gfx/src/nsRect.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "nsRect.h"
   7 #include "mozilla/gfx/Types.h"          // for NS_SIDE_BOTTOM, etc
   8 #include "nsDeviceContext.h"            // for nsDeviceContext
   9 #include "nsString.h"               // for nsAutoString, etc
  10 #include "nsMargin.h"                   // for nsMargin
  11
  12 static_assert((int(NS_SIDE_TOP) == 0) &&
  13               (int(NS_SIDE_RIGHT) == 1) &&
  14               (int(NS_SIDE_BOTTOM) == 2) &&
  15               (int(NS_SIDE_LEFT) == 3),
  16               "The mozilla::css::Side sequence must match the nsMargin nscoord sequence");
  17
  18 #ifdef DEBUG
  19 // Diagnostics
  20
  21 FILE* operator<<(FILE* out, const nsRect& rect)
  22 {
  23   nsAutoString tmp;
  24
  25   // Output the coordinates in fractional pixels so they're easier to read
  26   tmp.Append('{');
  27   tmp.AppendFloat(NSAppUnitsToFloatPixels(rect.x,
  28                        nsDeviceContext::AppUnitsPerCSSPixel()));
  29   tmp.AppendLiteral(", ");
  30   tmp.AppendFloat(NSAppUnitsToFloatPixels(rect.y,
  31                        nsDeviceContext::AppUnitsPerCSSPixel()));
  32   tmp.AppendLiteral(", ");
  33   tmp.AppendFloat(NSAppUnitsToFloatPixels(rect.width,
  34                        nsDeviceContext::AppUnitsPerCSSPixel()));
  35   tmp.AppendLiteral(", ");
  36   tmp.AppendFloat(NSAppUnitsToFloatPixels(rect.height,
  37                        nsDeviceContext::AppUnitsPerCSSPixel()));
  38   tmp.Append('}');
  39   fputs(NS_LossyConvertUTF16toASCII(tmp).get(), out);
  40   return out;
  41 }
  42
  43 #endif // DEBUG