linly/pdf-reader-demo
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a semi functional demo

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This commit is contained in:
Aura Farmer
2024-11-05 09:50:49 +02:00
parent 5acfd3882f
commit dac9613a5f
3 changed files with 157 additions and 4 deletions
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21
reader.py
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@@ -76,6 +76,8 @@ class PDFReader:
self.output.configure(yscrollcommand=self.scrolly.set, xscrollcommand=self.scrollx.set)
# adding the canvas
self.output.grid(row=0, column=0)
self.output.rowconfigure(0, weight=1)
self.output.columnconfigure(0, weight=1)
# configuring the horizontal scrollbar to the canvas
self.scrolly.configure(command=self.output.yview)
# configuring the vertical scrollbar to the canvas
@@ -103,6 +105,12 @@ class PDFReader:
self.page_label = ttk.Label(self.bottom_frame, text='page')
# adding the label
self.page_label.grid(row=0, column=4, padx=5)
self.master.rowconfigure(0, weight=1)
self.master.columnconfigure(0, weight=1)
# self.top_frame.rowconfigure(0, weight=1)
# self.top_frame.columnconfigure(0, weight=1)
self.output.pack(fill="both", expand=True)
self.output.bind("<Configure>", self.on_resize)
# function for opening pdf files
def open_file(self):
@@ -115,9 +123,9 @@ class PDFReader:
# extracting the pdf file from the path
filename = os.path.basename(self.path)
# passing the path to PDFViewer
self.miner = PDFViewer(self.path)
self.viewer = PDFViewer(self.path)
# getting data and numPages
data, numPages = self.miner.get_metadata()
data, numPages = self.viewer.get_metadata()
# setting the current page to 0
self.current_page = 0
# checking if numPages exists
@@ -140,7 +148,7 @@ class PDFReader:
# or equal to 0
if 0 <= self.current_page < self.numPages:
# getting the page using get_page() function from miner
self.img_file = self.miner.get_page(self.current_page)
self.img_file = self.viewer.get_page(self.current_page)
# inserting the page image inside the Canvas
self.output.create_image(0, 0, anchor='nw', image=self.img_file)
# the variable to be stringified
@@ -174,6 +182,13 @@ class PDFReader:
# displaying the new page
self.display_page()
def on_resize(self, event):
# Get the new window dimensions
window_width = root.winfo_width()
window_height = root.winfo_height()
# new_height = event.height
# Update the canvas size
self.output.config(width=window_width, height=window_height)
# creating the root window using Tk() class
root = Tk()
# instantiating/creating object app for class PDFViewer