1 files changed, 84 insertions, 0 deletions
diff --git a/core/fxge/cfx_defaultrenderdevice.cpp b/core/fxge/cfx_defaultrenderdevice.cpp
new file mode 100644
index 000000000..819be4ed5
--- /dev/null
+++ b/core/fxge/cfx_defaultrenderdevice.cpp
@@ -0,0 +1,84 @@
+// Copyright 2022 The PDFium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/fxge/cfx_defaultrenderdevice.h"
+
+#include <utility>
+
+#include "core/fxge/dib/cfx_dibitmap.h"
+
+namespace {
+
+// When build variant is Skia then it is assumed as the default, but might be
+// overridden at runtime.
+#if defined(_SKIA_SUPPORT_)
+CFX_DefaultRenderDevice::RendererType g_default_renderer_type =
+    CFX_DefaultRenderDevice::RendererType::kSkia;
+#endif
+
+}  // namespace
+
+// static
+bool CFX_DefaultRenderDevice::SkiaIsDefaultRenderer() {
+#if defined(_SKIA_SUPPORT_)
+  return g_default_renderer_type == RendererType::kSkia;
+#else
+  return false;
+#endif
+}
+
+#if defined(_SKIA_SUPPORT_)
+// static
+void CFX_DefaultRenderDevice::SetDefaultRenderer(RendererType renderer_type) {
+  g_default_renderer_type = renderer_type;
+}
+#endif
+
+CFX_DefaultRenderDevice::CFX_DefaultRenderDevice() = default;
+
+CFX_DefaultRenderDevice::~CFX_DefaultRenderDevice() = default;
+
+bool CFX_DefaultRenderDevice::Attach(RetainPtr<CFX_DIBitmap> pBitmap) {
+  return AttachWithRgbByteOrder(std::move(pBitmap), false);
+}
+
+bool CFX_DefaultRenderDevice::AttachWithRgbByteOrder(
+    RetainPtr<CFX_DIBitmap> pBitmap,
+    bool bRgbByteOrder) {
+  return AttachImpl(std::move(pBitmap), bRgbByteOrder, nullptr, false);
+}
+
+bool CFX_DefaultRenderDevice::AttachWithBackdropAndGroupKnockout(
+    RetainPtr<CFX_DIBitmap> pBitmap,
+    RetainPtr<CFX_DIBitmap> pBackdropBitmap,
+    bool bGroupKnockout) {
+  return AttachImpl(std::move(pBitmap), false, std::move(pBackdropBitmap),
+                    bGroupKnockout);
+}
+
+bool CFX_DefaultRenderDevice::CFX_DefaultRenderDevice::AttachImpl(
+    RetainPtr<CFX_DIBitmap> pBitmap,
+    bool bRgbByteOrder,
+    RetainPtr<CFX_DIBitmap> pBackdropBitmap,
+    bool bGroupKnockout) {
+#if defined(_SKIA_SUPPORT_)
+  if (SkiaIsDefaultRenderer()) {
+    return AttachSkiaImpl(std::move(pBitmap), bRgbByteOrder,
+                          std::move(pBackdropBitmap), bGroupKnockout);
+  }
+#endif
+  return AttachAggImpl(std::move(pBitmap), bRgbByteOrder,
+                       std::move(pBackdropBitmap), bGroupKnockout);
+}
+
+bool CFX_DefaultRenderDevice::Create(int width,
+                                     int height,
+                                     FXDIB_Format format,
+                                     RetainPtr<CFX_DIBitmap> pBackdropBitmap) {
+#if defined(_SKIA_SUPPORT_)
+  if (SkiaIsDefaultRenderer())
+    return CreateSkia(width, height, format, pBackdropBitmap);
+#endif
+  return CreateAgg(width, height, format, pBackdropBitmap);
+}