Contents in Detail Introduction ..................... xv 1.5 Exercises.................. 24 ThisBook.................. xv 2 Photograph Retouching ....... 25 TheAuthors................ xvi 2.1 Tutorial: Enhancing Badly Taken Production Notes . xvii Photographs . 25 Conventions . xvii Cropping, Straightening, and Acknowledgments . xvii Restoring Perspective . 25 Correcting Exposure . 26 Part I Learning GIMP Correcting the Color Balance . 28 1 Getting Started .............. 3 Removing an Object . 29 1.1 GIMP Basics . 3 Improving Sharpness . 30 The Screen Layout . 3 Removing Red Eye . 30 Dockable Dialogs . 4 2.2 Global Transformations . 32 TheToolbox................ 6 Resizing an Image . 32 The Single-Window Interface . 6 Shearing an Image . 33 1.2 Image Handling Basics . 8 Changing Brightness, Contrast, and Opening an Image . 8 Levels............... 34 Maximizing an Image . 9 Adjusting Colors . 36 Scanning.................. 10 2.3 Local Transformations . 38 Image Window Menus . 11 Making a Selection . 38 Zooming.................. 13 Modifying Sharpness . 41 Saving an Image . 13 Modifying Brightness . 42 1.3 Working with Images . 15 Using the Clone Tool . 45 Resizing an Image . 15 Perspective Cloning . 46 Cropping an Image . 15 More Correction Methods for Red Eye 47 Adding a Frame with Filters . 17 Changing the Sky of a Landscape . 49 UsingLayers................ 18 2.4 Retouching a Scanned Photograph . 50 Drawing in GIMP . 19 Correcting Colors . 50 Printing with GIMP . 20 Correcting Scratches and Spots . 53 1.4 Using a Tablet . 21 Restoring Very Old Photographs . 54 Installing a Tablet . 22 2.5 Advanced Techniques . 55 The Tablet Mouse and Stylus . 22 Making a Photograph Look Older . 55 Working with a Tablet in GIMP . 23 Improving a Portrait . 57 The Book of GIMP ©2013, Olivier Lecarme and Karine Delvare gimp_FINAL_FINAL_pourPDF.indd 7 10/16/2012 11:45:48 AM viii Contents in Detail Contents in Detail 0 ix Using Multiple Captures of the Using the Embossing Filters . 102 The Move Path Tool . 156 Part II Reference Same Scene . 58 More Ways to Create Textures . 105 Binocular Animation . 156 9 The GIMP Interface .......... 195 2.6 Exercises.................. 60 4.3 Logos .................... 108 Improving the Binocular Animation . 158 9.1 The Main Windows . 195 3 Drawing and Illustration ...... 61 TheTextTool................ 108 6.5 Exercises.................. 160 Adding Relief . 108 Multi-Window Mode . 195 3.1 Tutorial: Colorizing a Drawing . 61 Proper Shade vs. Cast Shadow . 109 7 Image Preprocessing ......... 161 Single-Window Mode . 197 The Black and White Drawing . 61 Applying a Texture . 111 7.1 Tutorial: Extracting Information Docking Windows and Dockable Using Layers to Keep Outlines Visible 61 4.4 Exercises.................. 113 fromaPicture............... 161 Dialogs.............. 198 Defining Objects and Base Colors . 63 Dynamics Extension . 161 The Image Window . 202 Coloring the Mushrooms . 64 5 Composite Photography ...... 115 Histogram Modification . 163 9.2 Fundamental GIMP Commands . 203 Shading................... 65 5.1 Tutorial: Building a Composite Noise Reduction . 164 Closing Windows and Quitting GIMP 203 Finishing Touches . 67 Portrait ................... 115 Edge Detection . 164 Working with Multiple Images . 204 3.2 Painting and Drawing . 68 Taking Features from Different 7.2 The Principles of Preprocessing . 165 Common Tab Menu Options . 206 Brushes................... 68 Portraits.............. 116 9.3 Working with the GIMP Interface . 207 Subjective Aspects of Preprocessing 165 The Pencil Tool . 69 Smoothing Transitions . 118 Menus.................... 207 Histograms and Decomposition into The Paintbrush Tool . 71 5.2 Selections, Overlaying, and Keyboard Shortcuts . 207 Channels............. 166 The Airbrush Tool . 72 Blending Modes . 119 Keyboard Tips . 209 Extracting Information through TheInkTool................ 73 Masks and Selections . 119 Clicking and Dragging . 209 Dynamics Extension . 168 3.3 Filling an Area . 73 Overlaying Images . 121 9.4 Creating, Loading, Saving, and 7.3 Filtering................... 171 The Bucket Fill Tool . 73 Using Blending Modes . 123 Exporting Files . 210 Gradients.................. 74 5.3 Building a Panorama . 127 The Principles of Filtering . 171 Creating a New Image . 210 Patterns................... 75 Taking the Pictures . 127 Characteristic Matrices . 172 Loading a Web Page as an Image . 211 3.4 Dodging, Burning, and Smudging . 75 Superimposing the Pictures . 128 Comparing the Built-in Filters . 173 Loading an Image from a File . 212 The Dodge/Burn Tool . 75 Touching Up the Panorama . 129 7.4 Edge Detection . 175 Saving an Image . 214 The Smudge Tool . 76 The Pandora Plug-in . 131 The Principles of Edge Detection . 175 Exporting an Image . 215 3.5 The Digital Painting Process . 78 5.4 Image Overlaying . 131 Edge Detection Methods . 176 9.5 Undoing................... 217 Composition . 78 Digital Collage . 131 7.5 Exercises.................. 179 9.6 The GIMP Help System . 219 Sky and Clouds . 79 Self-Compositing . 134 8 Designing a Website ......... 181 Mountains................. 80 A Composite Photography Project . 136 10 Display .................... 221 Hills...................... 81 5.5 Exercises.................. 138 8.1 Tutorial: Laying Out a Website . 181 10.1 Rulers and Units . 221 Grassland ................. 81 6 Animation .................. 139 Planning .................. 181 10.2 Guides.................... 223 Trees..................... 82 Layout.................... 182 10.3 Grids..................... 225 6.1 Tutorial: Animated Text . 139 River..................... 84 AddingColor............... 182 10.4 Zoom..................... 226 Method One: Frame by Frame . 139 3.6 Drawing Shapes . 85 Choosing a Color Palette . 183 10.5 Using Multiple Views . 229 Method Two: Filtering All Layers . 140 Drawing a Straight Line . 85 8.2 Fixed- and Variable-Width Designs 185 11 Layers ..................... 231 Drawing Ellipses and Rectangles . 86 Method Three: Moving Along a Path 142 6.2 Building an Animated GIF by Hand 144 8.3 Web Design Tools . 186 11.1 The Layers Dialog . 231 Drawing a Complex Shape . 87 ImageMap................. 186 3.7 Exercises.................. 88 Drawing a Rainbow Daisy . 145 Components of the Layers Dialog . 231 Zooming Toward the Viewer . 146 Semi-Flatten . 189 A Layer Entry in the Layers Dialog . 233 4 Logos and Textures .......... 89 Adding Rain to a Landscape . 148 Slice..................... 189 Keyboard Shortcuts in the Layers 4.1 Tutorial: Making a Luggage Tag . 89 Adding Snow to a Landscape . 150 8.4 Optimizing Images for the Web . 190 Dialog............... 234 4.2 Textures................... 92 6.3 Using Animation Tools . 151 JPEG..................... 191 Uses of the Layers Dialog . 234 Tiling..................... 93 Interactive Deformation . 151 GIF...................... 191 11.2 The Layers Menu . 234 Creating Textures . 95 Animating a Still Image . 151 PNG..................... 191 11.3 Layer Groups . 236 Using the Blend Tool . 96 Morphing.................. 153 Transparency . 191 11.4 The Image: Layer Menu . 238 Using the Noise Filters . 101 6.4 UsingGAP................. 155 8.5 Exercises.................. 192 The Stack Menu . 239 The Book of GIMP ©2013, Olivier Lecarme and Karine Delvare gimp_FINAL_FINAL_pourPDF.indd 8 10/16/2012 11:45:49 AM viii Contents in Detail Contents in Detail 0 ix Using Multiple Captures of the Using the Embossing Filters . 102 The Move Path Tool . 156 Part II Reference Same Scene . 58 More Ways to Create Textures . 105 Binocular Animation . 156 9 The GIMP Interface .......... 195 2.6 Exercises.................. 60 4.3 Logos .................... 108 Improving the Binocular Animation . 158 9.1 The Main Windows . 195 3 Drawing and Illustration ...... 61 TheTextTool................ 108 6.5 Exercises.................. 160 Adding Relief . 108 Multi-Window Mode . 195 3.1 Tutorial: Colorizing a Drawing . 61 Proper Shade vs. Cast Shadow . 109 7 Image Preprocessing ......... 161 Single-Window Mode . 197 The Black and White Drawing . 61 Applying a Texture . 111 7.1 Tutorial: Extracting Information Docking Windows and Dockable Using Layers to Keep Outlines Visible 61 4.4 Exercises.................. 113 fromaPicture............... 161 Dialogs.............. 198 Defining Objects and Base Colors . 63 Dynamics Extension . 161 The Image Window . 202 Coloring the Mushrooms . 64 5 Composite Photography ...... 115 Histogram Modification . 163 9.2 Fundamental GIMP Commands . 203 Shading................... 65 5.1 Tutorial: Building a Composite Noise Reduction . 164 Closing Windows and Quitting GIMP 203 Finishing Touches . 67 Portrait ................... 115 Edge Detection . 164 Working with Multiple Images . 204 3.2 Painting and Drawing . 68 Taking Features from Different 7.2 The Principles of Preprocessing . 165 Common Tab Menu Options . 206 Brushes................... 68 Portraits.............. 116 9.3 Working with the GIMP Interface . 207 Subjective Aspects of Preprocessing 165 The Pencil Tool . 69 Smoothing Transitions . 118 Menus.................... 207 Histograms and Decomposition into The Paintbrush Tool . 71 5.2 Selections, Overlaying, and Keyboard Shortcuts . 207 Channels............. 166 The Airbrush Tool . 72 Blending Modes . 119 Keyboard Tips . 209 Extracting Information through TheInkTool................ 73 Masks and Selections . 119 Clicking and Dragging . 209 Dynamics Extension . 168 3.3 Filling an Area . 73 Overlaying Images . 121 9.4 Creating, Loading, Saving, and 7.3 Filtering................... 171 The Bucket Fill Tool