| 1: |
Which header should you send to the browser before building and outputting a PNG image?
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| 2: |
Which function could you use to acquire an image resource that you can use with other image functions?
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| 3: |
Which function would you use to output your PNG after building it?
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| 4: |
Which function could you use to acquire a color resource?
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| 5: |
With which function would you draw a line on a dynamic image?
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| 6: |
Which function would you use to fill an area in a dynamic image?
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| 7: |
Which function might you use to draw an arc?
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| 8: |
How might you draw a rectangle?
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| 9: |
How would you draw a polygon?
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| 10: |
Which function would you use to write a string to a dynamic image?
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| A1:
| To output a PNG image, you should use the header() function to send the line "Content-type: image/png" to the browser. |
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| A2:
| The imagecreate() function, returns an image resource. Functions such as imagecreatefrompng() can also be used to acquire an image resource from a file on the server. |
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| A3:
| You can output a PNG file with the imagepng() function. |
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| A4:
| You can acquire a color resource with the imagecolorallocate() function. |
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| A5:
| The imageline() function draws a line. |
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| A6:
| The imagefill() function fills an area with color. |
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| A7:
| You can draw an arc with the imagearc() function. |
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| A8:
| You can draw an outline rectangle with the imagerectangle() function. If you want to draw a filled rectangle, you can use imagefilledrectangle(). |
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| A9:
| You can draw a polygon with either imagepolygon() or imagefilledpolygon(). |
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| A10:
| You can write a string to a dynamic image with the imageTTFtext() function. You could also use the imagestring() function if you needed less control over positioning, size, and font. |
