From ef1e85caf492e1b9bf9803647d3c5db1abea77c7 Mon Sep 17 00:00:00 2001
From: Tom Sepez <tsepez@chromium.org>
Date: Mon, 23 Feb 2015 15:59:57 -0800
Subject: Backport PNG output format to origin/master branch.

The pdfium library itself does not support the format, but the test utility
can convert to this output format.

GN build can't be tested standalone, so push this out to the next CL.

R=jam@chromium.org

Review URL: https://codereview.chromium.org/950113002
---
 samples/samples.gyp | 61 +++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 57 insertions(+), 4 deletions(-)

(limited to 'samples/samples.gyp')

diff --git a/samples/samples.gyp b/samples/samples.gyp
index 607a5b9169..4938ecb955 100644
--- a/samples/samples.gyp
+++ b/samples/samples.gyp
@@ -4,10 +4,10 @@
 
 {
   'target_defaults': {
-    'type': 'executable',
-    'dependencies': [
-      '../pdfium.gyp:pdfium',
-      '<(DEPTH)/v8/tools/gyp/v8.gyp:v8_libplatform',
+    'defines' : [
+      'PNG_PREFIX',
+      'PNGPREFIX_H',
+      'PNG_USE_READ_MACROS',
     ],
     'include_dirs': [
       '<(DEPTH)',
@@ -18,8 +18,61 @@
   'targets': [
     {
       'target_name': 'pdfium_test',
+      'type': 'executable',
+      'dependencies': [
+        'fx_lpng',
+        '../pdfium.gyp:pdfium',
+        '<(DEPTH)/v8/tools/gyp/v8.gyp:v8_libplatform',
+      ],
       'sources': [
         'pdfium_test.cc',
+        'image_diff_png.cc',
+      ],
+    },
+    {
+      'target_name': 'pdfium_diff',
+      'type': 'executable',
+      'variables': { 'enable_wexit_time_destructors': 1, },
+      'dependencies': [
+        'fx_lpng',
+        '../pdfium.gyp:pdfium',
+        '../third_party/third_party.gyp:pdfium_base',
+      ],
+      'include_dirs': [
+        '../../',
+      ],
+      'sources': [
+        'image_diff.cc',
+        'image_diff_png.h',
+        'image_diff_png.cc',
+      ],
+    },
+    {
+      'target_name': 'fx_lpng',
+      'type': 'static_library',
+      'dependencies': [
+        '../pdfium.gyp:fxcodec',
+      ],
+      'include_dirs': [
+        '../core/src/fxcodec/fx_zlib/include/',
+      ],
+      'sources': [
+        'fx_lpng/include/fx_png.h',
+        'fx_lpng/src/fx_png.c',
+        'fx_lpng/src/fx_pngerror.c',
+        'fx_lpng/src/fx_pngget.c',
+        'fx_lpng/src/fx_pngmem.c',
+        'fx_lpng/src/fx_pngpread.c',
+        'fx_lpng/src/fx_pngread.c',
+        'fx_lpng/src/fx_pngrio.c',
+        'fx_lpng/src/fx_pngrtran.c',
+        'fx_lpng/src/fx_pngrutil.c',
+        'fx_lpng/src/fx_pngset.c',
+        'fx_lpng/src/fx_pngtrans.c',
+        'fx_lpng/src/fx_pngwio.c',
+        'fx_lpng/src/fx_pngwrite.c',
+        'fx_lpng/src/fx_pngwtran.c',
+        'fx_lpng/src/fx_pngwutil.c',
       ],
     },
   ],
-- 
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