Python Image.fontPointsize方法代码示例

# 需要导入模块: from pgmagick import Image [as 别名]
# 或者: from pgmagick.Image import fontPointsize [as 别名]
def emotion_to_avatar(emotion, font_path, color=Color("black")):
    """使用颜文字(文本)来生成一张方形图片

    :type emotion: string
    :param emotion: 需要绘制在图像上的文本

    :type font_path: string
    :param font_path: 字体文件路径

    :type color: Color
    :param color: 绘制的文本颜色

    返回结果是一个 Image 对象，并叫将会被规整到 AVATAR_SIZE 设定的大小
    """
    font_size = 128
    max_size = len(emotion.decode('utf-8')) * font_size
    img = Image(Geometry(max_size, max_size), Color("white"))

    img.font(font_path)
    img.fontPointsize(font_size)
    img.annotate(emotion, GravityType.CenterGravity)
    img.trim()
    img.write('tmp.png')

    height = img.rows()
    width = img.columns()

    origin_pimg = PImage.open('tmp.png')
    new_pimg = PImage.new("RGB", (max(height, width), max(height, width)), "white")
    if height > width:
        new_pimg.paste(origin_pimg, ((height - width) / 2, 0))
    else:
        new_pimg.paste(origin_pimg, (0, (width - height) / 2))
    return new_pimg.resize(AVATAR_SIZE, PImage.ANTIALIAS)

# 需要导入模块: from pgmagick import Image [as 别名]
# 或者: from pgmagick.Image import fontPointsize [as 别名]
#make a world-generator, bitmap based.

from pgmagick import Image, DrawableCircle, DrawableText, Geometry, Color

im = Image(Geometry(300, 300), Color("yellow"))

circle = DrawableCircle(100, 100, 20, 20)
im.draw(circle)

im.fontPointsize(65)
text = DrawableText(30, 250, "Hello pgmagick")
im.draw(text)

im.write('test.png')

# 需要导入模块: from pgmagick import Image [as 别名]
# 或者: from pgmagick.Image import fontPointsize [as 别名]
	def buildNodeImage(self,node):
		

		self.buildCounterNode+=1

		node['name'] = node['name'].encode("utf-8")


		print "{0:.2f}".format(self.buildCounterNode / (self.buildCounterNodeTotal) * 100)," percent complete of this batch                                         \r",

		scale = self.scaleFactor

		#if node['size'] > 10:

		#cale = 4.75

		#if node['size'] < 900:
		#	scale = 4




		circleHeight = int(float(node['size'])*scale)
		circleWidth = int(float(node['size'])*scale)


		canvasHeight = int(circleHeight *2)
		canvasWidth = int(circleWidth* 2) 


		im = Image(Geometry(10,10), 'transparent')
		fontsize = self.returnFontSize(canvasHeight)
		im.fontPointsize(fontsize)
		tm = TypeMetric()
		im.fontTypeMetrics(node['name'], tm)

		if tm.textWidth() > canvasWidth:
			canvasWidth = int(tm.textWidth()) + 5

		im = Image(Geometry(canvasWidth,canvasHeight), 'transparent')
		im.density("72x72")
		im.magick('RGB')
		im.resolutionUnits(ResolutionType.PixelsPerInchResolution)

		im.strokeAntiAlias(True)

		color = (node['rgb'][0],node['rgb'][1],node['rgb'][2])

		color = self.rgb_to_hex( color )
		im.fillColor(color);

		im.strokeWidth(2);

		if circleWidth <= 20:
			im.strokeColor("transparent");
		else:
			im.strokeColor("black");

		if circleWidth <= 50:
			im.strokeWidth(1);


		circle = DrawableCircle( canvasWidth/2 , canvasHeight/2, (canvasWidth/2) + (circleWidth/2), (canvasHeight/2) + (circleHeight/2))
		im.draw(circle)

		im.fillColor("white");
		im.strokeColor("black");
		im.strokeWidth(1);



		fontsize = self.returnFontSize(canvasHeight)
		im.fontPointsize(fontsize)

		

		tm = TypeMetric()
		im.fontTypeMetrics(node['name'], tm)

		textWidth = tm.textWidth()
		textHeight = tm.textHeight()


		if fontsize <= 30:
			im.strokeColor("transparent")
		

		text = DrawableText((canvasWidth / 2) - (textWidth/2), canvasHeight/2 + 6 , node['name'])
		im.draw(text)
		


		im.write(self.dataCircles + str(node['id']) + '.png')

# 需要导入模块: from pgmagick import Image [as 别名]
# 或者: from pgmagick.Image import fontPointsize [as 别名]
    def render(self, path, scale=5, width=10000, min_size=10, max_size=200,
               min_fsize=14, max_fsize=200, bg_color='#003059'):

        """
        Render a PNG from the node coordinates.

        Args:
            path (str): The image path.
            scale (float): Pixels per coordinate unit.
            width (int): The height/width, in pixels.
            min_size (int): The min node size.
            max_size (int): The max node size.
            min_fsize (int): The min font size.
            max_fsize (int): The max font size.
        """

        # Initialize the canvas, set font.
        image = Image(Geometry(width, width), Color(bg_color))

        # Set the label font.
        image.font(config['network']['font'])

        for cn, n in bar(self.graph.nodes_iter(data=True),
                         expected_size=len(self.graph)):

            # Get (x,y) / radius.
            x, y = self.get_xy(cn, scale, width)
            r = (n['viz']['size']*scale) / 2

            # Index the coordinates.
            self.graph.node[cn]['x'] = x
            self.graph.node[cn]['y'] = y
            self.graph.node[cn]['r'] = r

            # Get the node label.
            label = ', '.join([
                n.get('title', ''),
                n.get('author', '')
            ])

            # Get the node color.
            color = '#%02x%02x%02x' % (
                n['viz']['color']['r'],
                n['viz']['color']['g'],
                n['viz']['color']['b']
            )

            # Draw the node.
            dl = DrawableList()
            dl.append(DrawableFillColor(color))
            dl.append(DrawableStrokeColor('black'))
            dl.append(DrawableStrokeWidth(n['r']/15))
            dl.append(DrawableFillOpacity(0.9))
            dl.append(DrawableCircle(x, y, x+r, y+r))
            image.draw(dl)

            # Compute the font size.
            ratio = (n['viz']['size']-min_size) / (max_size-min_size)
            fsize = min_fsize + (ratio*(max_fsize-min_fsize))
            image.fontPointsize(fsize)

            # Measure the width of the label.
            tm = TypeMetric()
            image.fontTypeMetrics(label, tm)
            tw = tm.textWidth()

            # Draw the label.
            dl = DrawableList()
            dl.append(DrawablePointSize(fsize))
            dl.append(DrawableFillColor('white'))
            dl.append(DrawableText(x-(tw/2), y, label))
            image.draw(dl)

        image.write(os.path.abspath(path))

# 需要导入模块: from pgmagick import Image [as 别名]
# 或者: from pgmagick.Image import fontPointsize [as 别名]
from pgmagick import Image, Geometry, Color, TypeMetric, \
                     DrawableText, DrawableList, DrawableGravity, GravityType

im = Image(Geometry(600, 600), Color("transparent"))

im.fontPointsize(30)
im.fillColor(Color("#f010f0"))
im.strokeColor(Color("transparent"))
im.font("Vera.ttf")
dl = DrawableList()

dl.append(DrawableGravity(GravityType.CenterGravity))
dl.append(DrawableText(0, 0, "center"))

tm = TypeMetric()
im.fontTypeMetrics("northn", tm)
font_height = tm.textHeight()
dl.append(DrawableGravity(GravityType.NorthGravity))
dl.append(DrawableText(0, font_height / 2., "north"))

dl.append(DrawableGravity(GravityType.WestGravity))
dl.append(DrawableText(0, 0, "west"))

dl.append(DrawableGravity(GravityType.EastGravity))
dl.append(DrawableText(0, 0, "east"))
dl.append(DrawableText(0, 20, "east-long"))

dl.append(DrawableGravity(GravityType.SouthGravity))
dl.append(DrawableText(0, 0, "south"))

dl.append(DrawableGravity(GravityType.NorthWestGravity))