Exemple #1
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def resizeImageToFit(image: wx.Image, max_width, max_height):
    r_w = max_width * 1.0 / image.GetWidth()
    r_h = max_height * 1.0 / image.GetHeight()

    r = min(r_w, r_h)
    new_width = image.GetWidth() * r
    new_height = image.GetHeight() * r

    image.Rescale(new_width, new_height)
Exemple #2
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 def convert_image(self):
     if not os.path.exists(self.image_path):
         return False
     image = Image(self.image_path, wx.BITMAP_TYPE_PNG)
     width = image.GetWidth() / 4
     height = image.GetHeight() / 4
     return image.Scale(width, height).ConvertToBitmap()
Exemple #3
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def wx_to_pil(img: wx.Image):
    '''turn a WX bitmap into a PIL image one'''
    #Make a new image setting the size
    pil_img = Image.new('RGB', (img.GetWidth(), img.GetHeight()))
    pil_img.frombytes(bytes(img.GetData()))  #Copy the data into the new image

    return pil_img  #Return that new image
 def scale_bitmap(self, image: wx.Image):
     w = image.GetWidth()
     h = image.GetHeight()
     if w > h:
         ratio = 512 / w
     else:
         ratio = 512 / h
     image = image.Scale(int(w * ratio), int(h * ratio),
                         wx.IMAGE_QUALITY_HIGH)
     result = wx.BitmapFromImage(image)
     return result
Exemple #5
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class ImagePanel(ScrolledWindow):
    MIN_SCROLL = 10

    def __init__(self, parent):
        ScrolledWindow.__init__(self, parent)

        self.wx_image = None
        self.original_bitmap = None
        self.greyscaled_bitmap = None
        self.img_path = None

        sizer = BoxSizer(VERTICAL)
        self.static_bitmap = StaticBitmap(self)
        sizer.Add(self.static_bitmap, 1, flag=FLAG_ALL_AND_EXPAND)

        self.SetSizer(sizer)

    def was_image_loaded(self):
        return (self.img_path and self.wx_image and self.original_bitmap
                and self.greyscaled_bitmap)

    def get_image_dimensions(self):
        return (self.original_bitmap.GetWidth(),
                self.original_bitmap.GetHeight())

    def load_image(self, path, area=None):
        self.Scroll(0, 0)
        self.img_path = path
        self.wx_image = Image(path, BITMAP_TYPE_ANY)
        width = self.wx_image.GetWidth()
        height = self.wx_image.GetHeight()
        if area:
            x, y, w, h = area
            bitmap = Bitmap(self.wx_image)
            bitmap_to_draw = bitmap.GetSubBitmap(Rect(x, y, w, h))

            bitmap = bitmap.ConvertToImage().ConvertToGreyscale(
                0.156, 0.308, 0.060).ConvertToBitmap()

            self.original_bitmap = self._get_bitmap(bitmap, bitmap_to_draw, x,
                                                    y, w, h, False)
        else:
            self.original_bitmap = Bitmap(self.wx_image)
        self.greyscaled_bitmap = self.original_bitmap.ConvertToImage(
        ).ConvertToGreyscale(0.209, 0.411, 0.080).ConvertToBitmap()

        self.static_bitmap.SetBitmap(self.original_bitmap)
        self.SetScrollbars(self.MIN_SCROLL, self.MIN_SCROLL,
                           width / self.MIN_SCROLL, height / self.MIN_SCROLL)

    def _get_bitmap(self, bitmap, bitmap_to_draw, x, y, w, h, draw_frame=True):
        bitmap = bitmap.GetSubBitmap(
            Rect(0, 0, bitmap.GetWidth(), bitmap.GetHeight()))

        dc = MemoryDC()
        bdc = BufferedDC(dc)
        bdc.SelectObject(bitmap)
        bdc.DrawBitmap(bitmap_to_draw, x, y)

        if draw_frame:
            # Black rect to support white pages
            bdc.SetPen(BLACK_PEN)
            bdc.SetBrush(TRANSPARENT_BRUSH)
            bdc.DrawRectangle(x, y, w, h)

            # Grey rect to support black pages
            bdc.SetPen(GREY_PEN)
            bdc.SetBrush(TRANSPARENT_BRUSH)
            bdc.DrawRectangle(x + 1, y + 1, w - 2, h - 2)

        bdc.SelectObject(NullBitmap)
        return bitmap
Exemple #6
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    def image_ratio(self, image:wx.Image):
        w = image.GetWidth()
        h = image.GetHeight()

        return w/h