[Color2]:Components

color(red,green,blue,transparency):取得r、g、b 、transparency值

• red(color)
• green(color)
• blue(color)
• transparency(color)

切換成HSBMode

• colorMode(HSB,300,100,100)、color(hue,saturations,brightness):切換成HSBMode
• hue(color)、saturation(color)、brightness(color):取得H、S、B值
• background(PImage):圖片設為背景
• PImage.width、PImage.height:取得照片的寬高
• imageColors[y*img.height+x] = img.get(x,y):填完一row向下移

Exercises

• Write a program to print the red,green and blue values of each pixel in an image to the console.
• Design a composition that changes based on mouseX value. Make the color for each element of the composition also change in relation to this variable.
• Load an image and use its colors to set the palette for a composition.

Reference

• Casey Reas & Ben Fry : Page348