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authordsinclair <dsinclair@chromium.org>2016-10-04 12:18:35 -0700
committerCommit bot <commit-bot@chromium.org>2016-10-04 12:18:35 -0700
commit69d9c68e705afa7a4008feb9bbeb19cea887ed47 (patch)
treeb5509c51aeeb89c99c7a4e0a60f8e5f29af5245c /core/fpdfapi/render/cpdf_progressiverenderer.h
parent488b7ad845d6de212d89cd957303b294ecfa5922 (diff)
downloadpdfium-69d9c68e705afa7a4008feb9bbeb19cea887ed47.tar.xz
Move core/fpdfapi/fpdf_render to core/fpdfapi/render
BUG=pdfium:603 Review-Url: https://codereview.chromium.org/2393593002
Diffstat (limited to 'core/fpdfapi/render/cpdf_progressiverenderer.h')
-rw-r--r--core/fpdfapi/render/cpdf_progressiverenderer.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/core/fpdfapi/render/cpdf_progressiverenderer.h b/core/fpdfapi/render/cpdf_progressiverenderer.h
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+++ b/core/fpdfapi/render/cpdf_progressiverenderer.h
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+// Copyright 2016 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.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_RENDER_CPDF_PROGRESSIVERENDERER_H_
+#define CORE_FPDFAPI_RENDER_CPDF_PROGRESSIVERENDERER_H_
+
+#include <memory>
+
+#include "core/fpdfapi/page/cpdf_pageobjectlist.h"
+#include "core/fpdfapi/render/cpdf_rendercontext.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_system.h"
+
+class CPDF_RenderOptions;
+class CPDF_RenderStatus;
+class CFX_RenderDevice;
+class IFX_Pause;
+
+class CPDF_ProgressiveRenderer {
+ public:
+ // Must match FDF_RENDER_* definitions in public/fpdf_progressive.h, but
+ // cannot #include that header. fpdfsdk/fpdf_progressive.cpp has
+ // static_asserts to make sure the two sets of values match.
+ enum Status {
+ Ready, // FPDF_RENDER_READER
+ ToBeContinued, // FPDF_RENDER_TOBECOUNTINUED
+ Done, // FPDF_RENDER_DONE
+ Failed // FPDF_RENDER_FAILED
+ };
+
+ static int ToFPDFStatus(Status status) { return static_cast<int>(status); }
+
+ CPDF_ProgressiveRenderer(CPDF_RenderContext* pContext,
+ CFX_RenderDevice* pDevice,
+ const CPDF_RenderOptions* pOptions);
+ ~CPDF_ProgressiveRenderer();
+
+ Status GetStatus() const { return m_Status; }
+ void Start(IFX_Pause* pPause);
+ void Continue(IFX_Pause* pPause);
+
+ private:
+ void RenderStep();
+
+ // Maximum page objects to render before checking for pause.
+ static const int kStepLimit = 100;
+
+ Status m_Status;
+ CPDF_RenderContext* const m_pContext;
+ CFX_RenderDevice* const m_pDevice;
+ const CPDF_RenderOptions* const m_pOptions;
+ std::unique_ptr<CPDF_RenderStatus> m_pRenderStatus;
+ CFX_FloatRect m_ClipRect;
+ uint32_t m_LayerIndex;
+ CPDF_RenderContext::Layer* m_pCurrentLayer;
+ CPDF_PageObjectList::iterator m_LastObjectRendered;
+};
+
+#endif // CORE_FPDFAPI_RENDER_CPDF_PROGRESSIVERENDERER_H_