GIMP tools - BDA

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GIMP 8 Pencil sketch ______________________________________________________ 286 Adding colors to an old photo ________________________________________ 287 Highlight _________________________________________________________ 291 Aging a photo consistently ___________________________________________ 292 Stars ____________________________________________________________ 293 Border ___________________________________________________________ 295 Creating your own image ____________________________________________ 297 Reduced-image "business card" __________________________________________ 298 "Business card" from image part _________________________________________ 299 Combined "business card" ______________________________________________ 299 Age a photo __________________________________________________________ 302 Working with a selection _______________________________________________ 303 Crop the image ______________________________________________________________ 304 Copy, flip an image part _______________________________________________________ 304 Create a city-at-night image _____________________________________________ 305 Animated banner _____________________________________________________ 312 Banner ______________________________________________________________ 314 Text _____________________________________________________________ 317 Text along path _______________________________________________________ 317 Turning a text into an image _____________________________________________ 319 Filling text with patterns ________________________________________________ 320 3D text ______________________________________________________________ 322 Shining text __________________________________________________________ 324 Text in the ellipse border _______________________________________________ 326
9 Introduction Gimp 1 is a graphics editor to work on one or several images which are opened in separate windows. The programme does not open several images in one window or an image outside the window. Even though it allows you to work on several images, remember that each of them takes memory space. GIMP has a very efficient memory management system, but remember that smooth working on large images requires expanding the random-access memory. Many Adobe Photoshop users ask whether GIMP may be considered as an analogue of Adobe Photoshop. The answer is yes and no. On the one hand, they are two different programs with no common roots; on the other hand, certain GIMP tools are similar to Photoshop tools. Thus, it may be claimed that if you can work with Photoshop, you will fast pick up GIMP. If we compare a painting that is hanging on the wall with the image opened in GIMP, the hanging painting is a solid canvas, while the image opened in GIMP is a collection of canvases, where each of them is in a different layer. The most basic image may have only one layer. If there are several layers, they are stacked on each other. Layers may be transparent. If they are, you can see the image below it. Layers offer more options to create and modify images. They may be reversed, deleted, combined or temporarily hidden. Another term that is very frequently used in GIMP is a channel. Channels are the smallest components from which an image is constructed. Every channel in a layer has the exactly same size as the layer it belongs to and consequently consists of the same pixels (points). Every pixel 2 has a certain colour value, the exact meaning of which depends on the colour model. In the extract channel the value denotes how pixels are extracted, and in the Alpha channel the value denotes how transparent the corresponding pixels are. When you work on an image, very often you want a part of it to be affected. The selected area is framed by a moving dashed line (the so-called "marching ants"), a socalled path. It is important to select the part of the image correctly because the desired result is received applying the appropriate tool to the selection. GIMP has many tools to select and process the area quickly. GIMP has plug-ins, i.e. external programmes that may be integrated into the GIMP menu. By default, the standard GIMP has a certain set of plug-ins. They help realise any GIMP function. A plug-in is an individual programme written in the C programming language and integrated into GIMP. There is another way to extend GIMP, i.e. to use scripts written in 1 GIMP – the GNU Image Manipulation Program. GNU shows that the programme belongs to the OpenSource world. 2 Pixel is a single colour point consisting of three combined colours. In monochrome photos all three colour components are the same (their colour code is the same). Colour codes range from 0 to 255.
Page 1 and 2: STUDENT’S BOOK GIMP This work is
Page 3 and 4: 3 Foreground & Background Colors __
Page 5 and 6: 5 Copying and merging layers ______
Page 7: 7 Round corners ___________________
Page 11 and 12: 11 Environment This dialog lets you
Page 13 and 14: 13 Theme This section lets the user
Page 15 and 16: 15 If the Use “Dot for dot” by
Page 17 and 18: 17 space. If you can choose between
Page 19 and 20: 19 When you save a file in this for
Page 21 and 22: 21 If you need to change a folder o
Page 23 and 24: 23 There is no need to select more
Page 25 and 26: 25 Image Window GIMP lets you work
Page 27 and 28: 27 If the drop-down list does not i
Page 29 and 30: 29 Pixel is a single point in the i
Page 31 and 32: 31 RGB model Colours are represente
Page 33 and 34: 33 3) from the keyboard using an ac
Page 35 and 36: 35 1. Replace the current selection
Page 37 and 38: 37 In the selection, corners the po
Page 39 and 40: 39 Guides 18 - you can choose the t
Page 41 and 42: 41 We already know the first three
Page 43 and 44: 43 the mouse pointer inside the pat
Page 45 and 46: 45 Select the adjacent white areas
Page 47 and 48: 47 Foreground Select Tool lets you
Page 49 and 50: 49 context menu and select Alpha to
Page 51 and 52: 51 You have to clone some of the st
Page 53 and 54: 53 a) Standard Toolbox b) Tools ico
Page 55 and 56: 55 At first select one of the three
Page 57 and 58: 57 Moving Brightness and Contract s
Page 59 and 60:
59 Levels When working with a low d
Page 61 and 62:
61 Curves This tool changes the col
Page 63 and 64:
63 Reducing the value reduces the n
Page 65 and 66:
65 Select the operation from the Op
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67 2. Access the command through Co
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69 The dialog box has two groups of
Page 71 and 72:
71 a) Original image b) After the c
Page 73 and 74:
73 When you open an image and use t
Page 75 and 76:
75 14. Now try to blur the boundari
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77 Tool Name of the tool Shape of t
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79 Tool Name of the tool Shape of t
Page 81 and 82:
81 The dialog box displays the foll
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83 Scale allows you precisely to mo
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85 not added together. Activate Inc
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87 o o BG color fill - the fill col
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89 Thresholds = 15 Thresholds = 35
Page 91 and 92:
91 It should be mentioned that the
Page 93 and 94:
93 The Clone method mixes strokes w
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95 The Perspective Clone Tool has t
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97 Healing Select the Healing Tool
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99 9. Name the image, indicate the
Page 101 and 102:
101 The operations performed by thi
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103 Colour picking Pick a foregroun
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105 Type - to choose the effect of
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107 them, you see the overall image
Page 109 and 110:
109 layer is highlighted by a darke
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111 The layer is selected and moved
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113 Copying and merging layers Sele
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115 Mode Description appearance. Th
Page 117 and 118:
117 Name of the command Layer to Im
Page 119 and 120:
119 Disable the Quick Mask mode. In
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121 9. The selected lilies are copi
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123 2. Reverse the layers. In the L
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125 colour (ffffff) The top part of
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127 Font - you can select a font an
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129 There is only the Background la
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131 The text is hardly legible. Cha
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133 Thus, it is not recommended to
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135 Edit Mode allows you selecting
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137 In this mode you can fully edit
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139 Create a new name of the path i
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141 Close Tab - you can close the a
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143 Every point (pixel) is a combin
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145 Repeat steps 1-4. 5. Set the sl
Page 147 and 148:
147 Open the list of special comman
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149 In the middle of the dialog, yo
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151 Press the left mouse button and
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153 You have just performed four ac
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155 Below you can find lists where
Page 157 and 158:
157 You can set a colour using slid
Page 159 and 160:
159 In the Change Foreground Color
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161 Button Name Description o angle
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163 5. Create a copy of the petal a
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165 1. Open a website where you fou
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167 Button Name Description New gra
Page 169 and 170:
169 Click on the colour and it is a
Page 171 and 172:
171 Buffers It is an exchange buffe
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173 At the bottom of the tab dialog
Page 175 and 176:
175 Button Name Description Name -
Page 177 and 178:
177 Error console This dialog displ
Page 179 and 180:
179 It is applied to cover unwanted
Page 181 and 182:
181 a) original image b) image afte
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183 2. Apply FiltersBlur Pixelize c
Page 185 and 186:
185 Motion blur The filter creates
Page 187 and 188:
187 B. 1. Select FileOpen command t
Page 189 and 190:
189 Enhance filters The filters of
Page 191 and 192:
191 The filter is designed to remov
Page 193 and 194:
193 Red eye removal This filter doe
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195 Filter name Short description W
Page 197 and 198:
197 Filter name Short description C
Page 199 and 200:
199 A. c) Opacity - 100; Curl Locat
Page 201 and 202:
201 3. Set the following parameters
Page 203 and 204:
203 The colour of battens depends o
Page 205 and 206:
205 a) original image b) after the
Page 207 and 208:
207 How to use this filter? 1. Open
Page 209 and 210:
209 Curve bend The filter distorts
Page 211 and 212:
Page 213 and 214:
213 Apply Lens - create an effect o
Page 215 and 216:
215 o Center - set the coordinates
Page 217 and 218:
217 Center of Nova - choose the loc
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Page 221 and 222:
221 To apply the filter to a word,
Page 223 and 224:
223 The slider of the Value scale i
Page 225 and 226:
225 If checked, the Independent RGB
Page 227 and 228:
227 1. Open an image; 2. Choose Fil
Page 229 and 230:
229 Enter values to the matrix boxe
Page 231 and 232:
231 1. Open image oil_1.jpg; 2. App
Page 233 and 234:
233 TASK. Open image can_1.jpg and
Page 235 and 236:
235 Cubism This filter modifies the
Page 237 and 238:
237 c) 1. Open image kub_1.jpg; 2.
Page 239 and 240:
239 a) original image b) image afte
Page 241 and 242:
241 a) original image b) after the
Page 243 and 244:
243 Check the Add drop-shadow check
Page 245 and 246:
245 The filter adds a fuzzy, blurre
Page 247 and 248:
247 Delta value on color - make the
Page 249 and 250:
249 If checked, the Work on copy ch
Page 251 and 252:
251 Font color - yellow (HTML notat
Page 253 and 254:
253 Filter name Designation Render
Page 255 and 256:
255 The Number of Titles group-box
Page 257 and 258:
257 The Width parameter sets the wi
Page 259 and 260:
259 The filter covers all layers or
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261 5. Apply FiltersRenderLava comm
Page 263 and 264:
263 Circuit The filter create appli
Page 265 and 266:
265 4. Select the Bucket Fill Tool
Page 267 and 268:
267 24. Paint a mouth. To open a ne
Page 269 and 270:
269 3. As a drop-down list of file
Page 271 and 272:
271 RGB RGB is the default color mo
Page 273 and 274:
273 By means of the color model sel
Page 275 and 276:
275 If the working window (canvas)
Page 277 and 278:
277 Apply ImageGuidesNew Guide (by
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279 ImageGuidesNew Guides from Sele
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281 one of the selected units becau
Page 283 and 284:
283 2. Press Smurge Tool . Remove t
Page 285 and 286:
285 3. To make it easier to retouch
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287 6. Now invert colors. Apply Col
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289 11. Now, we will retouch the ey
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291 a) objects selected in the mask
Page 293 and 294:
293 6. Move the Background layer up
Page 295 and 296:
295 a) before the filter is applied
Page 297 and 298:
297 7.2. Apply Filters ArtisticWeav
Page 299 and 300:
299 Before designing such a "busine
Page 301 and 302:
301 6.2. Apply EditCopy command; 6.
Page 303 and 304:
303 3. Go back to RGB color model.
Page 305 and 306:
305 7. Press the Flip Tool. Select
Page 307 and 308:
307 8. Draw the luminous windows fo
Page 309 and 310:
309 15. We will now use the filter
Page 311 and 312:
311 24.1. Drag the corners of the s
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313 12. Enter text TALLINN KOOLITUS
Page 315 and 316:
315 2.1. Enter the banner text to t
Page 317 and 318:
317 23. Choose Filters Light and Sh
Page 319 and 320:
319 13. In the Paths dialog, click
Page 321 and 322:
321 3. Make sure that the options d
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323 9. Change the layer properties
Page 325 and 326:
325 5.3. Press OK; 6. In the Layers
Page 327 and 328:
327 4. Select the Blend Tool and ad
Page 329 and 330:
329 23. We may apply various filter
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