/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "nsRect.h" #include "mozilla/gfx/Types.h" // for NS_SIDE_BOTTOM, etc #include "mozilla/CheckedInt.h" // for CheckedInt #include "nsDeviceContext.h" // for nsDeviceContext #include "nsString.h" // for nsAutoString, etc #include "nsMargin.h" // for nsMargin static_assert((int(NS_SIDE_TOP) == 0) && (int(NS_SIDE_RIGHT) == 1) && (int(NS_SIDE_BOTTOM) == 2) && (int(NS_SIDE_LEFT) == 3), "The mozilla::css::Side sequence must match the nsMargin nscoord sequence"); const mozilla::gfx::IntRect& GetMaxSizedIntRect() { static const mozilla::gfx::IntRect r(0, 0, INT32_MAX, INT32_MAX); return r; } bool nsRect::Overflows() const { #ifdef NS_COORD_IS_FLOAT return false; #else mozilla::CheckedInt<int32_t> xMost = this->x; xMost += this->width; mozilla::CheckedInt<int32_t> yMost = this->y; yMost += this->height; return !xMost.isValid() || !yMost.isValid(); #endif } #ifdef DEBUG // Diagnostics FILE* operator<<(FILE* out, const nsRect& rect) { nsAutoString tmp; // Output the coordinates in fractional pixels so they're easier to read tmp.Append('{'); tmp.AppendFloat(NSAppUnitsToFloatPixels(rect.x, nsDeviceContext::AppUnitsPerCSSPixel())); tmp.AppendLiteral(", "); tmp.AppendFloat(NSAppUnitsToFloatPixels(rect.y, nsDeviceContext::AppUnitsPerCSSPixel())); tmp.AppendLiteral(", "); tmp.AppendFloat(NSAppUnitsToFloatPixels(rect.width, nsDeviceContext::AppUnitsPerCSSPixel())); tmp.AppendLiteral(", "); tmp.AppendFloat(NSAppUnitsToFloatPixels(rect.height, nsDeviceContext::AppUnitsPerCSSPixel())); tmp.Append('}'); fputs(NS_LossyConvertUTF16toASCII(tmp).get(), out); return out; } #endif // DEBUG