def create_pdf(source_image_file, ta_pages, config, output_filename):
"""透明なテキストと画像入りのPDFを作成するメソッド"""
print("processing pdf: {0}".format(output_filename))
is_normalized = False
# PDFまたは画像をページ分割
if re.search(r'\.pdf$', source_image_file):
images = convert_pdf_to_img(source_image_file,
dpi=config.image_resolution)
is_normalized = True
elif re.search(r'\.tiff$', source_image_file):
images = divide_tiff_image(source_image_file)
else:
print("Non-support file type. Existed!", file=sys.stderr)
sys.exit(-1)
newPdfPage = canvas.Canvas(output_filename)
newPdfPage.setPageSize(A4)
newPdfPage.saveState() # 念の為
newPdfPage.setAuthor(config.author)
newPdfPage.setTitle(config.title)
newPdfPage.setSubject(config.subject)
# 日本語用のフォントの登録（language packに含まれるもの）
pdfmetrics.registerFont(UnicodeCIDFont('HeiseiMin-W3'))
pdfmetrics.registerFont(UnicodeCIDFont('HeiseiKakuGo-W5'))
# tiff file, PDF
for i, image in enumerate(images):
print(f"start page: {i}")
print("image size: {}".format(image.size))
image_width, image_height = image.size
ratio = image_width / image_height
landscape_mode = False
page_size = {}
if ratio > 1.0:
landscape_mode = True
newPdfPage.setPageSize(landscape(A4))
page_size['width'], page_size['height'] = landscape(A4)
else:
newPdfPage.setPageSize(A4)
page_size['width'], page_size['height'] = A4
offset_y = 2.0
offset_x = -1.0
image_offset_x = 0
image_offset_y = 0
print("page size: {0}, {1}".format(page_size['width'],
page_size['height']))
with tempfile.NamedTemporaryFile(mode='w+b', suffix='.jpg') as fp:
image.save(fp.name, format='jpeg', quality=config.jpeg_quality)
if config.image_embeded:
newPdfPage.drawImage(fp.name,
0 + image_offset_x,
0 + image_offset_y,
width=page_size['width'],
height=page_size['height'],
preserveAspectRatio=True,
anchor='s')
newPdfPage.setFont(config.default_fontname, 10)
# 文字色と透明度の設定
newPdfPage.setFillColor(red, alpha=0.0)
page = ta_pages[i]
scale = 1.0
if landscape_mode:
scale = min(page_size['height'] / image_height,
page_size['width'] / image_width)
else:
scale = min(page_size['height'] / image_height,
page_size['width'] / image_width)
if is_normalized:
scale = 1.0
for block in page.blocks:
for p in block.paragraphs:
for word in p.words:
text = ''.join([t.text for t in word.symbols])
anchor_y = int(page_size['height'] * (1.0 - float(
word.bounding_box.normalized_vertices[3].y))
) + offset_y
anchor_x = int(page_size['width'] * float(
word.bounding_box.normalized_vertices[3].x)
) + offset_x
text_height = int(
page_size['height'] *
(word.bounding_box.normalized_vertices[3].y -
word.bounding_box.normalized_vertices[0].y))
font_size = text_height
newPdfPage.setFont(config.default_fontname, font_size)
newPdfPage.drawString(anchor_x, anchor_y, text)
newPdfPage.showPage()
else:
for block in page.blocks:
for p in block.paragraphs:
for w in p.words:
for node in w.symbols:
#print(node)
anchor_y = image_height - int(
node.bounding_box.vertices[3].y)
anchor_x = int(node.bounding_box.vertices[3].x)
text_height = int(
node.bounding_box.vertices[3].y) - int(
node.bounding_box.vertices[0].y)
font_size = config.font_adjustment * math.floor(
text_height / (config.image_resolution / 72))
newPdfPage.setFont(config.default_fontname,
font_size)
newPdfPage.drawString(scale * anchor_x,
scale * anchor_y, node.text)
newPdfPage.showPage()
newPdfPage.save()
def phraseSheet(self, inputFileName, outputFileName):
# Create a new canvas object to draw into
canv = canvas.Canvas(outputFileName, pagesize=A4, bottomup=0)
# Register STSong as a font. We'll use it for chinese writing
pdfmetrics.registerFont(UnicodeCIDFont('STSong-Light'))
pdfmetrics.registerFont(
TTFont('Merriweather-Bold', "Merriweather-Bold.ttf"))
# Draw header information. Name and worksheet name
self.drawOpening(canv, "汉字练习纸", "Chinese Phrase Writing Sheet")
# Where (y-coordinate) to start writing the rows and
# by how much each line should be spaced for among
# themselves (vertically).
vertPosition = self.firstPageVertPosStart
# Counter for the index of current page and number of rows
# in current page.
pageCounter = 1
# Number of phrase rows/boxes to be drawn on the current page.
# This is different for first page and inner pages.
currMaxRowPerPage = self.MaxRowsFirstPage
# Read all content of the file into a list
fp = open(inputFileName)
rows = tuple(fp)
# Draw first page's footer
self.drawFooter(canv, pageCounter,
len(rows) / 3)
# Iterate over all lines of the input file.
# lineIdx always should point to a valid verbatim phrase
# logic inside the loop access the mandarin phrase
for lineIdx in range(0, len(rows), 3):
verbText = rows[lineIdx][:-1]
mandText = rows[lineIdx + 1][:-1]
# Draw one entire phrase. One at a time.
for ind in range(0, currMaxRowPerPage):
# Each column gets progressively opaque, the little
# math below is for linearly increasing the chracter
# opacity. Furthermore, opacity cannot be lower than
# zero, therefore we take care of that too.
alpha = 1.0 - ind / 10
canv.setFillAlpha(alpha if (alpha >= 0) else 0)
# Draw one single phrase
self.drawPhraseBox(canv, vertPosition, verbText, mandText)
# Increment in horizontal offset for the next character
# box
vertPosition += self.vertIncrement
# If we did not create pages for all phrases we add a new page
if ((lineIdx + 3) != len(rows)):
# Make the just filled page to show up and start a new one
canv.showPage()
pageCounter += 1
currMaxRowPerPage = self.MaxRowsInnerPages
vertPosition = self.innerPagesVertPosStart
# Draw a footer on the recently created page
self.drawFooter(canv, pageCounter,
len(rows) / 3)
# Save PDF to file
canv.save()
def characterSheet(self, inputFileName, outputFileName):
# Create a new canvas object to draw into
canv = canvas.Canvas(outputFileName, pagesize=A4, bottomup=0)
# Register STSong as a font. We'll use it for chinese writing
pdfmetrics.registerFont(UnicodeCIDFont('STSong-Light'))
pdfmetrics.registerFont(
TTFont('Merriweather-Bold', "Merriweather-Bold.ttf"))
# Draw header information. Name and worksheet name
self.drawOpening(canv, "汉字练习纸", "Chinese Character Writing Sheet")
# Where (y-coordinate) to start writing the rows and
# by how much each line should be spaced for among
# themselves (vertically).
vertPosition = self.firstPageVertPosStart
# Counter for the index of current page and number of rows
# in current page.
pageCounter = 1
rowCounter = 0
# Read all content of the file into a list
rows = tuple(open(inputFileName))
# Draw first page's footer
self.drawFooter(canv, pageCounter, self.numPages(len(rows)))
# Iterate over all lines from input file
for line in rows:
# Extract the pinyin and the character apart
parts = line.split()
# Where (x-coordinate) to start writing the rows and
# by how much each line should be spaced for among
# themselves (horizontally).
horPosition = self.horPositionStart
# Draw one entire row of characters. One at a time.
for ind in range(0, 11):
# Each column gets progressively opaque, the little
# math below is for linearly increasing the chracter
# opacity. Furthermore, opacity cannot be lower than
# zero, therefore we take care of that too.
alpha = 1.0 - ind / 10
canv.setFillAlpha(alpha if (alpha >= 0) else 0)
# Draw one single characters
self.drawCharacterBox(canv, (horPosition, vertPosition),
parts[0], parts[1])
# Increment in horizontal offset for the next character
# box
horPosition += self.horIncrement
# Increment in horizontal offset for the next character
# box
vertPosition += self.vertIncrement
# Account for the just written character row
rowCounter += 1
# If the bottom of the page was reached, i.e., the maximum number of
# rows per page, we create a new page to draw into and reset vertical
# offsets.
if (rowCounter % self.currMaxRowPerPage == 0):
# Make the just filled page to show up and start a new one
canv.showPage()
pageCounter += 1
rowCounter = 0
currMaxRowPerPage = self.MaxRowsInnerPages
vertPosition = self.innerPagesVertPosStart
# Draw a footer on the recently created page
self.drawFooter(canv, pageCounter, self.numPages(len(rows)))
# Save PDF to file
canv.save()
def set_asian_fonts(fontname):
font_dict = copy(reportlab.pdfbase._cidfontdata.defaultUnicodeEncodings)
fonts = font_dict.keys()
if fontname in fonts:
pdfmetrics.registerFont(UnicodeCIDFont(fontname))
def set_up(fname='address.pdf'):
pdfmetrics.registerFont(UnicodeCIDFont('HeiseiMin-W3', isVertical=True))
pdfmetrics.registerFont(UnicodeCIDFont('HeiseiKakuGo-W5'))
pdf = canvas.Canvas(fname)
pdf.setPageSize((10*cm, 14.8*cm))
return pdf
# クラスのインポート
from reportlab.pdfgen import canvas
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.cidfonts import UnicodeCIDFont
import reportlab.lib.units as unit
import reportlab.lib.pagesizes as pagesizes
# フォントの登録
pdfmetrics.registerFont(UnicodeCIDFont("HeiseiKakuGo-W5"))
# PDFを作る
pdf = canvas.Canvas("example.pdf", pagesize=pagesizes.A4)
moji = "あ"
# フォントの大きさは用紙横幅と同じ210mmとする
pdf.setFont("HeiseiKakuGo-W5", 210 * unit.mm)
# 高さ
h = (297 - 210) / 2 * unit.mm
pdf.drawString(0 * unit.mm, h, moji)
pdf.save()
