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Merge branch 'main' into main

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This commit is contained in:
JustEngineerLGTM
2025-10-13 12:56:36 +03:00
committed by GitHub
parent 027b06262a 90c610c3eb
commit 02bfff2c41
1 changed files with 42 additions and 16 deletions
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Extension/scripts/overlay-manager.js
+42 -16
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@@ -435,26 +435,44 @@ class OverlayManager {
const chunkCtx = chunkCanvas.getContext('2d');
chunkCtx.imageSmoothingEnabled = false;
chunkCtx.drawImage(this.imageBitmap, sX, sY, sW, sH, dX, dY, sW, sH);
// Blue marble effect with faster pixel manipulation
const blueMarbleEnabled = window.state?.blueMarbleEnabled || false;
if (blueMarbleEnabled) {
const imageData = chunkCtx.getImageData(dX, dY, sW, sH);
// Blue marble effect: scale canvas 3x and show only center pixels of each 3x3 block
const shreadSize = 3;
const scaledWidth = sW * shreadSize;
const scaledHeight = sH * shreadSize;
const scaledDX = dX * shreadSize;
const scaledDY = dY * shreadSize;
// Resize chunk canvas to be 3x larger
const scaledCanvas = new OffscreenCanvas(this.tileSize * shreadSize, this.tileSize * shreadSize);
const scaledCtx = scaledCanvas.getContext('2d');
scaledCtx.imageSmoothingEnabled = false;
// Draw scaled image
scaledCtx.drawImage(this.imageBitmap, sX, sY, sW, sH, scaledDX, scaledDY, scaledWidth, scaledHeight);
// Get image data and make non-center pixels transparent
const imageData = scaledCtx.getImageData(scaledDX, scaledDY, scaledWidth, scaledHeight);
const data = imageData.data;
// Faster pixel manipulation using typed arrays
for (let i = 0; i < data.length; i += 4) {
const pixelIndex = i / 4;
const pixelY = Math.floor(pixelIndex / sW);
const pixelX = pixelIndex % sW;
if ((pixelX + pixelY) % 2 === 0 && data[i + 3] > 0) {
data[i + 3] = 0; // Set alpha to 0
for (let y = 0; y < scaledHeight; y++) {
for (let x = 0; x < scaledWidth; x++) {
const i = (y * scaledWidth + x) * 4;
// Keep only center pixel of each 3x3 block (x % 3 === 1 && y % 3 === 1)
if (x % shreadSize !== 1 || y % shreadSize !== 1) {
data[i + 3] = 0; // Set alpha to 0
}
}
}
chunkCtx.putImageData(imageData, dX, dY);
scaledCtx.putImageData(imageData, scaledDX, scaledDY);
// Return the 3x scaled canvas
return await scaledCanvas.transferToImageBitmap();
} else {
chunkCtx.drawImage(this.imageBitmap, sX, sY, sW, sH, dX, dY, sW, sH);
}
return await chunkCanvas.transferToImageBitmap();
@@ -632,14 +650,22 @@ class OverlayManager {
*/
async _compositeTileOptimized(originalBlob, overlayBitmap) {
const originalBitmap = await createImageBitmap(originalBlob);
const canvas = new OffscreenCanvas(originalBitmap.width, originalBitmap.height);
const blueMarbleEnabled = window.state?.blueMarbleEnabled || false;
// Blue marble mode uses 3x scaled canvas
const scale = blueMarbleEnabled ? 3 : 1;
const canvasWidth = originalBitmap.width * scale;
const canvasHeight = originalBitmap.height * scale;
const canvas = new OffscreenCanvas(canvasWidth, canvasHeight);
const ctx = canvas.getContext('2d');
// Disable antialiasing for pixel-perfect rendering
ctx.imageSmoothingEnabled = false;
// Draw original tile first
ctx.drawImage(originalBitmap, 0, 0);
// Draw original tile first (scaled if blue marble mode)
ctx.drawImage(originalBitmap, 0, 0, originalBitmap.width, originalBitmap.height,
0, 0, canvasWidth, canvasHeight);
// Set opacity and draw overlay with optimized blend mode
const overlayOpacity = window.state?.overlayOpacity || 0.6;