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95 lines
1.6 KiB
95 lines
1.6 KiB
# SVG
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## Positioning
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SVG tag is an inline element
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- (0,0) - x = 0, y = 0
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- starts at top left
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- y increases vertically down
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- can use negative values
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- -x goes left
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- -y goes up
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## Circle
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- attributes
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- `r` radius
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- `cx` x position
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- `cy` y position
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```xml
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<svg height="800" width="500">
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<circle/>
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<circle r="50"/>
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<circle r="50" cx="200" cy="300"/>
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</svg>
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```
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## Line
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- attributes
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- `x1` starting x position
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- `y1` starting y position
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- `x2` ending x position
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- `y2` ending y position
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```xml
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<svg height="800" width="500">
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<line/>
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<line x1="0" y1="0" x2="100" y2="100"/> <!-- no stroke, so invisible -->
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<line x1="0" y1="0" x2="100" y2="100" stroke="purple"/>
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<line x1="10" y1="0" x2="10" y2="100" stroke="red"/>
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<line x1="30" y1="10" x2="130" y2="10" stroke="blue"/>
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</svg>
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```
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## Rectangle
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## Ellipse
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## Polygon
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## Polyline
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## Path
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## Styling
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Can be done with attributes:
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- `fill=red` or `fill=#ff0000` fill color
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- `stroke=red` or `stroke=#ff0000` stroke color
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- `stroke-width=4` width of stroke
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- `fill-opacity=0.5` transparency of fill
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- `stroke-opacity=0.5` transparency of stroke
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- `transform = "translate(2,3)"`
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- `transform = "scale(2.1)"`
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- `transform = "rotate(45deg)"`
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Can also be done with CSS:
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```css
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circle {
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fill:red;
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stroke:blue;
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stroke-width:3;
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fill-opacity:0.5;
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stroke-opacity:0.1;
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transform:rotate(45deg) scale(0.4) translate(155px, 1px);
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}
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```
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## Text
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Content of tag is the text
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```xml
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<text x="0" y="15">I love SVG!</text>
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```
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Can use font-family and font-size CSS styling
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## Group
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- `<g></g>`
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- can put multiple elements inside it.
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- positioning and styling apply to children
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