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Python QImageReader.size方法代码示例

本文整理汇总了Python中PyQt4.QtGui.QImageReader.size方法的典型用法代码示例。如果您正苦于以下问题:Python QImageReader.size方法的具体用法?Python QImageReader.size怎么用?Python QImageReader.size使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PyQt4.QtGui.QImageReader的用法示例。


在下文中一共展示了QImageReader.size方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: get_archive_wallpapers

# 需要导入模块: from PyQt4.QtGui import QImageReader [as 别名]
# 或者: from PyQt4.QtGui.QImageReader import size [as 别名]
    def get_archive_wallpapers(self):
        """
        Generator returning the date, path and copyright info (via db lookup) of each file found in the
        archive location.

        :rtype: QDate, unicode, unicode
        """
        image_reader = QImageReader()
        regex_date_split = re.compile(r'(\d{4})(\d{2})(\d{2})')

        copyright_info = self.copyright_db.get_all_info()
        archive_folder = self.settings.archive_location
        for filename in reversed([x for x in os.listdir(archive_folder) if re_archive_file.match(x)]):
            year, month, day = map(int, regex_date_split.findall(filename)[0])
            wallpaper_date = QDate(year, month, day)
            wallpaper_copyright = copyright_info.get('{0:04d}-{1:02d}-{2:02d}'.format(year, month, day), '')
            wallpaper_filename = os.path.join(unicode(archive_folder), filename)

            image_reader.setFileName(wallpaper_filename)
            image_size = image_reader.size()
            image_size.scale(QSize(200, 125), Qt.IgnoreAspectRatio)
            image_reader.setScaledSize(image_size)
            thumbnail_image = image_reader.read()
            if thumbnail_image.isNull():
                continue
            self.lw_wallpaper_history.add_item(thumbnail_image, wallpaper_date, wallpaper_copyright,
                                               archive_path=wallpaper_filename)
            self.app.processEvents()
        self.lw_wallpaper_history.sortItems(Qt.AscendingOrder)
开发者ID:se0siris,项目名称:bing-wallpaper-changer,代码行数:31,代码来源:mainwindow.py

示例2: _plat_get_dimensions

# 需要导入模块: from PyQt4.QtGui import QImageReader [as 别名]
# 或者: from PyQt4.QtGui.QImageReader import size [as 别名]
 def _plat_get_dimensions(self):
     try:
         ir = QImageReader(str(self.path))
         size = ir.size()
         if size.isValid():
             return (size.width(), size.height())
         else:
             return (0, 0)
     except EnvironmentError:
         logging.warning("Could not read image '%s'", str(self.path))
         return (0, 0)
开发者ID:astrofrog,项目名称:dupeguru,代码行数:13,代码来源:app.py

示例3: update

# 需要导入模块: from PyQt4.QtGui import QImageReader [as 别名]
# 或者: from PyQt4.QtGui.QImageReader import size [as 别名]
    def update(self):
        """ Fonction de mise à jour de la préview :
            * Si la taille de l'image est plus petite que la taille souhaité, on n'agrandi pas l'image, on prend la plus petite des deux
            * Le cache contient en index les images+size"""
        miniImg = QImage()
        image = QImageReader(self.imageName)
        self.origineSize = image.size()
        image.setQuality(self.quality)
        if not self.magnify :
            if ( ( self.size.width() + self.size.height() ) > (image.size().width() + image.size().height() ) ) :
                self.size = image.size()

        if self.keepRatio :
            image.setScaledSize(QSize(self.size.width(), image.size().height() * self.size.width() / image.size().width() ) )
        else :
            image.setScaledSize(self.size)

        if not QPixmapCache.find(self.imageName + str(self.size), self.preview) or not self.cache:
            image.read(miniImg)
            self.preview = self.preview.fromImage(miniImg)
            if self.cache :
                QPixmapCache.insert(self.imageName + str(self.size), self.preview)
开发者ID:Ptaah,项目名称:Ekd,代码行数:24,代码来源:EkdWidgets.py

示例4: image_meta_data

# 需要导入模块: from PyQt4.QtGui import QImageReader [as 别名]
# 或者: from PyQt4.QtGui.QImageReader import size [as 别名]
def image_meta_data(path):
    reader = QImageReader(path)
    if not reader.canRead():
        return ImgDataError(path, reader.error(), reader.errorString())

    img_format = reader.format()
    img_format = bytes(img_format).decode("ascii")
    size = reader.size()
    if not size.isValid():
        height = width = float("nan")
    else:
        height, width = size.height(), size.width()
    try:
        st_size = os.stat(path).st_size
    except OSError:
        st_size = -1

    return ImgData(path, img_format, height, width, st_size)
开发者ID:ajdapretnar,项目名称:orange3-imageanalytics,代码行数:20,代码来源:owimageimport.py


注:本文中的PyQt4.QtGui.QImageReader.size方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。