public void onDraw(Canvas canvas) {
// 검정색 배경으로 지운다. 빈 화면이면 지우기만 하고 리턴
canvas.drawColor(Color.BLACK);
if (status == BLANK) {
return;
}
// 도형 목록을 순회하면서 도형 정보대로 출력한다.
int idx;
for (idx = 0; idx < arShape.size(); idx++) {
Paint Pnt = new Paint();
Pnt.setAntiAlias(true);
Pnt.setColor(arShape.get(idx).color);
Rect rt = arShape.get(idx).rt;
switch (arShape.get(idx).what) {
case Shape.RECT:
canvas.drawRect(rt, Pnt);
break;
case Shape.CIRCLE:
canvas.drawCircle(
rt.left + rt.width() / 2, rt.top + rt.height() / 2, rt.width() / 2, Pnt);
break;
case Shape.TRIANGLE:
Path path = new Path();
path.moveTo(rt.left + rt.width() / 2, rt.top);
path.lineTo(rt.left, rt.bottom);
path.lineTo(rt.right, rt.bottom);
canvas.drawPath(path, Pnt);
break;
}
}
}
private Point getOffset(Rect r) {
Point screenCenter = new Point((bounds.x + bounds.w / 2), (bounds.y + bounds.h / 2));
Point rectCenter = r.getCenter();
Point diff = rectCenter.diff(screenCenter).scale(PERCENT_DIST, PERCENT_DIST);
return diff;
}
// 새로운 도형을 목록에 추가한다.
void AddNewShape() {
Shape shape = new Shape();
int idx;
boolean bFindIntersect;
Rect rt = new Rect();
// 기존 도형과 겹치지 않는 새 위치를 찾는다.
for (; ; ) {
// 크기는 32, 48, 64 중 하나 선택
int Size = 32 + 16 * Rnd.nextInt(3);
// 위치는 난수로 선택
rt.left = Rnd.nextInt(getWidth());
rt.top = Rnd.nextInt(getHeight());
rt.right = rt.left + Size;
rt.bottom = rt.top + Size;
// 화면을 벗어나면 안된다.
if (rt.right > getWidth() || rt.bottom > getHeight()) {
continue;
}
// 기존 도형 순회하며 겹치는지 조사한다.
bFindIntersect = false;
for (idx = 0; idx < arShape.size(); idx++) {
if (rt.intersect(arShape.get(idx).rt) == true) {
bFindIntersect = true;
}
}
// 겹치지 않을 때 확정한다. 겹치면 계속 새 위치 선정한다.
if (bFindIntersect == false) {
break;
}
}
// 새 도형 정보 작성. 모양, 색상 등을 난수 선택한다.
shape.what = Rnd.nextInt(3);
switch (Rnd.nextInt(5)) {
case 0:
shape.color = Color.WHITE;
break;
case 1:
shape.color = Color.RED;
break;
case 2:
shape.color = Color.GREEN;
break;
case 3:
shape.color = Color.BLUE;
break;
case 4:
shape.color = Color.YELLOW;
break;
}
shape.rt = rt;
arShape.add(shape);
}
private Element generateGraphicsNode(Document doc, ClassGraphics gr) {
Element graphicsEl = doc.createElement(EL_GRAPHICS);
Element bounds = doc.createElement(EL_BOUNDS);
graphicsEl.appendChild(bounds);
bounds.setAttribute(ATR_X, Integer.toString(gr.getBoundX()));
bounds.setAttribute(ATR_Y, Integer.toString(gr.getBoundY()));
bounds.setAttribute(ATR_WIDTH, Integer.toString(gr.getBoundWidth()));
bounds.setAttribute(ATR_HEIGHT, Integer.toString(gr.getBoundHeight()));
for (Shape shape : gr.getShapes()) {
if (shape instanceof Rect) {
Rect rect = (Rect) shape;
Element rectEl = doc.createElement(EL_RECT);
graphicsEl.appendChild(rectEl);
rectEl.setAttribute(ATR_X, Integer.toString(rect.getX()));
rectEl.setAttribute(ATR_Y, Integer.toString(rect.getY()));
rectEl.setAttribute(ATR_WIDTH, Integer.toString(rect.getWidth()));
rectEl.setAttribute(ATR_HEIGHT, Integer.toString(rect.getHeight()));
rectEl.setAttribute(ATR_COLOUR, Integer.toString(rect.getColor().getRGB()));
rectEl.setAttribute(ATR_FILLED, Boolean.toString(rect.isFilled()));
rectEl.setAttribute(ATR_FIXED, Boolean.toString(rect.isFixed()));
rectEl.setAttribute(ATR_STROKE, Float.toString(rect.getStroke().getLineWidth()));
rectEl.setAttribute(ATR_LINETYPE, Float.toString(rect.getLineType()));
rectEl.setAttribute(ATR_TRANSPARENCY, Integer.toString(rect.getTransparency()));
} else if (shape instanceof Text) {
Text text = (Text) shape;
Element textEl = doc.createElement(EL_TEXT);
textEl.setAttribute(ATR_STRING, text.getText());
textEl.setAttribute(ATR_X, Integer.toString(text.getX()));
textEl.setAttribute(ATR_Y, Integer.toString(text.getY()));
textEl.setAttribute(ATR_FONTNAME, text.getFont().getName());
textEl.setAttribute(ATR_FONTSIZE, Integer.toString(text.getFont().getSize()));
textEl.setAttribute(ATR_FONTSTYLE, Integer.toString(text.getFont().getStyle()));
textEl.setAttribute(ATR_TRANSPARENCY, Integer.toString(text.getTransparency()));
textEl.setAttribute(ATR_COLOUR, Integer.toString(text.getColor().getRGB()));
graphicsEl.appendChild(textEl);
} // TODO handle the rest of shapes
}
return graphicsEl;
}