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ie support

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This commit is contained in:
Kulikova Svetlana
2021-10-06 13:12:33 +03:00
parent 39f6dda5d8
commit 64b428a992
10 changed files with 973 additions and 661 deletions
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17
DjVuFile/wasm/all_files_test/code.js
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@ -388,8 +388,6 @@ window.onload = function()
return res;
};
this.links = null;
this._paint = function()
{
if (!this.isRepaint)
@ -467,12 +465,7 @@ window.onload = function()
}
if (!page.Image)
{
page.Image = this.file.getPage(i, w, h);
//this.getGlyphs(i, w, h);
this.links = this.getLinks(i, w, h);
this.links.Page = i;
}
let x = ((xCenter * this.retinaPixelRatio) >> 0) - (w >> 1);
let y = ((page.Y - yPos) * this.retinaPixelRatio) >> 0;
@ -480,16 +473,6 @@ window.onload = function()
ctx.drawImage(page.Image, 0, 0, w, h, x, y, w, h);
if (this.Selection.page == i && this.Selection.IsSelection)
ctx.drawImage(this.Selection.Image, 0, 0, w, h, x, y, w, h);
if (this.links && this.links.Page == i)
{
ctx.fillStyle = "#FF0000";
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.strokeRect(x + lineW / 2, y + lineW / 2, w - lineW, h - lineW);
}

191
DjVuFile/wasm/all_files_test/drawingfile.js
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DjVuFile/wasm/all_files_test/drawingfile.js.mem Normal file
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DjVuFile/wasm/all_files_test/drawingfile.wasm
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671
DjVuFile/wasm/all_files_test/drawingfile_ie.js Normal file
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166
DjVuFile/wasm/all_files_test/file.js
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@ -57,23 +57,7 @@
var t1 = performance.now();
var image = this._pixelsToCanvas(pixels, width, height);
var t2 = performance.now();
//console.log("time: " + (t1 - t0) + ", " + (t2 - t1));
}
/*
if (this.pages[pageIndex].Lines)
{
var ctx = image.getContext("2d");
for (let i = 0; i < this.pages[pageIndex].Lines.length; i++)
{
for (let j = 0; j < this.pages[pageIndex].Lines[i].Glyphs.length; j++)
{
let glyph = this.pages[pageIndex].Lines[i].Glyphs[j];
ctx.font = glyph.fontSize + 'px ' + glyph.fontName;
ctx.fillText(glyph.UChar, glyph.X, glyph.Y);
}
}
}
*/
this.free(pixels);
return image;
};
@ -242,7 +226,157 @@
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;

2
DjVuFile/wasm/make.py
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@ -17,6 +17,8 @@ base.cmd_in_dir("./../../DesktopEditor/graphics/pro/js", "python", ["make.py"])
if base.is_exist("./../../DesktopEditor/graphics/pro/js/deploy/drawingfile.wasm"):
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")
base.copy_file("./../../DesktopEditor/graphics/pro/js/deploy/drawingfile_ie.js", "./deploy/drawingfile_ie.js")
base.copy_file("./../../DesktopEditor/graphics/pro/js/deploy/drawingfile.js.mem", "./deploy/drawingfile.js.mem")
else:
print("make.py error")
base.copy_dir("./all_files_test/xps_djvu", "./deploy")