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createElement to createCanvas

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Dariusz L
2025-07-27 20:02:45 +02:00
parent f36f91487f
commit 64ee2c6abb
16 changed files with 74 additions and 180 deletions
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31
src/CanvasLayers.ts
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@@ -522,13 +522,9 @@ export class CanvasLayers {
async getLayerImageData(layer: Layer): Promise<string> {
try {
const tempCanvas = document.createElement('canvas');
const tempCtx = tempCanvas.getContext('2d', { willReadFrequently: true });
const { canvas: tempCanvas, ctx: tempCtx } = createCanvas(layer.width, layer.height, '2d', { willReadFrequently: true });
if (!tempCtx) throw new Error("Could not create canvas context");
tempCanvas.width = layer.width;
tempCanvas.height = layer.height;
// We need to draw the layer relative to the new canvas, so we "move" it to 0,0
// by creating a temporary layer object for drawing.
const layerToDraw = {
@@ -937,10 +933,7 @@ export class CanvasLayers {
bounds = { x: minX, y: minY, width: newWidth, height: newHeight };
}
const tempCanvas = document.createElement('canvas');
tempCanvas.width = bounds.width;
tempCanvas.height = bounds.height;
const tempCtx = tempCanvas.getContext('2d', { willReadFrequently: true });
const { canvas: tempCanvas, ctx: tempCtx } = createCanvas(bounds.width, bounds.height, '2d', { willReadFrequently: true });
if (!tempCtx) {
reject(new Error("Could not create canvas context"));
return;
@@ -1042,10 +1035,7 @@ export class CanvasLayers {
async getFlattenedMaskAsBlob(): Promise<Blob | null> {
return new Promise((resolve, reject) => {
const bounds = this.canvas.outputAreaBounds;
const maskCanvas = document.createElement('canvas');
maskCanvas.width = bounds.width;
maskCanvas.height = bounds.height;
const maskCtx = maskCanvas.getContext('2d', { willReadFrequently: true });
const { canvas: maskCanvas, ctx: maskCtx } = createCanvas(bounds.width, bounds.height, '2d', { willReadFrequently: true });
if (!maskCtx) {
reject(new Error("Could not create mask context"));
@@ -1060,10 +1050,7 @@ export class CanvasLayers {
maskCtx.fillRect(0, 0, bounds.width, bounds.height);
// Stwórz canvas do sprawdzenia przezroczystości warstw
const visibilityCanvas = document.createElement('canvas');
visibilityCanvas.width = bounds.width;
visibilityCanvas.height = bounds.height;
const visibilityCtx = visibilityCanvas.getContext('2d', { alpha: true });
const { canvas: visibilityCanvas, ctx: visibilityCtx } = createCanvas(bounds.width, bounds.height, '2d', { alpha: true });
if (!visibilityCtx) {
reject(new Error("Could not create visibility context"));
return;
@@ -1101,10 +1088,7 @@ export class CanvasLayers {
}
// Stwórz tymczasowy canvas dla przetworzonej maski
const tempMaskCanvas = document.createElement('canvas');
tempMaskCanvas.width = toolMaskCanvas.width;
tempMaskCanvas.height = toolMaskCanvas.height;
const tempMaskCtx = tempMaskCanvas.getContext('2d', { willReadFrequently: true });
const { canvas: tempMaskCanvas, ctx: tempMaskCtx } = createCanvas(toolMaskCanvas.width, toolMaskCanvas.height, '2d', { willReadFrequently: true });
if (tempMaskCtx) {
tempMaskCtx.putImageData(tempMaskData, 0, 0);
@@ -1174,10 +1158,7 @@ export class CanvasLayers {
return;
}
const tempCanvas = document.createElement('canvas');
tempCanvas.width = fusedWidth;
tempCanvas.height = fusedHeight;
const tempCtx = tempCanvas.getContext('2d', { willReadFrequently: true });
const { canvas: tempCanvas, ctx: tempCtx } = createCanvas(fusedWidth, fusedHeight, '2d', { willReadFrequently: true });
if (!tempCtx) throw new Error("Could not create canvas context");
tempCtx.translate(-minX, -minY);