Enabled list-style-type's for position inside

This commit is contained in:
MoyuScript 2011-09-13 17:25:51 +03:00
parent 708ca39057
commit 42b9e57892
2 changed files with 281 additions and 5 deletions

View File

@ -154,6 +154,8 @@ html2canvas.Util.Children = function(el) {
} }
html2canvas.Generate = {}; html2canvas.Generate = {};
html2canvas.Generate.Gradient = function(src, bounds) { html2canvas.Generate.Gradient = function(src, bounds) {
var canvas = document.createElement('canvas'), var canvas = document.createElement('canvas'),
ctx = canvas.getContext('2d'), ctx = canvas.getContext('2d'),
@ -192,7 +194,9 @@ html2canvas.Generate.Gradient = function(src, bounds) {
} }
} }
} }
if ( tmp = src.match(/-webkit-linear-gradient\((.*)\)/) ) { if ( tmp = src.match(/-webkit-linear-gradient\((.*)\)/) ) {
position = tmp[1].split( ",", 1 )[0]; position = tmp[1].split( ",", 1 )[0];
getColors( tmp[1].substr( position.length + 2 ) ); getColors( tmp[1].substr( position.length + 2 ) );
position = position.split(' '); position = position.split(' ');
@ -220,6 +224,7 @@ html2canvas.Generate.Gradient = function(src, bounds) {
} }
} else if (tmp = src.match(/-webkit-gradient\(linear, (\d+)[%]{0,1} (\d+)[%]{0,1}, (\d+)[%]{0,1} (\d+)[%]{0,1}, from\((.*)\), to\((.*)\)\)/)) { } else if (tmp = src.match(/-webkit-gradient\(linear, (\d+)[%]{0,1} (\d+)[%]{0,1}, (\d+)[%]{0,1} (\d+)[%]{0,1}, from\((.*)\), to\((.*)\)\)/)) {
p0 = (tmp[1] * bounds.width) / 100; p0 = (tmp[1] * bounds.width) / 100;
p1 = (tmp[2] * bounds.height) / 100; p1 = (tmp[2] * bounds.height) / 100;
p2 = (tmp[3] * bounds.width) / 100; p2 = (tmp[3] * bounds.width) / 100;
@ -228,7 +233,8 @@ html2canvas.Generate.Gradient = function(src, bounds) {
steps.push(tmp[5]); steps.push(tmp[5]);
steps.push(tmp[6]); steps.push(tmp[6]);
} else if (tmp = src.match(/-moz-linear-gradient\((\d+)% (\d+)%, (.*)\)/)) { } else if (tmp = src.match(/-moz-linear-gradient\((\d+)[%]{0,1} (\d+)[%]{0,1}, (.*)\)/)) {
p0 = (tmp[1] * bounds.width) / 100; p0 = (tmp[1] * bounds.width) / 100;
p1 = (tmp[2] * bounds.width) / 100; p1 = (tmp[2] * bounds.width) / 100;
p2 = bounds.width - p0; p2 = bounds.width - p0;
@ -257,6 +263,42 @@ html2canvas.Generate.Gradient = function(src, bounds) {
return img; return img;
} }
html2canvas.Generate.ListAlpha = function(number) {
var tmp = "",
modulus;
do {
modulus = number % 26;
tmp = String.fromCharCode((modulus) + 64) + tmp;
number = number / 26;
}while((number*26) > 26);
return tmp;
}
html2canvas.Generate.ListRoman = function(number) {
var romanArray = ["M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"],
decimal = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1],
roman = "",
v,
len = romanArray.length;
if (number <= 0 || number >= 4000) {
return number;
}
for (v=0; v < len; v+=1) {
while (number >= decimal[v]) {
number -= decimal[v];
roman += romanArray[v];
}
}
return roman;
}
/* /*
* New function for traversing elements * New function for traversing elements
*/ */
@ -479,7 +521,7 @@ html2canvas.Parse = function (element, images, opts) {
} }
function renderText(el, textNode, stack){ function renderText(el, textNode, stack) {
var ctx = stack.ctx, var ctx = stack.ctx,
family = getCSS(el, "fontFamily", false), family = getCSS(el, "fontFamily", false),
size = getCSS(el, "fontSize", false), size = getCSS(el, "fontSize", false),
@ -647,6 +689,123 @@ html2canvas.Parse = function (element, images, opts) {
} }
function listPosition (element, val) {
var boundElement = doc.createElement( "boundelement" ),
type,
bounds;
boundElement.style.display = "inline";
//boundElement.style.width = "1px";
//boundElement.style.height = "1px";
type = element.style.listStyleType;
element.style.listStyleType = "none";
boundElement.appendChild( doc.createTextNode( val ) );
element.insertBefore(boundElement, element.firstChild);
bounds = html2canvas.Util.Bounds( boundElement );
element.removeChild( boundElement );
element.style.listStyleType = type;
return bounds;
}
function renderListItem(element, stack, elBounds) {
var position = getCSS(element, "listStylePosition", false),
x,
y,
type = getCSS(element, "listStyleType", false),
currentIndex,
text,
listBounds,
bold = getCSS(element, "fontWeight");
if (/^(decimal|decimal-leading-zero|upper-alpha|upper-latin|upper-roman|lower-alpha|lower-greek|lower-latin|lower-roman)$/i.test(type)) {
// TODO remove jQuery dependency
currentIndex = $(element).index()+1;
switch(type){
case "decimal":
text = currentIndex;
break;
case "decimal-leading-zero":
if (currentIndex.toString().length === 1){
text = currentIndex = "0" + currentIndex.toString();
}else{
text = currentIndex.toString();
}
break;
case "upper-roman":
text = html2canvas.Generate.ListRoman( currentIndex );
break;
case "lower-roman":
text = html2canvas.Generate.ListRoman( currentIndex ).toLowerCase();
break;
case "lower-alpha":
text = html2canvas.Generate.ListAlpha( currentIndex ).toLowerCase();
break;
case "upper-alpha":
text = html2canvas.Generate.ListAlpha( currentIndex );
break;
}
text += ". ";
listBounds = listPosition(element, text);
switch(bold){
case 401:
bold = "bold";
break;
case 400:
bold = "normal";
break;
}
ctx.setVariable( "fillStyle", getCSS(element, "color", false) );
ctx.setVariable( "font", getCSS(element, "fontVariant", false) + " " + bold + " " + getCSS(element, "fontStyle", false) + " " + getCSS(element, "fontFize", false) + " " + getCSS(element, "fontFamily", false) );
if ( position === "inside" ) {
ctx.setVariable("textAlign", "left");
// this.setFont(stack.ctx, element, false);
x = elBounds.left;
}else{
return;
/*
TODO really need to figure out some more accurate way to try and find the position.
as defined in http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-position, it does not even have a specified "correct" position, so each browser
may display it whatever way it feels like.
"The position of the list-item marker adjacent to floats is undefined in CSS 2.1. CSS 2.1 does not specify the precise location of the marker box or its position in the painting order"
*/
ctx.setVariable("textAlign", "right");
// this.setFont(stack.ctx, element, true);
x = elBounds.left - 10;
}
y = listBounds.bottom;
drawText(text, x, y, ctx)
}
}
function loadImage (src){ function loadImage (src){
@ -1334,7 +1493,7 @@ html2canvas.Parse = function (element, images, opts) {
} }
break; break;
case "LI": case "LI":
// this.drawListItem(el,stack,bgbounds); renderListItem(el, stack, bgbounds);
break; break;
} }

View File

@ -220,7 +220,7 @@ html2canvas.Parse = function (element, images, opts) {
} }
function renderText(el, textNode, stack){ function renderText(el, textNode, stack) {
var ctx = stack.ctx, var ctx = stack.ctx,
family = getCSS(el, "fontFamily", false), family = getCSS(el, "fontFamily", false),
size = getCSS(el, "fontSize", false), size = getCSS(el, "fontSize", false),
@ -388,6 +388,123 @@ html2canvas.Parse = function (element, images, opts) {
} }
function listPosition (element, val) {
var boundElement = doc.createElement( "boundelement" ),
type,
bounds;
boundElement.style.display = "inline";
//boundElement.style.width = "1px";
//boundElement.style.height = "1px";
type = element.style.listStyleType;
element.style.listStyleType = "none";
boundElement.appendChild( doc.createTextNode( val ) );
element.insertBefore(boundElement, element.firstChild);
bounds = html2canvas.Util.Bounds( boundElement );
element.removeChild( boundElement );
element.style.listStyleType = type;
return bounds;
}
function renderListItem(element, stack, elBounds) {
var position = getCSS(element, "listStylePosition", false),
x,
y,
type = getCSS(element, "listStyleType", false),
currentIndex,
text,
listBounds,
bold = getCSS(element, "fontWeight");
if (/^(decimal|decimal-leading-zero|upper-alpha|upper-latin|upper-roman|lower-alpha|lower-greek|lower-latin|lower-roman)$/i.test(type)) {
// TODO remove jQuery dependency
currentIndex = $(element).index()+1;
switch(type){
case "decimal":
text = currentIndex;
break;
case "decimal-leading-zero":
if (currentIndex.toString().length === 1){
text = currentIndex = "0" + currentIndex.toString();
}else{
text = currentIndex.toString();
}
break;
case "upper-roman":
text = html2canvas.Generate.ListRoman( currentIndex );
break;
case "lower-roman":
text = html2canvas.Generate.ListRoman( currentIndex ).toLowerCase();
break;
case "lower-alpha":
text = html2canvas.Generate.ListAlpha( currentIndex ).toLowerCase();
break;
case "upper-alpha":
text = html2canvas.Generate.ListAlpha( currentIndex );
break;
}
text += ". ";
listBounds = listPosition(element, text);
switch(bold){
case 401:
bold = "bold";
break;
case 400:
bold = "normal";
break;
}
ctx.setVariable( "fillStyle", getCSS(element, "color", false) );
ctx.setVariable( "font", getCSS(element, "fontVariant", false) + " " + bold + " " + getCSS(element, "fontStyle", false) + " " + getCSS(element, "fontFize", false) + " " + getCSS(element, "fontFamily", false) );
if ( position === "inside" ) {
ctx.setVariable("textAlign", "left");
// this.setFont(stack.ctx, element, false);
x = elBounds.left;
}else{
return;
/*
TODO really need to figure out some more accurate way to try and find the position.
as defined in http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-position, it does not even have a specified "correct" position, so each browser
may display it whatever way it feels like.
"The position of the list-item marker adjacent to floats is undefined in CSS 2.1. CSS 2.1 does not specify the precise location of the marker box or its position in the painting order"
*/
ctx.setVariable("textAlign", "right");
// this.setFont(stack.ctx, element, true);
x = elBounds.left - 10;
}
y = listBounds.bottom;
drawText(text, x, y, ctx)
}
}
function loadImage (src){ function loadImage (src){
@ -1075,7 +1192,7 @@ html2canvas.Parse = function (element, images, opts) {
} }
break; break;
case "LI": case "LI":
// this.drawListItem(el,stack,bgbounds); renderListItem(el, stack, bgbounds);
break; break;
} }