of 421 G e n e r a t e d b y d o c b o o k 2 o d f GIMP User Manual Authors and Contributors GNU Image Manipulation Program Generated by docbook2odf Page 2 of 421 G e n e r a t e d b y d Chapter Introduction GNU Image Manipulation Program Generated by docbook2odf Page 3 of 421 G e n e r a t e d b y d o c b o o k 2 o d f Welcome to The GIMP The GIMP is a multiplatform photo manipulation MPEG, PS, PDF, PCX, GNU Image Manipulation Program Generated by docbook2odf Page 4 of 421 G e n e r a t e d b y d o c b o o k 2 o d f BMP and many others • Selection tools including rectangle

´Cedric Gémy, Julien Hardelin, Raymond Ostertag, Mel Boyce, Daniel Egger, Róman Joost, Oliver Ellis Graphics, Stylesheets Jakub Steiner, Róman Joost, Daniel Egger Build System, Technical Contributions Sven Henrik Brix Andersen, Daniel Egger, Thomas Schrai- tle, Chris Hübsch, Axel Wernicke Project Maintenance Róman Joost, Daniel Egger GNU Image Manipulation Program 21 / 653 Part I Getting started GNU Image particular, you can add any or all of the Color Tools to the Toolbox if you wish to. • Histogram overlays R, G and B histograms on the Value histogram, and calculates the histogram only for the contents of the

Montero (Spanish) , Milo Casagrande (Italian) , Piotr Drąg (Polish) , Rafael Ferreira (Brasilian) , Róman Joost (German, En- glish) , Seong-ho Cho (Korean) , SimaMoto,RyōTa (����) (Japanese) , Sven Claussner Stylesheets Jakub Steiner , Øyvind Kolås Build System, Technical Contributions Kenneth Nielsen , Róman Joost , Axel Wernicke , Nickolay V. Shmyrev , Daniel Egger , Sven Neumann , Michael Natterer (mitch) correct use of GIMP’s Undo functions. If the code is not correct, a plugin can potentially corrupt the Undo History, so that not only the plugin but also previous actions can no longer properly be undone. The

130 The Blend Tool Or Gradient Fill 131 The Pencil And Paintbrush 137 The G imp Us e r’s Man u al v i i Ta b l e O f C o n ten ts Brush Selection 138 The Eraser Tool 139 The Posterize 276 Threshold 276 Color Balance 278 Brightness-Contrast 279 The G imp Us e r’s Man u al i x Ta b l e O f C o n ten ts Hue-Saturation 280 Curves 282 Levels 284 Colormap Rotation 422 Filter Pack 426 FS-Dither 429 Gradient Map 430 The G imp Us e r’s Man u al x i Ta b l e O f C o n ten ts Hot 431 Max RGB 432 Quantize 432 RGB Displace

B y - S a r o j J u n g h a r e Page 1 BCA III YEAR GIMP NOTES UNIT-IV GIMP NOTES UNIT IV D e v e l o p e d B y - S a r o j J u n n g h a r e Page 2 1.2. Raster Image Formats There are two main kinds of graphics: raster graphics and vector graphics. Raster (or bitmap) graphics is to represent graphics into small graphics and raster graphics GIMP NOTES UNIT IV D e v e l o p e d B y - S a r o j J u n g h a r e Page 3 1.3. Basic Properties of Raster Images Extension Software XCF GIMP

Toolbox Tools R Rect Select E Ellipse Select F Free Select Z Fuzzy Select Shift O Select By Color I Scissors B Paths O Color Picker M Move Shift C Crop and Resize Shift R Rotate Shift T Scale ruler to delete it. Ctrl drag Drag a sample point out of the rulers Shift Ctrl R Toggle rulers Shift Ctrl T Toggle guides Edit Undo/redo Ctrl Z Undo Ctrl Y Redo Clipboard Ctrl

onto the ruler to delete it. Ctrl drag Drag a sample point out of the rulers Shift Ctrl R Toggle rulers Shift Ctrl T Toggle guides Image Ctrl D 复制图像 Alt Return Image properties 图层 Shift Shift Ctrl D Duplicate layer PgUp 选中上一层 PgDn 选中下一层 Ctrl M 合并可见图层 Ctrl H Anchor layer 工具箱 工具 R Rectangle Select E 椭圆形选择 F 自由选择 Z 模糊选取 Shift O 按颜色选取 I Intelligent Scissors Shift B Bucket Fill MyPaint Brush C 克隆 H Heal Shift U 模糊/锐化 S 污点 Shift D 减淡/加深 Q Alignment M 移动 Shift C Crop Shift R 旋转 Shift S 缩放 Shift H 剪切 Shift P 透视 Shift T Unified Transform Shift L Handle Transform Shift F

to intersect an area that should be perfectly horizontal • Using the ‘Rotate’ tool (Shift + R) rotate the image so that it lines up with the guideline • When you start to rotate the image, a reduce file size when bringing images into a vector file • Use the ‘Rectangle Select’ tool (R) to draw a box around the area of the image you want to keep • Click and drag the corners of the

选择工具与选区 Ctrl Ctrl ctrl shift ctrl Ctrl Shaft Shift shift R 昌 说明 和矩形选择 椭圆形选择 自由选择 模糊选择/魔术棒 按颜色选择 智能剪刀 选中全部 反向选择 取消选中 选择浮动部分 选择浮动部分 编辑 快捷 ca cm y cm cm xx em 人 Ctrl shift Ctrl shift ctrl

ground. 1. Click on the Rotate Tool button (or press SHIFT+R) 2. Click on your image 3. Tilt the image by sliding the Angle bar 4. Click