forked from josch/plakativ
add PageSizeWidget
This commit is contained in:
parent
9f369fd22a
commit
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GPG key ID:
F2CBA5C78FBD83E1
1 changed files with 191 additions and 94 deletions
285
plakativ.py
285
plakativ.py
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@ -80,12 +80,18 @@ class Plakativ:
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return pix.getImageData("ppm")
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def compute_layout(
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self, mode, size=None, mult=None, npages=None, border=(0, 0, 0, 0)
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self,
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mode,
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postersize=None,
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mult=None,
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npages=None,
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pagesize=(210, 297),
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border=(0, 0, 0, 0),
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):
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border_top, border_right, border_bottom, border_left = border
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self.layout = {
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"output_pagesize": PAGE_SIZES["A4 (21.0 cm × 29.7 cm)"],
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"output_pagesize": pagesize,
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"border_top": border_top,
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"border_right": border_right,
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"border_bottom": border_bottom,
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@ -104,10 +110,10 @@ class Plakativ:
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if mode in ["size", "mult"]:
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if mode == "size":
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# fit the input page size into the selected postersize
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poster_width = size[0]
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poster_width = postersize[0]
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poster_height = (poster_width * inpage_height) / inpage_width
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if poster_height > size[1]:
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poster_height = size[1]
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if poster_height > postersize[1]:
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poster_height = postersize[1]
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poster_width = (poster_height * inpage_width) / inpage_height
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elif mode == "mult":
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area = inpage_width * inpage_height * mult
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@ -221,15 +227,15 @@ class Plakativ:
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mult = (poster_width * poster_height) / (inpage_width * inpage_height)
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npages = pages_x * pages_y
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elif mode == "mult":
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size = poster_width, poster_height
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postersize = poster_width, poster_height
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npages = pages_x * pages_y
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elif mode == "npages":
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size = poster_width, poster_height
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postersize = poster_width, poster_height
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mult = (poster_width * poster_height) / (inpage_width * inpage_height)
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else:
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raise Exception("unsupported mode: %s" % mode)
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return size, mult, npages
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return postersize, mult, npages
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def render(self, outfile):
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if not hasattr(self, "layout"):
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@ -453,72 +459,17 @@ class Application(tkinter.Frame):
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)
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input_range_entry.grid(row=3, column=1, sticky=tkinter.W)
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pagesize_group = tkinter.LabelFrame(
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frame1.interior, text="Size of output pages"
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)
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pagesize_group.pack(fill=tkinter.X)
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pagesize_fixed = tkinter.StringVar()
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if not hasattr(self, "plakativ"):
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pagesize_fixed.set("")
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else:
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pagesize_fixed.set(
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dict(zip(PAGE_SIZES.values(), PAGE_SIZES.keys()))[
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self.plakativ.pagesize
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]
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)
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pagesize_options = OptionMenu(
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pagesize_group,
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pagesize_fixed,
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*PAGE_SIZES.keys(),
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command=self.on_select_pagesize,
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state=tkinter.DISABLED if not hasattr(self, "plakativ") else tkinter.NORMAL
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)
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pagesize_options.grid(row=1, column=0, columnspan=3, sticky=tkinter.W)
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label_pagesize_width = tkinter.Label(
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pagesize_group, text="Width:", state=tkinter.DISABLED
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)
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label_pagesize_width.grid(row=2, column=0, sticky=tkinter.W)
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pagesize_width = tkinter.Spinbox(
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pagesize_group,
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format="%.2f",
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increment=0.01,
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from_=0,
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to=100,
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width=5,
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state=tkinter.DISABLED,
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)
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pagesize_width.grid(row=2, column=1, sticky=tkinter.W)
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label_pagesize_width_mm = tkinter.Label(
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pagesize_group, text="mm", state=tkinter.DISABLED
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)
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label_pagesize_width_mm.grid(row=2, column=2, sticky=tkinter.W)
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label_pagesize_height = tkinter.Label(
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pagesize_group, text="Height:", state=tkinter.DISABLED
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)
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label_pagesize_height.grid(row=3, column=0, sticky=tkinter.W)
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pagesize_height = tkinter.Spinbox(
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pagesize_group,
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format="%.2f",
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increment=0.01,
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from_=0,
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to=100,
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width=5,
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state=tkinter.DISABLED,
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)
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pagesize_height.grid(row=3, column=1, sticky=tkinter.W)
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label_pagesize_height_mm = tkinter.Label(
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pagesize_group, text="mm", state=tkinter.DISABLED
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)
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label_pagesize_height_mm.grid(row=3, column=2, sticky=tkinter.W)
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self.border = BorderWidget(frame1.interior)
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self.border.pack(fill=tkinter.X)
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self.border.set(20.0, 20.0, 20.0, 20.0)
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self.pagesize = PageSizeWidget(frame1.interior)
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self.pagesize.pack(fill=tkinter.X)
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self.pagesize.set(False, (210, 297))
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if hasattr(self, "plakativ"):
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self.postersize.callback = self.on_border
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self.postersize.callback = self.on_pagesize
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self.bordersize = BorderSizeWidget(frame1.interior)
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self.bordersize.pack(fill=tkinter.X)
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self.bordersize.set(20.0, 20.0, 20.0, 20.0)
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if hasattr(self, "plakativ"):
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self.postersize.callback = self.on_bordersize
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self.postersize = PostersizeWidget(frame1.interior)
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self.postersize.pack(fill=tkinter.X)
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@ -578,28 +529,35 @@ class Application(tkinter.Frame):
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)
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quit_button.pack(side=tkinter.RIGHT, expand=tkinter.TRUE, fill=tkinter.X)
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def on_postersize(self, value):
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mode, (custom_size, size), mult, npages = value
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border = self.border.value
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size, mult, npages = self.plakativ.compute_layout(
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mode, size, mult, npages, border
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)
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self.draw()
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return (mode, (custom_size, size), mult, npages)
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def on_border(self, value):
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def on_pagesize(self, value):
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_, pagesize = value
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mode, (custom_size, size), mult, npages = self.postersize.value
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bordersize = self.bordersize.value
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size, mult, npages = self.plakativ.compute_layout(
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mode, size, mult, npages, value
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mode, size, mult, npages, pagesize, bordersize
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)
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self.postersize.set(mode, (custom_size, size), mult, npages)
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self.draw()
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def on_select_pagesize(self, value):
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self.posterizer.pagesize = PAGE_SIZES[value]
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self.posterizer.compute_layout()
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def on_bordersize(self, value):
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_, pagesize = self.pagesize.value
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mode, (custom_size, size), mult, npages = self.postersize.value
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size, mult, npages = self.plakativ.compute_layout(
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mode, size, mult, npages, pagesize, value
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)
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self.postersize.set(mode, (custom_size, size), mult, npages)
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self.draw()
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def on_postersize(self, value):
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mode, (custom_size, size), mult, npages = value
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_, pagesize = self.pagesize.value
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border = self.bordersize.value
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size, mult, npages = self.plakativ.compute_layout(
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mode, size, mult, npages, pagesize, border
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)
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self.draw()
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return (mode, (custom_size, size), mult, npages)
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def on_resize(self, event):
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self.canvas_size = (event.width, event.height)
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self.draw()
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@ -609,6 +567,12 @@ class Application(tkinter.Frame):
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self.canvas.delete(tkinter.ALL)
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if not hasattr(self, "plakativ"):
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self.canvas.create_text(
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self.canvas_size[0] / 2,
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self.canvas_size[1] / 2,
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text="Click on the \"Open PDF\" button in the upper right.",
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fill="white",
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)
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return
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canvas_padding = 10
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@ -708,9 +672,10 @@ class Application(tkinter.Frame):
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self.plakativ = Plakativ(self.filename)
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# compute the splitting with the current values
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mode, (custom_size, size), mult, npages = self.postersize.value
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border = self.border.value
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_, pagesize = self.pagesize.value
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border = self.bordersize.value
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size, mult, npages = self.plakativ.compute_layout(
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mode, size, mult, npages, border
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mode, size, mult, npages, pagesize, border
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)
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# update postersize widget
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self.postersize.set(mode, (custom_size, size), mult, npages)
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@ -719,8 +684,9 @@ class Application(tkinter.Frame):
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# enable save button
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self.save_button.configure(state=tkinter.NORMAL)
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# set callback function
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self.pagesize.callback = self.on_pagesize
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self.bordersize.callback = self.on_bordersize
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self.postersize.callback = self.on_postersize
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self.border.callback = self.on_border
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def on_save_button(self):
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base, ext = os.path.splitext(os.path.basename(self.filename))
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@ -737,7 +703,131 @@ class Application(tkinter.Frame):
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self.plakativ.render(filename)
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class BorderWidget(tkinter.LabelFrame):
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class PageSizeWidget(tkinter.LabelFrame):
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def __init__(self, parent, *args, **kw):
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tkinter.LabelFrame.__init__(
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self, parent, text="Size of output pages", *args, **kw
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)
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self.callback = None
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self.variables = {
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"dropdown": tkinter.StringVar(),
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"width": tkinter.DoubleVar(),
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"height": tkinter.DoubleVar(),
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}
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for k, v in self.variables.items():
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# need to pass k and v as function arguments so that their value
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# does not get overwritten each loop iteration
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def callback(varname, idx, op, k_copy=k, v_copy=v):
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assert op == "w"
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getattr(self, "on_" + k_copy)(v_copy.get())
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v.trace("w", callback)
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OptionMenu(self, self.variables["dropdown"], *PAGE_SIZES.keys()).grid(
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row=1, column=0, columnspan=3, sticky=tkinter.W
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)
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tkinter.Label(
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self, text="Width:", state=tkinter.DISABLED, name="size_label_width"
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).grid(row=2, column=0, sticky=tkinter.W)
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tkinter.Spinbox(
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self,
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format="%.2f",
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increment=0.01,
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from_=0,
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to=100,
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width=5,
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state=tkinter.DISABLED,
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name="spinbox_width",
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textvariable=self.variables["width"],
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).grid(row=2, column=1, sticky=tkinter.W)
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tkinter.Label(
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self, text="mm", state=tkinter.DISABLED, name="size_label_width_mm"
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).grid(row=2, column=2, sticky=tkinter.W)
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tkinter.Label(
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self, text="Height:", state=tkinter.DISABLED, name="size_label_height"
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).grid(row=3, column=0, sticky=tkinter.W)
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tkinter.Spinbox(
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self,
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format="%.2f",
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increment=0.01,
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from_=0,
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to=100,
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width=5,
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state=tkinter.DISABLED,
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name="spinbox_height",
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textvariable=self.variables["height"],
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).grid(row=3, column=1, sticky=tkinter.W)
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tkinter.Label(
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self, text="mm", state=tkinter.DISABLED, name="size_label_height_mm"
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).grid(row=3, column=2, sticky=tkinter.W)
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def on_dropdown(self, value):
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custom_size, size = self.value
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if value == "custom":
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custom_size = True
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else:
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custom_size = False
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size = PAGE_SIZES[value]
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self.set(custom_size, size)
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def on_width(self, value):
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if getattr(self, "value", None) is None:
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return
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custom_size, (_, height) = self.value
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self.set(custom_size, (value, height))
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def on_height(self, value):
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if getattr(self, "value", None) is None:
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return
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custom_size, (width, _) = self.value
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self.set(custom_size, (width, value))
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def set(self, custom_size, pagesize):
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# before setting self.value, check if the effective value is different
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# from before or otherwise we do not need to execute the callback in
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# the end
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state_changed = True
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if getattr(self, "value", None) is not None:
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state_changed = self.value != (custom_size, pagesize)
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# execute callback if necessary
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if state_changed and self.callback is not None:
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self.callback((custom_size, pagesize))
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self.value = (custom_size, pagesize)
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width, height = pagesize
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if custom_size:
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self.nametowidget("size_label_width").configure(state=tkinter.NORMAL)
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self.nametowidget("spinbox_width").configure(state=tkinter.NORMAL)
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self.nametowidget("size_label_width_mm").configure(state=tkinter.NORMAL)
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self.nametowidget("size_label_height").configure(state=tkinter.NORMAL)
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self.nametowidget("spinbox_height").configure(state=tkinter.NORMAL)
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self.nametowidget("size_label_height_mm").configure(state=tkinter.NORMAL)
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else:
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self.nametowidget("size_label_width").configure(state=tkinter.DISABLED)
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self.nametowidget("spinbox_width").configure(state=tkinter.DISABLED)
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self.nametowidget("size_label_width_mm").configure(state=tkinter.DISABLED)
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self.nametowidget("size_label_height").configure(state=tkinter.DISABLED)
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self.nametowidget("spinbox_height").configure(state=tkinter.DISABLED)
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self.nametowidget("size_label_height_mm").configure(state=tkinter.DISABLED)
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# only set variables that changed to not trigger multiple variable tracers
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if custom_size:
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if self.variables["dropdown"].get() != "custom":
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self.variables["dropdown"].set("custom")
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else:
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val = dict(zip(PAGE_SIZES.values(), PAGE_SIZES.keys()))[(width, height)]
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if self.variables["dropdown"].get() != val:
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self.variables["dropdown"].set(val)
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if self.variables["width"].get() != width:
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self.variables["width"].set(width)
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if self.variables["height"].get() != height:
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self.variables["height"].set(height)
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class BorderSizeWidget(tkinter.LabelFrame):
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def __init__(self, parent, *args, **kw):
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tkinter.LabelFrame.__init__(
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self, parent, text="Output Borders/Overlap", *args, **kw
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@ -859,7 +949,7 @@ class PostersizeWidget(tkinter.LabelFrame):
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self.variables["dropdown"],
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*PAGE_SIZES.keys(),
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# state=tkinter.DISABLED,
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name="size_dropdown"
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name="size_dropdown",
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).grid(row=1, column=0, columnspan=3, sticky=tkinter.W, padx=(27, 0))
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tkinter.Label(
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@ -1042,10 +1132,17 @@ class PostersizeWidget(tkinter.LabelFrame):
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def compute_layout(
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infile, outfile, mode, size=None, mult=None, npages=None, border=(0, 0, 0, 0)
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infile,
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outfile,
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mode,
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size=None,
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mult=None,
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npages=None,
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pagesize=(210, 297),
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border=(0, 0, 0, 0),
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):
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plakativ = Plakativ(infile)
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plakativ.compute_layout(mode, size, mult, npages, border)
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plakativ.compute_layout(mode, size, mult, npages, pagesize, border)
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plakativ.render(outfile)
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