Python Image 模块，ROTATE_90 实例源码

def getmask2(self, text, mode="", fill=Image.core.fill):
        size, offset = self.font.getsize(text)
        im = fill("L", size, 0)
        self.font.render(text, im.id, mode=="1")
        return im, offset

##
# Wrapper that creates a transposed font from any existing font
# object.
#
# @param font A font object.
# @param orientation An optional orientation.  If given, this should
#     be one of Image.FLIP_LEFT_RIGHT, Image.FLIP_TOP_BOTTOM,
#     Image.ROTATE_90, Image.ROTATE_180, or Image.ROTATE_270.

def getsize(self, text):
        w, h = self.font.getsize(text)
        if self.orientation in (Image.ROTATE_90, Image.ROTATE_270):
            return h, w
        return w, h

def draw_rotated_text(self, image, text, position, angle, font, fill=(255,255,255), display = True):
        draw = ImageDraw.Draw(image)
        width, height = draw.textsize(text, font=font)
        textimage = Image.new('RGBA', (width, height), (0,0,0,0))
        textdraw = ImageDraw.Draw(textimage)
        textdraw.text((0,0), text, font=font, fill=fill)
        if angle == - 90: textimage = textimage.transpose(Image.ROTATE_270)
        if angle == -180: textimage = textimage.transpose(Image.ROTATE_180)
        if angle == -270: textimage = textimage.transpose(Image.ROTATE_90)
        image.paste(textimage, position, textimage)
        if(display):
            self.disp.display()

    ## Determines the width of the screen based on rotation (Experienced users)
    #  @param self The object pointer.

def fillImgArray(self, x, y, width, height, image, display = True):
        buff = self.disp.buffer
        actx = self.screenXFromImageCoords(x,y)
        acty = self.screenYFromImageCoords(x,y)

        image = Image.fromarray(image)

        image = image.resize((width,height), Image.ANTIALIAS)

        cr = self.currentRotation
        if(cr == 1):
            actx -= height
            image = image.transpose(Image.ROTATE_270)
        if(cr == 2):
            acty -= height
            actx -= width
            image = image.transpose(Image.ROTATE_180)
        if(cr == 3):
            acty -= width
            image = image.transpose(Image.ROTATE_90)

        buff.paste(image, (actx,acty))
        if(display):
            self.disp.display()

    ## Rotates the screen orientation 90 degrees to the right (-90 degrees)
    #  @param self The object pointer.
    #  @remark
    #  To use this function in your program:
    #  @code
    #  ...
    #  screen.rotateRight()
    #  @endcode

def getmask2(self, text, mode="", fill=Image.core.fill):
        size, offset = self.font.getsize(text)
        im = fill("L", size, 0)
        self.font.render(text, im.id, mode=="1")
        return im, offset

##
# Wrapper that creates a transposed font from any existing font
# object.
#
# @param font A font object.
# @param orientation An optional orientation.  If given, this should
#     be one of Image.FLIP_LEFT_RIGHT, Image.FLIP_TOP_BOTTOM,
#     Image.ROTATE_90, Image.ROTATE_180, or Image.ROTATE_270.

def getsize(self, text):
        w, h = self.font.getsize(text)
        if self.orientation in (Image.ROTATE_90, Image.ROTATE_270):
            return h, w
        return w, h

def getmask2(self, text, mode="", fill=Image.core.fill):
        size, offset = self.font.getsize(text)
        im = fill("L", size, 0)
        self.font.render(text, im.id, mode=="1")
        return im, offset

##
# Wrapper that creates a transposed font from any existing font
# object.
#
# @param font A font object.
# @param orientation An optional orientation.  If given, this should
#     be one of Image.FLIP_LEFT_RIGHT, Image.FLIP_TOP_BOTTOM,
#     Image.ROTATE_90, Image.ROTATE_180, or Image.ROTATE_270.

def getsize(self, text):
        w, h = self.font.getsize(text)
        if self.orientation in (Image.ROTATE_90, Image.ROTATE_270):
            return h, w
        return w, h

def fillBmp(self, x, y, width, height, path = "/usr/local/mindsensors/images/Pane1.png", display = True):
        buff = self.disp.buffer
        actx = self.screenXFromImageCoords(x,y)
        acty = self.screenYFromImageCoords(x,y)
        # if the caller only provided icon name, assume it is in our system repository
        if (path[0] != "/"):
            path = "/usr/local/mindsensors/images/" + path

        # if the image is missing, use a default X image.
        if (os.path.isfile(path)):
            image = Image.open(path)
        else:
            image = Image.open("/usr/local/mindsensors/images/missing.png")

        image = image.resize((width,height), Image.ANTIALIAS)

        cr = self.currentRotation
        if(cr == 1):
            actx -= height
            image = image.transpose(Image.ROTATE_270)
        if(cr == 2):
            acty -= height
            actx -= width
            image = image.transpose(Image.ROTATE_180)
        if(cr == 3):
            acty -= width
            image = image.transpose(Image.ROTATE_90)

        buff.paste(image, (actx,acty))
        if(display):
            self.disp.display()

    ## Draw a  image on the screen using supplied image data
    #  @param self The object pointer.
    #  @param x The upper left x coordinate of the image.
    #  @param y The upper left y coordinate of the image.
    #  @param width The width of the image.
    #  @param height The width of the image.
    #  @param image data
    #  @param display Choose to immediately push the drawing to the screen. Optional, defaults to True.
    #  @remark
    #  To use this function in your program:
    #  @code
    #  ...
    #  screen.screen.fillBmp(40, 0, 240, 240, image)
    #  @endcode