This software is quite small, about 3M in size, and requires no installation.

SAI is specially designed for drawing, and many of its functions are more user-friendly than Photoshop.

For example, you can rotate and flip the canvas arbitrarily, and anti-alias when scaling.

Powerful ink line function

1. Hand shake correction function. Effectively improves the biggest problem when drawing with a handwriting tablet.

2. The vectorized pen layer can draw smooth curves and can be adjusted arbitrarily like the pen tool of PS.

The brush settings are also quite detailed. The tool changing function is also very considerate. For example, long pressing E will temporarily turn it into an eraser, and then release it and turn it back into a brush. Pressing the key quickly will switch tools.

※Usage Help※

★Brush tools:

1. Pencil

Adjustable tool for drawing thin lines

2. Airbrush

A spray-style tool

3. Pen

A watercolor tool with a strong style. Ability to mix base colors and opacity for painting.

With blur and rendering effects. When the layer transparency is protected, it becomes the brush tool.

4. Watercolor pen

Transparent style watercolor tool. Ability to blend background color and opacity for drawing.

If you draw with a pen pressure lower than the one set in "Blur Pen Pressure", it becomes a blur tool. No color can be drawn at this time.

Please use it according to the pen pressure.

If you do not set the "Minimum Radius" larger, the blur effect will become worse

If you set the "Blending Opacity" to 0, it will become a blur tool without transparency.

5. 2-value pen

A tool that is close to setting the wet painting mode of the old watercolor pen to OFF.

Can produce the effect of dyeing color on paper. A certain degree of transparency can be achieved with pen pressure control.

However, it is not possible to return to a previously achieved transparency.

When the layer transparency is protected, it becomes the brush tool.

6. Eraser

Eraser tool. Generally drawn with transparent colors. When the layer transparency is protected, it will be drawn with white RGB (255, 255, 255)

7. Selection Pen Tool

A tool for correcting the details of the selected area (added to the selection)< /p>

8. Selection erase tool

A tool for correcting the details of the selected area (subtracted from the selection)

★Parameter settings for brush tools:

1. Brush size unit

Set the unit for brush size. Please choose according to the size of the brush you are using.

2. Brush size

Adjustable brush size

3. Blending mode

Normal: general drawing mode

Multiplication (multiplication): Multiply the background color by the percentage of the pixel density to draw

Each time the strokes are superimposed, the color will deepen

Bright : When the painting color (foreground color) and the background color (background color) have different hues, the brightness will be reduced to suppress

the color from turning black

Especially for pens, watercolor pens have a strong effect Effect

Depth: A mode between multiplication mode and normal mode. The only tools that can be used are pens and watercolor brushes

Edge Hardness: Set the softness and hardness of the brush edge< /p>

Brush density: Set the density when drawing with various brushes

Minimum radius: The radius size of the brush when the pen pressure is minimum

Background color mixing: ( pen, watercolor pen, 2-value pen) specifies the degree of blending with the background color.

Moisture content: (pen, watercolor brush) Specify the increment of opacity to change the water content of the painting tool.

Use a watercolor pen. When this parameter is set to 0, it will become a blur tool without transparency

Color extension: (pen, watercolor pen, 2-value pen) set color degree of extension

Blur Pressure: (Watercolor Brush) Set the pen pressure of the blur tool that does not draw pixels

Maintain Opacity: (Pen, Watercolor Brush)

When painting from a pixel-containing part to a transparent part, the original transparency will be maintained

[★Detailed settings]

1. Drawing quality: Set whether to prioritize drawing speed or Prioritize drawing quality

2. Edge hardness: Set the hardness of the brush edge. It is recommended to use a brush with clear edges

3. Minimum concentration: The concentration of the brush when the pen pressure is minimum< /p>

4. Maximum pen pressure: the pen pressure when reaching the maximum pen density

5. Pen pressure sensitivity: Set the pen pressure sensitivity of the tablet

6. Pen pressure: Set parameters to control various pen pressures

★Pen layer tools:

Using the pen layer, you can still edit the shape of the graphic after drawing

p>

1. The control point tool

can change the drawing points. Anchor points or curves can be edited using shortcut keys to click and drag

Select/Cancel:

Multiple anchor points and curves can be selected with a single click.

To deselect, please right-click or execute "Deselect All Anchors" under the "Select" menu

After the anchor points are selected, you can perform the following operations:

Move anchor point

Stroke macro transformation

Delete anchor point

Set/cancel macro transformation anchor point

Set/cancel Acute corners

Adjust pen pressure

Move strokes (when pressing the Shift key)

Copy and move strokes (when not pressing the Shift key)

Delete strokes

Image deformation

After the curve is selected, you can perform the following operations:

Delete curves

Move strokes< /p>

Copy and move strokes

Delete strokes

Change stroke line type

Change stroke color

Image deformation

p>

Move the anchor point:

Drag the control point with the mouse to move it. Drag a point on the curve to move it as an anchor point

Stroke macro deformation:

Drag the control point or curve with the mouse to deform the anchor point (yellow Anchor point) range

is used as the basis for rough deformation.

Deletion of control points/curves:

Click the anchor point or curve to delete the operation

Macro deformation anchor point OFF/ON: click the anchor point You can switch normal anchor points to macro deformation anchor points.

Stroke movement:

Drag the stroke to move accordingly.

Copy and move strokes:

Drag the strokes to copy and then move them

Link strokes:

Drag and move The strokes can be connected by making the anchor points of different strokes coincide with each other

Delete strokes:

Click a stroke to delete it

Set/cancel acute points:

Click the anchor point to switch whether to perform acute-angle bending (deformation)

★Pen tools:

Make freehand lines that can be modified repeatedly.

1. Curve Tool

Create a repeatable curve by clicking multiple times to determine the anchor point.

2. Polyline Tool

Create a polyline that can be modified repeatedly by clicking multiple times to determine the anchor point.

3. Correction fluid tool

Can erase part of the strokes

4. Line switching tool

Change the type of brush used to draw strokes< /p>

5. Pen Pressure Tool

Can adjust the pen pressure of strokes

6. Color Change Tool

Can change the color of strokes

p>

★Selection tool

Selection extraction mode:

When setting the selection area, determine the edge detection plan.

In addition, the selected range will also become the object of boundary detection.

For the selection range, the boundary detection scheme defaults to "transparent part surrounded by lines"

Transparent parts surrounded by lines (exact):

Select lines The enclosed area, however, the selected area must be transparent.

Accurate edge detection will be performed.

Transparency and judgment range:

After clicking a certain position, the pixel transparency at that position +/- transparency and judgment range will be selected.

Transparent portion enclosed by line (not precise):

Selects the area enclosed by the line, however, the selected area must be transparent.

Inaccurate edge detection will occur to some extent.

Use it for paintings with messy lines (such as drawing manuscripts), but if the lines are too messy, the effect will be lost.

Transparency and judgment range:

After clicking a certain position, the pixel transparency at that position +/- transparency and judgment range will be selected.

Part within color difference range:

Selects an area within a specified range by examining the color difference between pixels. It is the most common selection tool

★Selection extraction object

1. Selected layer:

Select the current layer or layer group< /p>

2. Specified layer

Perform selection extraction on the layer or layer group of the specified selection extraction object set in the layer options.

When the specified selection extraction object does not specify any layer, only the current selection area will be selected

3. Canvas (artboard):

Select the area where the current canvas displays the image.

★Image deformation tool

The operation of image deformation processing is as follows:

1. Select the layer or cropped part that you want to deform

2. In the image transformation tool, select an item in Rotate, Change Size, Free Transform, Free Transform

,

or press the key combination Ctrl+T (Free Transform is selected by default )

3. By dragging the mouse to control the deformation navigation area, the image can be changed into any shape

4. Press the confirm button (or press Cancel) to complete the operation

Operations in the navigation area:

Drag within the navigation area. Move

Free deformation:

Mouse drag to change size

Shift+mouse drag to adjust size with fixed aspect ratio

Ctrl+mouse drag Move and transform

Drag outside the navigation area to rotate

Change size:

Drag to change size

Shift+drag to fix the vertical and horizontal orientation Ratio resize

Free transformation:

Drag to perform free transformation

Free transformation:

Drag outside the navigation area to rotate

p>

★Layer mask:

Compatibility with Photoshop

Photoshop’s layer mask has the following characteristics:

1. All areas outside the layer are not displayed

2. All areas outside the layer are displayed

Currently, SAI only supports the content described in 1

In SAI, once the layer group's blending mode is set to Pass, the layer mask can no longer be used

In Photoshop, even if it is set to Pass, the layer mask cannot be used. Using layer masks

Create a new layer mask:

Click New Mask on the layers panel.

At this point the selection will be automatically converted into a layer mask.

Delete a layer mask:

After selecting the layer mask, click the trash can button on the layers panel, or drag the thumbnail of the layer mask

p>

Picture to the trash can.

Apply a layer group:

Apply a mask to a layer.

Merge layers and layer masks separately:

The layer and layer mask will be combined with the layer below.

Modification of layer mask:

Click the thumbnail of the mask on the layer panel to select the layer mask for modification. You can use pencil tools

, selection tools, etc.

Validity/invalidity of layer mask:

Switch whether the layer mask is valid

Link movement of layer mask:

< p> Specify whether to move at the same time as the parent layer

Layer surface texture:

Give the layer a texture like paper or watercolor painting.

Please pay attention to the following points when using:

1. When a layer with existing surface texture is combined with other layers, the texture will be loaded on the merged layer

p>

2. Only valid for ordinary layers

3. After saving in PSD format, the texture will be directly combined with the image

★The effect of watercolor realm:

Produce a watercolor effect on parts with drastic changes in opacity

Recommended usage:

1. First create a layer group as follows:

Figure The layer group uses paper texture (watercolor, drawing paper, etc.)

Layer 1 multiplication, watercolor realm

Layer 2

2. Use Use a pen or watercolor pen to draw on layer 1

Select the edge of the brush on the right

Set the brush concentration to about 100

Mix the background color and the opacity Set it above 50

Then, draw appropriately

3. Perform downward transfer and transfer layer 1 to layer 2.

After that, repeat steps 2 and 3.

Palette:

You can perform the following operations on the palette:

Drag a color outside the palette (Ctrl+Left, Right-click and drag)

to delete the color.

Ctrl+left-click to drag the color to move/increase

Right-click to display the menu (right-click again to close)

Right-click to drag the color to move/increase Delete

Brush tool palette:

Ability to create new user-defined brushes

Drag the object outside the panel (Ctrl + left and right drag keys) to delete

Ctrl + left-click to drag the object to move

Right-click to display the menu (right-click again to close)

Right-click to drag the object to move/copy

Double-click to open the settings window

Shortcut keys not shown on the menu:

Special operations:

Arrow keys to move the view

Space+drag to move the view

Ctrl+drag to move the layer/selection

Ctrl+Shift+drag to select the layer and move it

Ctrl+ Space+drag the rectangle to zoom the view

Ctrl+space+left-click to shrink the view

Ctrl+space+left-click to restore the view

[ Change the brush diameter Make it smaller

] Make the brush diameter larger

0~9 Switch brush concentration

- Switch foreground color and transparency

X Swap the foreground and background colors

Brush operations:

Shift+left-click dragging to connect a straight line between the last drawn position and the dragging start point

Ctrl+Alt+left-click drag to adjust the brush size

Alt+left-click the eyedropper tool

Operation of the rectangular selection tool:

Shift+left-drag Add to selection

Alt+left-click and drag to subtract from selection

Alt+left-click and drag to remove selection

Enter to confirm image deformation

Esc stops image deformation

Common operations of each tool:

Press a selection button to temporarily switch to the current tool

Ctrl+arrow key layer or selection Move in units of 1 pixel

Ctrl+Shift+arrow keys Move the layer or selection in units of 8 pixels

Supplement:

Use the layer below to crop Cut (Enable Clipping Layer Mask) option:

The layer with Clipping Layer Mask checked will be the layer below it (Clipping Layer Mask unchecked< /p>

) transparency (mask operation)

Assume the following situation:

Layer 1 clipping layer mask is turned off

Layer 2 Clipping layer mask is on

Layer 3 Clipping layer mask is on

Layer 4 Clipping layer mask is off

At this point, layers 1 and 4 will undergo normal composition.

Layers 2 and 3 will be masked with the transparency of layer 1

Compositing

Layer operations:

A series of settings on the left side of the layer panel The buttons are:

New Layer New Pen Layer New Layer Group Down Translate Down Merge

Clear Layer Delete Layer

Down The difference between transcribing and merging downwards is as follows:

Translating down: The selected layer is merged with the layer below it, and the original layer is cleared

Down Merge: The selected layer is merged with the layer below it, and the original layer is deleted

File browsing:

Generate thumbnail files in the following folder:

The data saved by restore/redo is stored in a temporary folder, and the program will generate multiple 16MB files.

Since the current version does not check the remaining disk space, therefore, For security reasons, please run the software in a disk with sufficient space

Convert line drawings into layers (line extraction):

Line drawings obtained from the scanner can be Execute the Layer | Convert Line Art to Layer (Convert Brightness to Transparency) option in the menu to extract the line art and generate a single line layer.

Due to the operation of converting brightness into transparency, this operation is only applicable to lines drawn on a white background

RGB(255,255,255)

draft.

Selection:

SAI’s selection has been specialized as a base layer in preparation for coloring

Please note that when it is already in the selection state, it cannot Painting is done with a paintbrush.

Once you try it, you will understand that after repeatedly painting the selection, the pixels at the edge of the selection will spread.

In order to color, it is recommended to use the selection as follows:

1. Draw line drawing (or read the bitmap file of line drawing)

2. Use automatic Use the selection tool (magic wand tool) to roughly select the area you want to color

3. Use the selection pen to adjust edge details

4. Create a new layer and execute the menu Edit|Fill

5. Set the protective transparency of the filled layer, create a new layer on top of the filled layer, and perform a clipping layer mask operation.

★Tips:

space: move the canvas

ALT+space: rotate the canvas

ALT: pick colors

TAB: Display the canvas in full screen

CTRL+E: Merge layers downward (but I think the function of merging images downward is easier to use.

It will also open a layer for you)

CTRL+F: Fill

CRTL: Move the layer

SHIFT: Used to draw straight lines