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| 1 # Building PDFium |
| 2 |
| 3 ## Prerequisites |
| 4 |
| 5 Get the chromium depot tools via the instructions at |
| 6 http://www.chromium.org/developers/how-tos/install-depot-tools (this provides |
| 7 the gclient utilty needed below). |
| 8 |
| 9 Also install Python, Subversion, and Git and make sure they're in your path. |
| 10 |
| 11 Optionally, you may want to install the [Ninja](http://martine.github.io/ninja/) |
| 12 build system (recommended) rather than using your platform-specific build |
| 13 system. |
| 14 |
| 15 ## Get the code |
| 16 |
| 17 ``` |
| 18 mkdir pdfium |
| 19 cd pdfium |
| 20 gclient config --name . --unmanaged https://pdfium.googlesource.com/pdfium.git |
| 21 gclient sync |
| 22 ``` |
| 23 |
| 24 ## Generate the build files |
| 25 |
| 26 Now we use the GYP library to generate the build files. |
| 27 |
| 28 At this point, you have two options. The first option is to use the [Ninja] |
| 29 (http://martine.github.io/ninja/) build system. This is the default as of |
| 30 mid-September, 2015. Previously, the second option was the default. Most PDFium |
| 31 developers use Ninja, as does our [continuous build system] |
| 32 (http://build.chromium.org/p/client.pdfium/). |
| 33 |
| 34 On Windows: `build\gyp_pdfium |
| 35 ` For all other platforms: `build/gyp_pdfium |
| 36 ` |
| 37 |
| 38 The second option is to generate platform-specific build files, i.e. Makefiles |
| 39 on Linux, sln files on Windows, and xcodeproj files on Mac. To do so, set the |
| 40 GYP\_GENERATORS environment variable appropriately (e.g. "make", "msvs", or |
| 41 "xcode") before running the above command. |
| 42 |
| 43 ## Building the code |
| 44 |
| 45 If you used Ninja, you can build the sample program by: `ninja -C out/Debug |
| 46 pdfium_test |
| 47 ` You can build the entire product (which includes a few unit tests) by: `ninja |
| 48 -C out/Debug |
| 49 ` |
| 50 |
| 51 If you're not using Ninja, then building is platform-specific. |
| 52 |
| 53 On Linux: `make pdfium_test |
| 54 ` |
| 55 |
| 56 On Mac, open build/all.xcodeproj |
| 57 |
| 58 On Windows, open build\all.sln |
| 59 |
| 60 ## Running the sample program |
| 61 |
| 62 The pdfium\_test program supports reading, parsing, and rasterizing the pages of |
| 63 a .pdf file to .ppm output image files (windows supports two other formats, and |
| 64 .png support is available for all platforms in an alternate branch (see branches |
| 65 section below)). For example: `out/Debug/pdfium_test --ppm path/to/myfile.pdf |
| 66 ` |
| 67 |
| 68 ## Waterfall |
| 69 |
| 70 The current health of the source tree can be found at |
| 71 http://build.chromium.org/p/client.pdfium/console |
| 72 |
| 73 ## Branches |
| 74 |
| 75 There is a branch for a forthcoming feature called XFA that you can get by |
| 76 following the steps above, then: `git checkout origin/xfa build/gyp_pdfium ninja |
| 77 -C out/Debug |
| 78 ` |
| 79 |
| 80 The XFA version of the sample pdfium\_test program supports rasterizing to .png |
| 81 format files. For example: `out/Debug/pdfium_test --png path/to/myfile.pdf |
| 82 ` |
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