DocumentServer/OfficeWeb/sdk/Excel/graphics/DrawingContext.js
nikolay ivanov a8be6b9e72 init repo
2014-07-05 18:22:49 +00:00

953 lines
36 KiB
JavaScript

/*
* (c) Copyright Ascensio System SIA 2010-2014
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
(function ($, window, undefined) {
var asc = window["Asc"];
var asc_round = asc.round;
var asc_floor = asc.floor;
var asc_typeof = asc.typeOf;
var lastColor = undefined,
lastResult = null,
reColor = /^\s*(?:#?([0-9a-f]{6})|#?([0-9a-f]{3})|rgba?\s*\(\s*((?:\d*\.?\d+)(?:\s*,\s*(?:\d*\.?\d+)){2,3})\s*\))\s*$/i;
function parseColor(c) {
if (lastColor === c) {
return lastResult;
}
var bin, m, x, type, r, g, b, a, css, s, rgb, rgba;
if (asc_typeof(c) === "number") {
type = 4;
r = (c >> 16) & 255;
g = (c >> 8) & 255;
b = c & 255;
a = 1;
bin = c;
} else {
m = reColor.exec(c);
if (!m) {
return null;
}
if (m[1]) {
x = [m[1].slice(0, 2), m[1].slice(2, 4), m[1].slice(4)];
type = 1;
} else {
if (m[2]) {
x = [m[2].slice(0, 1), m[2].slice(1, 2), m[2].slice(2)];
type = 0;
} else {
x = m[3].split(/\s*,\s*/i);
type = x.length === 3 ? 2 : 3;
}
}
r = parseInt(type !== 0 ? x[0] : x[0] + x[0], type < 2 ? 16 : 10);
g = parseInt(type !== 0 ? x[1] : x[1] + x[1], type < 2 ? 16 : 10);
b = parseInt(type !== 0 ? x[2] : x[2] + x[2], type < 2 ? 16 : 10);
a = type === 3 ? (asc_round(parseFloat(x[3]) * 100) * 0.01) : 1;
bin = (r << 16) | (g << 8) | b;
}
css = bin.toString(16);
while (css.length < 6) {
css = "0" + css;
}
css = "#" + css;
s = r + ", " + g + ", " + b;
rgb = "rgb(" + s + ")";
rgba = "rgba(" + s + ", " + a + ")";
lastColor = c;
lastResult = {
r: r,
g: g,
b: b,
a: a,
rgb: rgb,
rgba: rgba,
color: css,
origColor: type < 2 ? css : (type === 2 ? rgb : (type === 3 ? rgba : bin)),
origType: type,
binary: bin
};
return lastResult;
}
var gLastColor = null,
gLastResult = null;
function numberToCSSColor(s) {
if (gLastColor === c) {
return gLastResult;
}
var c = s.toString(16);
while (c.length < 6) {
c = "0" + c;
}
gLastColor = s;
gLastResult = "#" + c;
return gLastResult;
}
function numberToAscColor(n) {
var r = (n >> 16) & 255;
var g = (n >> 8) & 255;
var b = n & 255;
return CreateAscColorCustom(r, g, b);
}
function colorObjToAscColor(color) {
var oRes = null;
var n = color.getRgb();
var r = (n >> 16) & 255;
var g = (n >> 8) & 255;
var b = n & 255;
var bTheme = false;
if (color instanceof ThemeColor && null != color.theme) {
var array_colors_types = [6, 15, 7, 16, 0, 1, 2, 3, 4, 5];
var themePresentation = array_colors_types[color.theme];
var tintExcel = 0;
if (null != color.tint) {
tintExcel = color.tint;
}
var tintPresentation = 0;
var oThemeColorTint = g_oThemeColorTint[color.theme];
if (null != oThemeColorTint) {
for (var i = 0, length = oThemeColorTint.length; i < length; ++i) {
var cur = oThemeColorTint[i];
if (Math.abs(cur - tintExcel) < 0.005) {
bTheme = true;
tintPresentation = i;
break;
}
}
}
if (bTheme) {
oRes = new CAscColor();
oRes.r = r;
oRes.g = g;
oRes.b = b;
oRes.a = 255;
oRes.type = c_oAscColor.COLOR_TYPE_SCHEME;
oRes.value = themePresentation;
}
}
if (false == bTheme) {
oRes = CreateAscColorCustom(r, g, b);
}
return oRes;
}
var oldPpi = undefined,
cvt = undefined;
function getCvtRatio(fromUnits, toUnits, ppi) {
if (ppi !== oldPpi || oldPpi === undefined) {
var _ppi = 1 / ppi,
_72 = 1 / 72,
_25_4 = 1 / 25.4;
cvt = [[1, 72 * _ppi, _ppi, 25.4 * _ppi], [ppi * _72, 1, _72, 25.4 * _72], [ppi, 72, 1, 25.4], [ppi * _25_4, 72 * _25_4, _25_4, 1]];
oldPpi = ppi;
}
return cvt[fromUnits][toUnits];
}
function calcNearestPt(origPt, ppi, pxAddon) {
var a = pxAddon !== undefined ? pxAddon : 0,
x = origPt * ppi / 72,
y = x | x,
p = x - y < 1e-09 ? 0 : 1;
return (y + p + a) / ppi * 72;
}
function getOption(opt, name, def) {
return opt !== undefined && opt[name] !== undefined ? opt[name] : def;
}
function deg2rad(deg) {
return deg * Math.PI / 180;
}
function rad2deg(rad) {
return rad * 180 / Math.PI;
}
var MATRIX_ORDER_PREPEND = 0,
MATRIX_ORDER_APPEND = 1;
function Matrix() {
if (! (this instanceof Matrix)) {
return new Matrix();
}
this.sx = 1;
this.shx = 0;
this.shy = 0;
this.sy = 1;
this.tx = 0;
this.ty = 0;
return this;
}
Matrix.prototype = {
constructor: Matrix,
reset: function () {
this.sx = 1;
this.shx = 0;
this.shy = 0;
this.sy = 1;
this.tx = 0;
this.ty = 0;
},
assign: function (sx, shx, shy, sy, tx, ty) {
this.sx = sx;
this.shx = shx;
this.shy = shy;
this.sy = sy;
this.tx = tx;
this.ty = ty;
},
copyFrom: function (matrix) {
this.sx = matrix.sx;
this.shx = matrix.shx;
this.shy = matrix.shy;
this.sy = matrix.sy;
this.tx = matrix.tx;
this.ty = matrix.ty;
},
clone: function () {
var m = new Matrix();
m.copyFrom(this);
return m;
},
multiply: function (matrix, order) {
if (MATRIX_ORDER_PREPEND === order) {
var m = matrix.clone();
m.multiply(this, MATRIX_ORDER_APPEND);
this.copyFrom(m);
} else {
var t0 = this.sx * matrix.sx + this.shy * matrix.shx;
var t2 = this.shx * matrix.sx + this.sy * matrix.shx;
var t4 = this.tx * matrix.sx + this.ty * matrix.shx + matrix.tx;
this.shy = this.sx * matrix.shy + this.shy * matrix.sy;
this.sy = this.shx * matrix.shy + this.sy * matrix.sy;
this.ty = this.tx * matrix.shy + this.ty * matrix.sy + matrix.ty;
this.sx = t0;
this.shx = t2;
this.tx = t4;
}
},
translate: function (x, y, order) {
var m = new Matrix();
m.tx = x;
m.ty = y;
this.multiply(m, order);
},
scale: function (x, y, order) {
var m = new Matrix();
m.sx = x;
m.sy = y;
this.multiply(m, order);
},
rotate: function (a, order) {
var m = new Matrix();
var rad = deg2rad(a);
m.sx = Math.cos(rad);
m.shx = Math.sin(rad);
m.shy = -Math.sin(rad);
m.sy = Math.cos(rad);
this.multiply(m, order);
},
rotateAt: function (a, x, y, order) {
this.translate(-x, -y, order);
this.rotate(a, order);
this.translate(x, y, order);
},
determinant: function () {
return this.sx * this.sy - this.shy * this.shx;
},
invert: function () {
var det = this.determinant();
if (0.0001 > det) {
return;
}
var d = 1 / det;
var t0 = this.sy * d;
this.sy = this.sx * d;
this.shy = -this.shy * d;
this.shx = -this.shx * d;
var t4 = -this.tx * t0 - this.ty * this.shx;
this.ty = -this.tx * this.shy - this.ty * this.sy;
this.sx = t0;
this.tx = t4;
},
transformPointX: function (x, y) {
return x * this.sx + y * this.shx + this.tx;
},
transformPointY: function (x, y) {
return x * this.shy + y * this.sy + this.ty;
},
getRotation: function () {
var x1 = 0;
var y1 = 0;
var x2 = 1;
var y2 = 0;
this.transformPoint(x1, y1);
this.transformPoint(x2, y2);
var a = Math.atan2(y2 - y1, x2 - x1);
return rad2deg(a);
}
};
function FontProperties(family, size, bold, italic, underline, strikeout) {
if (! (this instanceof FontProperties)) {
return new FontProperties(family, size, bold, italic, underline, strikeout);
}
this.FontFamily = {
Name: family,
Index: -1,
Angle: 0
};
this.FontSize = size;
this.Bold = !!bold;
this.Italic = !!italic;
this.Underline = underline;
this.Strikeout = strikeout;
return this;
}
FontProperties.prototype = {
constructor: FontProperties,
copyFrom: function (font) {
this.FontFamily.Name = font.FontFamily.Name;
this.FontFamily.Index = font.FontFamily.Index;
this.FontSize = font.FontSize;
this.Bold = font.Bold;
this.Italic = font.Italic;
this.Underline = font.Underline;
this.Strikeout = font.Strikeout;
},
clone: function () {
return new FontProperties(this.FontFamily.Name, this.FontSize, this.Bold, this.Italic, this.Underline, this.Strikeout);
},
isEqual: function (font) {
return font !== undefined && this.FontFamily.Name.toLowerCase() === font.FontFamily.Name.toLowerCase() && this.FontSize === font.FontSize && this.Bold === font.Bold && this.Italic === font.Italic;
}
};
function TextMetrics(width, height, lineHeight, baseline, descender, fontSize, centerline, widthBB) {
if (! (this instanceof TextMetrics)) {
return new TextMetrics(width, height, lineHeight, baseline, descender, fontSize, centerline, widthBB);
}
this.width = width !== undefined ? width : 0;
this.height = height !== undefined ? height : 0;
this.lineHeight = lineHeight !== undefined ? lineHeight : 0;
this.baseline = baseline !== undefined ? baseline : 0;
this.descender = descender !== undefined ? descender : 0;
this.fontSize = fontSize !== undefined ? fontSize : 0;
this.centerline = centerline !== undefined ? centerline : 0;
this.widthBB = widthBB !== undefined ? widthBB : 0;
return this;
}
function FontMetrics(ascender, descender, lineGap) {
if (! (this instanceof FontMetrics)) {
return new FontMetrics(ascender, descender, lineGap);
}
this.ascender = ascender !== undefined ? ascender : 0;
this.descender = descender !== undefined ? descender : 0;
this.lineGap = lineGap !== undefined ? lineGap : 0;
return this;
}
function DrawingContext(settings) {
if (! (this instanceof DrawingContext)) {
return new DrawingContext(settings);
}
this.canvas = null;
this.ctx = null;
if (undefined !== settings) {
this.setCanvas(settings.canvas);
}
var ppiTest = $('<div style="position: absolute; width: 10in; height:10in; visibility:hidden; padding:0;"/>').appendTo("body");
this.ppiX = asc_round(ppiTest[0].offsetWidth * 0.1);
this.ppiY = asc_round(ppiTest[0].offsetHeight * 0.1);
ppiTest.remove();
this._mct = new Matrix();
this._mt = new Matrix();
this._mbt = new Matrix();
this._mft = new Matrix();
this._mift = new Matrix();
this._im = new Matrix();
this.scaleFactor = 1;
this._1px_x = getCvtRatio(0, 3, this.ppiX);
this._1px_y = getCvtRatio(0, 3, this.ppiY);
this.units = 3;
this.changeUnits(settings !== undefined && settings.units !== undefined ? settings.units : this.units);
this.fmgrGraphics = undefined !== settings.fmgrGraphics ? settings.fmgrGraphics : null;
if (null === this.fmgrGraphics) {
return null;
}
this.font = settings !== undefined && settings.font !== undefined ? settings.font : new FontProperties("Arial", 11);
this.fillColor = {
r: 255,
g: 255,
b: 255,
a: 255
};
return this;
}
DrawingContext.prototype = {
constructor: DrawingContext,
getWidth: function (units) {
var i = units >= 0 && units <= 3 ? units : this.units;
return this.canvas[0].width * getCvtRatio(0, i, this.ppiX);
},
getHeight: function (units) {
var i = units >= 0 && units <= 3 ? units : this.units;
return this.canvas[0].height * getCvtRatio(0, i, this.ppiY);
},
getCanvas: function () {
return this.canvas[0];
},
setCanvas: function (canvas) {
var c = canvas !== undefined ? canvas : null;
if (c === null) {
return;
}
this.canvas = $(c);
this.ctx = c.getContext("2d");
this.initContextSmoothing();
},
getPPIX: function () {
return this.ppiX;
},
getPPIY: function () {
return this.ppiY;
},
getUnits: function () {
return this.units;
},
changeUnits: function (units) {
var i = units >= 0 && units <= 3 ? units : 0;
this._mct.sx = getCvtRatio(i, 0, this.ppiX);
this._mct.sy = getCvtRatio(i, 0, this.ppiY);
this._calcMFT();
this._1px_x = getCvtRatio(0, i, this.ppiX);
this._1px_y = getCvtRatio(0, i, this.ppiY);
this.units = units;
return this;
},
getZoom: function () {
return this.scaleFactor;
},
changeZoom: function (factor) {
if (factor <= 0) {
throw "Scale factor must be >= 0";
}
factor = asc_round(factor * 1000) / 1000;
this.ppiX = asc_round(this.ppiX / this.scaleFactor * factor * 1000) / 1000;
this.ppiY = asc_round(this.ppiY / this.scaleFactor * factor * 1000) / 1000;
this.scaleFactor = factor;
this.changeUnits(this.units);
this.setFont(this.font);
return this;
},
resetSize: function (width, height) {
var w = asc_round(width * getCvtRatio(this.units, 0, this.ppiX)),
h = asc_round(height * getCvtRatio(this.units, 0, this.ppiY));
if (w !== this.canvas[0].width) {
this.canvas[0].width = w;
}
if (h !== this.canvas[0].height) {
this.canvas[0].height = h;
}
return this;
},
expand: function (width, height) {
var w = asc_round(width * getCvtRatio(this.units, 0, this.ppiX)),
h = asc_round(height * getCvtRatio(this.units, 0, this.ppiY));
if (w > this.canvas[0].width) {
this.canvas[0].width = w;
}
if (h > this.canvas[0].height) {
this.canvas[0].height = h;
}
return this;
},
initContextSmoothing: function () {
var ctx = this.ctx;
if (!window.g_isMobileVersion || null === ctx) {
return;
}
if (ctx.imageSmoothingEnabled) {
ctx.imageSmoothingEnabled = false;
}
if (ctx.mozImageSmoothingEnabled) {
ctx.mozImageSmoothingEnabled = false;
}
if (ctx.oImageSmoothingEnabled) {
ctx.oImageSmoothingEnabled = false;
}
if (ctx.webkitImageSmoothingEnabled) {
ctx.webkitImageSmoothingEnabled = false;
}
},
clear: function () {
this.clearRect(0, 0, this.getWidth(), this.getHeight());
return this;
},
save: function () {
this.ctx.save();
return this;
},
restore: function () {
this.ctx.restore();
return this;
},
scale: function (kx, ky) {
return this;
},
rotate: function (a) {
return this;
},
translate: function (dx, dy) {
return this;
},
transform: function (sx, shy, shx, sy, tx, ty) {
return this;
},
setTransform: function (sx, shy, shx, sy, tx, ty) {
this._mbt.assign(sx, shx, shy, sy, tx, ty);
return this;
},
setTextTransform: function (sx, shy, shx, sy, tx, ty) {
this._mt.assign(sx, shx, shy, sy, tx, ty);
return this;
},
updateTransforms: function () {
this._calcMFT();
this.fmgrGraphics[1].SetTextMatrix(this._mt.sx, this._mt.shy, this._mt.shx, this._mt.sy, this._mt.tx, this._mt.ty);
},
resetTransforms: function () {
this.setTransform(this._im.sx, this._im.shy, this._im.shx, this._im.sy, this._im.tx, this._im.ty);
this.setTextTransform(this._im.sx, this._im.shy, this._im.shx, this._im.sy, this._im.tx, this._im.ty);
this._calcMFT();
},
getFillStyle: function () {
return this.ctx.fillStyle;
},
getStrokeStyle: function () {
return this.ctx.strokeStyle;
},
getLineWidth: function () {
return this.ctx.lineWidth;
},
getLineCap: function () {
return this.ctx.lineCap;
},
getLineJoin: function () {
return this.ctx.lineJoin;
},
setFillStyle: function (val) {
var c = parseColor(val);
this.fillColor = {
r: c.r,
g: c.g,
b: c.b,
a: asc_floor(c.a * 255)
};
this.ctx.fillStyle = c.rgba;
return this;
},
setFillPattern: function (val) {
this.ctx.fillStyle = val;
return this;
},
setStrokeStyle: function (val) {
this.ctx.strokeStyle = val;
return this;
},
setLineWidth: function (width) {
this.ctx.lineWidth = width;
return this;
},
setLineCap: function (cap) {
this.ctx.lineCap = cap;
return this;
},
setLineJoin: function (join) {
this.ctx.lineJoin = join;
return this;
},
fillRect: function (x, y, w, h) {
var r = this._calcRect(x, y, w, h);
this.ctx.fillRect(r.x, r.y, r.w, r.h);
return this;
},
strokeRect: function (x, y, w, h) {
var r = this._calcRect(x, y, w, h);
this.ctx.strokeRect(r.x + 0.5, r.y + 0.5, r.w - 1, r.h - 1);
return this;
},
clearRect: function (x, y, w, h) {
var r = this._calcRect(x, y, w, h);
this.ctx.clearRect(r.x, r.y, r.w, r.h);
return this;
},
getFont: function () {
return this.font.clone();
},
getFontFamily: function () {
return this.font.FontFamily.Name;
},
getFontSize: function () {
return this.font.FontSize;
},
getFontMetrics: function (units) {
var fm = this.fmgrGraphics[0],
d = Math.abs(fm.m_lDescender),
r = getCvtRatio(0, units >= 0 && units <= 3 ? units : this.units, this.ppiX),
factor = this.getFontSize() * r / fm.m_lUnits_Per_Em;
return new FontMetrics(factor * fm.m_lAscender, factor * d, factor * (fm.m_lLineHeight - fm.m_lAscender - d));
},
setFont: function (font, angle) {
var italic, bold, fontStyle, r;
if (font.FontFamily.Index === undefined || font.FontFamily.Index === null || font.FontFamily.Index === -1) {
font.FontFamily.Index = window.g_map_font_index[font.FontFamily.Name];
}
this.font.copyFrom(font);
italic = true === font.Italic;
bold = true === font.Bold;
fontStyle = FontStyle.FontStyleRegular;
if (!italic && bold) {
fontStyle = FontStyle.FontStyleBold;
} else {
if (italic && !bold) {
fontStyle = FontStyle.FontStyleItalic;
} else {
if (italic && bold) {
fontStyle = FontStyle.FontStyleBoldItalic;
}
}
}
if (angle && 0 != angle) {
r = window.g_font_infos[font.FontFamily.Index].LoadFont(window.g_font_loader, this.fmgrGraphics[1], font.FontSize, fontStyle, this.ppiX, this.ppiY);
this.fmgrGraphics[1].SetTextMatrix(this._mt.sx, this._mt.shy, this._mt.shx, this._mt.sy, this._mt.tx, this._mt.ty);
} else {
r = window.g_font_infos[font.FontFamily.Index].LoadFont(window.g_font_loader, this.fmgrGraphics[0], font.FontSize, fontStyle, this.ppiX, this.ppiY);
}
if (r === false) {
throw "Can not use " + font.FontFamily.Name + " font. (Check whether font file is loaded)";
}
return this;
},
measureChar: function (text, units) {
return this.measureText(text.charAt(0), units);
},
measureText: function (text, units) {
var fm = this.fmgrGraphics[0],
r = getCvtRatio(0, units >= 0 && units <= 3 ? units : this.units, this.ppiX);
for (var tmp, w = 0, w2 = 0, i = 0; i < text.length; ++i) {
tmp = fm.MeasureChar(text.charCodeAt(i));
w += tmp.fAdvanceX;
}
w2 = w - tmp.fAdvanceX + tmp.oBBox.fMaxX - tmp.oBBox.fMinX + 1;
return this._calcTextMetrics(w * r, w2 * r, fm, r);
},
getHeightText: function () {
var fm = this.fmgrGraphics[0];
var UnitsPerEm = fm.m_lUnits_Per_Em;
var Height = fm.m_lLineHeight;
var setUpSize = this.font.FontSize;
return Height * setUpSize / UnitsPerEm;
},
fillText: function (text, x, y, maxWidth, charWidths, angle) {
function fillGlyph(pGlyph, fmgr) {
var nW = pGlyph.oBitmap.nWidth;
var nH = pGlyph.oBitmap.nHeight;
if (! (nW > 0 && nH > 0)) {
return;
}
var nX = asc_floor(fmgr.m_oGlyphString.m_fX + pGlyph.fX + pGlyph.oBitmap.nX);
var nY = asc_floor(fmgr.m_oGlyphString.m_fY + pGlyph.fY - pGlyph.oBitmap.nY);
if (window.g_isMobileVersion) {
var _r = this.fillColor.r;
var _g = this.fillColor.g;
var _b = this.fillColor.b;
if (!_r && !_g && !_b) {
this.ctx.drawImage(pGlyph.oBitmap.oGlyphData.m_oCanvas, 0, 0, nW, nH, nX, nY, nW, nH);
} else {
var canvD = $("<canvas width='" + nW + "' height='" + nH + "'/>")[0];
var ctxD = canvD.getContext("2d");
var pixDst = ctxD.getImageData(0, 0, nW, nH);
var dstP = pixDst.data;
var data = pGlyph.oBitmap.oGlyphData.m_oContext.getImageData(0, 0, nW, nH);
var dataPx = data.data;
var cur = 0;
var cnt = 4 * nW * nH;
for (var i = 3; i < cnt; i += 4) {
dstP[cur++] = _r;
dstP[cur++] = _g;
dstP[cur++] = _b;
dstP[cur++] = dataPx[i];
}
ctxD.putImageData(pixDst, 0, 0, 0, 0, nW, nH);
this.ctx.drawImage(canvD, 0, 0, nW, nH, nX, nY, nW, nH);
}
} else {
pGlyph.oBitmap.oGlyphData.checkColor(this.fillColor.r, this.fillColor.g, this.fillColor.b, nW, nH);
pGlyph.oBitmap.draw(this.ctx, nX, nY);
}
}
var manager = angle ? this.fmgrGraphics[1] : this.fmgrGraphics[0];
var _x = this._mift.transformPointX(x, y);
var _y = this._mift.transformPointY(x, y);
var length = text.length;
for (var i = 0; i < length; ++i) {
try {
_x = manager.LoadString2C(text.charAt(i), _x, _y);
} catch(err) {}
var pGlyph = manager.m_oGlyphString.m_pGlyphsBuffer[0];
if (null === pGlyph || null === pGlyph.oBitmap) {
continue;
}
fillGlyph.call(this, pGlyph, manager);
}
return this;
},
beginPath: function () {
this.ctx.beginPath();
return this;
},
closePath: function () {
this.ctx.closePath();
return this;
},
moveTo: function (x, y) {
var r = this._calcRect(x, y);
this.ctx.moveTo(r.x, r.y);
return this;
},
lineTo: function (x, y) {
var r = this._calcRect(x, y);
this.ctx.lineTo(r.x, r.y);
return this;
},
lineDiag: function (x1, y1, x2, y2) {
var isEven = 0 !== this.ctx.lineWidth % 2 ? 0.5 : 0;
var r1 = this._calcRect(x1, y1);
var r2 = this._calcRect(x2, y2);
this.ctx.moveTo(r1.x + isEven, r1.y + isEven);
this.ctx.lineTo(r2.x + isEven, r2.y + isEven);
return this;
},
lineHor: function (x1, y, x2) {
var isEven = 0 !== this.ctx.lineWidth % 2 ? 0.5 : 0;
var r1 = this._calcRect(x1, y);
var r2 = this._calcRect(x2, y);
this.ctx.moveTo(r1.x, r1.y + isEven);
this.ctx.lineTo(r2.x, r2.y + isEven);
return this;
},
lineVer: function (x, y1, y2) {
var isEven = 0 !== this.ctx.lineWidth % 2 ? 0.5 : 0;
var r1 = this._calcRect(x, y1);
var r2 = this._calcRect(x, y2);
this.ctx.moveTo(r1.x + isEven, r1.y);
this.ctx.lineTo(r2.x + isEven, r2.y);
return this;
},
dashLineCleverHor: function (x1, y, x2, w_dot, w_dist) {
var _x1 = this._mct.transformPointX(x1, y);
var _y = this._mct.transformPointY(x1, y);
var _x2 = this._mct.transformPointX(x2, y);
var ctx = this.ctx;
_x1 = (_x1 >> 0) + 0.5;
_y = (_y >> 0) + 0.5;
_x2 = (_x2 >> 0) + 0.5;
for (; _x1 < _x2; _x1 += w_dist) {
ctx.moveTo(_x1, _y);
_x1 += w_dot;
if (_x1 > _x2) {
_x1 = _x2;
}
ctx.lineTo(_x1, _y);
}
},
dashLineCleverVer: function (x, y1, y2, w_dot, w_dist) {
var _y1 = this._mct.transformPointY(x, y1);
var _x = this._mct.transformPointX(x, y1);
var _y2 = this._mct.transformPointY(x, y2);
var ctx = this.ctx;
_y1 = (_y1 >> 0) + 0.5;
_x = (_x >> 0) + 0.5;
_y2 = (_y2 >> 0) + 0.5;
for (; _y1 < _y2; _y1 += w_dist) {
ctx.moveTo(_x, _y1);
_y1 += w_dot;
if (_y1 > _y2) {
_y1 = _y2;
}
ctx.lineTo(_x, _y1);
}
},
dashLine: function (x1, y1, x2, y2, w_dot, w_dist) {
var len = Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
if (len < 1) {
len = 1;
}
var len_x1 = Math.abs(w_dot * (x2 - x1) / len);
var len_y1 = Math.abs(w_dot * (y2 - y1) / len);
var len_x2 = Math.abs(w_dist * (x2 - x1) / len);
var len_y2 = Math.abs(w_dist * (y2 - y1) / len);
var i, j;
if (x1 <= x2 && y1 <= y2) {
for (i = x1, j = y1; i < x2 || j < y2; i += len_x2, j += len_y2) {
this.moveTo(i, j);
i += len_x1;
j += len_y1;
if (i > x2) {
i = x2;
}
if (j > y2) {
j = y2;
}
this.lineTo(i, j);
}
} else {
if (x1 <= x2 && y1 > y2) {
for (i = x1, j = y1; i < x2 || j > y2; i += len_x2, j -= len_y2) {
this.moveTo(i, j);
i += len_x1;
j -= len_y1;
if (i > x2) {
i = x2;
}
if (j < y2) {
j = y2;
}
this.lineTo(i, j);
}
} else {
if (x1 > x2 && y1 <= y2) {
for (i = x1, j = y1; i > x2 || j < y2; i -= len_x2, j += len_y2) {
this.moveTo(i, j);
i -= len_x1;
j += len_y1;
if (i < x2) {
i = x2;
}
if (j > y2) {
j = y2;
}
this.lineTo(i, j);
}
} else {
for (i = x1, j = y1; i > x2 || j > y2; i -= len_x2, j -= len_y2) {
this.moveTo(i, j);
i -= len_x1;
j -= len_y1;
if (i < x2) {
i = x2;
}
if (j < y2) {
j = y2;
}
this.lineTo(i, j);
}
}
}
}
},
dashRect: function (x1, y1, x2, y2, x3, y3, x4, y4, w_dot, w_dist) {
this.dashLine(x1, y1, x2, y2, w_dot, w_dist);
this.dashLine(x2, y2, x4, y4, w_dot, w_dist);
this.dashLine(x4, y4, x3, y3, w_dot, w_dist);
this.dashLine(x3, y3, x1, y1, w_dot, w_dist);
},
rect: function (x, y, w, h) {
var r = this._calcRect(x, y, w, h);
this.ctx.rect(r.x, r.y, r.w, r.h);
return this;
},
arc: function (x, y, radius, startAngle, endAngle, antiClockwise, dx, dy) {
var r = this._calcRect(x, y);
dx = typeof dx !== "undefined" ? dx : 0;
dy = typeof dy !== "undefined" ? dy : 0;
this.ctx.arc(r.x + dx, r.y + dy, radius, startAngle, endAngle, antiClockwise);
return this;
},
bezierCurveTo: function (x1, y1, x2, y2, x3, y3) {
var p1 = this._calcRect(x1, y1),
p2 = this._calcRect(x2, y2),
p3 = this._calcRect(x3, y3);
this.ctx.bezierCurveTo(p1.x, p1.y, p2.x, p2.y, p3.x, p3.y);
return this;
},
fill: function () {
this.ctx.fill();
return this;
},
stroke: function () {
this.ctx.stroke();
return this;
},
clip: function () {
this.ctx.clip();
return this;
},
drawImage: function (img, sx, sy, sw, sh, dx, dy, dw, dh) {
var sr = this._calcRect(sx, sy, sw, sh),
dr = this._calcRect(dx, dy, dw, dh);
this.ctx.drawImage(img, sr.x, sr.y, sr.w, sr.h, dr.x, dr.y, dr.w, dr.h);
return this;
},
parseColor: function (c) {
return parseColor(c);
},
_calcRect: function (x, y, w, h) {
var wh = w !== undefined && h !== undefined,
x2 = x + w - this._1px_x,
y2 = y + h - this._1px_y,
_x = this._mft.transformPointX(x, y),
_y = this._mft.transformPointY(x, y);
return {
x: asc_round(_x),
y: asc_round(_y),
w: wh ? asc_round(this._mft.transformPointX(x2, y2) - _x + 1) : undefined,
h: wh ? asc_round(this._mft.transformPointY(x2, y2) - _y + 1) : undefined
};
},
_calcMFT: function () {
this._mft = this._mct.clone();
this._mft.multiply(this._mbt, MATRIX_ORDER_PREPEND);
this._mft.multiply(this._mt, MATRIX_ORDER_PREPEND);
this._mift = this._mt.clone();
this._mift.invert();
this._mift.multiply(this._mft, MATRIX_ORDER_PREPEND);
},
_calcTextMetrics: function (w, wBB, fm, r) {
var factor = this.getFontSize() * r / fm.m_lUnits_Per_Em,
l = fm.m_lLineHeight * factor,
b = fm.m_lAscender * factor,
d = Math.abs(fm.m_lDescender * factor);
return new TextMetrics(w, b + d, l, b, d, this.font.FontSize, 0, wBB);
}
};
window["Asc"].getCvtRatio = getCvtRatio;
window["Asc"].calcNearestPt = calcNearestPt;
window["Asc"].numberToCSSColor = numberToCSSColor;
window["Asc"].numberToAscColor = numberToAscColor;
window["Asc"].colorObjToAscColor = colorObjToAscColor;
window["Asc"].parseColor = parseColor;
window["Asc"].FontProperties = FontProperties;
window["Asc"].TextMetrics = TextMetrics;
window["Asc"].FontMetrics = FontMetrics;
window["Asc"].DrawingContext = DrawingContext;
window["Asc"].Matrix = Matrix;
})(jQuery, window);