Split fx_dib part 5

Move more classes into their own files.

Change-Id: Ic505be9e406eafb378235216ea19221ce172f32e
Reviewed-on: https://pdfium-review.googlesource.com/3593
Commit-Queue: Nicolás Peña <npm@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

1 files changed, 0 insertions, 215 deletions

diff --git a/core/fxge/dib/fx_dib_composite.cpp b/core/fxge/dib/fx_dib_composite.cpp
deleted file mode 100644
index e7912e5a1b..0000000000
--- a/core/fxge/dib/fx_dib_composite.cpp
+++ /dev/null
@@ -1,215 +0,0 @@
-// Copyright 2014 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 <algorithm>
-
-#include "core/fxcodec/fx_codec.h"
-#include "core/fxge/cfx_gemodule.h"
-#include "core/fxge/ge/cfx_cliprgn.h"
-
-CFX_BitmapComposer::CFX_BitmapComposer() {
-  m_pScanlineV = nullptr;
-  m_pScanlineAlphaV = nullptr;
-  m_pClipScanV = nullptr;
-  m_pAddClipScan = nullptr;
-  m_bRgbByteOrder = false;
-  m_BlendType = FXDIB_BLEND_NORMAL;
-}
-
-CFX_BitmapComposer::~CFX_BitmapComposer() {
-  FX_Free(m_pScanlineV);
-  FX_Free(m_pScanlineAlphaV);
-  FX_Free(m_pClipScanV);
-  FX_Free(m_pAddClipScan);
-}
-
-void CFX_BitmapComposer::Compose(const CFX_RetainPtr<CFX_DIBitmap>& pDest,
-                                 const CFX_ClipRgn* pClipRgn,
-                                 int bitmap_alpha,
-                                 uint32_t mask_color,
-                                 FX_RECT& dest_rect,
-                                 bool bVertical,
-                                 bool bFlipX,
-                                 bool bFlipY,
-                                 bool bRgbByteOrder,
-                                 int alpha_flag,
-                                 void* pIccTransform,
-                                 int blend_type) {
-  m_pBitmap = pDest;
-  m_pClipRgn = pClipRgn;
-  m_DestLeft = dest_rect.left;
-  m_DestTop = dest_rect.top;
-  m_DestWidth = dest_rect.Width();
-  m_DestHeight = dest_rect.Height();
-  m_BitmapAlpha = bitmap_alpha;
-  m_MaskColor = mask_color;
-  m_pClipMask = nullptr;
-  if (pClipRgn && pClipRgn->GetType() != CFX_ClipRgn::RectI)
-    m_pClipMask = pClipRgn->GetMask();
-  m_bVertical = bVertical;
-  m_bFlipX = bFlipX;
-  m_bFlipY = bFlipY;
-  m_AlphaFlag = alpha_flag;
-  m_pIccTransform = pIccTransform;
-  m_bRgbByteOrder = bRgbByteOrder;
-  m_BlendType = blend_type;
-}
-bool CFX_BitmapComposer::SetInfo(int width,
-                                 int height,
-                                 FXDIB_Format src_format,
-                                 uint32_t* pSrcPalette) {
-  m_SrcFormat = src_format;
-  if (!m_Compositor.Init(m_pBitmap->GetFormat(), src_format, width, pSrcPalette,
-                         m_MaskColor, FXDIB_BLEND_NORMAL,
-                         m_pClipMask != nullptr || (m_BitmapAlpha < 255),
-                         m_bRgbByteOrder, m_AlphaFlag, m_pIccTransform)) {
-    return false;
-  }
-  if (m_bVertical) {
-    m_pScanlineV = FX_Alloc(uint8_t, m_pBitmap->GetBPP() / 8 * width + 4);
-    m_pClipScanV = FX_Alloc(uint8_t, m_pBitmap->GetHeight());
-    if (m_pBitmap->m_pAlphaMask) {
-      m_pScanlineAlphaV = FX_Alloc(uint8_t, width + 4);
-    }
-  }
-  if (m_BitmapAlpha < 255) {
-    m_pAddClipScan = FX_Alloc(
-        uint8_t, m_bVertical ? m_pBitmap->GetHeight() : m_pBitmap->GetWidth());
-  }
-  return true;
-}
-
-void CFX_BitmapComposer::DoCompose(uint8_t* dest_scan,
-                                   const uint8_t* src_scan,
-                                   int dest_width,
-                                   const uint8_t* clip_scan,
-                                   const uint8_t* src_extra_alpha,
-                                   uint8_t* dst_extra_alpha) {
-  if (m_BitmapAlpha < 255) {
-    if (clip_scan) {
-      for (int i = 0; i < dest_width; i++) {
-        m_pAddClipScan[i] = clip_scan[i] * m_BitmapAlpha / 255;
-      }
-    } else {
-      FXSYS_memset(m_pAddClipScan, m_BitmapAlpha, dest_width);
-    }
-    clip_scan = m_pAddClipScan;
-  }
-  if (m_SrcFormat == FXDIB_8bppMask) {
-    m_Compositor.CompositeByteMaskLine(dest_scan, src_scan, dest_width,
-                                       clip_scan, dst_extra_alpha);
-  } else if ((m_SrcFormat & 0xff) == 8) {
-    m_Compositor.CompositePalBitmapLine(dest_scan, src_scan, 0, dest_width,
-                                        clip_scan, src_extra_alpha,
-                                        dst_extra_alpha);
-  } else {
-    m_Compositor.CompositeRgbBitmapLine(dest_scan, src_scan, dest_width,
-                                        clip_scan, src_extra_alpha,
-                                        dst_extra_alpha);
-  }
-}
-
-void CFX_BitmapComposer::ComposeScanline(int line,
-                                         const uint8_t* scanline,
-                                         const uint8_t* scan_extra_alpha) {
-  if (m_bVertical) {
-    ComposeScanlineV(line, scanline, scan_extra_alpha);
-    return;
-  }
-  const uint8_t* clip_scan = nullptr;
-  if (m_pClipMask)
-    clip_scan = m_pClipMask->GetBuffer() +
-                (m_DestTop + line - m_pClipRgn->GetBox().top) *
-                    m_pClipMask->GetPitch() +
-                (m_DestLeft - m_pClipRgn->GetBox().left);
-  uint8_t* dest_scan = (uint8_t*)m_pBitmap->GetScanline(line + m_DestTop) +
-                       m_DestLeft * m_pBitmap->GetBPP() / 8;
-  uint8_t* dest_alpha_scan =
-      m_pBitmap->m_pAlphaMask
-          ? (uint8_t*)m_pBitmap->m_pAlphaMask->GetScanline(line + m_DestTop) +
-                m_DestLeft
-          : nullptr;
-  DoCompose(dest_scan, scanline, m_DestWidth, clip_scan, scan_extra_alpha,
-            dest_alpha_scan);
-}
-
-void CFX_BitmapComposer::ComposeScanlineV(int line,
-                                          const uint8_t* scanline,
-                                          const uint8_t* scan_extra_alpha) {
-  int i;
-  int Bpp = m_pBitmap->GetBPP() / 8;
-  int dest_pitch = m_pBitmap->GetPitch();
-  int dest_alpha_pitch =
-      m_pBitmap->m_pAlphaMask ? m_pBitmap->m_pAlphaMask->GetPitch() : 0;
-  int dest_x = m_DestLeft + (m_bFlipX ? (m_DestWidth - line - 1) : line);
-  uint8_t* dest_buf =
-      m_pBitmap->GetBuffer() + dest_x * Bpp + m_DestTop * dest_pitch;
-  uint8_t* dest_alpha_buf = m_pBitmap->m_pAlphaMask
-                                ? m_pBitmap->m_pAlphaMask->GetBuffer() +
-                                      dest_x + m_DestTop * dest_alpha_pitch
-                                : nullptr;
-  if (m_bFlipY) {
-    dest_buf += dest_pitch * (m_DestHeight - 1);
-    dest_alpha_buf += dest_alpha_pitch * (m_DestHeight - 1);
-  }
-  int y_step = dest_pitch;
-  int y_alpha_step = dest_alpha_pitch;
-  if (m_bFlipY) {
-    y_step = -y_step;
-    y_alpha_step = -y_alpha_step;
-  }
-  uint8_t* src_scan = m_pScanlineV;
-  uint8_t* dest_scan = dest_buf;
-  for (i = 0; i < m_DestHeight; i++) {
-    for (int j = 0; j < Bpp; j++) {
-      *src_scan++ = dest_scan[j];
-    }
-    dest_scan += y_step;
-  }
-  uint8_t* src_alpha_scan = m_pScanlineAlphaV;
-  uint8_t* dest_alpha_scan = dest_alpha_buf;
-  if (dest_alpha_scan) {
-    for (i = 0; i < m_DestHeight; i++) {
-      *src_alpha_scan++ = *dest_alpha_scan;
-      dest_alpha_scan += y_alpha_step;
-    }
-  }
-  uint8_t* clip_scan = nullptr;
-  if (m_pClipMask) {
-    clip_scan = m_pClipScanV;
-    int clip_pitch = m_pClipMask->GetPitch();
-    const uint8_t* src_clip =
-        m_pClipMask->GetBuffer() +
-        (m_DestTop - m_pClipRgn->GetBox().top) * clip_pitch +
-        (dest_x - m_pClipRgn->GetBox().left);
-    if (m_bFlipY) {
-      src_clip += clip_pitch * (m_DestHeight - 1);
-      clip_pitch = -clip_pitch;
-    }
-    for (i = 0; i < m_DestHeight; i++) {
-      clip_scan[i] = *src_clip;
-      src_clip += clip_pitch;
-    }
-  }
-  DoCompose(m_pScanlineV, scanline, m_DestHeight, clip_scan, scan_extra_alpha,
-            m_pScanlineAlphaV);
-  src_scan = m_pScanlineV;
-  dest_scan = dest_buf;
-  for (i = 0; i < m_DestHeight; i++) {
-    for (int j = 0; j < Bpp; j++) {
-      dest_scan[j] = *src_scan++;
-    }
-    dest_scan += y_step;
-  }
-  src_alpha_scan = m_pScanlineAlphaV;
-  dest_alpha_scan = dest_alpha_buf;
-  if (dest_alpha_scan) {
-    for (i = 0; i < m_DestHeight; i++) {
-      *dest_alpha_scan = *src_alpha_scan++;
-      dest_alpha_scan += y_alpha_step;
-    }
-  }
-}