' % min_margin)
            mt = 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, (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:
#.........这里部分代码省略.........