Jingming Yu JimmyJune
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| <link rel="import" href="../core-scaffold/core-scaffold.html"> | |
| <link rel="import" href="../core-header-panel/core-header-panel.html"> | |
| <link rel="import" href="../core-menu/core-menu.html"> | |
| <link rel="import" href="../core-item/core-item.html"> | |
| <link rel="import" href="../core-icon-button/core-icon-button.html"> | |
| <link rel="import" href="../core-toolbar/core-toolbar.html"> | |
| <link rel="import" href="../core-menu/core-submenu.html"> | |
| <link rel="import" href="../core-scroll-header-panel/core-scroll-header-panel.html"> | |
| <polymer-element name="my-element"> |
JimmyJune
/ draw multiple lines text on canvas
Created
October 29, 2014 02:41
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| <!DOCTYPE HTML> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| margin: 0px; | |
| padding: 0px; | |
| } | |
| </style> | |
| </head> |
JimmyJune
/ Draw text background
Created
October 29, 2014 02:39
//todo:get line height is still wrong
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| function drawTextBG(ctx, txt, font, x, y) { | |
| ctx.save(); | |
| ctx.font = font; | |
| ctx.textBaseline = 'top'; | |
| ctx.fillStyle = '#f50'; | |
| var width = ctx.measureText(txt).width; | |
| ctx.fillRect(x, y, width, parseInt(font, 10)); | |
JimmyJune
/ get brower pixel radio
Created
October 29, 2014 02:25
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| function getPixelRatio() { | |
| if ('devicePixelRatio' in window) { | |
| if (window.devicePixelRatio > 1) { | |
| return window.devicePixelRatio; | |
| } | |
| } | |
| return 1; | |
| } |