def __init__(self, stream, page_size, compress=False, mark_links=False, debug=print): self.stream = HashingStream(stream) self.compress = compress self.write_line(PDFVER) self.write_line(b'%íì¦"') creator = ('%s %s [http://calibre-ebook.com]'%(__appname__, __version__)) self.write_line('%% Created by %s'%creator) self.objects = IndirectObjects() self.objects.add(PageTree(page_size)) self.objects.add(Catalog(self.page_tree)) self.current_page = Page(self.page_tree, compress=self.compress) self.info = Dictionary({ 'Creator':String(creator), 'Producer':String(creator), 'CreationDate': utcnow(), }) self.stroke_opacities, self.fill_opacities = {}, {} self.font_manager = FontManager(self.objects, self.compress) self.image_cache = {} self.pattern_cache, self.shader_cache = {}, {} self.debug = debug self.links = Links(self, mark_links, page_size) i = QImage(1, 1, QImage.Format_ARGB32) i.fill(qRgba(0, 0, 0, 255)) self.alpha_bit = i.constBits().asstring(4).find(b'\xff')
def __init__( self, file_object, page_width, page_height, left_margin, top_margin, right_margin, bottom_margin, width, height, errors=print, debug=print, compress=True, ): QPaintEngine.__init__(self, self.features) self.file_object = file_object self.compress = compress self.page_height, self.page_width = page_height, page_width self.left_margin, self.top_margin = left_margin, top_margin self.right_margin, self.bottom_margin = right_margin, bottom_margin self.pixel_width, self.pixel_height = width, height # Setup a co-ordinate transform that allows us to use co-ords # from Qt's pixel based co-ordinate system with its origin at the top # left corner. PDF's co-ordinate system is based on pts and has its # origin in the bottom left corner. We also have to implement the page # margins. Therefore, we need to translate, scale and reflect about the # x-axis. dy = self.page_height - self.top_margin dx = self.left_margin sx = (self.page_width - self.left_margin - self.right_margin) / self.pixel_width sy = (self.page_height - self.top_margin - self.bottom_margin) / self.pixel_height self.pdf_system = QTransform(sx, 0, 0, -sy, dx, dy) self.do_stroke = True self.do_fill = False self.scale = sqrt(sy ** 2 + sx ** 2) self.xscale, self.yscale = sx, sy self.graphics_state = GraphicsState() self.errors_occurred = False self.errors, self.debug = errors, debug self.text_option = QTextOption() self.text_option.setWrapMode(QTextOption.NoWrap) self.fonts = {} i = QImage(1, 1, QImage.Format_ARGB32) i.fill(qRgba(0, 0, 0, 255)) self.alpha_bit = i.constBits().asstring(4).find(b"\xff") self.current_page_num = 1 self.current_page_inited = False