Enhancement of the picture gallery program Program plan: In the file “ Picture.java ”, import necessary packages, and create a class “ Picture”, Create a label. Declare necessary variables. Define the constructor to construct a picture from a given file or URL. Define the method “getBounds()” to return the bounds of this picture. Define the method “move()” to move the picture by a given amount. Define the method “toString()” to get the formatted string. Define the method “paintShape()” to paint the shape. Create a static “Canvas” class to create the output image, Create a class “CanvasComponent” to create component for output picture. Define the constructor to create the picture. In the file “ Gallery.java ”, import necessary package, and create a class “ Gallery”, Define a method “main()”, Initialize the maximum width. Create an array list to hold all the rectangles. Create an object for “Picture”. Loop through all pictures, Create an object for “Picture”. Check if the first row all goes at Y == 0, Call the method “insertPos()” to find the position. Otherwise, search to find where to locate the remaining pictures. Place this rectangle in the array list. Define the method “intersects()” to check if a rectangle intersects a list of others. Define the method “insertPos(” to find the position to insert a rectangle. Define the method “removeSpaceOnLeft()” to move a rectangle as far to the left as it will go without running into another or the edge.

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Chapter 8, Problem 2PP

Program Plan Intro

Enhancement of the picture gallery program

Program plan:

In the file “Picture.java”, import necessary packages, and create a class “Picture”,

Create a label.

Declare necessary variables.

Define the constructor to construct a picture from a given file or URL.

Define the method “getBounds()” to return the bounds of this picture.

Define the method “move()” to move the picture by a given amount.

Define the method “toString()” to get the formatted string.

Define the method “paintShape()” to paint the shape.

Create a static “Canvas” class to create the output image,

Create a class “CanvasComponent” to create component for output picture.

Define the constructor to create the picture.

In the file “Gallery.java”, import necessary package, and create a class “Gallery”,

Define a method “main()”,

Initialize the maximum width.

Create an array list to hold all the rectangles.

Create an object for “Picture”.

Loop through all pictures,

Create an object for “Picture”.

Check if the first row all goes at Y == 0,

Call the method “insertPos()” to find the position.

Otherwise, search to find where to locate the remaining pictures.

Place this rectangle in the array list.

Define the method “intersects()” to check if a rectangle intersects a list of others.

Define the method “insertPos(” to find the position to insert a rectangle.

Define the method “removeSpaceOnLeft()” to move a rectangle as far to the left as it will go without running into another or the edge.

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