Lea/web-apps
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

[DE mobile] Bug 57315

Browse source
This commit is contained in:
Julia Radzhabova 2022-05-24 18:42:12 +03:00
parent 6a0509e1ea
commit bf0b45cef9
2 changed files with 125 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

126
apps/documenteditor/mobile/src/store/textSettings.js
View file

@ -129,9 +129,129 @@ export class storeTextSettings {
}
loadSprite() {
this.spriteThumbs = new Image();
this.spriteCols = Math.floor(this.spriteThumbs.width / (this.thumbs[this.thumbIdx].width)) || 1;
this.spriteThumbs.src = this.thumbs[this.thumbIdx].path;
function CThumbnailLoader() {
this.supportBinaryFormat = (window['AscDesktopEditor'] && !window['AscDesktopEditor']['isSupportBinaryFontsSprite']) ? false : true;
this.image = null;
this.binaryFormat = null;
this.data = null;
this.width = 0;
this.height = 0;
this.heightOne = 0;
this.count = 0;
this.load = function(url, callback) {
if (!callback)
return;
if (!this.supportBinaryFormat) {
this.width = thumbs[thumbIdx].width;
this.heightOne = thumbs[thumbIdx].height;
this.image = new Image();
this.image.onload = callback;
this.image.src = thumbs[thumbIdx].path;
} else {
var me = this;
var xhr = new XMLHttpRequest();
xhr.open('GET', url + ".bin", true);
xhr.responseType = 'arraybuffer';
if (xhr.overrideMimeType)
xhr.overrideMimeType('text/plain; charset=x-user-defined');
else
xhr.setRequestHeader('Accept-Charset', 'x-user-defined');
xhr.onload = function() {
// TODO: check errors
me.binaryFormat = this.response;
callback();
};
xhr.send(null);
}
};
this.openBinary = function(arrayBuffer) {
//var t1 = performance.now();
var binaryAlpha = new Uint8Array(arrayBuffer);
this.width = (binaryAlpha[0] << 24) | (binaryAlpha[1] << 16) | (binaryAlpha[2] << 8) | (binaryAlpha[3] << 0);
this.heightOne = (binaryAlpha[4] << 24) | (binaryAlpha[5] << 16) | (binaryAlpha[6] << 8) | (binaryAlpha[7] << 0);
this.count = (binaryAlpha[8] << 24) | (binaryAlpha[9] << 16) | (binaryAlpha[10] << 8) | (binaryAlpha[11] << 0);
this.height = this.count * this.heightOne;
this.data = new Uint8ClampedArray(4 * this.width * this.height);
var binaryIndex = 12;
var binaryLen = binaryAlpha.length;
var imagePixels = this.data;
var index = 0;
var len0 = 0;
var tmpValue = 0;
while (binaryIndex < binaryLen) {
tmpValue = binaryAlpha[binaryIndex++];
if (0 == tmpValue) {
len0 = binaryAlpha[binaryIndex++];
while (len0 > 0) {
len0--;
imagePixels[index] = imagePixels[index + 1] = imagePixels[index + 2] = 255;
imagePixels[index + 3] = 0; // this value is already 0.
index += 4;
}
} else {
imagePixels[index] = imagePixels[index + 1] = imagePixels[index + 2] = 255 - tmpValue;
imagePixels[index + 3] = tmpValue;
index += 4;
}
}
//var t2 = performance.now();
//console.log(t2 - t1);
};
this.getImage = function(index, canvas, ctx) {
//var t1 = performance.now();
if (!canvas)
{
canvas = document.createElement("canvas");
canvas.width = this.width;
canvas.height = this.heightOne;
canvas.style.width = iconWidth + "px";
canvas.style.height = iconHeight + "px";
ctx = canvas.getContext("2d");
}
if (this.supportBinaryFormat) {
if (!this.data) {
this.openBinary(this.binaryFormat);
delete this.binaryFormat;
}
var dataTmp = ctx.createImageData(this.width, this.heightOne);
var sizeImage = 4 * this.width * this.heightOne;
dataTmp.data.set(new Uint8ClampedArray(this.data.buffer, index * sizeImage, sizeImage));
ctx.putImageData(dataTmp, 0, 0);
} else {
ctx.clearRect(0, 0, this.width, this.heightOne);
ctx.drawImage(this.image, 0, -this.heightOne * index);
}
//var t2 = performance.now();
//console.log(t2 - t1);
return canvas;
};
}
this.spriteThumbs = new CThumbnailLoader();
this.spriteThumbs.load(this.thumbs[this.thumbIdx].path, () => {
this.spriteCols = Math.floor(this.spriteThumbs.width / (this.thumbs[this.thumbIdx].width)) || 1;
});
}
resetFontName (font) {

6
apps/documenteditor/mobile/src/view/edit/EditText.jsx
View file

@ -32,10 +32,8 @@ const PageFonts = props => {
const getImageUri = fonts => {
return fonts.map(font => {
thumbContext.clearRect(0, 0, thumbs[thumbIdx].width, thumbs[thumbIdx].height);
thumbContext.drawImage(spriteThumbs, 0, -thumbs[thumbIdx].height * Math.floor(font.imgidx / spriteCols));
return thumbCanvas.toDataURL();
let index = Math.floor(font.imgidx/spriteCols);
return spriteThumbs.getImage(index, thumbCanvas, thumbContext).toDataURL();
});
};