reference: Add Color (#203)

* reference: Add background

Signed-off-by: Ce Gao <[email protected]>

* reference: Add clear

Signed-off-by: Ce Gao <[email protected]>

* reference: Add colorMode

Signed-off-by: Ce Gao <[email protected]>

* reference: Add fill

Signed-off-by: Ce Gao <[email protected]>

* reference: Add noFill

Signed-off-by: Ce Gao <[email protected]>

* refenrece: Add noStroke

Signed-off-by: Ce Gao <[email protected]>

* reference: Add alpha

Signed-off-by: Ce Gao <[email protected]>

* reference: Add blue

Signed-off-by: Ce Gao <[email protected]>

* reference: Add brightness

Signed-off-by: Ce Gao <[email protected]>

* reference: Add color

Signed-off-by: Ce Gao <[email protected]>

* reference: Add hue and green

Signed-off-by: Ce Gao <[email protected]>

* reference: Add lerpColor

Signed-off-by: Ce Gao <[email protected]>

* reference: Add red

Signed-off-by: Ce Gao <[email protected]>

* reference: Add saturation

Signed-off-by: Ce Gao <[email protected]>

* reference: Add stroke

Signed-off-by: Ce Gao <[email protected]>

* src: Add test case

Signed-off-by: Ce Gao <[email protected]>

examples/reference/alpha/alpha1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/alpha_.png

examples/reference/alpha/alpha1/alpha1.rpde

@@ -0,0 +1,7 @@
+noStroke()
+c = color(0, 126, 255, 102)
+fill(c)
+rect(15, 15, 35, 70)
+value = alpha(c)  # Sets 'value' to 102
+fill(value)
+rect(50, 15, 35, 70)

examples/reference/background/background1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/background_0.png

examples/reference/background/background1/background1.rpde

@@ -0,0 +1 @@
+background(51)

examples/reference/background/background2/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/background_1.png

examples/reference/background/background2/background2.rpde

@@ -0,0 +1 @@
+background(255, 204, 0)

examples/reference/background/background3/background3.rpde

@@ -0,0 +1,2 @@
+img = loadImage("laDefense.jpg")
+background(img)

examples/reference/blue/blue1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/blue_.png

examples/reference/blue/blue1/blue1.rpde

@@ -0,0 +1,8 @@
+c = color(175, 100, 220)  # Define color 'c'
+fill(c)  # Use color variable 'c' as fill color
+rect(15, 20, 35, 60)  # Draw left rectangle
+
+blueValue = blue(c)  # Get blue in 'c'
+println(blueValue)  # Prints '220.0'
+fill(0, 0, blueValue)  # Use 'blueValue' in new fill
+rect(50, 20, 35, 60)  # Draw right rectangle

examples/reference/brightness/brightness1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/brightness_.png

examples/reference/brightness/brightness1/brightness1.rpde

@@ -0,0 +1,8 @@
+noStroke()
+colorMode(HSB, 255)
+c = color(0, 126, 255)
+fill(c)
+rect(15, 20, 35, 60)
+value = brightness(c)  # Sets 'value' to 255
+fill(value)
+rect(50, 20, 35, 60)

examples/reference/clear/clear1/clear1.rpde

@@ -0,0 +1,25 @@
+pg <- NULL
+
+settings <- function() {
+    size(200, 200)
+}
+
+setup <- function() {
+    pg <- createGraphics(100, 100)
+}
+
+draw <- function() {
+    background(204)
+    pg$beginDraw()
+    pg$stroke(0, 102, 153)
+    pg$line(0, 0, mouseX, mouseY)
+    pg$endDraw()
+    image(pg, 50, 50)
+}
+
+# Click to clear the PGraphics object
+mousePressed <- function() {
+    pg$beginDraw()
+    pg$clear()
+    pg$endDraw()
+}

examples/reference/color/color1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/color_0.png

examples/reference/color/color1/color1.rpde

@@ -0,0 +1,4 @@
+c = color(255, 204, 0)  # Define color 'c'
+fill(c)  # Use color variable 'c' as fill color
+noStroke()  # Don't draw a stroke around shapes
+rect(30, 20, 55, 55)  # Draw rectangle

examples/reference/color/color2/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/color_1.png

examples/reference/color/color2/color2.rpde

@@ -0,0 +1,9 @@
+c = color(255, 204, 0)  # Define color 'c'
+fill(c)  # Use color variable 'c' as fill color
+noStroke()  # Don't draw a stroke around shapes
+ellipse(25, 25, 80, 80)  # Draw left circle
+
+# Using only one value with color() generates a grayscale value.
+c = color(65)  # Update 'c' with grayscale value
+fill(c)  # Use updated 'c' as fill color
+ellipse(75, 75, 80, 80)  # Draw right circle

examples/reference/color/color3/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/color_2.png

examples/reference/color/color3/color3.rpde

@@ -0,0 +1,12 @@
+noStroke()  # Don't draw a stroke around shapes
+
+# If no colorMode is specified, then the default of RGB with scale of 0-255 is
+# used.
+c = color(50, 55, 100)  # Create a color for 'c'
+fill(c)  # Use color variable 'c' as fill color
+rect(0, 10, 45, 80)  # Draw left rect
+
+colorMode(HSB, 100)  # Use HSB with scale of 0-100
+c = color(50, 55, 100)  # Update 'c' with new color
+fill(c)  # Use updated 'c' as fill color
+rect(55, 10, 45, 80)  # Draw right rect

examples/reference/colorMode/colorMode1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/colorMode_0.png

examples/reference/colorMode/colorMode1/colorMode1.rpde

@@ -0,0 +1,8 @@
+noStroke()
+colorMode(RGB, 100)
+for (i in 0:100) {
+    for (j in 0:100) {
+        stroke(i, j, 0)
+        point(i, j)
+    }
+}

examples/reference/colorMode/colorMode2/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/colorMode_1.png

examples/reference/colorMode/colorMode2/colorMode2.rpde

@@ -0,0 +1,8 @@
+noStroke()
+colorMode(HSB, 100)
+for (i in 0:100) {
+    for (j in 0:100) {
+        stroke(i, j, 100)
+        point(i, j)
+    }
+}

examples/reference/colorMode/colorMode3/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/colorMode_2.png

examples/reference/colorMode/colorMode3/colorMode3.rpde

@@ -0,0 +1,15 @@
+# If the color is defined here, it won't be affected by the colorMode() in
+# setup().  Instead, just declare the variable here and assign the value after
+# the colorMode() in setup() color bg = color(180, 50, 50); # No
+
+bg <- NULL
+
+setup <- function() {
+    size(100, 100)
+    colorMode(HSB, 360, 100, 100)
+    bg = color(180, 50, 50)
+}
+
+draw <- function() {
+    background(bg)
+}

examples/reference/fill/fill1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/fill_0.png

examples/reference/fill/fill1/fill1.rpde

@@ -0,0 +1,2 @@
+fill(153)
+rect(30, 20, 55, 55)

examples/reference/fill/fill2/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/fill_1.png

examples/reference/fill/fill2/fill2.rpde

@@ -0,0 +1,2 @@
+fill(204, 102, 0)
+rect(30, 20, 55, 55)

examples/reference/green/green1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/green_.png

examples/reference/green/green1/green1.rpde

@@ -0,0 +1,8 @@
+c = color(20, 75, 200)  # Define color 'c'
+fill(c)  # Use color variable 'c' as fill color
+rect(15, 20, 35, 60)  # Draw left rectangle
+
+greenValue = green(c)  # Get green in 'c'
+print(greenValue)  # Print '75.0'
+fill(0, greenValue, 0)  # Use 'greenValue' in new fill
+rect(50, 20, 35, 60)  # Draw right rectangle

examples/reference/hue/hue1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/hue_.png

examples/reference/hue/hue1/hue1.rpde

@@ -0,0 +1,8 @@
+noStroke()
+colorMode(HSB, 255)
+c = color(0, 126, 255)
+fill(c)
+rect(15, 20, 35, 60)
+value = hue(c)  # Sets 'value' to '0'
+fill(value)
+rect(50, 20, 35, 60)

examples/reference/lerpColor/lerpColor1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/lerpColor_.png

examples/reference/lerpColor/lerpColor1/lerpColor1.rpde

@@ -0,0 +1,14 @@
+stroke(255)
+background(51)
+from = color(204, 102, 0)
+to = color(0, 102, 153)
+interA = lerpColor(from, to, 0.33)
+interB = lerpColor(from, to, 0.66)
+fill(from)
+rect(10, 20, 20, 60)
+fill(interA)
+rect(30, 20, 20, 60)
+fill(interB)
+rect(50, 20, 20, 60)
+fill(to)
+rect(70, 20, 20, 60)

examples/reference/noFill/noFill1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/noFill_.png

examples/reference/noFill/noFill1/noFill1.rpde

@@ -0,0 +1,3 @@
+rect(15, 10, 55, 55)
+noFill()
+rect(30, 20, 55, 55)

examples/reference/noStroke/noStroke1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/noStroke_.png

examples/reference/noStroke/noStroke1/noStroke1.rpde

@@ -0,0 +1,2 @@
+noStroke()
+rect(30, 20, 55, 55)

examples/reference/red/red1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/red_.png

examples/reference/red/red1/red1.rpde

@@ -0,0 +1,8 @@
+c = color(255, 204, 0)  # Define color 'c'
+fill(c)  # Use color variable 'c' as fill color
+rect(15, 20, 35, 60)  # Draw left rectangle
+
+redValue = red(c)  # Get red in 'c'
+println(redValue)  # Print '255.0'
+fill(redValue, 0, 0)  # Use 'redValue' in new fill
+rect(50, 20, 35, 60)  # Draw right rectangle

examples/reference/saturation/saturation1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/saturation_.png

examples/reference/saturation/saturation1/saturation1.rpde

@@ -0,0 +1,8 @@
+noStroke()
+colorMode(HSB, 255)
+c = color(0, 126, 255)
+fill(c)
+rect(15, 20, 35, 60)
+value = saturation(c)  # Sets 'value' to 126
+fill(value)
+rect(50, 20, 35, 60)

examples/reference/stroke/stroke1/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/stroke_0.png

examples/reference/stroke/stroke1/stroke1.rpde

@@ -0,0 +1,2 @@
+stroke(153)
+rect(30, 20, 55, 55)

examples/reference/stroke/stroke2/.test.yml

@@ -0,0 +1,2 @@
+test:
+  reference: https://processing.org/reference/images/stroke_1.png

examples/reference/stroke/stroke2/stroke2.rpde

@@ -0,0 +1,2 @@
+stroke(204, 102, 0)
+rect(30, 20, 55, 55)

src/rprocessing/applet/BuiltinApplet.java

@@ -9,6 +9,7 @@
 
 import processing.core.PApplet;
 import processing.core.PConstants;
+import processing.core.PGraphics;
 
 /**
  * BuiltinApplet is the type to refactor the function calls.
@@ -83,6 +84,21 @@ public void noiseDetail(double lod, double falloff) {
     super.noiseDetail((int) lod, (float) falloff);
   }
 
+  public PGraphics createGraphics(double w, double h) {
+    this.logWarningsforCast();
+    return super.createGraphics((int) w, (int) h);
+  }
+
+  public PGraphics createGraphics(double w, double h, String renderer) {
+    this.logWarningsforCast();
+    return super.createGraphics((int) w, (int) h, renderer);
+  }
+
+  public PGraphics createGraphics(double w, double h, String renderer, String path) {
+    this.logWarningsforCast();
+    return super.createGraphics((int) w, (int) h, renderer, path);
+  }
+
   public double getPI() {
     return PI;
   }

src/test/e2e/core/function/Alpha1Test.java

@@ -0,0 +1,25 @@
+
+// Generated by hack/generate-e2e-test.py
+package test.e2e.core.function;
+
+import static org.junit.Assert.fail;
+import org.junit.Test;
+import test.e2e.core.E2eTestBase;
+
+public class Alpha1Test extends E2eTestBase {
+
+  public Alpha1Test() {
+    coreCodeTemplate = "noStroke()\nc = color(0, 126, 255, 102)\nfill(c)\nrect(15, 15, 35, 70)\nvalue = alpha(c)  # Sets 'value' to 102\nfill(value)\nrect(50, 15, 35, 70)\n\nsaveFrame(\"%s\")\nexit()\n";
+    referenceURI = "https://processing.org/reference/images/alpha_.png";
+  }
+
+  @Test
+  public void test() {
+    try {
+      defaultOperation();
+    } catch (Exception exception) {
+      System.err.println(exception);
+      fail("Should not have thrown any exception");
+    }
+  }
+}

src/test/e2e/core/function/Background1Test.java

@@ -0,0 +1,25 @@
+
+// Generated by hack/generate-e2e-test.py
+package test.e2e.core.function;
+
+import static org.junit.Assert.fail;
+import org.junit.Test;
+import test.e2e.core.E2eTestBase;
+
+public class Background1Test extends E2eTestBase {
+
+  public Background1Test() {
+    coreCodeTemplate = "background(51)\n\nsaveFrame(\"%s\")\nexit()\n";
+    referenceURI = "https://processing.org/reference/images/background_0.png";
+  }
+
+  @Test
+  public void test() {
+    try {
+      defaultOperation();
+    } catch (Exception exception) {
+      System.err.println(exception);
+      fail("Should not have thrown any exception");
+    }
+  }
+}

src/test/e2e/core/function/Background2Test.java

@@ -0,0 +1,25 @@
+
+// Generated by hack/generate-e2e-test.py
+package test.e2e.core.function;
+
+import static org.junit.Assert.fail;
+import org.junit.Test;
+import test.e2e.core.E2eTestBase;
+
+public class Background2Test extends E2eTestBase {
+
+  public Background2Test() {
+    coreCodeTemplate = "background(255, 204, 0)\n\nsaveFrame(\"%s\")\nexit()\n";
+    referenceURI = "https://processing.org/reference/images/background_1.png";
+  }
+
+  @Test
+  public void test() {
+    try {
+      defaultOperation();
+    } catch (Exception exception) {
+      System.err.println(exception);
+      fail("Should not have thrown any exception");
+    }
+  }
+}

src/test/e2e/core/function/Blue1Test.java

@@ -0,0 +1,25 @@
+
+// Generated by hack/generate-e2e-test.py
+package test.e2e.core.function;
+
+import static org.junit.Assert.fail;
+import org.junit.Test;
+import test.e2e.core.E2eTestBase;
+
+public class Blue1Test extends E2eTestBase {
+
+  public Blue1Test() {
+    coreCodeTemplate = "c = color(175, 100, 220)  # Define color 'c'\nfill(c)  # Use color variable 'c' as fill color\nrect(15, 20, 35, 60)  # Draw left rectangle\n\nblueValue = blue(c)  # Get blue in 'c'\nprintln(blueValue)  # Prints '220.0'\nfill(0, 0, blueValue)  # Use 'blueValue' in new fill\nrect(50, 20, 35, 60)  # Draw right rectangle\n\nsaveFrame(\"%s\")\nexit()\n";
+    referenceURI = "https://processing.org/reference/images/blue_.png";
+  }
+
+  @Test
+  public void test() {
+    try {
+      defaultOperation();
+    } catch (Exception exception) {
+      System.err.println(exception);
+      fail("Should not have thrown any exception");
+    }
+  }
+}