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base: DaniTheSkunk:ba42f2d3bf6bf1f0a9904fdbb9e00720b1b0089a
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DaniTheSkunk:main
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compare: DaniTheSkunk:4a16dbfc9fe20f25ad52afe355c8d64455e5f4ee
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DaniTheSkunk:main

2 Commits
ba42f2d3bf ... 4a16dbfc9f

Author SHA1 Message Date
DaniTheSkunk 4a16dbfc9f added Image.drawImage 2022-09-15 23:11:35 +02:00
DaniTheSkunk ef937886cc added Vec2i.ZERO 2022-09-15 23:11:01 +02:00
2 changed files with 27 additions and 8 deletions
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33
com/danitheskunk/skunkworks/Image.java
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@ -43,18 +43,35 @@ public class Image {
public Color getPixel(Vec2i pos) {
int i = pos.getX() * 4 + pos.getY() * 4 * size.getX();
return new Color(
((int)data[i + 0]) & 0xFF,
((int)data[i + 1]) & 0xFF,
((int)data[i + 2]) & 0xFF,
((int)data[i + 3]) & 0xFF
((int) data[i + 0]) & 0xFF,
((int) data[i + 1]) & 0xFF,
((int) data[i + 2]) & 0xFF,
((int) data[i + 3]) & 0xFF
);
}
public void setPixel(Vec2i pos, Color col) {
int i = pos.getX() * 4 + pos.getY() * 4 * size.getX();
data[i + 0] = (byte)(col.r & 0xFF);
data[i + 1] = (byte)(col.g & 0xFF);
data[i + 2] = (byte)(col.b & 0xFF);
data[i + 3] = (byte)(col.a & 0xFF);
data[i + 0] = (byte) (col.r & 0xFF);
data[i + 1] = (byte) (col.g & 0xFF);
data[i + 2] = (byte) (col.b & 0xFF);
data[i + 3] = (byte) (col.a & 0xFF);
}
public void drawImage(Image srcImage, Vec2i destPos) {
drawImage(srcImage, destPos, new Recti(Vec2i.ZERO, srcImage.getSize()));
}
public void drawImage(Image srcImage, Vec2i destPos, Recti srcRect) {
//todo: check bounds
//todo: write in faster way than pixel stuff
for(int y = 0; y < srcRect.getHeight(); ++y) {
for(int x = 0; x < srcRect.getWidth(); ++x) {
var iterPos = new Vec2i(x, y);
var to = Vec2i.add(destPos, iterPos);
var from = Vec2i.add(srcRect.getPos(), iterPos);
setPixel(to, srcImage.getPixel(from));
}
}
}
}

2
com/danitheskunk/skunkworks/Vec2i.java
View File

@ -3,6 +3,8 @@ package com.danitheskunk.skunkworks;
public final class Vec2i {
final int x, y;
public final static Vec2i ZERO = new Vec2i(0, 0);
//constructors
public Vec2i(int x, int y) {