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update

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Silent YANG 2024-05-27 20:30:25 +08:00
parent 9b1517dfcd
commit 8fa70ed4b8
1 changed files with 27 additions and 4 deletions
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31
src/views/list/image/index.vue
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@ -16,6 +16,7 @@
<br>
<a-space>
<a-button @click="selectFile">{{ $t('tool.selectImage') }}</a-button>
<a-button :disabled="state.matrix.length < 64" @click="saveIt">保存</a-button>
<a-button type="primary" :disabled="state.matrix.length < 64" @click="flashIt">{{ $t('tool.write') }}</a-button>
</a-space>
</a-card>
@ -108,10 +109,6 @@ const selectFile = () => {
const canvas = document.createElement("canvas");
canvas.width = 128;
canvas.height = 64;
const canvas2 = canvas.cloneNode();
const canvasDiv = document.getElementById('canvasDiv');
canvasDiv.innerHTML = "";
canvasDiv?.append(canvas, canvas2);
const img = new Image()
img.src = file;
@ -142,6 +139,32 @@ const selectFile = () => {
input.click();
}
const saveIt = async () => {
const matrix = state.matrix
const canvas = document.createElement("canvas");
canvas.width = 128;
canvas.height = 64;
const ctx = canvas.getContext('2d');
if(ctx){
ctx.fillStyle = "#fff";
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.fillStyle = "#000";
}
for (let y = 0; y < 64; y++) {
for (let x = 0; x < 128; x++) {
if(matrix[y][x] == '#000'){
ctx?.beginPath();
ctx?.rect(x, y, 1, 1);
ctx?.fill();
}
}
}
const el = document.createElement('a');
el.href = canvas.toDataURL("image/jpeg", 1.0);
el.download = 'image.jpg';
el.click()
}
const flashIt = async () => {
const outputArray = new Uint8Array(1024);
// getPixel(i) outputs the pixel value for any x y coordinate. 0 = black, 1 = white.