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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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