sigonasr2/PixelEngine
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Resizing window canvas

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Co-authored-by: sigonasr2 <sigonasr2@gmail.com>
This commit is contained in:
sigonasr2 2022-12-01 21:52:10 -06:00
parent ef4a529157
commit 321f682030
2 changed files with 37 additions and 26 deletions
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2
src/sig/JavaProjectTemplate.java
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@ -86,8 +86,6 @@ public class JavaProjectTemplate {
game.Draw(100,20,Color.BLACK); //That's not a dead pixel, it's a black one! game.Draw(100,20,Color.BLACK); //That's not a dead pixel, it's a black one!
game.Draw_Line(10,10,35,35,Color.BLACK); //Line Drawing game.Draw_Line(10,10,35,35,Color.BLACK); //Line Drawing
game.FillCircle(WINDOW_WIDTH/2, WINDOW_HEIGHT/2, 100, Color.BLACK);
game.Draw_Sprite(450,75,bookSpr,Color.GREEN); //Sprite drawing (with green tint) game.Draw_Sprite(450,75,bookSpr,Color.GREEN); //Sprite drawing (with green tint)
game.Draw_Sprite(450,75+bookSpr.getHeight(),bookSpr,Transform.VERTICAL); //Sprite drawing with vertical flip game.Draw_Sprite(450,75+bookSpr.getHeight(),bookSpr,Transform.VERTICAL); //Sprite drawing with vertical flip

61
src/sig/engine/Panel.java
View File

@ -11,6 +11,8 @@ import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener; import java.awt.event.MouseMotionListener;
import java.awt.event.MouseWheelEvent; import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener; import java.awt.event.MouseWheelListener;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentAdapter;
import java.awt.GraphicsEnvironment; import java.awt.GraphicsEnvironment;
import java.awt.GraphicsConfiguration; import java.awt.GraphicsConfiguration;
@ -25,6 +27,7 @@ import java.awt.Graphics2D;
import java.awt.RenderingHints; import java.awt.RenderingHints;
import java.awt.Cursor; import java.awt.Cursor;
import java.awt.Dimension;
import sig.JavaProjectTemplate; import sig.JavaProjectTemplate;
@ -62,6 +65,8 @@ public class Panel extends JPanel implements Runnable,KeyListener {
public static Panel p; public static Panel p;
public static JFrame f; public static JFrame f;
int ACTUAL_WINDOW_WIDTH,ACTUAL_WINDOW_HEIGHT;
static Cursor currentCursor = new Cursor(Cursor.DEFAULT_CURSOR); static Cursor currentCursor = new Cursor(Cursor.DEFAULT_CURSOR);
public static void InitializeEngine(JavaProjectTemplate instance){ public static void InitializeEngine(JavaProjectTemplate instance){
@ -78,12 +83,21 @@ public class Panel extends JPanel implements Runnable,KeyListener {
RENDERHINTS.put(RenderingHints.KEY_RENDERING,RenderingHints.VALUE_RENDER_SPEED); RENDERHINTS.put(RenderingHints.KEY_RENDERING,RenderingHints.VALUE_RENDER_SPEED);
f = new JFrame(JavaProjectTemplate.PROGRAM_NAME); f = new JFrame(JavaProjectTemplate.PROGRAM_NAME);
f.setResizable(false); f.setResizable(true);
f.setSize(JavaProjectTemplate.WINDOW_WIDTH,JavaProjectTemplate.WINDOW_HEIGHT); f.setSize(JavaProjectTemplate.WINDOW_WIDTH,JavaProjectTemplate.WINDOW_HEIGHT);
f.addComponentListener(new ComponentAdapter() {
public void componentResized(ComponentEvent e) {
Dimension d = p.getSize();
p.pixel=new int[(int)d.getWidth()*(int)d.getHeight()];
p.ACTUAL_WINDOW_WIDTH=(int)d.getWidth();
p.ACTUAL_WINDOW_HEIGHT=(int)d.getHeight();
p.init(false);
}
});
p = new Panel(f); p = new Panel(f);
JavaProjectTemplate.game=p; JavaProjectTemplate.game=p;
p.init(); p.init(true);
f.add(p); f.add(p);
f.addKeyListener(p); f.addKeyListener(p);
@ -206,27 +220,26 @@ public class Panel extends JPanel implements Runnable,KeyListener {
/** /**
* Call it after been visible and after resizes. * Call it after been visible and after resizes.
*/ */
public void init(){ public void init(boolean runThread){
cm = getCompatibleColorModel(); cm = getCompatibleColorModel();
int screenSize = JavaProjectTemplate.WINDOW_WIDTH * JavaProjectTemplate.WINDOW_HEIGHT; int screenSize = ACTUAL_WINDOW_WIDTH * ACTUAL_WINDOW_HEIGHT;
if(pixel == null || pixel.length < screenSize){ if(pixel == null || pixel.length < screenSize){
pixel = new int[screenSize]; pixel = new int[screenSize];
} }
mImageProducer = new MemoryImageSource(JavaProjectTemplate.WINDOW_WIDTH, JavaProjectTemplate.WINDOW_HEIGHT, cm, pixel,0, JavaProjectTemplate.WINDOW_WIDTH); mImageProducer = new MemoryImageSource(ACTUAL_WINDOW_WIDTH, ACTUAL_WINDOW_HEIGHT, cm, pixel,0, ACTUAL_WINDOW_WIDTH);
mImageProducer.setAnimated(true); mImageProducer.setAnimated(true);
mImageProducer.setFullBufferUpdates(true); mImageProducer.setFullBufferUpdates(true);
imageBuffer = Toolkit.getDefaultToolkit().createImage(mImageProducer); imageBuffer = Toolkit.getDefaultToolkit().createImage(mImageProducer);
if(thread.isInterrupted() || !thread.isAlive()){ if(runThread && thread.isInterrupted() || !thread.isAlive()){
thread.start(); thread.start();
} }
} }
@Override @Override
public void paintComponent(Graphics g) { public void paintComponent(Graphics g) {
//super.paintComponent(g);
// perform draws on pixels // perform draws on pixels
long startTime = System.currentTimeMillis(); long startTime = System.currentTimeMillis();
g.drawImage(this.imageBuffer,0,0,JavaProjectTemplate.WINDOW_WIDTH,JavaProjectTemplate.WINDOW_HEIGHT,0,0,JavaProjectTemplate.WINDOW_WIDTH,JavaProjectTemplate.WINDOW_HEIGHT,this); g.drawImage(this.imageBuffer,0,0,ACTUAL_WINDOW_WIDTH,ACTUAL_WINDOW_HEIGHT,0,0,ACTUAL_WINDOW_WIDTH,ACTUAL_WINDOW_HEIGHT,this);
scaleTime=System.currentTimeMillis()-startTime; scaleTime=System.currentTimeMillis()-startTime;
} }
@ -308,12 +321,12 @@ public class Panel extends JPanel implements Runnable,KeyListener {
} }
public void Draw(int x, int y, Color col) { public void Draw(int x, int y, Color col) {
if (x<0||y<0||x>=JavaProjectTemplate.WINDOW_WIDTH||y>=JavaProjectTemplate.WINDOW_HEIGHT) return; if (x<0||y<0||x>=ACTUAL_WINDOW_WIDTH||y>=ACTUAL_WINDOW_HEIGHT) return;
Draw(y*JavaProjectTemplate.WINDOW_WIDTH+x,col.getColor()); Draw(y*ACTUAL_WINDOW_WIDTH+x,col.getColor());
} }
void Draw(int index, int col) { void Draw(int index, int col) {
if (((col>>>24)&0xff)==0) return; if (((col>>>24)&0xff)==0||index>=pixel.length) return;
if (((col>>>24)&0xff)!=255) { if (((col>>>24)&0xff)!=255) {
pixel[index]=ColorLerpNoAlpha(new Color(pixel[index]),new Color(col),((col>>>24)&0xff)/255f).getColor(); pixel[index]=ColorLerpNoAlpha(new Color(pixel[index]),new Color(col),((col>>>24)&0xff)/255f).getColor();
} else { } else {
@ -443,7 +456,7 @@ public class Panel extends JPanel implements Runnable,KeyListener {
} }
px=px+2*(dy1-dx1); px=px+2*(dy1-dx1);
} }
Draw(y*JavaProjectTemplate.WINDOW_WIDTH+x,col.getColor()); Draw(y*ACTUAL_WINDOW_WIDTH+x,col.getColor());
} }
} else { } else {
if (dy>=0) { if (dy>=0) {
@ -451,7 +464,7 @@ public class Panel extends JPanel implements Runnable,KeyListener {
} else { } else {
x=x2-1;y=y2-1;ye=y1; x=x2-1;y=y2-1;ye=y1;
} }
Draw(y*JavaProjectTemplate.WINDOW_WIDTH+x,col.getColor()); Draw(y*ACTUAL_WINDOW_WIDTH+x,col.getColor());
while (y<ye) { while (y<ye) {
y=y+1; y=y+1;
if (py<=0) { if (py<=0) {
@ -464,7 +477,7 @@ public class Panel extends JPanel implements Runnable,KeyListener {
} }
py=py+2*(dx1-dy1); py=py+2*(dx1-dy1);
} }
Draw(y*JavaProjectTemplate.WINDOW_WIDTH+x,col.getColor()); Draw(y*ACTUAL_WINDOW_WIDTH+x,col.getColor());
} }
} }
} }
@ -472,8 +485,8 @@ public class Panel extends JPanel implements Runnable,KeyListener {
public void Fill_Rect(double x,double y,double w,double h,Color col) { public void Fill_Rect(double x,double y,double w,double h,Color col) {
for (int xx=0;xx<w;xx++) { for (int xx=0;xx<w;xx++) {
for (int yy=0;yy<h;yy++) { for (int yy=0;yy<h;yy++) {
if (x+xx>=0&&y+yy>=0&&x+xx<JavaProjectTemplate.WINDOW_WIDTH&&y+yy<JavaProjectTemplate.WINDOW_HEIGHT) { if (x+xx>=0&&y+yy>=0&&x+xx<ACTUAL_WINDOW_WIDTH&&y+yy<ACTUAL_WINDOW_HEIGHT) {
int index = ((int)y+yy)*JavaProjectTemplate.WINDOW_WIDTH+(int)x+xx; int index = ((int)y+yy)*ACTUAL_WINDOW_WIDTH+(int)x+xx;
Draw(index,col.getColor()); Draw(index,col.getColor());
} }
} }
@ -518,14 +531,14 @@ public class Panel extends JPanel implements Runnable,KeyListener {
boolean vertical = transform==Transform.VERTICAL||transform==Transform.HORIZ_VERTIC; boolean vertical = transform==Transform.VERTICAL||transform==Transform.HORIZ_VERTIC;
for(int X=(int)xOffset;X<(int)(w+xOffset);X++){ for(int X=(int)xOffset;X<(int)(w+xOffset);X++){
for(int Y=(int)yOffset;Y<(int)(h+yOffset);Y++){ for(int Y=(int)yOffset;Y<(int)(h+yOffset);Y++){
if (X+x-xOffset<0||Y+y-yOffset<0||X-xOffset+x>=JavaProjectTemplate.WINDOW_WIDTH||Y-yOffset+y>=JavaProjectTemplate.WINDOW_HEIGHT) { if (X+x-xOffset<0||Y+y-yOffset<0||X-xOffset+x>=ACTUAL_WINDOW_WIDTH||Y-yOffset+y>=ACTUAL_WINDOW_HEIGHT) {
continue; continue;
} else { } else {
int index = int index =
((vertical? ((vertical?
sprite.getHeight()-(Y-(int)yOffset): sprite.getHeight()-(Y-(int)yOffset):
(Y-(int)yOffset)) (Y-(int)yOffset))
+(int)y)*JavaProjectTemplate.WINDOW_WIDTH+ +(int)y)*ACTUAL_WINDOW_WIDTH+
(horizontal? (horizontal?
sprite.getWidth()-(X-(int)xOffset): sprite.getWidth()-(X-(int)xOffset):
(X-(int)xOffset)) (X-(int)xOffset))
@ -838,7 +851,7 @@ public class Panel extends JPanel implements Runnable,KeyListener {
//The mask indicates which pie slices to draw, each bit of the mask represents 1/8th of a pie slice. By default all pie slices are drawn. //The mask indicates which pie slices to draw, each bit of the mask represents 1/8th of a pie slice. By default all pie slices are drawn.
public void Draw_Circle(int x, int y, int radius, Color col, byte mask) { public void Draw_Circle(int x, int y, int radius, Color col, byte mask) {
if (radius < 0 || x < -radius || y < -radius || x - JavaProjectTemplate.WINDOW_WIDTH > radius || y - JavaProjectTemplate.WINDOW_HEIGHT > radius) if (radius < 0 || x < -radius || y < -radius || x - ACTUAL_WINDOW_WIDTH > radius || y - ACTUAL_WINDOW_HEIGHT > radius)
return; return;
if (radius > 0) if (radius > 0)
@ -873,7 +886,7 @@ public class Panel extends JPanel implements Runnable,KeyListener {
} }
public void Fill_Circle(int x, int y, int radius, Color col) { public void Fill_Circle(int x, int y, int radius, Color col) {
if (radius < 0 || x < -radius || y < -radius || x - JavaProjectTemplate.WINDOW_WIDTH > radius || y - JavaProjectTemplate.WINDOW_HEIGHT > radius) if (radius < 0 || x < -radius || y < -radius || x - ACTUAL_WINDOW_WIDTH > radius || y - ACTUAL_WINDOW_HEIGHT > radius)
return; return;
if (radius > 0) if (radius > 0)
@ -957,9 +970,9 @@ public class Panel extends JPanel implements Runnable,KeyListener {
public void Clear(Color col){ public void Clear(Color col){
for (int y=0;y<JavaProjectTemplate.WINDOW_HEIGHT;y++) { for (int y=0;y<ACTUAL_WINDOW_HEIGHT;y++) {
for (int x=0;x<JavaProjectTemplate.WINDOW_WIDTH;x++) { for (int x=0;x<ACTUAL_WINDOW_WIDTH;x++) {
Draw(y*JavaProjectTemplate.WINDOW_WIDTH+x,col.getColor()); Draw(y*ACTUAL_WINDOW_WIDTH+x,col.getColor());
} }
} }
} }