Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/docs/examples/draw-device.js @ 29:f76e6575dca9 v1.26.4+1

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+++++ v1.26.4+1
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 19:59:23 +0200
parents b50eed0cc0ef
children
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 // Use device interface to draw some graphics and save as a PNG.
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3 import * as mupdf from "mupdf"
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5 var font = new mupdf.Font("Times-Roman")
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6 var image = new mupdf.Image("huntingofthesnark.png")
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7 var path, text
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9 var pixmap = new mupdf.Pixmap(mupdf.ColorSpace.DeviceRGB, [ 0, 0, 500, 600 ], false)
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10 pixmap.clear(255)
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11 var device = new mupdf.DrawDevice(mupdf.Matrix.identity, pixmap)
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12 var transform = [ 2, 0, 0, 2, 0, 0 ]
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13 {
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14 text = new mupdf.Text()
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15 {
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16 text.showString(font, [ 16, 0, 0, -16, 100, 30 ], "Hello, world!")
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17 text.showString(font, [ 0, 16, 16, 0, 15, 100 ], "Hello, world!")
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18 }
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19 device.fillText(text, transform, mupdf.ColorSpace.DeviceGray, [ 0 ], 1)
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21 path = new mupdf.Path()
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22 {
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23 path.moveTo(10, 10)
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24 path.lineTo(90, 10)
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25 path.lineTo(90, 90)
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26 path.lineTo(10, 90)
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27 path.closePath()
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28 }
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29 device.fillPath(path, false, transform, mupdf.ColorSpace.DeviceRGB, [ 1, 0, 0 ], 1)
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30 device.strokePath(
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31 path,
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32 { dashes: [ 5, 10 ], lineWidth: 3, lineCap: "Round" },
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33 transform,
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34 mupdf.ColorSpace.DeviceRGB,
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35 [ 0, 0, 0 ],
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36 1
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37 )
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39 path = new mupdf.Path()
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40 {
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41 path.moveTo(100, 100)
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42 path.curveTo(150, 100, 200, 150, 200, 200)
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43 path.curveTo(200, 300, 0, 300, 100, 100)
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44 path.closePath()
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45 }
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46 device.clipPath(path, true, transform)
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47 {
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48 device.fillImage(image, Matrix.concat(transform, [ 300, 0, 0, 300, 0, 0 ]), 1)
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49 }
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50 device.popClip()
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51 }
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52 device.close()
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54 pixmap.saveAsPNG("out.png")