1 /* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
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 /* struct containing the output from nsIFrame::Reflow */
7
8 #include "mozilla/ReflowOutput.h"
9 #include "mozilla/ReflowInput.h"
10
11 void
UnionWith(const nsOverflowAreas & aOther)12 nsOverflowAreas::UnionWith(const nsOverflowAreas& aOther)
13 {
14 // FIXME: We should probably change scrollable overflow to use
15 // UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
16 NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
17 mRects[otype].UnionRect(mRects[otype], aOther.mRects[otype]);
18 }
19 }
20
21 void
UnionAllWith(const nsRect & aRect)22 nsOverflowAreas::UnionAllWith(const nsRect& aRect)
23 {
24 // FIXME: We should probably change scrollable overflow to use
25 // UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
26 NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
27 mRects[otype].UnionRect(mRects[otype], aRect);
28 }
29 }
30
31 void
SetAllTo(const nsRect & aRect)32 nsOverflowAreas::SetAllTo(const nsRect& aRect)
33 {
34 NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
35 mRects[otype] = aRect;
36 }
37 }
38
ReflowOutput(const ReflowInput & aState,uint32_t aFlags)39 ReflowOutput::ReflowOutput(const ReflowInput& aState,
40 uint32_t aFlags)
41 : mISize(0)
42 , mBSize(0)
43 , mBlockStartAscent(ASK_FOR_BASELINE)
44 , mFlags(aFlags)
45 , mWritingMode(aState.GetWritingMode())
46 {
47 }
48
49 void
SetOverflowAreasToDesiredBounds()50 ReflowOutput::SetOverflowAreasToDesiredBounds()
51 {
52 NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
53 mOverflowAreas.Overflow(otype).SetRect(0, 0, Width(), Height());
54 }
55 }
56
57 void
UnionOverflowAreasWithDesiredBounds()58 ReflowOutput::UnionOverflowAreasWithDesiredBounds()
59 {
60 // FIXME: We should probably change scrollable overflow to use
61 // UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
62 nsRect rect(0, 0, Width(), Height());
63 NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
64 nsRect& o = mOverflowAreas.Overflow(otype);
65 o.UnionRect(o, rect);
66 }
67 }
68