8.37. Záměna barev
| 8. The „Colors“ Menu |

### 8.37. Záměna barev

#### 8.37.1. Overview

Obrázek 16.195. „Color Exchange“ filter example

Original image

Filter applied with From color RGB (122, 149, 199), To color RGB (255, 0, 0), Red threshold 0.106, Green threshold 0.100, Blue threshold 0.190.

Tento filtr lze vyvolat z nabídky okna obrázku volbou Filtry → Barvy → Mapa → Zaměnit barvy.

#### 8.37.2. Activating the Filter

This filter is found in the main menu under Colors → Map → Color Exchange.

#### 8.37.3. Options

Obrázek 16.196. The „Color Exchange“ Dialog

Presets

  „Presets“ are a common feature for several Colors commands. You can find its description in 8.1.1 – „Colors Common Features“.

Z barvy

  This is the color you want to replace. To choose a color you can either use the color button to open the Color Picker dialog, or you can use the Color Picker tool to pick a color from your image.

Na barvu

  This is the new color you want to use. To choose a color you can either use the color button to open the Color Picker dialog, or you can use the Color Picker tool to pick a color from your image.

Red Threshold, Green Threshold, Blue Threshold

  These sliders allow you to set how sensitive the red, green and blue components are to differences from the From color. The higher the threshold, the more pixels will be affected.

Blending Options, Preview, Merge filter, Split view

  These are common features described in 8.1.1 – „Colors Common Features“.

8.36. Filtry |  | 8.38. Rotace barevné mapy

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