Adobe Premiere Pro CS4 Manual do Utilizador descarregar pdf (Página 281)

275

USING ADOBE PREMIERE PRO CS4

Effects and transitions

Last updated 11/6/2011

Color Dodge The result color is a lightening of the source color to reflect the underlying layer color by decreasing the

contrast. If the source color is pure black, the result color is the underlying color.

Linear Dodge (Add) The result color is a lightening of the source color to reflect the underlying color by increasing the

brightness. If the source color is pure black, the result color is the underlying color.

Lighter Color Each result pixel is the color of lighter of the source color value and the corresponding underlying color

value. Lighter Color is similar to Lighten, but Lighter Color does not operate on individual color channels.

Overlay Multiplies or screens the input color channel values, depending on whether or not the underlying color is

lighter than 50% gray. The result preserves highlights and shadows in the underlying layer.

Soft Light Darkens or lightens the color channel values of the underlying layer, depending on the source color. The

result is similar to shining a diffused spotlight on the underlying layer. For each color channel value, if the source color

is lighter than 50% gray, the result color is lighter than the underlying color, as if dodged. If the source color is darker

than 50% gray, the result color is darker than the underlying color, as if burned. A layer with pure black or white

becomes markedly darker or lighter, but does not become pure black or white.

Hard Light Multiplies or screens the input color channel value, depending on the original source color. The result is

similar to shining a harsh spotlight on the layer. For each color channel value, if the underlying color is lighter than

50% gray, the layer lightens as if it were screened. If the underlying color is darker than 50% gray, the layer darkens as

if it were multiplied. This mode is useful for creating the appearance of shadows on a layer.

Vivid Light Burns or dodges the colors by increasing or decreasing the contrast, depending on the underlying color. If

the underlying color is lighter than 50% gray, the layer is lightened because the contrast is decreased. If the underlying

color is darker than 50% gray, the layer is darkened because the contrast is increased.

Linear Light Burns or dodges the colors by decreasing or increasing the brightness, depending on the underlying color.

If the underlying color is lighter than 50% gray, the layer is lightened because the brightness is increased. If the

underlying color is darker than 50% gray, the layer is darkened because the brightness is decreased.

Pin Light Replaces the colors, depending on the underlying color. If the underlying color is lighter than 50% gray,

pixels darker than the underlying color are replaced, and pixels lighter than the underlying color do not change. If the

underlying color is darker than 50% gray, pixels lighter than the underlying color are replaced, and pixels darker than

the underlying color do not change.

Hard Mix Enhances the contrast of the underlying layer that is visible beneath a mask on the source layer. The mask

size determines the contrasted area; the inverted source layer determines the center of the contrasted area.

Difference For each color channel, subtracts the darker of the input values from the lighter. Painting with white inverts

the backdrop color; painting with black produces no change.

If you have two layers with an identical visual element that you want to align, place one layer on top of the other and

set the blending mode of the top layer to Difference. Then, you can move one layer or the other until the pixels of the

visual element that you want to line up are all black—meaning that the differences between the pixels are zero and

therefore the elements are stacked exactly on top of one another.

Exclusion Creates a result similar to but lower in contrast than the Difference mode. If the source color is white, the

result color is the complement of the underlying color. If the source color is black, the result color is the underlying

color.

Hue Result color has luminosity and saturation of the underlying color, and the hue of the source color.

Saturation Result color has luminosity and hue of the underlying color, and the saturation of the source color.

Color Result color has luminosity of the underlying color, and hue and saturation of the source color. This blending

mode preserves the gray levels in the underlying color. This blending mode is useful for coloring grayscale images and

for tinting color images.

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