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authorLibravatar bai 2019-03-29 02:14:43 +0000
committerLibravatar bai 2019-03-29 02:14:43 +0000
commit95dfe14528663923ca2a88ec928f1d8d9df2402b (patch)
tree5bc88d1466957f1aa39043b056bde5c439648022 /static/js/wpaint/plugins/text/src
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Init
Diffstat (limited to 'static/js/wpaint/plugins/text/src')
-rw-r--r--static/js/wpaint/plugins/text/src/wPaint.menu.text.js227
1 files changed, 227 insertions, 0 deletions
diff --git a/static/js/wpaint/plugins/text/src/wPaint.menu.text.js b/static/js/wpaint/plugins/text/src/wPaint.menu.text.js
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+(function ($) {
+
+ // setup menu
+ $.fn.wPaint.menus.text = {
+ img: 'plugins/text/img/icons-menu-text.png',
+ items: {
+ bold: {
+ icon: 'toggle',
+ title: 'Bold',
+ index: 0,
+ callback: function (toggle) { this.setFontBold(toggle); }
+ },
+ italic: {
+ icon: 'toggle',
+ title: 'Italic',
+ index: 1,
+ callback: function (toggle) { this.setFontItalic(toggle); }
+ },
+ /*underline: {
+ icon: 'toggle',
+ title: 'Undelrine',
+ index: 2,
+ callback: function (toggle) { this.setFontUnderline(toggle); }
+ },*/
+ fontSize: {
+ title: 'Font Size',
+ icon: 'select',
+ range: [8, 9, 10, 12, 14, 16, 20, 24, 30],
+ value: 12,
+ callback: function (size) { this.setFontSize(size); }
+ },
+ fontFamily: {
+ icon: 'select',
+ title: 'Font Family',
+ range: ['Arial', 'Courier', 'Times', 'Verdana'],
+ useRange: true,
+ value: 'Arial',
+ callback: function (family) { this.setFontFamily(family); }
+ }
+ }
+ };
+
+ // add icon to main menu
+ $.fn.wPaint.menus.main.items.text = {
+ icon: 'menu',
+ after: 'pencil',
+ title: 'Text',
+ index: 7,
+ callback: function () { this.setMode('text'); }
+ };
+
+ // extend defaults
+ $.extend($.fn.wPaint.defaults, {
+ fontSize : '12', // current font size for text input
+ fontFamily : 'Arial', // active font family for text input
+ fontBold : false, // text input bold enable/disable
+ fontItalic : false, // text input italic enable/disable
+ fontUnderline : false // text input italic enable/disable
+ });
+
+ // extend functions
+ $.fn.wPaint.extend({
+ generate: function () {
+ this.$textCalc = $('<div></div>').hide();
+
+ // make sure clicking on the text-tnput doesn't trigger another textInput
+ this.$textInput = $('<textarea class="wPaint-text-input" spellcheck="false"></textarea>')
+ .on('mousedown', this._stopPropagation)
+ .css({position: 'absolute'})
+ .hide();
+
+ $('body').append(this.$textCalc);
+ this.$el.append(this.$textInput);
+
+ this.menus.all.text = this._createMenu('text');
+ },
+
+ _init: function () {
+ var _this = this;
+
+ function inputClick() {
+ _this._drawTextIfNotEmpty();
+ _this.$textInput.hide();
+ _this.$canvasTemp.hide();
+ }
+
+ // in case we click on another element while typing - just auto set the text
+ for (var i in this.menus.all) {
+ this.menus.all[i].$menu
+ .on('click', inputClick)
+ .on('mousedown', this._stopPropagation);
+ }
+
+ // same idea here for clicking outside of the canvas area
+ $(document).on('mousedown', inputClick);
+ },
+
+ /****************************************
+ * setters
+ ****************************************/
+ setFillStyle: function (fillStyle) {
+ this.$textInput.css('color', fillStyle);
+ },
+
+ setFontSize: function (size) {
+ this.options.fontSize = parseInt(size, 10);
+ this._setFont({fontSize: size + 'px', lineHeight: size + 'px'});
+ this.menus.all.text._setSelectValue('fontSize', size);
+ },
+
+ setFontFamily: function (family) {
+ this.options.fontFamily = family;
+ this._setFont({fontFamily: family});
+ this.menus.all.text._setSelectValue('fontFamily', family);
+ },
+
+ setFontBold: function (bold) {
+ this.options.fontBold = bold;
+ this._setFont({fontWeight: (bold ? 'bold' : '')});
+ },
+
+ setFontItalic: function (italic) {
+ this.options.fontItalic = italic;
+ this._setFont({fontStyle: (italic ? 'italic' : '')});
+ },
+
+ setFontUnderline: function (underline) {
+ this.options.fontUnderline = underline;
+ this._setFont({fontWeight: (underline ? 'underline' : '')});
+ },
+
+ _setFont: function (css) {
+ this.$textInput.css(css);
+ this.$textCalc.css(css);
+ },
+
+ /****************************************
+ * Text
+ ****************************************/
+ _drawTextDown: function (e) {
+ this._drawTextIfNotEmpty();
+ this._drawShapeDown(e, 1);
+
+ this.$textInput
+ .css({left: e.pageX - 1, top: e.pageY - 1, width: 0, height: 0})
+ .show().focus();
+ },
+
+ _drawTextMove: function (e) {
+ this._drawShapeMove(e, 1);
+
+ this.$textInput.css({left: e.left - 1, top: e.top - 1, width: e.width, height: e.height});
+ },
+
+ _drawTextIfNotEmpty: function () {
+ if (this.$textInput.val() !== '') { this._drawText(); }
+ },
+
+ // just draw text - don't want to trigger up here since we are just copying text from input box here
+ _drawText: function () {
+ var fontString = '',
+ lines = this.$textInput.val().split('\n'),
+ linesNew = [],
+ textInputWidth = this.$textInput.width() - 2,
+ width = 0,
+ lastj = 0,
+ offset = this.$textInput.position(),
+ left = offset.left + 1,
+ top = offset.top + 1,
+ //underlineOffset = 0,
+ i, ii, j, jj;
+
+ if (this.options.fontItalic) { fontString += 'italic '; }
+ //if(this.settings.fontUnderline) { fontString += 'underline '; }
+ if (this.options.fontBold) { fontString += 'bold '; }
+
+ fontString += this.options.fontSize + 'px ' + this.options.fontFamily;
+
+ for (i = 0, ii = lines.length; i < ii; i++) {
+ this.$textCalc.html('');
+ lastj = 0;
+
+ for (j = 0, jj = lines[0].length; j < jj; j++) {
+ width = this.$textCalc.append(lines[i][j]).width();
+
+ if (width > textInputWidth) {
+ linesNew.push(lines[i].substring(lastj, j));
+ lastj = j;
+ this.$textCalc.html(lines[i][j]);
+ }
+ }
+
+ if (lastj !== j) { linesNew.push(lines[i].substring(lastj, j)); }
+ }
+
+ lines = this.$textInput.val(linesNew.join('\n')).val().split('\n');
+
+ for (i = 0, ii = lines.length; i < ii; i++) {
+ this.ctx.fillStyle = this.options.fillStyle;
+ this.ctx.textBaseline = 'top';
+ this.ctx.font = fontString;
+ this.ctx.fillText(lines[i], left, top);
+
+ top += this.options.fontSize;
+
+ /*if(lines[i] !== '' && this.options.fontTypeUnderline) {
+ width = this.$textCalc.html(lines[i]).width();
+
+ //manually set pixels for underline since to avoid antialiasing 1px issue, and lack of support for underline in canvas
+ var imgData = this.ctx.getImageData(0, top+underlineOffset, width, 1);
+
+ for (j=0; j<imgData.width*imgData.height*4; j+=4) {
+ imgData.data[j] = parseInt(this.options.fillStyle.substring(1,3), 16);
+ imgData.data[j+1] = parseInt(this.options.fillStyle.substring(3,5), 16);
+ imgData.data[j+2] = parseInt(this.options.fillStyle.substring(5,7), 16);
+ imgData.data[j+3] = 255;
+ }
+
+ this.ctx.putImageData(imgData, left, top+underlineOffset);
+ }*/
+ }
+
+ this.$textInput.val('');
+ this._addUndo();
+ }
+ });
+})(jQuery);