Python QPainter.setPen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 setPen [as 别名]
 def paintEvent(self, event):
     canvas_size = self.rect()
     width = self.current_pixmap_size.width()
     extrax = canvas_size.width() - width
     if extrax < 0:
         extrax = 0
     x = int(extrax/2.)
     height = self.current_pixmap_size.height()
     extray = canvas_size.height() - height
     if extray < 0:
         extray = 0
     y = int(extray/2.)
     target = QRect(x, y, width, height)
     p = QPainter(self)
     p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
     try:
         dpr = self.devicePixelRatioF()
     except AttributeError:
         dpr = self.devicePixelRatio()
     spmap = self.pixmap.scaled(target.size() * dpr, Qt.KeepAspectRatio, Qt.SmoothTransformation)
     spmap.setDevicePixelRatio(dpr)
     p.drawPixmap(target, spmap)
     if gprefs['bd_overlay_cover_size']:
         sztgt = target.adjusted(0, 0, 0, -4)
         f = p.font()
         f.setBold(True)
         p.setFont(f)
         sz = u'\u00a0%d x %d\u00a0'%(self.pixmap.width(), self.pixmap.height())
         flags = Qt.AlignBottom|Qt.AlignRight|Qt.TextSingleLine
         szrect = p.boundingRect(sztgt, flags, sz)
         p.fillRect(szrect.adjusted(0, 0, 0, 4), QColor(0, 0, 0, 200))
         p.setPen(QPen(QColor(255,255,255)))
         p.drawText(sztgt, flags, sz)
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [as 别名]
 def paintEvent(self, ev):
     p = QPainter(self)
     p.setRenderHints(p.Antialiasing)
     p.setBrush(self.brush)
     p.setPen(Qt.NoPen)
     p.drawPath(self.arrow_path)
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [as 别名]
 def paintEvent(self, event):
     QWidget.paintEvent(self, event)
     pmap = self._pixmap
     if pmap.isNull():
         return
     w, h = pmap.width(), pmap.height()
     ow, oh = w, h
     cw, ch = self.rect().width(), self.rect().height()
     scaled, nw, nh = fit_image(w, h, cw, ch)
     if scaled:
         pmap = pmap.scaled(int(nw*pmap.devicePixelRatio()), int(nh*pmap.devicePixelRatio()), Qt.IgnoreAspectRatio,
                 Qt.SmoothTransformation)
     w, h = int(pmap.width()/pmap.devicePixelRatio()), int(pmap.height()/pmap.devicePixelRatio())
     x = int(abs(cw - w)/2.)
     y = int(abs(ch - h)/2.)
     target = QRect(x, y, w, h)
     p = QPainter(self)
     p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
     p.drawPixmap(target, pmap)
     if self.draw_border:
         pen = QPen()
         pen.setWidth(self.BORDER_WIDTH)
         p.setPen(pen)
         p.drawRect(target)
     if self.show_size:
         draw_size(p, target, ow, oh)
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [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 setPen [as 别名]
 def paintEvent(self, ev):
     painter = QPainter(self)
     painter.setRenderHint(QPainter.TextAntialiasing)
     f = painter.font()
     f.setBold(True)
     f.setPixelSize(self.height() - 1)
     painter.setFont(f)
     painter.setPen(QColor('red' if self.is_enabled else 'green'))
     painter.drawText(self.rect(), Qt.AlignCenter, 'Z')
     painter.end()

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

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [as 别名]
 def paintEvent(self, ev):
     br = ev.region().boundingRect()
     QWidget.paintEvent(self, ev)
     p = QPainter(self)
     p.setClipRect(br)
     f = p.font()
     f.setBold(True)
     f.setPointSize(20)
     p.setFont(f)
     p.setPen(Qt.SolidLine)
     r = QRect(0, self.dummy.geometry().top() + 10, self.geometry().width(), 150)
     p.drawText(r, Qt.AlignHCenter | Qt.AlignTop | Qt.TextSingleLine, self.text)
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [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 setPen [as 别名]
 def failed_img(self):
     if self._failed_img is None:
         i = QImage(200, 150, QImage.Format_ARGB32)
         i.fill(Qt.white)
         p = QPainter(i)
         r = i.rect().adjusted(10, 10, -10, -10)
         n = QPen(Qt.DashLine)
         n.setColor(Qt.black)
         p.setPen(n)
         p.drawRect(r)
         p.setPen(Qt.black)
         f = self.font()
         f.setPixelSize(20)
         p.setFont(f)
         p.drawText(r.adjusted(10, 0, -10, 0), Qt.AlignCenter | Qt.TextWordWrap, _('Image could not be rendered'))
         p.end()
         self._failed_img = QPixmap.fromImage(i)
     return self._failed_img

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [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 setPen [as 别名]
def calibre_cover2(title, author_string='', series_string='', prefs=None, as_qimage=False, logo_path=None):
    init_environment()
    title, subtitle, footer = '<b>' + escape_formatting(title), '<i>' + escape_formatting(series_string), '<b>' + escape_formatting(author_string)
    prefs = prefs or cprefs
    prefs = {k:prefs.get(k) for k in cprefs.defaults}
    scale = 800. / prefs['cover_height']
    scale_cover(prefs, scale)
    prefs = Prefs(**prefs)
    img = QImage(prefs.cover_width, prefs.cover_height, QImage.Format_ARGB32)
    img.fill(Qt.white)
    # colors = to_theme('ffffff ffffff 000000 000000')
    color_theme = theme_to_colors(fallback_colors)

    class CalibeLogoStyle(Style):
        NAME = GUI_NAME = 'calibre'

        def __call__(self, painter, rect, color_theme, title_block, subtitle_block, footer_block):
            top = title_block.position.y + 10
            extra_spacing = subtitle_block.line_spacing // 2 if subtitle_block.line_spacing else title_block.line_spacing // 3
            height = title_block.height + subtitle_block.height + extra_spacing + title_block.leading
            top += height + 25
            bottom = footer_block.position.y - 50
            logo = QImage(logo_path or I('library.png'))
            pwidth, pheight = rect.width(), bottom - top
            scaled, width, height = fit_image(logo.width(), logo.height(), pwidth, pheight)
            x, y = (pwidth - width) // 2, (pheight - height) // 2
            rect = QRect(x, top + y, width, height)
            painter.setRenderHint(QPainter.SmoothPixmapTransform)
            painter.drawImage(rect, logo)
            return self.ccolor1, self.ccolor1, self.ccolor1
    style = CalibeLogoStyle(color_theme, prefs)
    title_block, subtitle_block, footer_block = layout_text(
        prefs, img, title, subtitle, footer, img.height() // 3, style)
    p = QPainter(img)
    rect = QRect(0, 0, img.width(), img.height())
    colors = style(p, rect, color_theme, title_block, subtitle_block, footer_block)
    for block, color in zip((title_block, subtitle_block, footer_block), colors):
        p.setPen(color)
        block.draw(p)
    p.end()
    img.setText('Generated cover', '%s %s' % (__appname__, __version__))
    if as_qimage:
        return img
    return pixmap_to_data(img)

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [as 别名]
    def paintEvent(self, event):
        pmap = self.blank if self.pixmap is None or self.pixmap.isNull() else self.pixmap
        target = self.rect()
        scaled, width, height = fit_image(pmap.width(), pmap.height(), target.width(), target.height())
        target.setRect(target.x(), target.y(), width, height)
        p = QPainter(self)
        p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
        p.drawPixmap(target, pmap)

        if self.pixmap is not None and not self.pixmap.isNull():
            sztgt = target.adjusted(0, 0, 0, -4)
            f = p.font()
            f.setBold(True)
            p.setFont(f)
            sz = u'\u00a0%d x %d\u00a0'%(self.pixmap.width(), self.pixmap.height())
            flags = Qt.AlignBottom|Qt.AlignRight|Qt.TextSingleLine
            szrect = p.boundingRect(sztgt, flags, sz)
            p.fillRect(szrect.adjusted(0, 0, 0, 4), QColor(0, 0, 0, 200))
            p.setPen(QPen(QColor(255,255,255)))
            p.drawText(sztgt, flags, sz)
        p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [as 别名]
def generate_cover(mi, prefs=None, as_qimage=False):
    init_environment()
    prefs = prefs or cprefs
    prefs = {k:prefs.get(k) for k in cprefs.defaults}
    prefs = Prefs(**prefs)
    color_theme = random.choice(load_color_themes(prefs))
    style = random.choice(load_styles(prefs))(color_theme, prefs)
    title, subtitle, footer = format_text(mi, prefs)
    img = QImage(prefs.cover_width, prefs.cover_height, QImage.Format_ARGB32)
    title_block, subtitle_block, footer_block = layout_text(
        prefs, img, title, subtitle, footer, img.height() // 3, style)
    p = QPainter(img)
    rect = QRect(0, 0, img.width(), img.height())
    colors = style(p, rect, color_theme, title_block, subtitle_block, footer_block)
    for block, color in zip((title_block, subtitle_block, footer_block), colors):
        p.setPen(color)
        block.draw(p)
    p.end()
    img.setText('Generated cover', '%s %s' % (__appname__, __version__))
    if as_qimage:
        return img
    return pixmap_to_data(img)

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import setPen [as 别名]
def create_icon(text, palette=None, sz=32, divider=2):
    if palette is None:
        palette = QApplication.palette()
    img = QImage(sz, sz, QImage.Format_ARGB32)
    img.fill(Qt.transparent)
    p = QPainter(img)
    p.setRenderHints(p.TextAntialiasing | p.Antialiasing)
    qDrawShadeRect(p, img.rect(), palette, fill=QColor('#ffffff'), lineWidth=1, midLineWidth=1)
    f = p.font()
    f.setFamily('Liberation Sans'), f.setPixelSize(sz // divider), f.setBold(True)
    p.setFont(f), p.setPen(Qt.black)
    p.drawText(img.rect().adjusted(2, 2, -2, -2), Qt.AlignCenter, text)
    p.end()
    return QIcon(QPixmap.fromImage(img))

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