1. ⺻
α ũ Ʈ ü ִ. Ʈ پ ̹
ȭ ־ Ư ȿ ػ
ũⰡ Ŀ ϴ 뷮 ӵ Ŀ ִ. ̷
Ʈ Ư¡ ũ⸦ Ȯ ܰ ġ ó
̴. ü (Object Graphic) ǻͻ ǥ
ִ̾ ʷ ϴ ٷ ü
̱ Ȯذ ܰ ϰ óȴ. ̷ Ŀ
Ҹ ü(object) θ. ü ̹ ġ
, ܰ ִ. ü ȿ
ü ٸ ü ʰ ϰų ̵ ִ.
ȼ: ÷Ϳ Ÿ , Ķ,
ʷϻ Ǿִ. ϳ ȼ(pixel)̶ Ѵ.Ǵ
dot θ Ѵ. ǻ ̷ ȼ . ȼ
ƾ ڿ ǥϰ ȴ. ǻ ũ ι
ȼ ι ȼ ǥȴ. ̰ ػ Ѵ.
ػ(Resolution): ͻӸ ƴ϶ TV, ī
ȭ Ѵ. Ư ī尡 Ϳ ǥ ִ
Ѵ. ػ 1024*768 800*600 ػ .
ȭػ 640*480 ȼ̸ VGA ī忡 ram memory
800*600, 1024*768, 1280*1024, 1600*1200 ػ ȭ ְ
ȴ.
* pixel: ȼ ȭ鿡 ִ ̴. pixel picture
element ظ.
* ȼ е: ػ ȼ е ǹϱ Ѵ. μ
ػ inch dot dpi( dot per inch) Ÿ.
2. ȼ ǥ ִ
ǻ ȼ Ǵµ ȼ ǻͿ ǥǸ
Ǵ°, ǻͿ ϴ bit(0,1)̴.
ȼ 1 bit з Ҵϸ ϳ ȼ Ѱ ǥ
ְ ȴ. 2 bit Ҵ ȼ ǥҼ ִ.
ٸ ϳ ȼ Ʈ Ҵϸ ɱ? ȼ
ǥ ְԵǹǷ ÷ ǥϴ . ̷
Ʈ Ҵ ȼ bitmap(
) Ѵ. ȼ 8 bit Ҵϸ 2 8 Ǵ 256 color ϸ
16 bit Ҵϸ 2 16 Ǵ 65,536 color, 24 bit Ҵϸ 2
24 Ǵ 16,777,216 color ϰ ȴ. ̷ ȼ Ҵϴ bit
bit Ȥ color depth Ѵ. bit color ̰ Ŀ پ
ǥ ũⰡ ſ Ŀ ȴ. Ʈ
Ҵϴ ٶ ʴ.
3.
Ʈ Ϸ ȴ. ̵ ϴ
پϴ, ϴ Ʒ .
*BMP: ȯ濡 Ǵ ǥ Ʈ
. bitmap Ȯڴ bmp
*GIF: ż ߵ Ʈ . 256 Į ϴ
Ȯڴ gif
*JPEG: ũ
ִ Ʈ . ũ⸦ ũ ٿ
̸ ȭ ٴ ִ.
*PCX: PC θ Ǿ Ʈ
. Ȯڴ PCX
*TIFF: PC Ųÿ θ Ǵ bitmap
. b̰ ο鼭 . Ȯڴ tif.
*CDR: PC θ Ǵ .
*WMF: 찡 ϴ ǥ