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Demos: ensure all use fun main() = application {

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- Adjust some demo window sizes.
- Replace Random.double by Double.uniform
- Tweak some demos so screenshots look more interesting
This commit is contained in:
Abe Pazos
2025-01-26 20:57:04 +01:00
parent 1975a820fc
commit c8f7dd52c6
116 changed files with 2889 additions and 2942 deletions
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78
orx-jvm/orx-boofcv/src/demo/kotlin/DemoContours01.kt
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@@ -12,54 +12,56 @@ import org.openrndr.draw.loadImage
import kotlin.math.cos
import kotlin.math.sin
fun main() {
application {
program {
// Load an image, convert to BoofCV format using orx-boofcv
val input = loadImage("demo-data/images/image-001.png").toGrayF32()
fun main() = application {
program {
// Load an image, convert to BoofCV format using orx-boofcv
val input = loadImage("demo-data/images/image-001.png").toGrayF32()
// BoofCV: calculate a good threshold for the loaded image
val threshold = GThresholdImageOps.computeOtsu(input, 0.0, 255.0)
// BoofCV: calculate a good threshold for the loaded image
val threshold = GThresholdImageOps.computeOtsu(input, 0.0, 255.0)
// BoofCV: use the threshold to convert the image to black and white
val binary = GrayU8(input.width, input.height)
ThresholdImageOps.threshold(input, binary, threshold.toFloat(), false)
// BoofCV: use the threshold to convert the image to black and white
val binary = GrayU8(input.width, input.height)
ThresholdImageOps.threshold(input, binary, threshold.toFloat(), false)
// BoofCV: Contract and expand the white areas to remove noise
var filtered = BinaryImageOps.erode8(binary, 1, null)
filtered = BinaryImageOps.dilate8(filtered, 1, null)
// BoofCV: Contract and expand the white areas to remove noise
var filtered = BinaryImageOps.erode8(binary, 1, null)
filtered = BinaryImageOps.dilate8(filtered, 1, null)
// BoofCV: Calculate contours as vector data
val contours = BinaryImageOps.contour(filtered, ConnectRule.EIGHT, null)
// BoofCV: Calculate contours as vector data
val contours = BinaryImageOps.contour(filtered, ConnectRule.EIGHT, null)
// orx-boofcv: convert vector data to OPENRNDR ShapeContours
val externalShapes = contours.toShapeContours(true,
internal = false, external = true)
val internalShapes = contours.toShapeContours(true,
internal = true, external = false)
// orx-boofcv: convert vector data to OPENRNDR ShapeContours
val externalShapes = contours.toShapeContours(
true,
internal = false, external = true
)
val internalShapes = contours.toShapeContours(
true,
internal = true, external = false
)
extend {
drawer.run {
// Zoom in and out over time
translate(bounds.center)
scale(1.5 + 0.5 * cos(seconds * 0.2))
translate(-bounds.center)
extend {
drawer.run {
// Zoom in and out over time
translate(bounds.center)
scale(1.5 + 0.5 * cos(seconds * 0.2))
translate(-bounds.center)
stroke = null
stroke = null
// Draw all external shapes
fill = rgb(0.2)
contours(externalShapes)
// Draw all external shapes
fill = rgb(0.2)
contours(externalShapes)
// Draw internal shapes one by one to set unique colors
internalShapes.forEachIndexed { i, shp ->
val shade = 0.2 + (i % 7) * 0.1 +
0.1 * sin(i + seconds)
fill = ColorRGBa.PINK.shade(shade)
contour(shp)
}
// Draw internal shapes one by one to set unique colors
internalShapes.forEachIndexed { i, shp ->
val shade = 0.2 + (i % 7) * 0.1 +
0.1 * sin(i + seconds)
fill = ColorRGBa.PINK.shade(shade)
contour(shp)
}
}
}
}
}
}