Tutorial: Figure out how to mix layers

1. Normal Mode

The default mode, which displays the pixels of a mixed-color layer (butterfly layer) without any layer blending. This means that the base color layer (the background layer) has no effect on the butterfly layer.

2. Dissolution (dissolve)

The image of the mixed color layer is superimposed on the image of the base layer with scattered dots, which has no effect on the color of the image and is related to the opacity of the image. When the image is filled and the opacity is 100%, the edge effect is most obvious, like the butterfly layer below, the butterfly's Edge dot pixel effect is more obvious.

　3. Darken (Darken)

In this mode, compare the color brightness values in the corresponding area RGB channels for the two layers that are mixed, and in the mixed layer, the pixels darker than the base color layer are preserved, and the bright pixels are replaced with the darker pixels in the base color layer. The total color gray level decreases, resulting in darkening effect. The darker rust in the base color layer in the corresponding region is displayed in the following figure.

　4. Multiply bottom (Multiply)

Multiply the gray level of the pixel color of the top and bottom layers. To obtain a lower gray level color and become a composite color, the effect of layer synthesis is simply said to be low gray-scale pixel appearance and high gray level does not appear (that is, dark, light does not occur, black gray level is 0, white gray levels of 255). In the following figure, the lighter color of the butterfly layer appears in the darker color of the next layer.

　　5. Color deepen (colour Burn)

When using this mode, the color value of the darker layer is added, and the brighter the color, the finer the effect. Let the underlying color darken, a bit like a multiply, but the difference is that it increases the contrast according to the pixel color superimposed. and white mixed without effect.

　6. Linear deepening (Linear Burn)

As with the color deepening mode, the linear deepening mode darkens the background to reflect the blend color by lowering the brightness. and white mixed without effect.

　7. Dark (darker color)

Dark Blending mode is better understood. She calculates the value of all the channels of the blend color and the base colors, and then selects the smaller value as the result color. Therefore, the result color is the same as a blend or base color, but produces a different colour. The white and base colors are mixed with the base color, and black is mixed with the base color. In dark mode, the blend color and the base color values are fixed, and when we invert the position, the resulting color is unchanged.

　　8. Lighten (lighten)

In this mode, in contrast to the dimming mode, the color brightness values in the corresponding region RGB channel of the mixed two layers are compared, and the higher pixel points are mixed colors, which increases the brightness of the total color grayscale, resulting in brighter effects. Synthetic images in black have no effect and are still white when used in white.

9. Color filter (screen)

In contrast to the multiply-stacked mode, it multiplies the gray level of the pixel color of the top and bottom layers. To obtain a higher grayscale color and become a composite color, the effect of layer synthesis is simply that the high gray level of the pixel appearance and low gray scale does not appear (that is, light-colored appearance, Dark does not occur), the resulting image is brighter.

　10. Color Dodge (colour Dodge)

When you use this mode, the color value of the layer is highlighted, and the darker the color, the finer the effect. In contrast to the color depth, by lowering the contrast, highlight the underlying color to reflect the blend color. Mixing with black has no effect.

　　11. Linear Dodge (Linear Dodge)

Similar to color Dodge mode. But by increasing the brightness to make the underlying color brighter, you can get a mixed color. Mixing with black has no effect.

　　12. Light color (lighter color)

By calculating the sum of the values of the blend color and all channels of the base color, the value is selected as the result color. Therefore, the result color can only be selected in the blend color and the base color, and does not produce a third colour. Just the opposite of dark mode.

　13. Overlay (Overlay)

Superimposed mode is more complex, it is based on the color of the base layer to determine whether the color of the mixed layer of pixels is a multiply or filter color, in general, the change is the middle hue, the high color and dark areas are basically unchanged. Whether pixels are mixed in a Multiply (or screen) blend depends on the color of the base layer. The color will be mixed, but the highlight of the color of the base layer and the brightness details of the shaded part will be preserved.

　14. Soft Light (Soft Light)

Adds a blend color layer to the base layer as a soft light, and when the base layer's gray level tends to be high or low, the gradient of the layer's composition tends to the middle of the gray gradient, which results in a softer color synthesis. The result is that the area of the image is brighter, the dark area becomes darker, and the image contrast increases similar to the effect of the soft light illumination image. Dimming or brightening the color of the screen depends on the color information of the mixed layer. The effect is similar to a spotlight that scatters a light on the image. If the blend layer color (light source) is brighter than 50% gray, the base layer is illuminated (dimmed). If the blend layer color (light source) brightness is less than 50% gray, the base color layer darkens, as if burnt.

　15. Strong light (Hard Light)

If the gray level of the color in the two layers is biased towards a low gray scale, the effect is similar to the positive stack pattern, and is similar to the color filter mode when it is biased toward high gray levels. The effect of intermediate gradient is not obvious. Multiply or filter to mix the base color, depending on the blend layer color. The effect is like applying a strong spotlight to the image. If the blend layer color (light source) is brighter than 50% gray, the image is illuminated, and the blending mode is similar to the color filter (screen) mode. Conversely, if the brightness is less than 50% gray, the image is dimmed, and the blending mode is similar to the multiply-Multiply mode. This pattern adds a shadow to the image. If you mix it with black or white, you will get black or white.

　　16. Brightness (Vivid Light)

Adjust the contrast to deepen or fade the color, depending on the color distribution of the blend layer image. If the blend layer color (light source) is brighter than 50% gray, the image is lowered and lightened, and if the blend layer color (light source) is less than 50% gray, the image is enhanced and dimmed.

17. Linear Light (Linear Light)

Linear light increases or decreases color by reducing or increasing the brightness. Depending on the value of the blend color. If the mixing layer color (light source) brightness is higher than the neutral gray (50% gray), the increase in the brightness of the method to make the screen brighter, in contrast to reduce the brightness of the method to make the screen darkened.

　　18. Point Light (Pin Light)

Point Light Mode She replaces the corresponding color with the color value of the blend color. If the blend layer color (light source) brightness is higher than 50% gray, pixels darker than the blend layer color will be replaced, and the pixels that are lighter are not changed. If the blend layer color (light source) brightness is less than 50% gray, pixels lighter than the blend layer color are replaced, and darker pixels do not change.

　　19. Real-Color mixing (Hard mix)

A solid blend is the value of the red, green, and blue channels in the blend color, added to the RGB value of the base color. The values of the R, G, and B channels of the resulting color can only be 255 or 0. Therefore, the structure of color only eight possible: red, green, blue, yellow, cyan, magenta, white, black. Look at this to see that the result color is very pure color.

　20. Difference Value (difference)

Each value in the RGB value of the blending layer is compared, with the high value minus the low value as the synthesized color. So this pattern is also used frequently, white and any color mixed to get reversed-phase color, black and any color mix color unchanged.

21. Exclusion (Exclusion)

The exclusion of the difference is similar, except that the result-color contrast of the exclusion mode is not strong in the difference mode. The white and the base color are blended to obtain a complementary color, and the black and the base color are blended.

22. Minus (Subtract)

Minus the pattern is to view the color information for each channel and subtract the blend color from the base color. If a negative number is present, it is zero. The color is mixed with the base colors to get black; White is mixed with the base color to obtain the black;

　　23. Division (Divide)

The purpose of the partitioning pattern is to view the color information for each channel and to split the blend color with the base color. The base value is greater than or equal to the blend color value, and the color mixed out is white. The base value is less than the blend color, and the resulting color is darker than the base color. Therefore the result color contrast is very strong. The white is mixed with the base color to get the base color, and the black and the base color are white.

　　24. Hue (Hue)

When synthesized, the hue value of the base image is replaced with the hue value of the mixed layer, while the saturation and brightness are unchanged. The parameters that determine which color to generate include: the lightness and saturation of the base color, and the hue of the blend layer color. (The hue, saturation, lightness is also a color mode, also known as: HSB mode.) )

25. Saturation (saturation)

Use the saturation of the mixed layer to replace the saturation of the base image, and the hue value and brightness are unchanged. The parameters that determine which color to generate include: the lightness and hue of the base color, and the saturation of the blend layer color. Saturation only controls the brightness of the color, so the blending color only changes the brightness of the picture, and cannot affect the color.

　26. Colors (color)

Replaces the hue value and saturation of the base image with the hue value of the blended layer and the saturation, while the brightness remains unchanged. The parameters that determine which color to generate include: the lightness of the base color, the hue and saturation of the blend layer color. In this mode, the blending color controls the color of the entire screen, which is the perfect way to paint black and white pictures, because this mode preserves the brightness of the base color image, which is the Black-and-white picture.

　27. Lightness (luminosity)

Replaces the brightness value of the underlying image with the brightness value of the current layer, while the hue value and saturation are unchanged. The parameters that determine which color to generate include: the hue and saturation of the base color, and the lightness of the blend layer color. In contrast to the color mode, the blend color picture can only affect the intensity of the picture, and cannot affect the color of the base colors, except black, white, and gray.

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