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Computer basic course
This is not a single sentence, but two sentences can explain it clearly. You have to read more tutorials and do more operations by yourself. The following plagiarism is said a lot and correct.

1. Open the file quickly

Double-click the blank background of Photoshop (the gray display area by default) to open the browsing window of the selected file.

2. Change the color of the canvas at will

Select the paint bucket tool, hold down Shift and click the canvas edge to set the canvas background color to the currently selected foreground color. If you want to return to the default color, set the foreground color to 25% gray (R 192, G 192, B 192), then hold down Shift and click the canvas edge again.

3. Select the shortcut key of the tool

You can quickly select tools in the toolbox by pressing the shortcut key. The alphabetic shortcuts for each tool are as follows:

Marquee -M move -V lasso -L magic wand -W

Spray gun -J brush -B pencil -N rubber stamp -S

History Brush -Y Eraser -E Blur -R Fade in and out

Pen -P text -T measurement -U gradient -G

Paint bucket -K straw -I clip -H zoom -Z

Default foreground and background color -D Toggles the foreground and background color-x.

Edit mode switch -Q display mode switch -F

In addition, if we hold down the Alt key and click the displayed tool icon, or hold down the Shift key and repeatedly press the letter shortcut key, we can cycle through the hidden tools.

4. Get an accurate cursor

Press the Caps Lock key to display the cursors of brushes and magnetic tools as accurate crosshairs, and press the key again to restore the original state.

7. Free control of size

The shortcut key of the zoom tool is "Z", and "Ctrl ++ SPACEBAR" is a zoom tool, and "Alt ++ SPACEBAR" is a zoom tool, but it can only be zoomed by clicking with the mouse. Press Ctrl+"+ "+ "and"-"keys to enlarge and reduce the image respectively; Ctrl+Alt+"+ "and Ctrl+Alt+"-" can automatically adjust the window for full-screen zoom display. With this tool, no matter what percentage the picture is displayed, you can browse it in full screen! If you want to automatically adjust the window according to the picture size when using the zoom tool, you can click the "Full Canvas Display" option in the zoom tool property bar.

8. When using a non-hand tool, hold down the space bar, which can be converted into a hand tool to move the visible range of the image in the window. Double-click the mouse on the hand tool to display the image with the most suitable window size, and double-click the mouse on the zoom tool to display the image with the scale of 1: 1.

9. When using the eraser tool, hold down the Alt key to switch the eraser function back to the specified step recording state.

10. When using the smudge tool, hold down the Alt key to change from pure smudge to foreground smudge.

1 1. When you want to move the font selection range typed with the text masking tool, you can first switch to the quick masking mode (switch with the shortcut key Q), then move it, and then switch back to the standard mode after completion.

12. After holding down the Alt key, click the mouse in any open image window with the rubber stamp tool to set the sampling position in the window without changing the active window.

13. When using the move tool, you can directly move the image on the layer by the distance of 1 pixel by pressing the arrow keys on the keyboard. If you press the Shift key first and then press the arrow keys, you can move the image 10 pixels at a time. Alt dragging the selection will move the copy of the selection.

15. It is very convenient to measure the distance with a measuring tool (especially on the diagonal), and you can also use it to measure the angle (just like a protractor). On the premise that the information panel is visible, select the measuring tool, click and drag a straight line, and hold down the Alt key to drag the second straight line from the node of the first straight line, so that the included angle between the two straight lines and the length of the straight line are displayed on the information panel. Drag with the measuring tool to move the measuring line (or just move a node of the measuring line alone), and drag the measuring line outside the canvas to delete it.

16. Use painting tools, such as brushes and directional pens. ), hold down the Shift key and click the mouse to connect the two clicked points into a straight line.

17. Hold down the Alt key and select a color with the eyedropper tool to define the current background color. The color change of the current picture is monitored by combining the color sampler tool (Shift+I) and the information panel. The color values before and after the change are displayed next to the sampling point number on the information panel. You can define the color mode of sampling points through the pop-up menu on the information panel. To add a new sampling point, simply click anywhere on the canvas with the color sampler tool, and then hold down the Alt key to remove the sampling point. However, a maximum of four color sampling points can be placed on a picture. When a dialog box pops up in Photoshop (such as color code command, curve command, etc. ), you must hold down the Shift key and click again to add a new sampling point, and hold down the Alt+Shift key to click to subtract a sampling point.

18. Everyone must have used cutting tools, and you must have encountered this situation; When you adjust the clipping grip and the clipping box is close to the image boundary, the clipping box will automatically stick to the edge of the image, making it impossible for you to clip the image accurately. However, as long as you press the "Ctrl" key when adjusting the cutting frame, the cutting frame will obey and let you cut accurately.

Replication skill

19. Hold down the Ctrl+Alt key and drag the mouse to copy the contents of the current layer or selection.

20. If you recently copied a picture and stored it in the clipboard, Photoshop will use the size of the picture in the clipboard as the default size of the new picture when creating a new file (Ctrl+N). To skip this function and use the last setting, please hold down the Alt key (Ctrl+Alt+N) when opening it.

2 1. If you create a new work, you need a file with the same size, resolution and format as the opened picture. Select File → New, click the Window option in the Photoshop menu bar, and click the name of the open picture in the bottom bar of the pop-up menu. Yes, it's that simple!

22. When using the free transform tool (Ctrl+T), press and hold the Alt key (Ctrl+Alt+T) to copy the original layer (in the current selection) and then transform it on the copied layer; Ctrl+Shift+T means to perform the last transformation again, and Ctrl+Alt+Shift+T means to copy the original image before performing the transformation.

23. Use the command of "Copy New Layer (Ctrl+J)" or "Cut New Layer (Ctrl+J)" to complete the work of copying to paste and cutting to paste in one step; When you paste a new layer by copying (cutting), it will still be placed in their original locations, but when you paste it by copying (cutting), it will be pasted in the center of the picture (or selection).

24. If you want to copy an image directly without a naming dialog box, you can hold down the Alt key first, and then execute the command "Image → Copy".

25. The clipboard of Photoshop is very easy to use, but you prefer to use the clipboard of Windows system directly to process the images intercepted from the screen. Ok, press CTRL+K and click "Output to Clipboard" on the pop-up panel!

26. Make regular copying in Photoshop.

When doing layout design, we often put some elements regularly to seek an aesthetic form, which can be easily obtained through the combination of four shortcut keys in Photoshop.

Circle (1) Select the object to copy;

(2) press Ctrl+J to generate a floating layer; ;

(3) Move to the appropriate position according to the rotation to confirm;

(4) Now you can hold down Ctrl+Alt+Shift and press "T" continuously, so that you can copy continuous objects regularly. (As long as you hold down Ctrl+Shift, you just move regularly. )

27. When we want to copy the selected object in the file, we should use the copy command in the edit menu. It may not be troublesome to copy once, but it is quite inconvenient to copy many times and click repeatedly. At this time, you can first select the object with the selection tool, then click the move tool, and then hold down the "Alt" key. When the cursor changes to two overlapping arrows, one black and one white, drag the mouse to the desired position. To copy many times, just relax the mouse repeatedly.

28. You can use the marquee tool or lasso tool to drag the selection from one document to another.

29. To create a duplicate document for the current historical state or snapshot, you can:

(1) Click the "Create a new document from the current status" button;

(2) Select a new document from the history panel menu;

(3) Drag the current state (or snapshot) to the "Create a new document from the current state" button;

(4) Right-click the required state (or snapshot), select a new document from the pop-up menu, and drag a historical state of the current picture in the historical state to the window of another picture to change the content of the target picture. Hold down the Alt key to copy any historical status (except the current and recent status). The copied state becomes the current (latest) state. Hold down Alt and drag a step in an action to copy it into another action.

Selection skill

30. When dragging the selection area or layer from one document to another, hold down the Shift key to center it on the target document. If the size (dimensions) of the source document and the target document are the same, the dragged element will be placed in the same position as the source document (instead of the center of the canvas). If the target document contains a selection, the dragged element will be placed in the center of the selection.

3 1. Click the triangle button in the upper right corner of the action palette, and select Load Action from the pop-up menu to enter the PhotoshopGoodiesActions directory, which contains six action sets: button, specification, command, image effect, text effect, texture and frame, which contains many practical things! In addition, there is a ACTIONS.PDF file in this directory, which can be opened with Adobe Acrobat software, and it introduces the usage and effect of these actions in detail.

32. Click the brush tool in the toolbar, click the small triangle to the right of the brush label in the property bar displayed later, and then click the small arrow in the pop-up menu to select "Load brush …". Select *. Abr in the brush folder of Photoshop directory. There are so many lovely things here.

33. Draw a beautiful mark that you want to reuse in your work? Simple, select it with lasso tool, select "Save Brush …" from the brush pop-up menu, and then select this new pen with brush tool … Friend, do you want to do room painting?

34. If you want to select the part between two selection areas, hold down the Shift and Alt keys at the same time and drag next to any existing selection area, and draw the second selection area (a multiplication symbol will appear next to the mouse cross, indicating that the overlapping area will be preserved).

35. Delete the square or circle in the selection area. First, add any selection, and then press Alt to drag the rectangle or ellipse mask tool in the selection. Then release the Alt key, hold down the Shift key and drag until you are satisfied. Then release the mouse button first, and then release the Shift key.

36. Delete the selection area outward from the center. In any selection, first press Alt to drag the rectangle or ellipse mask tool, then press Alt after releasing Alt, and finally release the mouse button and then release Alt.

37. In the quick mask mode, when you want to quickly switch the mask area or select the area option, hold down the Alt key first, then move the cursor to the quick mask mode icon and click the mouse.

38. When using the marquee tool, hold down the Shift key to draw a square and a circular selection; Holding down the Alt key marks the selection at the starting point as the center.

39. Use the "reselect" command (Ctrl+Shift+D) to load/restore the previous selection.

40. When using the lasso tool to draw a selection, press Alt to switch between the lasso tool and the polygonal lasso tool. Hold down the space bar while drawing a selection to move the selection being drawn.

4 1. Hold down the Ctrl key and click the icon of a layer (on the layer board) to load its transparent channel, then hold down the Ctrl+Alt+Shift key and click another layer to select the area where the transparent channels of the two layers intersect.

42 The original constituency can be retained.

43. How to use the Shift and Alt keys in the selection box tool:

When you select a picture with the "selection box", you want to expand the selection area. Hold down the Shift key at this time, and the cursor "+"will become "ten+". Drag the cursor, so that you can expand the selection area you need on the basis of the original selection. Or select two or more check boxes in the same picture at the same time.

When you use the selection box to select pictures, you want to subtract the extra pictures from the selection box. Hold down the Alt key at this time, and the cursor "+"will become "ten-". Drag the cursor so that you can leave the picture you need.

When you select a picture with a "selection box", you want to get the overlap of the two selection boxes. Hold down the Shift+Alt key at this time, and the cursor "+"will become "ten". Drag the cursor so that you can get the required parts.

When you want to get a perfect circle or square in the "marquee", just hold down the "Shift" key.

44. How to use Shift and Alt keys in lasso tool:

Press the "Shift" key to increase the selection. (The method is the same as 1 in the "selection box")

Press the Alt key to reduce the selection. (The method is the same as 2 in the "Selection Box")

Press "Shift+Alt" in the overlapping area of the two check boxes. (The method is the same as 3 in the "Selection Box")

45. How to use the Shift and Alt keys in the "wand" tool:

Press the "Shift" key to increase the selection. (The method is the same as 1 in the "selection box")

Press the Alt key to reduce the selection. (The method is the same as 2 in the "Selection Box")

Press "Shift+Alt" in the overlapping area of the two check boxes. (The method is the same as 3 in the "selection box") Shortcut skills.

46. You can use the following shortcut keys to quickly browse images:

The homepage scrolls to the upper left corner of the image; End Scroll to the lower right corner of the image; Page up and scroll to the top of the image; Page down and scroll to the bottom of the image; Ctrl+pageup scrolls to the left of the image; Ctrl+pagedown scrolls to the right of the image.

47. Press Ctrl +Alt +0 to display the image at the ratio of 1: 1.

48. When you want to "closely arrange" (adjust the spacing between individual letters), first click between two letters, then press Alt and use the left and right arrow keys to adjust.

49. Restore the settings in the dialog box to the default values. Press and hold the Alt key first, the Cancel key will become the Reset key, and then click the Reset key.

50. To quickly change the value displayed in the dialog box, first click the number with the mouse so that the cursor is in the dialog box, and then you can use the up and down arrow keys to change the number. If you press the Shift key before using the arrow keys to change the value, the value will change faster.

5 1. To modify (a picture or photograph) by computer.

6.0 In addition to the familiar shortcut key Ctrl+Z (you can switch between the history and the current state freely), Shift+Ctrl+Z (used to operate step by step in the order of *) has been added.

Restore * work) and Alt+Ctrl+Z (so that users can cancel * work step by step in the order of * work). Press Ctrl+Alt+Z and ctrl+shift+z.

Don't switch back and forth in the history (or you can use the menus in the History panel to use these commands).

52. Filling function:

Shift+Backspace opens the fill dialog box;

Alt+ Backspace and Ctrl+ Backspace are used to fill the foreground color and background color respectively.

When filling foreground and background colors, press Alt+Shift+Backspace and Ctrl+Shift+Backspace to fill only existing pixels (keep transparent areas).

53. The D key and X key on the keyboard can quickly switch the foreground color and background color.

54. Draw a straight line with any drawing tool: click the mouse at the starting point, then hold down the Shift key, and then move the cursor to the end point and click the mouse.

55. When the curve dialog box opens, hold down the Alt key and click the curve box to make the grid finer, and then click the mouse to restore the original state.

56. After using the rectangle (ellipse) selection tool to select the range, hold down the mouse and press the space bar to adjust the position of the selection box at will, and then adjust the size of the selection range after releasing it.

57. Add a rectangle or ellipse drawn outward from the center. In any selected area added, first hold down Shift and drag the rectangle or ellipse masking tool, then release Shift and press Alt.

Key, finally release the mouse button, and then release the Alt key. Press Enter or Return to close the slider box. To cancel the changes, press Escape.

(Esc). To increase or decrease the value in increments of 10% when the popup slider dialog box opens, hold down the Shift key and press the up arrow key or down arrow key.

58. If you want to preview the CMYK mode color of RGB mode image on the screen, you can execute the command View → New View first, and then execute the command View → Preview →"CMYK "after generating a new view, so that you can watch the images of two modes at the same time, which is convenient for comparative analysis.

59. Press Shift to drag the marquee tool to limit the marquee to a square or a circle; Press Alt to drag the marquee tool and draw the marquee from the center; Press Shift+Alt to drag the marquee tool and draw a square or circular marquee from the center.

60. To prevent the selection box from being attached to the picture box when using the cutting tool, just hold down the Ctrl key while dragging the control points on the selection box of the cutting tool.

6 1. To correct the tilted image, first draw a line (such as the border of the image, the door frame, the horizontal line between the eyes, etc.). ) Use the measuring tool on the map, and then select the image from the menu →→→→→→→→→→→→→→→→→→→→→→→→→→→→→ Any angle … ". After opening, you will find that the correct rotation angle has been automatically filled in. Just press OK.

62. You can use the cutting tool to complete the rotation and cutting in one step: first draw a box with the cutting tool, drag the control points on the selection box, adjust the angle and size of the selection box, and finally press Enter to realize the rotation and cutting. At the same time, the angle measured by the measuring tool will be automatically filled into the dialog box of the digital conversion tool (Edit → Convert → Number).

63. After cropping the image, all pixels outside the cropping range will be lost. If you want to cut without loss, you can use the Canvas Size command. Although Photoshop will warn you that you will do some cropping, for some reason, not all the "cropped" data actually stays off the screen, but it doesn't work in indexed color mode.

64. When merging visible layers, press Ctrl+Alt+Shift+E to copy all visible layers and merge them into the current layer. You can also hold down the Alt key when merging layers, which will copy the current layer and merge it to the previous layer, but the hotkeys Ctrl+Alt+E will not work at this time.

65. Press Shift+Backspace to activate the Edit → Fill the command dialog box, and press Alt+Backspace to fill the foreground color in the selection box; Press Ctrl+Backspace to fill the backgrounds in the eight selection boxes.

66. Press Shift+Alt+Backspace to fill the foreground color in the selected box, and keep the transparent setting; Press Shift+ctrl back space to fill the background color in the selected box and keep the transparency setting.

67. Press Alt+Ctrl+Backspace to fill the selection or layer in the history, and press Shift+Alt+Ctrl+Backspace to fill the selection or layer in the calendar.

And keep the transparent setting. 68.

Press Ctrl+"= "key to enlarge the image display continuously, but the window will not shrink accordingly; Press Ctrl+"- "to make the image display shrink continuously, but the window will not shrink with it; Press Ctrl+Alt++.

The "=" key can continuously enlarge the image display and enlarge the window accordingly; Press CTRL+ALT+"- "to make the image display shrink, and the window will shrink accordingly.

69. When moving layers and selection, hold down the Shift key to move horizontally, vertically or at a 45-degree angle; Press the arrow keys on the keyboard to move 1 pixel at a time; Hold down the Shift key, then press the arrow keys on the keyboard to move 10 pixels at a time.

70. When creating a reference line, hold down the Shift key to drag the reference line close to the scale; Hold down the Alt key and drag the guide line to change it to the horizontal or vertical direction.

7 1. In the command dialog box of Image → Adjustment → Curve, hold down the Alt key and click the mouse in the grid to make the grid thinner or thicker; Hold down the Shift key and click a control point to select multiple control points, and hold down the Ctrl key and click a control point to delete it.

72. If you want to copy the image of a certain layer to the center of another image window with different sizes, you can hold down the Shift key when dragging it to the destination window, and the image will be automatically centered after dragging it to the destination window.

73. When using the "Edit → Free Transform" (Ctrl+T) command, hold down the Ctrl key and drag a control point for free deformation adjustment; Hold down the Alt key and drag the control points to form symmetry.

Deformation adjustment; Hold down the Shift key and drag the control points to adjust the zoom ratio; Hold down Shift+Ctrl and drag a control point to adjust the perspective effect; according to

Shift+Ctrl key drags a control point for oblique cutting adjustment; Press Enter to apply the transformation; Press Esc to cancel *.

74. In the color swatch palette, press Shift to click a color block and replace the color with the foreground color; Press Shift+Alt to click the mouse, and the foreground color will be inserted as a new color block at the click; Press Alt and click a color block to change the color of the background; Clicking the color block by pressing Ctrl will delete the color block.

75. On the palettes of layers, channels and paths, tools with dialogs can bring up corresponding dialogs to change settings when pressing Alt key and clicking the tool buttons at the bottom of these palettes.

76. On the layer, channel and path palette, hold down Ctrl and click the layer, channel or path to load it as a selection; Press Ctrl+Shift and click to add to the current selection; Press Ctrl+Shift+Alt and click intersect with current selection.

77. When using layer mask in the layer panel, hold down the Shift key and click the layer mask thumbnail, and a red * sign will appear, indicating that the current mask is disabled. Hold down the Alt key and click the thumbnail of layer mask, and the mask will be displayed in the form of a whole image, which is convenient for observation and adjustment.

78. In the path panel, hold down the Shift key and click the mouse on the path bar of the path panel to switch whether to display the path.

79. After changing the settings of a dialog box, if you want to return to the previous value, hold down the alt key, and the Cancel button will become a reset button. Click it.

Path skill

80. After clicking a point on the adjustment path, press the Alt key, and then click the point with the left mouse button. At this time, one of the "adjustment lines" will disappear, and it will not be affected when clicking the next path point.

8 1. If you draw a Path with "path", the mouse is now a pen, you just need to press Enter on the keypad (remember that it is the Enter key on the keypad, not the main keyboard! ), then the path will immediately become a "selection area".

82. If you use the pen tool to draw the path, now the mouse state is pen, just press the Enter key on the keypad (remember that it is the Enter key on the keypad, not the main keyboard! ), the path will be loaded immediately as a selection.

83. Hold down the Alt key and click the mouse on the trash can icon in the path control panel to delete the path directly.

84. When using other tools of the path, hold down the Ctrl key to temporarily change the cursor to the direction selection tool.

85. Hold down the Alt key and click the mouse on the trash can icon in the path control panel to delete the path directly.

86. When using other tools of the path, hold down the Ctrl key to temporarily change the cursor to the direction selection tool.

87. Click the blank area on the path panel to turn off the display of all paths.

88. When you click the buttons at the bottom of the Paths panel (fill the path with foreground color, stroke the path with foreground color, and load the path as a selection), hold down the Alt key to see a series of available tools or options.

89. If we need to move the whole or multiple paths, please select the path to move, and then use the shortcut key Ctrl+T to drag the path to any position.

90. When drawing a path, we usually use * to draw a single line of pixels, but there will be a problem at this time, that is, there are rectangular teeth, which greatly affects the practical value. At this time, we might as well first convert the path into a selection, and then stroke the selection, so that we can also get the lines of the original path, but we can eliminate the rectangular teeth.

9 1. Converting the selected area into a path is a very practical work. This function is consistent with the corresponding icon function in the control panel. When this function is called, the required attribute settings will be available in the pop-up MAKE WORK PQTH Settings window.

92. When using the pen tool to draw a path, hold down the Shift key to force the path or direction line to form a horizontal, vertical or 45-degree angle. Hold down the Ctrl key to temporarily switch to the path selection tool, and hold down the Alt key to move the pen cursor.

Click the black node to change the direction of the direction line, so that the curve can turn; Hold down the Alt key and click the path with the path selection tool to select the whole path; To select multiple paths at the same time, you can hold down the Shift key and select them one by one.

Click; When using the path selection tool, hold down the "Ctrl+Alt" key to approach the path, and you will switch to the pen tool for adding nodes and subtracting nodes.

93. If you want to switch whether the path is displayed, you can click the mouse on the path bar of the path palette after holding down the Shift key, or click in the gray area of the path palette, or press CTRL+SHIFT+H. ..

To switch the color mode directly on the palette, first hold down the Shift key, then move the cursor to the color bar and click.

94. If you want to add a command after the command in the action, you can select the command first, then click the Start Recording button on the palette, select the command you want to add, and then click the Stop Recording button.

97. If you want to add a command after a command in a macro (action), you can first select the command, then click the Start Recording icon on the palette, select the command you want to add, and then click the Stop Recording icon.

Yes

98. Filter shortcuts

Ctrl+f- Reuse the filter you just used.

Ctrl+alt+f- use the filter and new options you just used.

Ctrl+Shift+F- Fade the last filter or adjust the effect or change the composition mode.

99. In the filter window, press Alt, and the Cancel button will become the Reset button, which can restore the initial state. To enlarge the size of the image preview in the filter dialog box, directly press "Ctrl" and click the preview area with the mouse to enlarge it; On the other hand, if you press the "Alt" key, the image in the preview area will shrink rapidly.