| /* |
| Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| Copyright (C) 2006, 2008 Apple Inc. All rights reserved. |
| Copyright (C) 2011 Rik Cabanier (cabanier@adobe.com) |
| Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. |
| Copyright (C) 2012 Motorola Mobility, Inc. All rights reserved. |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "third_party/blink/renderer/platform/geometry/length_functions.h" |
| |
| #include "third_party/blink/renderer/platform/geometry/float_point.h" |
| #include "third_party/blink/renderer/platform/geometry/float_size.h" |
| #include "third_party/blink/renderer/platform/geometry/layout_unit.h" |
| #include "third_party/blink/renderer/platform/geometry/length_point.h" |
| #include "third_party/blink/renderer/platform/geometry/length_size.h" |
| |
| namespace blink { |
| |
| int IntValueForLength(const Length& length, int maximum_value) { |
| return ValueForLength(length, LayoutUnit(maximum_value)).ToInt(); |
| } |
| |
| float FloatValueForLength(const Length& length, float maximum_value) { |
| switch (length.GetType()) { |
| case Length::kFixed: |
| return length.GetFloatValue(); |
| case Length::kPercent: |
| return clampTo<float>(maximum_value * length.Percent() / 100.0f); |
| case Length::kFillAvailable: |
| case Length::kAuto: |
| return static_cast<float>(maximum_value); |
| case Length::kCalculated: |
| return length.NonNanCalculatedValue(LayoutUnit(maximum_value)); |
| case Length::kMinContent: |
| case Length::kMaxContent: |
| case Length::kMinIntrinsic: |
| case Length::kFitContent: |
| case Length::kExtendToZoom: |
| case Length::kDeviceWidth: |
| case Length::kDeviceHeight: |
| case Length::kNone: |
| NOTREACHED(); |
| return 0; |
| } |
| NOTREACHED(); |
| return 0; |
| } |
| |
| LayoutUnit MinimumValueForLengthInternal(const Length& length, |
| LayoutUnit maximum_value) { |
| switch (length.GetType()) { |
| case Length::kPercent: |
| // Don't remove the extra cast to float. It is needed for rounding on |
| // 32-bit Intel machines that use the FPU stack. |
| return LayoutUnit( |
| static_cast<float>(maximum_value * length.Percent() / 100.0f)); |
| case Length::kCalculated: |
| return LayoutUnit(length.NonNanCalculatedValue(maximum_value)); |
| case Length::kFillAvailable: |
| case Length::kAuto: |
| return LayoutUnit(); |
| case Length::kFixed: |
| case Length::kMinContent: |
| case Length::kMaxContent: |
| case Length::kMinIntrinsic: |
| case Length::kFitContent: |
| case Length::kExtendToZoom: |
| case Length::kDeviceWidth: |
| case Length::kDeviceHeight: |
| case Length::kNone: |
| NOTREACHED(); |
| return LayoutUnit(); |
| } |
| NOTREACHED(); |
| return LayoutUnit(); |
| } |
| |
| LayoutUnit ValueForLength(const Length& length, LayoutUnit maximum_value) { |
| switch (length.GetType()) { |
| case Length::kFixed: |
| case Length::kPercent: |
| case Length::kCalculated: |
| return MinimumValueForLength(length, maximum_value); |
| case Length::kFillAvailable: |
| case Length::kAuto: |
| return maximum_value; |
| case Length::kMinContent: |
| case Length::kMaxContent: |
| case Length::kMinIntrinsic: |
| case Length::kFitContent: |
| case Length::kExtendToZoom: |
| case Length::kDeviceWidth: |
| case Length::kDeviceHeight: |
| case Length::kNone: |
| NOTREACHED(); |
| return LayoutUnit(); |
| } |
| NOTREACHED(); |
| return LayoutUnit(); |
| } |
| |
| FloatSize FloatSizeForLengthSize(const LengthSize& length_size, |
| const FloatSize& box_size) { |
| return FloatSize( |
| FloatValueForLength(length_size.Width(), box_size.Width()), |
| FloatValueForLength(length_size.Height(), box_size.Height())); |
| } |
| |
| FloatPoint FloatPointForLengthPoint(const LengthPoint& length_point, |
| const FloatSize& box_size) { |
| return FloatPoint(FloatValueForLength(length_point.X(), box_size.Width()), |
| FloatValueForLength(length_point.Y(), box_size.Height())); |
| } |
| |
| } // namespace blink |