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package jrummikub.view.impl;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Stroke;
import java.awt.geom.GeneralPath;
import java.awt.geom.Rectangle2D;
import jrummikub.model.Position;
import jrummikub.model.Stone;
import jrummikub.model.StoneColor;
/**
* The StonePainter paints stones and converts between pixel and grid
* coordinates
*/
class StonePainter {
private static final float ASPECT_RATIO = 0.75f;
private static final float DEFAULT_WIDTH = 40;
private static final float TEXT_POS = 0.275f;
private static final float FACE_WIDTH = 0.475f;
private static final float CIRCLE_POS = 0.725f;
private static final float CIRCLE_WIDTH = 0.45f;
private static final Color BACKGROUND_COLOR = new Color(0.9f, 0.9f, 0.6f);
private static final Color SELECTED_COLOR = BACKGROUND_COLOR.darker();
private static final float BRIGHTER_SCALE = 1.15f;
/**
* The width of one pixel in the scale of 1.0
*/
public static final float WIDTH_SCALE = 1 / DEFAULT_WIDTH;
/**
* The height of one pixel in the scale of 1.0
*/
public static final float HEIGHT_SCALE = ASPECT_RATIO / DEFAULT_WIDTH;
private float scale;
private static int even(float f) {
return 2 * (int) (f / 2);
}
private static Color brighter(Color color) {
int r = (int) (color.getRed() * BRIGHTER_SCALE);
int g = (int) (color.getRed() * BRIGHTER_SCALE);
int b = (int) (color.getRed() * BRIGHTER_SCALE);
return new Color(r > 255 ? 255 : r, g > 255 ? 255 : g, b > 255 ? 255 : b);
}
private static Color getColor(StoneColor color) {
switch (color) {
case BLACK:
return new Color(0.15f, 0.15f, 0.15f);
case BLUE:
return new Color(0.0f, 0.0f, 1.0f);
case ORANGE:
return new Color(1.0f, 0.6f, 0.0f);
case RED:
return new Color(0.9f, 0.0f, 0.25f);
}
return null;
}
/**
* Sets the new grid scale
*
* @param scale
* the new scale
*/
public void setScale(float scale) {
this.scale = scale;
}
/**
* @return the current grid scale
*/
public float getScale() {
return scale;
}
/**
* @param x
* x position in screen coordinates
* @param y
* y position in screen coordinates
* @return position in grid coordinates
*/
public Position calculatePosition(int x, int y) {
float width = getStoneWidth();
float height = getStoneHeight();
return new Position(x / width, y / height);
}
/**
* @return the width of a stone in the current scale in pixels
*/
public int getStoneWidth() {
return even(DEFAULT_WIDTH * scale);
}
/**
* @return the height of a stone in the current scale in pixels
*/
public int getStoneHeight() {
return (int) (DEFAULT_WIDTH * scale / ASPECT_RATIO);
}
/**
* @param scale
* the scaling factor for the grid coordinates
*/
StonePainter(float scale) {
this.scale = scale;
}
private void paintStoneBackground(Graphics2D g, Rectangle r, Color background) {
// Paint background
g.setColor(background);
g.fillRect(r.x, r.y, r.width, r.height);
// Paint bevel border
g.setColor(brighter(brighter(background)));
g.fillRect(r.x, r.y, 1, r.height);
g.setColor(brighter(background));
g.fillRect(r.x + 1, r.y + 1, 1, r.height - 2);
g.setColor(brighter(brighter(background)));
g.fillRect(r.x, r.y, r.width, 1);
g.setColor(brighter(background));
g.fillRect(r.x + 1, r.y + 1, r.width - 2, 1);
g.setColor(background.darker().darker());
g.fillRect(r.x + r.width - 1, r.y, 1, r.height);
g.setColor(background.darker());
g.fillRect(r.x + r.width - 2, r.y + 1, 1, r.height - 2);
g.setColor(background.darker().darker());
g.fillRect(r.x, r.y + r.height - 1, r.width, 1);
g.setColor(background.darker());
g.fillRect(r.x + 1, r.y + r.height - 2, r.width - 2, 1);
}
private void paintJokerFace(Graphics2D g, Rectangle r) {
Stroke oldStroke = g.getStroke();
g.setStroke(new BasicStroke(2));
g.drawOval(r.x, r.y, r.width, r.height);
g.setStroke(new BasicStroke(1));
GeneralPath path = new GeneralPath();
// nose
path.moveTo(r.x + 0.5f * r.width, r.y + 0.45f * r.height);
path.lineTo(r.x + 0.53f * r.width, r.y + 0.6f * r.height);
path.lineTo(r.x + 0.47f * r.width, r.y + 0.6f * r.height);
path.closePath();
g.fill(path);
path.reset();
// mouth, left
path.moveTo(r.x + 0.23f * r.width, r.y + 0.75f * r.width);
path.lineTo(r.x + 0.27f * r.width, r.y + 0.65f * r.width);
// mouth, middle
path.moveTo(r.x + 0.25f * r.width, r.y + 0.7f * r.width);
path.lineTo(r.x + 0.5f * r.width, r.y + 0.8f * r.width);
path.lineTo(r.x + 0.75f * r.width, r.y + 0.7f * r.width);
// mouth, right
path.moveTo(r.x + 0.77f * r.width, r.y + 0.75f * r.width);
path.lineTo(r.x + 0.73f * r.width, r.y + 0.65f * r.width);
g.draw(path);
path.reset();
// left eye
path.moveTo(r.x + 0.3f * r.width, r.y + 0.41f * r.height);
path.lineTo(r.x + 0.375f * r.width, r.y + 0.375f * r.height);
path.lineTo(r.x + 0.3f * r.width, r.y + 0.34f * r.height);
path.lineTo(r.x + 0.225f * r.width, r.y + 0.375f * r.height);
path.closePath();
g.draw(path);
path.reset();
// right eye
path.moveTo(r.x + 0.7f * r.width, r.y + 0.41f * r.height);
path.lineTo(r.x + 0.625f * r.width, r.y + 0.375f * r.height);
path.lineTo(r.x + 0.7f * r.width, r.y + 0.34f * r.height);
path.lineTo(r.x + 0.775f * r.width, r.y + 0.375f * r.height);
path.closePath();
g.draw(path);
g.setStroke(oldStroke);
}
private void paintJoker(Graphics2D g, Rectangle r, Color color) {
int faceSize = even(FACE_WIDTH * r.width);
int pos = r.y + (int) (TEXT_POS * r.height);
g.setColor(color);
paintJokerFace(g, new Rectangle(r.x + r.width / 2 - faceSize / 2, pos
- faceSize / 2, faceSize, faceSize));
}
private void paintStoneValue(Graphics2D g, Rectangle r, Color color, int v) {
int pos = r.y + (int) (TEXT_POS * r.height);
g.setFont(new Font("SansSerif", Font.BOLD, r.height / 4));
FontMetrics fm = g.getFontMetrics();
String value = Integer.toString(v);
Rectangle2D stringRect = fm.getStringBounds(value, g);
g.setColor(color.darker());
g.drawString(value,
(int) (r.x + r.width / 2 - stringRect.getWidth() / 2) + 1,
pos + (fm.getAscent() - fm.getDescent()) / 2 + 1);
g.setColor(color);
g.drawString(value, (int) (r.x + r.width / 2 - stringRect.getWidth() / 2),
pos + (fm.getAscent() - fm.getDescent()) / 2);
}
private void paintCircle(Graphics2D g, Rectangle r, Color background) {
int size = even(r.width * CIRCLE_WIDTH);
int pos = r.y + (int) (CIRCLE_POS * r.height);
// Paint circle
g.setColor(background.darker());
g.drawArc(r.x + r.width / 2 - size / 2, pos - size / 2, size, size, 50, 170);
g.setColor(brighter(background));
g.drawArc((int) (r.x + r.width / 2 - size / 2), pos - size / 2, size, size,
-130, 170);
}
/**
* Paints a stone
*
* @param g
* the graphics context to paint the stone on
* @param stone
* the stone to paint
* @param p
* the position of the stone
* @param selected
* if selected is true the stone will be painted darker
*/
public void paintStone(Graphics2D g, Stone stone, Position p, boolean selected) {
Color background = selected ? SELECTED_COLOR : BACKGROUND_COLOR;
int width = getStoneWidth();
int height = getStoneHeight();
Rectangle rect = new Rectangle((int) (p.getX() * width),
(int) (p.getY() * height), width, height);
paintStoneBackground(g, rect, background);
Color color = getColor(stone.getColor());
if (selected)
color = color.darker();
if (stone.isJoker()) {
paintJoker(g, rect, color);
} else {
paintStoneValue(g, rect, color, stone.getValue());
}
paintCircle(g, rect, background);
}
}
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