Java Code Examples for com.juankysoriano.rainbow.core.drawing.Modes#Shape

/**
 * Perform initialization specific to curveVertex(), and handle standard
 * error modes. Can be overridden by subclasses that need the flexibility.
 */
void curveVertexCheck(Modes.Shape shape) {
    if (shape != POLYGON) {
        throw new RuntimeException("You must use beginShape() or " + "beginShape(POLYGON) before curveVertex()");
    }
    // to improve code init time, allocate on first use.
    if (curveVertices == null) {
        curveVertices = new float[128][3];
    }

    if (curveVertexCount == curveVertices.length) {
        // Can't use Imagine.expand() cuz it doesn't do the copy
        // properly
        float[][] temp = new float[curveVertexCount << 1][3];
        System.arraycopy(curveVertices, 0, temp, 0, curveVertexCount);
        curveVertices = temp;
    }
    curveInitCheck();
}
 

private void bezierVertexCheck(Modes.Shape shape, int vertexCount) {
    if (shape == UNDEFINED || shape != POLYGON) {
        throw new RuntimeException("beginShape() or beginShape(POLYGON) " + "must be used before bezierVertex() or quadraticVertex()");
    }
    if (vertexCount == 0) {
        throw new RuntimeException("vertex() must be used at least once" + "before bezierVertex() or quadraticVertex()");
    }
}
 

@Override
public void endShape(Modes.Shape mode) {
    if (shapeMode == POINTS && stroke && vertexCount > 0) {
        endPointsShape();
    } else if (shapeMode == POLYGON) {
        endPolygonShape(mode);
    }
    shapeMode = UNDEFINED;
}
 

private void endPolygonShape(Modes.Shape mode) {
    if (!path.isEmpty()) {
        if (mode == CLOSE) {
            path.close();
        }
        drawPath();
    }
}
 

public void endShape(Modes.Shape mode) {
}
 

@Override
public void beginShape(Modes.Shape mode) {
    shapeMode = mode;
    vertexCount = 0;
    curveVertexCount = 0;
}
 

/**
 * Start a new shape.
 * <p/>
 * <B>Differences between beginShape() and line() and point() methods.</B>
 * <p/>
 * beginShape() is intended to be more flexible at the expense of being a
 * little more complicated to use. it handles more complicated shapes that
 * can consist of many connected lines (so you get joins) or lines mixed
 * with curves.
 * <p/>
 * The line() and point() command are for the far more common cases
 * (particularly for our audience) that simply need to draw a line or a
 * point on the screen.
 * <p/>
 * From the code side of things, line() may or may not call beginShape() to
 * do the drawing. In the beta code, they do, but in the alpha code, they
 * did not. they might be implemented one way or the other depending on
 * tradeoffs of runtime efficiency vs. implementation efficiency &mdash
 * meaning the speed that things run at vs. the speed it takes me to write
 * the code and maintain it. for beta, the latter is most important so
 * that's how things are implemented.
 */
public void beginShape(Modes.Shape mode) {
    shapeMode = mode;
}