From 8a463c5a1a2252b5fdbff3b5ab07d50273bbc391 Mon Sep 17 00:00:00 2001 From: Nicolas Pena Date: Wed, 30 Nov 2016 14:56:27 -0500 Subject: Remove fpdf_render.cpp MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Split the remaining code into files per class. Change-Id: Idb959dbf807223a509e16c76f9626e61856a886b Reviewed-on: https://pdfium-review.googlesource.com/2094 Reviewed-by: Tom Sepez Commit-Queue: Nicolás Peña --- core/fpdfapi/render/cpdf_devicebuffer.cpp | 75 +++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 core/fpdfapi/render/cpdf_devicebuffer.cpp (limited to 'core/fpdfapi/render/cpdf_devicebuffer.cpp') diff --git a/core/fpdfapi/render/cpdf_devicebuffer.cpp b/core/fpdfapi/render/cpdf_devicebuffer.cpp new file mode 100644 index 0000000000..06b4d13c7a --- /dev/null +++ b/core/fpdfapi/render/cpdf_devicebuffer.cpp @@ -0,0 +1,75 @@ +// 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 + +#include "core/fpdfapi/render/cpdf_devicebuffer.h" + +#include "core/fpdfapi/page/cpdf_pageobject.h" +#include "core/fpdfapi/render/cpdf_rendercontext.h" +#include "core/fpdfapi/render/cpdf_renderoptions.h" +#include "core/fxge/cfx_fxgedevice.h" +#include "core/fxge/cfx_renderdevice.h" +#include "core/fxge/fx_dib.h" + +CPDF_DeviceBuffer::CPDF_DeviceBuffer() + : m_pDevice(nullptr), m_pContext(nullptr), m_pObject(nullptr) {} + +CPDF_DeviceBuffer::~CPDF_DeviceBuffer() {} + +bool CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext, + CFX_RenderDevice* pDevice, + FX_RECT* pRect, + const CPDF_PageObject* pObj, + int max_dpi) { + m_pDevice = pDevice; + m_pContext = pContext; + m_Rect = *pRect; + m_pObject = pObj; + m_Matrix.TranslateI(-pRect->left, -pRect->top); +#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ + int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE); + int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE); + if (horz_size && vert_size && max_dpi) { + int dpih = + pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10); + int dpiv = + pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10); + if (dpih > max_dpi) + m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f); + if (dpiv > max_dpi) + m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv); + } +#endif + CFX_Matrix ctm = m_pDevice->GetCTM(); + FX_FLOAT fScaleX = FXSYS_fabs(ctm.a); + FX_FLOAT fScaleY = FXSYS_fabs(ctm.d); + m_Matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0); + CFX_FloatRect rect(*pRect); + m_Matrix.TransformRect(rect); + FX_RECT bitmap_rect = rect.GetOuterRect(); + m_pBitmap.reset(new CFX_DIBitmap); + m_pBitmap->Create(bitmap_rect.Width(), bitmap_rect.Height(), FXDIB_Argb); + return true; +} + +void CPDF_DeviceBuffer::OutputToDevice() { + if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) { + if (m_Matrix.a == 1.0f && m_Matrix.d == 1.0f) { + m_pDevice->SetDIBits(m_pBitmap.get(), m_Rect.left, m_Rect.top); + } else { + m_pDevice->StretchDIBits(m_pBitmap.get(), m_Rect.left, m_Rect.top, + m_Rect.Width(), m_Rect.Height()); + } + return; + } + CFX_DIBitmap buffer; + m_pDevice->CreateCompatibleBitmap(&buffer, m_pBitmap->GetWidth(), + m_pBitmap->GetHeight()); + m_pContext->GetBackground(&buffer, m_pObject, nullptr, &m_Matrix); + buffer.CompositeBitmap(0, 0, buffer.GetWidth(), buffer.GetHeight(), + m_pBitmap.get(), 0, 0); + m_pDevice->StretchDIBits(&buffer, m_Rect.left, m_Rect.top, m_Rect.Width(), + m_Rect.Height()); +} -- cgit v1.2.3