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| author | trustable-code <krauter.simon@arcor.de> | 2017-07-01 14:24:18 +0200 |
|---|---|---|
| committer | trustable-code <krauter.simon@arcor.de> | 2017-07-01 14:24:18 +0200 |
| commit | 59aa41ad707a814ea7145248c52f6f16b1c895d3 (patch) | |
| tree | d70c2142f2c9063e938af31b13e8a0eb79a5dc60 /examples/example_11_image_processing_cli.nim | |
| download | NiGui-59aa41ad707a814ea7145248c52f6f16b1c895d3.tar.gz NiGui-59aa41ad707a814ea7145248c52f6f16b1c895d3.zip | |
first public preview version
Diffstat (limited to 'examples/example_11_image_processing_cli.nim')
| -rwxr-xr-x | examples/example_11_image_processing_cli.nim | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/examples/example_11_image_processing_cli.nim b/examples/example_11_image_processing_cli.nim new file mode 100755 index 0000000..ec0f263 --- /dev/null +++ b/examples/example_11_image_processing_cli.nim @@ -0,0 +1,47 @@ +# This example shows how to do image processing without GUI
+
+import nigui
+
+app.init()
+
+var image1 = newImage()
+image1.loadFromFile("example_01_basic_app.png")
+# Reads the file and holds the image as bitmap in memory
+
+var image2 = newImage()
+image2.resize(200, 200)
+
+let canvas = image2.canvas
+# A shortcut
+
+canvas.areaColor = rgb(30, 30, 30) # dark grey
+canvas.fill()
+# Fill the whole area
+
+canvas.setPixel(0, 0, rgb(255, 0, 0))
+# Modifies a single pixel
+
+canvas.areaColor = rgb(255, 0, 0) # red
+canvas.drawRectArea(10, 10, 30, 30)
+# Draws a filled rectangle
+
+canvas.lineColor = rgb(255, 0, 0) # red
+canvas.drawLine(60, 10, 110, 40)
+# Draws a line
+
+let text = "Hello World!"
+canvas.textColor = rgb(0, 255, 0) # lime
+canvas.fontSize = 20
+canvas.fontFamily = "Arial"
+canvas.drawText(text, 10, 70)
+# Outputs a text
+
+canvas.drawRectOutline(10, 70, canvas.getTextWidth(text), canvas.getTextLineHeight())
+# Draws a rectangle outline
+
+canvas.drawImage(image1, 10, 120)
+# Draws an image in original size
+
+image2.saveToPngFile("out.png")
+# Save the image as PNG file
+
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