[orx-shade-styles] Add pattern shade styles

orx-shade-styles/src/jvmDemo/kotlin/patterns/DemoPatterns01.kt

@@ -0,0 +1,52 @@
+package patterns
+
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.draw.loadFont
+import org.openrndr.draw.loadImage
+import org.openrndr.extra.camera.Camera2D
+import org.openrndr.extra.color.presets.NAVY
+import org.openrndr.extra.imageFit.imageFit
+import org.openrndr.extra.shadestyles.fills.FillUnits
+import org.openrndr.extra.shadestyles.fills.patterns.pattern
+
+fun main() = application {
+    configure {
+        width = 720
+        height = 720
+    }
+    program {
+        extend(Camera2D())
+        val image = loadImage("demo-data/images/image-001.png")
+        extend {
+            drawer.shadeStyle = pattern {
+                backgroundColor = ColorRGBa.NAVY
+                foregroundColor = ColorRGBa.WHITE
+                patternUnits = FillUnits.WORLD
+                parameter("time", seconds*0.1)
+//                domainWarpFunction = """vec2 patternDomainWarp(vec2 uv) { return uv + vec2(cos(uv.y * 0.1 + p_time), sin(uv.x * 0.1 + p_time)) * 30.05; }"""
+                scale = 0.4
+
+                checkers {
+                }
+            }
+
+            //drawer.rectangle(drawer.bounds)
+            drawer.imageFit(image, drawer.bounds)
+
+            drawer.shadeStyle = pattern {
+                backgroundColor = ColorRGBa.NAVY
+                foregroundColor = ColorRGBa.WHITE
+                patternUnits = FillUnits.WORLD
+                parameter("time", seconds)
+                domainWarpFunction = """vec2 patternDomainWarp(vec2 uv) { return uv + vec2(cos(uv.y * 0.1 + p_time), sin(uv.x * 0.1 + p_time)) * 30.05; }"""
+                scale = 0.2
+                checkers {
+                }
+            }
+            drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 196.0)
+            drawer.text("Patterns", 10.0, height / 2.0)
+            //drawer.circle(drawer.bounds.center, 300.0)
+        }
+    }
+}