<\/figure><\/div>\n\n\n\nKhi b\u1ea1n b\u1eaft \u0111\u1ea7u m\u1edf photoshop CC 2018 vi\u1ec7c \u0111\u1ea7u ti\u00ean b\u1ea1n n\u00ean ch\u00fa \u00fd \u0111\u00f3 l\u00e0 resolution ( \u0111\u1ed9 ph\u00e2n gi\u1ea3i ) n\u00ean \u0111\u1ec3 300 dpi (dots per inch) t\u1ed1i thi\u1ec3u .<\/p>\n\n\n\n
\u0110\u1ec3 c\u00f3 m\u1ed9t b\u1ea3n in \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng , b\u1ea1n c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn \u0111\u1ed9 ph\u00e2n gi\u1ea3i \u1ea3nh \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng \u0111\u01a1n v\u1ecb dpi . Ch\u1ec9 s\u1ed1 dpi c\u1ee7a \u1ea3nh cao \u0111\u1ed3ng ngh\u0129a b\u1ea3n in c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 dung l\u01b0\u1ee3ng file \u1ea3nh c\u0169ng l\u1edbn. \u0110\u1ed9 ph\u00e2n gi\u1ea3i 300 dpi ngh\u0129a l\u00e0 tr\u00ean 1 di\u1ec7n t\u00edch l\u00e0 1 inch th\u00ec c\u00f3 300 ” \u00f4 vu\u00f4ng ” nho nh\u1ecf .<\/p>\n\n\n\n
\u0110\u1ed9 ph\u00e2n gi\u1ea3i t\u1ed1t nh\u1ea5t l\u00e0 bao nhi\u00eau dpi ?<\/strong> \u0110\u1ed1i v\u1edbi h\u00ecnh \u1ea3nh trong in \u1ea5n , \u0111\u1ed9 ph\u00e2n gi\u1ea3i l\u00fd t\u01b0\u1edfng l\u00e0 300 dpi cho h\u00ecnh \u1ea3nh v\u00e0 400 dpi cho v\u0103n b\u1ea3n \u1edf k\u00edch th\u01b0\u1edbc in cu\u1ed1i c\u00f9ng . N\u1ebfu t\u0103ng dpi l\u1edbn nh\u01b0ng k\u00edch th\u01b0\u1edbc \u1ea3nh nh\u1ecf h\u01a1n k\u00edch th\u01b0\u1edbc b\u1ea3n in mong mu\u1ed1n th\u00ec \u1ea3nh s\u1ebd kh\u00f4ng \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng . Do v\u1eady , n\u00ean ch\u1ecdn file c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng ho\u1eb7c l\u1edbn h\u01a1n k\u00edch th\u01b0\u1edbc b\u1ea3n in d\u1ef1 \u0111\u1ecbnh in .<\/p>\n\n\n\nVD : Kh\u00e1ch y\u00eau c\u1ea7u v\u1ebd \u0111\u1ec3 in m\u1ed9t b\u1ea3n c\u00f3 kh\u1ed5 l\u00e0 A4 ( 2480 x 3508 pixels ) . Th\u00ec m\u00ecnh n\u00ean \u0111\u1ec3 kh\u1ed5 k\u00edch th\u01b0\u1edbc \u1ea3nh t\u1ed1i thi\u1ec3u l\u00e0 A4 ( 2480 x 3508 pixels ) ho\u1eb7c l\u1edbn h\u01a1n . Ch\u1ee9 \u0111\u1eebng \u0111\u1ec3 kh\u1ed5 \u1ea3nh nh\u1ecf h\u01a1n k\u00edch th\u01b0\u1edbc A4 d\u00f9 c\u00f3 \u0111\u1ec3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i 300 dpi \u0111i n\u1eefa , l\u00fac in ra ch\u1ea5t l\u01b0\u1ee3ng c\u0169ng kh\u00f4ng \u0111\u1ea1t chu\u1ea9n .<\/p>\n\n\n\n
Ch\u00ednh v\u00ec v\u1eady , \u0111\u1ea7u ti\u00ean m\u00ecnh \u0111\u1ec3 k\u00edch th\u01b0\u1edbc \u1ea3nh l\u00e0 kh\u1ed5 l\u1edbn t\u1ea7m ho\u1eb7c h\u01a1n 3000×4000 pixels<\/strong> v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i l\u00e0 300dpi<\/strong> . S\u1eed d\u1ee5ng d\u1ea3i m\u00e0u RGB color 16 bit<\/strong> l\u00e0m b\u1ea3n m\u1eabu v\u00e0 \u1ea5n save ( bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 c\u1ee9ng c\u00f3 d\u1ea5u m\u0169i t\u00ean g\u00f3c ph\u1ea3i ) v\u00e0 \u0111\u1eb7t t\u00ean Art. \u0110\u1ec3 m\u1ed7i khi v\u1ebd ch\u1ec9 c\u1ea7n m\u1edf b\u1ea3n m\u1eabu ra kh\u00f4ng c\u1ea7n m\u1ea5t th\u1eddi gian ch\u1ecdn ch\u1ec9nh s\u1eeda hay nh\u1ee1 qu\u00ean \u0111\u1ec3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i th\u1ea5p th\u00ec h\u00ecnh \u1ea3nh l\u00fac in ra s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1t l\u1eafm.<\/p>\n\n\n\nT\u1ea1o kh\u00f4ng gian l\u00e0m vi\u1ec7c ri\u00eang trong photoshop (Workspace)<\/h4>\n\n\n\n Trong photoshop m\u00ecnh c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t kh\u00f4ng gian l\u00e0m vi\u1ec7c v\u1edbi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ri\u00eang m\u00e0 m\u00ecnh hay s\u1eed d\u1ee5ng . <\/p>\n\n\n\n
<\/figure><\/div>\n\n\n\nVi\u1ec7c thi\u1ebft l\u1eadp m\u1ed9t kh\u00f4ng gian ri\u00eang \u0111\u1ec3 chuy\u00ean v\u1ebd s\u1ebd gi\u00fap ch\u00fang ta s\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng c\u1ee5 d\u1ec5 d\u00e0ng , nh\u00ecn g\u1ecdn m\u1eaft v\u00e0 tho\u00e1ng h\u01a1n .<\/p>\n\n\n\n
Khi \u1ea5n v\u00e0o window tr\u00ean thanh c\u00f4ng c\u1ee5 s\u1ebd hi\u1ec7n ra v\u00f4 s\u1ed1 c\u00e1c thanh c\u00f4ng c\u1ee5 nh\u1ecf . Nh\u01b0 h\u00ecnh tr\u00ean m\u00ecnh ch\u1ee5p , khi v\u1ebd quan tr\u1ecdng nh\u1ea5t l\u00e0 m\u00e0u s\u1eafc v\u00e0 layers n\u00ean m\u00ecnh ch\u1ec9 \u0111\u1ec3 hi\u1ec7n 2 thanh c\u00f4ng c\u1ee5 \u0111\u00f3 . B\u00ean c\u1ea1nh l\u00e0 c\u00e1c bi\u1ec3u t\u01b0\u1ee3ng nh\u01b0 brushes , brush setting , history… nho nh\u1ecf hay d\u00f9ng \u0111\u1ebfn . <\/p>\n\n\n\n
V\u1eady vi\u1ec7c ti\u1ebfp theo \u0111\u00f3 l\u00e0 ch\u1ecdn l\u1ecdc nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0o b\u1ea1n hay s\u1eed d\u1ee5ng v\u00e0 lo\u1ea1i b\u1ecf nh\u1eefng \u1ee9ng d\u1ee5ng th\u1eeba th\u00e3i hay \u00edt s\u1eed d\u1ee5ng cho tho\u00e1ng v\u00e0 d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd , s\u1ebd d\u1ec5 ti\u1ebfp thu v\u00e0 nh\u1edb h\u01a1n cho vi\u1ec7c l\u00e0m quen ban \u0111\u1ea7u v\u1edbi PS . Sau \u0111\u00f3 m\u00ecnh \u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng c\u1eeda s\u1ed5 g\u00f3c tr\u00ean b\u00ean ph\u1ea3i ( nh\u01b0 trong h\u00ecnh minh h\u1ecda ) \u1ea5n new workspase \u0111\u1ec3 t\u1ea1o m\u1ed9t kh\u00f4ng gian ri\u00eang c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n
Ph\u00edm t\u1eaft ( Shortcuts )<\/h4>\n\n\n\n <\/figure><\/div>\n\n\n\nVi\u1ec7c l\u00e0m quen v\u00e0 nh\u1edb c\u00e1c ph\u00edm t\u1eaft trong ph\u1ea7n m\u1ec1m photoshop l\u00e0 \u0111i\u1ec1u c\u1ef1c k\u1ef3 h\u1eefu d\u1ee5ng. <\/p>\n\n\n\n
B = Brush <\/strong><\/p>\n\n\n\nF5 = M\u1edf b\u1ea3ng c\u00f4ng c\u1ee5 brush<\/strong><\/p>\n\n\n\nE = Eraser ( T\u1ea9y x\u00f3a )<\/strong><\/p>\n\n\n\nCtrl + = Zoom in ( ph\u00f3ng to )<\/strong><\/p>\n\n\n\nCtrl – = Zoom out ( thu nh\u1ecf )<\/strong><\/p>\n\n\n\nho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Ctrl alt + ph\u00edm spacebar c\u00f9ng \u0111i\u1ec1u khi\u1ec3n chu\u1ed9t gi\u1eefa \u0111\u1ec3 ph\u00f3ng to v\u00e0 thu nh\u1ecf .<\/strong><\/p>\n\n\n\nCtrl 0 = l\u00e0m t\u00e0i li\u1ec7u c\u1ee7a b\u1ea1n v\u1eeba v\u1edbi khung b\u1ea1n l\u00e0m vi\u1ec7c.<\/strong><\/p>\n\n\n\nCtrl Z = Undo \/ Redo ( M\u00ecnh th\u00edch ph\u00edm t\u1eaft n\u00e8 nh\u1ea5t n\u00e8 )<\/strong><\/p>\n\n\n\nCtrl + alt + Z = Undo<\/strong><\/p>\n\n\n\nCtrl + Shift + N: T\u1ea1o Layer m\u1edbi<\/strong><\/p>\n\n\n\nAlt + Ctrl + I: M\u1edf c\u1eeda s\u1ed5 ch\u1ec9nh k\u00edch th\u01b0\u1edbc \u1ea3nh<\/strong><\/p>\n\n\n\nAlt + Backspace: \u0110\u1ed5 m\u00e0u cho layer b\u1eb1ng m\u00e0u <\/strong>Foreground<\/strong><\/em> \u0111\u00e3 ch\u1ecdn tr\u01b0\u1edbc \u0111\u00f3.<\/strong><\/p>\n\n\n\nAlt + Delete: \u0110\u1ed5 m\u00e0u cho layer b\u1eb1ng m\u00e0u <\/strong>Background<\/strong><\/em> \u0111\u00e3 ch\u1ecdn tr\u01b0\u1edbc \u0111\u00f3<\/strong><\/p>\n\n\n\n\u0110\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u00edm t\u1eaft th\u00f4ng d\u1ee5ng v\u00e0 s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong vi\u1ec7c v\u1ebd tr\u00ean PS .<\/p>\n\n\n\n
\n\nLayers and Masks\n\n<\/h4>\n\n\n\n