More old files deletion.

ui/gfx/gdi_util.cc

-// Copyright (c) 2012 The Chromium 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 "ui/gfx/gdi_util.h"
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace {
-
-void CreateBitmapHeaderWithColorDepth(LONG width,
-                                      LONG height,
-                                      WORD color_depth,
-                                      BITMAPINFOHEADER* hdr) {
-  // These values are shared with gfx::PlatformDevice
-  hdr->biSize = sizeof(BITMAPINFOHEADER);
-  hdr->biWidth = width;
-  hdr->biHeight = -height;  // minus means top-down bitmap
-  hdr->biPlanes = 1;
-  hdr->biBitCount = color_depth;
-  hdr->biCompression = BI_RGB;  // no compression
-  hdr->biSizeImage = 0;
-  hdr->biXPelsPerMeter = 1;
-  hdr->biYPelsPerMeter = 1;
-  hdr->biClrUsed = 0;
-  hdr->biClrImportant = 0;
-}
-
-}  // namespace
-
-namespace gfx {
-
-void CreateBitmapHeader(int width, int height, BITMAPINFOHEADER* hdr) {
-  CreateBitmapHeaderWithColorDepth(width, height, 32, hdr);
-}
-
-void CreateBitmapV4Header(int width, int height, BITMAPV4HEADER* hdr) {
-  // Because bmp v4 header is just an extension, we just create a v3 header and
-  // copy the bits over to the v4 header.
-  BITMAPINFOHEADER header_v3;
-  CreateBitmapHeader(width, height, &header_v3);
-  memset(hdr, 0, sizeof(BITMAPV4HEADER));
-  memcpy(hdr, &header_v3, sizeof(BITMAPINFOHEADER));
-
-  // Correct the size of the header and fill in the mask values.
-  hdr->bV4Size = sizeof(BITMAPV4HEADER);
-  hdr->bV4RedMask   = 0x00ff0000;
-  hdr->bV4GreenMask = 0x0000ff00;
-  hdr->bV4BlueMask  = 0x000000ff;
-  hdr->bV4AlphaMask = 0xff000000;
-}
-
-// Creates a monochrome bitmap header.
-void CreateMonochromeBitmapHeader(int width,
-                                  int height,
-                                  BITMAPINFOHEADER* hdr) {
-  CreateBitmapHeaderWithColorDepth(width, height, 1, hdr);
-}
-
-void SubtractRectanglesFromRegion(HRGN hrgn,
-                                  const std::vector<gfx::Rect>& cutouts) {
-  if (cutouts.size()) {
-    HRGN cutout = ::CreateRectRgn(0, 0, 0, 0);
-    for (size_t i = 0; i < cutouts.size(); i++) {
-      ::SetRectRgn(cutout,
-                   cutouts[i].x(),
-                   cutouts[i].y(),
-                   cutouts[i].right(),
-                   cutouts[i].bottom());
-      ::CombineRgn(hrgn, hrgn, cutout, RGN_DIFF);
-    }
-    ::DeleteObject(cutout);
-  }
-}
-
-HRGN ConvertPathToHRGN(const gfx::Path& path) {
-#if defined(USE_AURA)
-  int point_count = path.getPoints(NULL, 0);
-  scoped_ptr<SkPoint[]> points(new SkPoint[point_count]);
-  path.getPoints(points.get(), point_count);
-  scoped_ptr<POINT[]> windows_points(new POINT[point_count]);
-  for (int i = 0; i < point_count; ++i) {
-    windows_points[i].x = SkScalarRoundToInt(points[i].fX);
-    windows_points[i].y = SkScalarRoundToInt(points[i].fY);
-  }
-
-  return ::CreatePolygonRgn(windows_points.get(), point_count, ALTERNATE);
-#elif defined(OS_WIN)
-  return path.CreateNativeRegion();
-#endif
-}
-
-
-float CalculatePageScale(HDC dc, int page_width, int page_height) {
-  int dc_width = GetDeviceCaps(dc, HORZRES);
-  int dc_height = GetDeviceCaps(dc, VERTRES);
-
-  // If page fits DC - no scaling needed.
-  if (dc_width >= page_width && dc_height >= page_height)
-    return 1.0;
-
-  float x_factor =
-      static_cast<float>(dc_width) / static_cast<float>(page_width);
-  float y_factor =
-      static_cast<float>(dc_height) / static_cast<float>(page_height);
-  return std::min(x_factor, y_factor);
-}
-
-// Apply scaling to the DC.
-bool ScaleDC(HDC dc, float scale_factor) {
-  SetGraphicsMode(dc, GM_ADVANCED);
-  XFORM xform = {0};
-  xform.eM11 = xform.eM22 = scale_factor;
-  return !!ModifyWorldTransform(dc, &xform, MWT_LEFTMULTIPLY);
-}
-
-void StretchDIBits(HDC hdc, int dest_x, int dest_y, int dest_w, int dest_h,
-                   int src_x, int src_y, int src_w, int src_h, void* pixels,
-                   const BITMAPINFO* bitmap_info) {
-  // When blitting a rectangle that touches the bottom, left corner of the
-  // bitmap, StretchDIBits looks at it top-down!  For more details, see
-  // http://wiki.allegro.cc/index.php?title=StretchDIBits.
-  int rv;
-  int bitmap_h = -bitmap_info->bmiHeader.biHeight;
-  int bottom_up_src_y = bitmap_h - src_y - src_h;
-  if (bottom_up_src_y == 0 && src_x == 0 && src_h != bitmap_h) {
-    rv = ::StretchDIBits(hdc,
-                         dest_x, dest_h + dest_y - 1, dest_w, -dest_h,
-                         src_x, bitmap_h - src_y + 1, src_w, -src_h,
-                         pixels, bitmap_info, DIB_RGB_COLORS, SRCCOPY);
-  } else {
-    rv = ::StretchDIBits(hdc,
-                         dest_x, dest_y, dest_w, dest_h,
-                         src_x, bottom_up_src_y, src_w, src_h,
-                         pixels, bitmap_info, DIB_RGB_COLORS, SRCCOPY);
-  }
-  DCHECK(rv != GDI_ERROR);
-}
-
-}  // namespace gfx