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Step 1
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| // Step 1 | |
| class GDIBrush | |
| { | |
| private int colorId; | |
| // A long method | |
| public void draw(List<Point> renderingRoots, | |
| ColorMatrix colors, | |
| List<Point> selection) | |
| { | |
| // !!! -> we wrote this line and used the IDE to generate the new class | |
| new Renderer(this, renderingRoots, colors, selection); | |
| // some more code in the method | |
| for (Point point : renderingRoots) | |
| { | |
| // a lot more code in the loop | |
| drawPoint(point.x(), point.y(), colors.getColor(colorId)); | |
| } | |
| // a lot more code in the method | |
| } | |
| private void drawPoint(int x, int y, Color color) | |
| { | |
| // some code to draw a point... | |
| } | |
| } | |
| // !!! -> new class | |
| class Renderer { | |
| private final GDIBrush brush; | |
| private final List<Point> renderingRoots; | |
| private final ColorMatrix colors; | |
| private final List<Point> selection; | |
| public Renderer(GDIBrush brush, List<Point> renderingRoots, ColorMatrix colors, List<Point> selection) { | |
| this.brush = brush; | |
| this.renderingRoots = renderingRoots; | |
| this.colors = colors; | |
| this.selection = selection; | |
| } | |
| } |
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