Java Code Examples for org.newdawn.slick.Graphics#drawLine()

/**
 * Renders a slider option.
 * @param g the graphics context
 * @param option the game option
 * @param cy the y coordinate
 */
private void renderSliderOption(Graphics g, GameOption option, int cy) {
	// draw option name and value
	final int padding = 10;
	String value = option.getValueString();
	int nameWidth = Fonts.MEDIUM.getWidth(option.getName());
	int valueWidth = Fonts.MEDIUM.getWidth(value);
	Fonts.MEDIUM.drawString(x + optionStartX, cy + optionTextOffsetY, option.getName(), COLOR_WHITE);
	Fonts.MEDIUM.drawString(x + optionStartX + optionWidth - valueWidth, cy + optionTextOffsetY, value, COLOR_BLUE);

	// calculate slider positions
	int sliderWidth = optionWidth - nameWidth - padding - padding - valueWidth;
	if (sliderWidth <= 1)
		return;  // menu hasn't slid in far enough to need to draw the slider
	int sliderStartX = (int) (x + optionStartX + nameWidth + padding);
	if (hoverOption == option) {
		sliderOptionStartX = sliderStartX;
		if (!isAdjustingSlider)
			sliderOptionWidth = sliderWidth;
		else
			sliderWidth = sliderOptionWidth;
	}
	int sliderEndX = sliderStartX + sliderWidth;

	// draw slider
	float sliderValue = (float) (option.getIntegerValue() - option.getMinValue()) / (option.getMaxValue() - option.getMinValue());
	float sliderBallPos = sliderStartX + (int) ((sliderWidth - controlImageSize) * sliderValue);
	g.setLineWidth(3f);
	g.setColor(COLOR_PINK);
	if (sliderValue > 0.0001f)
		g.drawLine(sliderStartX, cy + optionHeight / 2, sliderBallPos, cy + optionHeight / 2);
	sliderBallImg.draw(sliderBallPos, cy + controlImagePadding, COLOR_PINK);
	if (sliderValue < 0.999f) {
		float oldAlpha = COLOR_PINK.a;
		COLOR_PINK.a *= 0.45f;
		g.setColor(COLOR_PINK);
		g.drawLine(sliderBallPos + controlImageSize + 1, cy + optionHeight / 2, sliderEndX, cy + optionHeight / 2);
		COLOR_PINK.a = oldAlpha;
	}
}
 

/**
 * Draws arcs
 * @param g
 */
void arcTest(Graphics g) {
	
	if(hideOverlay == false) {
		g.setColor(overlayColor);
		g.drawLine(198, 100, 198, 198);
		g.drawLine(100, 198, 198, 198);
	}
	
	g.setColor(geomColor);
	g.drawArc(100, 100, 99, 99, 0, 90);


}
 

/**
 * Draws ovals
 * @param g
 */
void ovalTest(Graphics g) {

	g.setColor(geomColor);
	g.drawOval(100, 100, 99, 99);
	g.fillOval(100, 250, 99, 99);
	
	//Circle circ = new Circle(400, 100, 99);
	Ellipse elip = new Ellipse(449, 149, 49, 49);
	g.draw(elip);
	elip = new Ellipse(449, 299, 49, 49);
	g.fill(elip);
	
	if(hideOverlay == false) {
		g.setColor(overlayColor);
		g.drawLine(100, 149, 198, 149);
		g.drawLine(149, 100, 149, 198);
		
		g.drawLine(100, 149 + 150, 198, 149 + 150);
		g.drawLine(149, 100 + 150, 149, 198 + 150);
		
		g.drawLine(100 + 300, 149, 198 + 300, 149);
		g.drawLine(149 + 300, 100, 149 + 300, 198);			
		
		g.drawLine(100 + 300, 149 + 150, 198 + 300, 149 + 150);
		g.drawLine(149 + 300, 100 + 150, 149 + 300, 198 + 150);			
	}
	

}
 

/** Renders the user creation menu. */
private void renderUserCreate(Graphics g, float alpha) {
	COLOR_WHITE.a = COLOR_RED.a = alpha;
	COLOR_GRAY.a = alpha * 0.8f;

	// title
	String title = "Add User";
	Fonts.XLARGE.drawString(
		x + (width - Fonts.XLARGE.getWidth(title)) / 2,
		(int) (y + titleY),
		title, COLOR_WHITE
	);

	// user button
	int cy = (int) (y + usersStartY);
	String caption = "Click the profile below to create it.";
	Fonts.MEDIUM.drawString(x + (width - Fonts.MEDIUM.getWidth(caption)) / 2, cy, caption, COLOR_WHITE);
	cy += Fonts.MEDIUM.getLineHeight();
	newUserButton.draw(g, alpha);
	cy += UserButton.getHeight() + Fonts.MEDIUMBOLD.getLineHeight();

	// user name
	String nameHeader = "Name";
	Fonts.MEDIUMBOLD.drawString(x + (width - Fonts.MEDIUMBOLD.getWidth(nameHeader)) / 2, cy, nameHeader, COLOR_WHITE);
	cy += Fonts.MEDIUMBOLD.getLineHeight();
	Color textColor = COLOR_WHITE;
	String name = newUser.getName();
	if (name.isEmpty()) {
		name = "Type a name...";
		textColor = COLOR_GRAY;
	} else if (!UserList.get().isValidUserName(name))
		textColor = COLOR_RED;
	int textWidth = Fonts.LARGE.getWidth(name);
	int searchTextX = (int) (x + (width - textWidth) / 2);
	Fonts.LARGE.drawString(searchTextX, cy, name, textColor);
	cy += Fonts.LARGE.getLineHeight();
	g.setColor(textColor);
	g.setLineWidth(2f);
	g.drawLine(searchTextX, cy, searchTextX + textWidth, cy);
	cy += Fonts.MEDIUMBOLD.getLineHeight();

	// user icons
	renderUserIcons(g, newUser.getIconId(), "Icon", cy, alpha);
}
 

/**
 * Render the game - in this case render the map and diagnostic data
 * 
 * @param container The container we're running the game in
 * @param g The graphics context on which to render
 */
public void render(GameContainer container, Graphics g)
		throws SlickException {
	g.translate(50,50);
	for (int x=0;x<50;x++) {
		for (int y=0;y<50;y++) {
			if (dataMap.blocked(this, x, y)) {
				g.setColor(Color.gray);
				g.fillRect((x*10)+1,(y*10)+1,8,8);
			}
		}
	}
	
	if (showSpaces) {
		for (int i=0;i<navMesh.getSpaceCount();i++) {
			Space space = navMesh.getSpace(i);
			if (builder.clear(dataMap, space)) {
				g.setColor(new Color(1,1,0,0.5f));
				g.fillRect(space.getX()*10, space.getY()*10, space.getWidth()*10, space.getHeight()*10);
			}
			g.setColor(Color.yellow);
			g.drawRect(space.getX()*10, space.getY()*10, space.getWidth()*10, space.getHeight()*10);

			if (showLinks) {
				int links = space.getLinkCount();
				for (int j=0;j<links;j++) {
					Link link = space.getLink(j);
					g.setColor(Color.red);
					g.fillRect((link.getX()*10)-2, (link.getY()*10)-2,5,5);
				}
			}
		}
	}
	
	if (path != null) {
		g.setColor(Color.white);
		for (int i=0;i<path.length()-1;i++) {
			g.drawLine(path.getX(i)*10, path.getY(i)*10, path.getX(i+1)*10, path.getY(i+1)*10);
		}
	}
}
 

/**
 * @see org.newdawn.slick.BasicGame#render(org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
 */
public void render(GameContainer container, Graphics g) throws SlickException {
	g.setColor(Color.white);
	
	g.setAntiAlias(true);
	for (int x=0;x<360;x+=10) {
		g.drawLine(700,100,(int) (700+(Math.cos(Math.toRadians(x))*100)),
						   (int) (100+(Math.sin(Math.toRadians(x))*100)));
	}
	g.setAntiAlias(false);
	
	g.setColor(Color.yellow);
	g.drawString("The Graphics Test!", 300, 50);
	g.setColor(Color.white);
	g.drawString("Space - Toggles clipping", 400, 80);
	g.drawString("Frame rate capped to 100", 400, 120);
	
	if (clip) {
		g.setColor(Color.gray);
		g.drawRect(100,260,400,100);
		g.setClip(100,260,400,100);
	}

	g.setColor(Color.yellow);
	g.translate(100, 120);
	g.fill(poly);
	g.setColor(Color.blue);
	g.setLineWidth(3);
	g.draw(poly);
	g.setLineWidth(1);
	g.translate(0, 230);
	g.draw(poly);
	g.resetTransform();
	
	g.setColor(Color.magenta);
	g.drawRoundRect(10, 10, 100, 100, 10);
	g.fillRoundRect(10, 210, 100, 100, 10);
	
	g.rotate(400, 300, ang);
	g.setColor(Color.green);
	g.drawRect(200,200,200,200);
	g.setColor(Color.blue);
	g.fillRect(250,250,100,100);

	g.drawImage(image, 300,270);
	
	g.setColor(Color.red);
	g.drawOval(100,100,200,200);
	g.setColor(Color.red.darker());
	g.fillOval(300,300,150,100);
	g.setAntiAlias(true);
	g.setColor(Color.white);
	g.setLineWidth(5.0f);
	g.drawOval(300,300,150,100);
	g.setAntiAlias(true);
	g.resetTransform();
	
	if (clip) {
		g.clearClip();
	}
}
 

/**
 * Draw the line to the provided graphics context
 * 
 * @param g The graphics context on which to draw the line
 */
public void draw(Graphics g) {
	g.drawLine(oldx, oldy, newx, newy);
}