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build wasm module

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This commit is contained in:
Kulikova Svetlana
2021-10-05 19:17:39 +03:00
parent 5702a34d69
commit 3f73c12f83
15 changed files with 876 additions and 1083 deletions
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8
DjVuFile/wasm/all_files_test/code.js
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@ -114,7 +114,7 @@ window.onload = function()
this.documentHeight = 0;
this.Selection = { IsSelection : false, Image : null, page : -1 };
this.file = new AscViewer.DjVuFile();
this.file = new AscViewer.CDrawingFile();
/*
[TIMER START]
@ -373,7 +373,7 @@ window.onload = function()
this.getStructure = function()
{
var res = this.file.structure();
var res = this.file.getStructure();
return res;
};
@ -469,7 +469,7 @@ window.onload = function()
if (!page.Image)
{
page.Image = this.file.getPage(i, w, h);
this.getGlyphs(i, w, h);
//this.getGlyphs(i, w, h);
this.links = this.getLinks(i, w, h);
this.links.Page = i;
}
@ -487,7 +487,7 @@ window.onload = function()
for (let j = 0; j < this.links.length; j++)
{
let Link = this.links[j];
ctx.fillRect(x + Link.X, y + Link.Y, Link.W, Link.H);
ctx.fillRect(x + Link.x, y + Link.y, Link.w, Link.h);
}
}

610
DjVuFile/wasm/all_files_test/drawingfile.js Normal file
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DjVuFile/wasm/all_files_test/drawingfile.wasm Normal file
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198
DjVuFile/wasm/all_files_test/file.js
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@ -242,156 +242,6 @@
return "";
};
CFile.prototype.isValid = function()
{
return this.pages.length > 0;
};
// private functions
CFile.prototype._pixelsToCanvas2d = function(pixels, width, height)
{
var canvas = null;
if (this.cacheManager)
{
canvas = this.cacheManager.lock(width, height);
}
else
{
canvas = document.createElement("canvas");
canvas.width = width;
canvas.height = height;
}
var mappedBuffer = new Uint8ClampedArray(this.memory().buffer, pixels, 4 * width * height);
var imageData = new ImageData(mappedBuffer, width, height);
var ctx = canvas.getContext("2d");
if (ctx)
ctx.putImageData(imageData, 0, 0);
return canvas;
};
CFile.prototype._pixelsToCanvas3d = function(pixels, width, height)
{
var vs_source = "\
attribute vec2 aVertex;\n\
attribute vec2 aTex;\n\
varying vec2 vTex;\n\
void main() {\n\
gl_Position = vec4(aVertex, 0.0, 1.0);\n\
vTex = aTex;\n\
}";
var fs_source = "\
precision mediump float;\n\
uniform sampler2D uTexture;\n\
varying vec2 vTex;\n\
void main() {\n\
gl_FragColor = texture2D(uTexture, vTex);\n\
}";
var canvas = null;
if (this.cacheManager)
{
canvas = this.cacheManager.lock(width, height);
}
else
{
canvas = document.createElement("canvas");
canvas.width = width;
canvas.height = height;
}
var gl = canvas.getContext('webgl', { preserveDrawingBuffer : true });
if (!gl)
throw new Error('FAIL: could not create webgl canvas context');
var colorCorrect = gl.BROWSER_DEFAULT_WEBGL;
gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, colorCorrect);
gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true);
gl.viewport(0, 0, canvas.width, canvas.height);
gl.clearColor(0, 0, 0, 1);
gl.clear(gl.COLOR_BUFFER_BIT);
if (gl.getError() != gl.NONE)
throw new Error('FAIL: webgl canvas context setup failed');
function createShader(source, type) {
var shader = gl.createShader(type);
gl.shaderSource(shader, source);
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
throw new Error('FAIL: shader ' + id + ' compilation failed');
return shader;
}
var program = gl.createProgram();
gl.attachShader(program, createShader(vs_source, gl.VERTEX_SHADER));
gl.attachShader(program, createShader(fs_source, gl.FRAGMENT_SHADER));
gl.linkProgram(program);
if (!gl.getProgramParameter(program, gl.LINK_STATUS))
throw new Error('FAIL: webgl shader program linking failed');
gl.useProgram(program);
var texture = gl.createTexture();
gl.activeTexture(gl.TEXTURE0);
gl.bindTexture(gl.TEXTURE_2D, texture);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(this.memory().buffer, pixels, 4 * width * height));
if (gl.getError() != gl.NONE)
throw new Error('FAIL: creating webgl image texture failed');
function createBuffer(data) {
var buffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
gl.bufferData(gl.ARRAY_BUFFER, data, gl.STATIC_DRAW);
return buffer;
}
var vertexCoords = new Float32Array([-1, 1, -1, -1, 1, -1, 1, 1]);
var vertexBuffer = createBuffer(vertexCoords);
var location = gl.getAttribLocation(program, 'aVertex');
gl.enableVertexAttribArray(location);
gl.vertexAttribPointer(location, 2, gl.FLOAT, false, 0, 0);
if (gl.getError() != gl.NONE)
throw new Error('FAIL: vertex-coord setup failed');
var texCoords = new Float32Array([0, 1, 0, 0, 1, 0, 1, 1]);
var texBuffer = createBuffer(texCoords);
var location = gl.getAttribLocation(program, 'aTex');
gl.enableVertexAttribArray(location);
gl.vertexAttribPointer(location, 2, gl.FLOAT, false, 0, 0);
if (gl.getError() != gl.NONE)
throw new Error('FAIL: tex-coord setup setup failed');
gl.drawArrays(gl.TRIANGLE_FAN, 0, 4);
return canvas;
};
CFile.prototype._pixelsToCanvas = function(pixels, width, height)
{
if (!this.isUse3d)
{
return this._pixelsToCanvas2d(pixels, width, height);
}
try
{
return this._pixelsToCanvas3d(pixels, width, height);
}
catch (err)
{
this.isUse3d = false;
if (this.cacheManager)
this.cacheManager.clear();
return this._pixelsToCanvas(pixels, width, height);
}
};
window["AscViewer"] = window["AscViewer"] || {};
window["AscViewer"].IFile = CFile;
@ -399,53 +249,7 @@ void main() {\n\
window["AscViewer"].createFile = function(buffer)
{
var data = new Uint8Array(buffer);
var file = null;
var maxCheck = Math.min(100, data.length - 5);
var pdfCheck = [
"%".charCodeAt(0),
"P".charCodeAt(0),
"D".charCodeAt(0),
"F".charCodeAt(0),
"-".charCodeAt(0)
];
var isPdf = false;
for (var i = 0; i < maxCheck; i++)
{
if (data[i + 0] == pdfCheck[0] &&
data[i + 1] == pdfCheck[1] &&
data[i + 2] == pdfCheck[2] &&
data[i + 3] == pdfCheck[3] &&
data[i + 4] == pdfCheck[4])
{
isPdf = true;
break;
}
}
if (isPdf)
{
file = new window["AscViewer"].PdfFile();
file.type = 0;
}
if (data.length > 7 && !file &&
0x41 == data[0] && 0x54 == data[1] && 0x26 == data[2] && 0x54 == data[3] &&
0x46 == data[4] && 0x4f == data[5] && 0x52 == data[6] && 0x4d == data[7])
{
file = new window["AscViewer"].DjVuFile();
}
if (!file)
{
file = new window["AscViewer"].XpsFile();
}
if (!file)
{
file = new window["AscViewer"].PdfFile();
file.type = 1;
}
var file = new window["AscViewer"].CDrawingFile();
file.loadFromData(data);
file.cacheManager = new window.CCacheManager();

4
DjVuFile/wasm/all_files_test/index.html
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@ -6,9 +6,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=IE8">
<script src="./code.js"></script>
<script src="./file.js"></script>
<script src="./djvu.js"></script>
<script src="./pdf.js"></script>
<script src="./xps.js"></script>
<script src="./drawingfile.js"></script>
</head>
<body style="width:100%;height:100%;margin:0;padding:0;overflow-x:scroll;overflow-y:scroll;">
<div id="pos" style="position:absolute;margin:0;padding:0;left:0px;top:0px;width:0px;height:0px;"></div>

116
DjVuFile/wasm/all_files_test/pdf/pdf.js
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DjVuFile/wasm/all_files_test/pdf/pdf.wasm
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352
DjVuFile/wasm/all_files_test/xps_djvu/djvu.js
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389
DjVuFile/wasm/all_files_test/xps_djvu/xps.js
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DjVuFile/wasm/all_files_test/xps_djvu/xps_djvu.wasm
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5
DjVuFile/wasm/make.py
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@ -15,9 +15,7 @@ base.cmd_in_dir("./../../DesktopEditor/graphics/pro/js", "python", ["make.py"])
# finalize
if base.is_exist("./../../DesktopEditor/graphics/pro/js/deploy/drawingfile.wasm"):
base.copy_file("./../../DesktopEditor/graphics/pro/js/deploy/xps.js", "./deploy/xps.js")
base.copy_file("./../../DesktopEditor/graphics/pro/js/deploy/djvu.js", "./deploy/djvu.js")
base.copy_file("./../../DesktopEditor/graphics/pro/js/deploy/pdf.js", "./deploy/pdf.js")
base.copy_file("./../../DesktopEditor/graphics/pro/js/deploy/drawingfile.js", "./deploy/drawingfile.js")
base.copy_file("./../../DesktopEditor/graphics/pro/js/deploy/drawingfile.wasm", "./deploy/drawingfile.wasm")
else:
print("make.py error")
@ -28,4 +26,3 @@ else:
base.copy_file("./all_files_test/index.html", "./deploy/index.html")
base.copy_file("./all_files_test/code.js", "./deploy/code.js")
base.copy_file("./all_files_test/file.js", "./deploy/file.js")
base.copy_dir("./all_files_test/pdf", "./deploy/pdf")