Remove dib_int.h

This CL removes dib_int.h by moving CStretchEngine to its own file, other
classes to where they are used, and the remaining to fx_dib.h.

Change-Id: Ie2d4bb39389737cd631f92b88000ea942608da21
Reviewed-on: https://pdfium-review.googlesource.com/3714
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Nicolás Peña <npm@chromium.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/core/fxge/dib/cstretchengine_unittest.cpp b/core/fxge/dib/cstretchengine_unittest.cpp
new file mode 100644
index 0000000000..2c7e0342de
--- /dev/null
+++ b/core/fxge/dib/cstretchengine_unittest.cpp
@@ -0,0 +1,32 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/fxge/dib/cstretchengine.h"
+
+#include <memory>
+#include <utility>
+
+#include "core/fpdfapi/parser/cpdf_dictionary.h"
+#include "core/fpdfapi/parser/cpdf_number.h"
+#include "core/fpdfapi/parser/cpdf_stream.h"
+#include "core/fpdfapi/render/cpdf_dibsource.h"
+#include "core/fxcrt/fx_memory.h"
+#include "core/fxge/fx_dib.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/base/ptr_util.h"
+
+TEST(CStretchEngine, OverflowInCtor) {
+  FX_RECT clip_rect;
+  std::unique_ptr<CPDF_Dictionary> dict_obj =
+      pdfium::MakeUnique<CPDF_Dictionary>();
+  dict_obj->SetNewFor<CPDF_Number>("Width", 71000);
+  dict_obj->SetNewFor<CPDF_Number>("Height", 12500);
+  std::unique_ptr<CPDF_Stream> stream =
+      pdfium::MakeUnique<CPDF_Stream>(nullptr, 0, std::move(dict_obj));
+  auto dib_source = pdfium::MakeRetain<CPDF_DIBSource>();
+  dib_source->Load(nullptr, stream.get());
+  CStretchEngine engine(nullptr, FXDIB_8bppRgb, 500, 500, clip_rect, dib_source,
+                        0);
+  EXPECT_EQ(FXDIB_INTERPOL, engine.m_Flags);
+}