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Photoshop

Photoshop. Teppo Räisänen LIIKE/OAMK 2011. General Information. Photoshop is an advanced image editing tool Web Graphics Printed material UI is based on menus/commands floatable tool windows. Tools. Stages of use of tools Choose the appropriate tool Make the necessary adjustments

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Photoshop

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  1. Photoshop Teppo Räisänen LIIKE/OAMK 2011

  2. General Information • Photoshop is an advanced image editing tool • Web Graphics • Printed material • UI is based on • menus/commands • floatable tool windows

  3. Tools • Stages of use of tools • Choose the appropriate tool • Make the necessary adjustments • Point the mouse into the image and perform the operation with the tool

  4. History • Previous commands are shown in the history window • Drag the operation into the recycle bin to cancel the operation • Otherwise undo/redo and step backwards/forward can be used

  5. Opening a Image • File > Open • Note: ”All Formats” shows also the formats not compatible with Photoshop • Several images can be opened at the same time to be edited within Photoshop

  6. Creating a new image • Steps: • File > New • (use presets) • Adjust Height & Width • Adjust resolution (72 ppi for Web graphics) • Adjust color model (RGB for Web graphics)

  7. Saving an Image • Photoshop’s native format is .psd • .psd stores all the information about the image => Use .psd for work copies • Finally for Web use ”Save for Web” and choose between .jpeg/.gif/.png

  8. Colors • The tools window shows the current • Foreground color • Background color • To change colors use • swatches • clicking on squares from tools window • colors window

  9. Brush/Pencil tool • For freeform drawing • Options: • Shape and size • Opacity

  10. Paint Bucket • Fills the selected area with color • Gradient Tool fills the area with the selected gradient • Note: adjust the scope of the gradient by dragging the mouse

  11. Crop Tool • For cropping the image into a selected area • The area is adjusted by dragging with mouse • Finally, click on the v-button to perform the cropping

  12. Brightness and Contrast • For adjusting the general look of the image • Also subareas of an image can be modified • Image > Adjust > Brightness/Contrast

  13. Histogamm • For more sophisticated adjustments • Image > Adjust > Levels • Adjust all the rgb components or select a single channel • Basic adjustment includes removing the empty areas from the histogamm by dragging the arrowheads

  14. Histogamm

  15. Selections • Selections are essential when editing areas of an image • Options: • Marquee Tool • Lasso Tool • Magic Wand • Selections are performed by dragging with the mouse or clicking

  16. Selections • Selections can be • added to existing selections • transformed • reduced from existing selections • There are several settings connected to the selections

  17. Quick Mask • Tool for sophisticated selections within an image • When Quick Mask Mode is on the eraser and pencil tools can be used for modifying the selections • Note: use zooming to pick up small areas of the image

  18. Clone Stamp Tool • For cloning pixels from one area of the image to another • Alt-key + left click is used for defining the source of pixel copying • The cross symbol on the image will indicate the source area during copying

  19. Layers • Essential feature of Photoshop • = Transparent levels of which sum is the actual image • Layers are stored ONLY into .psd file format • Layers can be hidden/unhidden from the layers window

  20. Layers

  21. Background • Layers are placed on top of the background • For some operations the background needs to be converted into a layer • double-click on the background on the layers window • rename the background if necessary

  22. Opacity • Opacity of a layer can be adjusted by dragging a slider in the layers window • 100 % = the underneath layers are not visible at all

  23. Layer Effects • Several effects can be easily attached to an individual layer • Steps: • Activate the layer by clicking on it • Layer > Layer Style > (adjust effects) • choose OK • Effects are can later be easily removed

  24. Adjustment Layers • For adjusting e.g. brightness without actually affecting on the layers’ contents • Steps: • Layer > New Adjustment Layer • Make the adjustments and press OK • Adjustment layer will appear in the layers window

  25. Type Tool • For adding text into the image • A layer will be automatically created for the text part • For some edits the layer may need to be rasterized • The text contents can be later modified by activating the text layer from the layers window

  26. Filters • For adding effects into the layers • Artistic • Blurring / sharpening • Lightning effects • …

  27. Transform • For • Scaling • Rotating • Free Transform • of the layer contents • Use dragging to perform the operations and finally v-button

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