зеркало из https://github.com/mozilla/gecko-dev.git
221 строка
7.7 KiB
C++
221 строка
7.7 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Oracle Corporation code.
|
|
*
|
|
* The Initial Developer of the Original Code is Oracle Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2005
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Stuart Parmenter <pavlov@pavlov.net>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef GFX_RECT_H
|
|
#define GFX_RECT_H
|
|
|
|
#include "nsAlgorithm.h"
|
|
#include "gfxTypes.h"
|
|
#include "gfxPoint.h"
|
|
#include "gfxCore.h"
|
|
#include "nsDebug.h"
|
|
#include "mozilla/gfx/BaseMargin.h"
|
|
#include "mozilla/gfx/BaseRect.h"
|
|
#include "mozilla/Assertions.h"
|
|
#include "nsRect.h"
|
|
|
|
struct gfxMargin : public mozilla::gfx::BaseMargin<gfxFloat, gfxMargin> {
|
|
typedef mozilla::gfx::BaseMargin<gfxFloat, gfxMargin> Super;
|
|
|
|
// Constructors
|
|
gfxMargin() : Super() {}
|
|
gfxMargin(const gfxMargin& aMargin) : Super(aMargin) {}
|
|
gfxMargin(gfxFloat aLeft, gfxFloat aTop, gfxFloat aRight, gfxFloat aBottom)
|
|
: Super(aLeft, aTop, aRight, aBottom) {}
|
|
};
|
|
|
|
namespace mozilla {
|
|
namespace css {
|
|
enum Corner {
|
|
// this order is important!
|
|
eCornerTopLeft = 0,
|
|
eCornerTopRight = 1,
|
|
eCornerBottomRight = 2,
|
|
eCornerBottomLeft = 3,
|
|
eNumCorners = 4
|
|
};
|
|
}
|
|
}
|
|
#define NS_CORNER_TOP_LEFT mozilla::css::eCornerTopLeft
|
|
#define NS_CORNER_TOP_RIGHT mozilla::css::eCornerTopRight
|
|
#define NS_CORNER_BOTTOM_RIGHT mozilla::css::eCornerBottomRight
|
|
#define NS_CORNER_BOTTOM_LEFT mozilla::css::eCornerBottomLeft
|
|
#define NS_NUM_CORNERS mozilla::css::eNumCorners
|
|
|
|
#define NS_FOR_CSS_CORNERS(var_) \
|
|
for (mozilla::css::Corner var_ = NS_CORNER_TOP_LEFT; \
|
|
var_ <= NS_CORNER_BOTTOM_LEFT; \
|
|
var_++)
|
|
|
|
static inline mozilla::css::Corner operator++(mozilla::css::Corner& corner, int) {
|
|
NS_PRECONDITION(corner >= NS_CORNER_TOP_LEFT &&
|
|
corner < NS_NUM_CORNERS, "Out of range corner");
|
|
corner = mozilla::css::Corner(corner + 1);
|
|
return corner;
|
|
}
|
|
|
|
struct THEBES_API gfxRect :
|
|
public mozilla::gfx::BaseRect<gfxFloat, gfxRect, gfxPoint, gfxSize, gfxMargin> {
|
|
typedef mozilla::gfx::BaseRect<gfxFloat, gfxRect, gfxPoint, gfxSize, gfxMargin> Super;
|
|
|
|
gfxRect() : Super() {}
|
|
gfxRect(const gfxPoint& aPos, const gfxSize& aSize) :
|
|
Super(aPos, aSize) {}
|
|
gfxRect(gfxFloat aX, gfxFloat aY, gfxFloat aWidth, gfxFloat aHeight) :
|
|
Super(aX, aY, aWidth, aHeight) {}
|
|
gfxRect(const nsIntRect& aRect) :
|
|
Super(aRect.x, aRect.y, aRect.width, aRect.height) {}
|
|
|
|
/**
|
|
* Return true if all components of this rect are within
|
|
* aEpsilon of integer coordinates, defined as
|
|
* |round(coord) - coord| <= |aEpsilon|
|
|
* for x,y,width,height.
|
|
*/
|
|
bool WithinEpsilonOfIntegerPixels(gfxFloat aEpsilon) const;
|
|
|
|
gfxPoint AtCorner(mozilla::css::Corner corner) const {
|
|
switch (corner) {
|
|
case NS_CORNER_TOP_LEFT: return TopLeft();
|
|
case NS_CORNER_TOP_RIGHT: return TopRight();
|
|
case NS_CORNER_BOTTOM_RIGHT: return BottomRight();
|
|
case NS_CORNER_BOTTOM_LEFT: return BottomLeft();
|
|
default:
|
|
NS_ERROR("Invalid corner!");
|
|
break;
|
|
}
|
|
return gfxPoint(0.0, 0.0);
|
|
}
|
|
|
|
gfxPoint CCWCorner(mozilla::css::Side side) const {
|
|
switch (side) {
|
|
case NS_SIDE_TOP: return TopLeft();
|
|
case NS_SIDE_RIGHT: return TopRight();
|
|
case NS_SIDE_BOTTOM: return BottomRight();
|
|
case NS_SIDE_LEFT: return BottomLeft();
|
|
}
|
|
MOZ_NOT_REACHED("Incomplet switch");
|
|
}
|
|
|
|
gfxPoint CWCorner(mozilla::css::Side side) const {
|
|
switch (side) {
|
|
case NS_SIDE_TOP: return TopRight();
|
|
case NS_SIDE_RIGHT: return BottomRight();
|
|
case NS_SIDE_BOTTOM: return BottomLeft();
|
|
case NS_SIDE_LEFT: return TopLeft();
|
|
}
|
|
MOZ_NOT_REACHED("Incomplet switch");
|
|
}
|
|
|
|
/* Conditions this border to Cairo's max coordinate space.
|
|
* The caller can check IsEmpty() after Condition() -- if it's TRUE,
|
|
* the caller can possibly avoid doing any extra rendering.
|
|
*/
|
|
void Condition();
|
|
|
|
void Scale(gfxFloat k) {
|
|
NS_ASSERTION(k >= 0.0, "Invalid (negative) scale factor");
|
|
x *= k;
|
|
y *= k;
|
|
width *= k;
|
|
height *= k;
|
|
}
|
|
|
|
void Scale(gfxFloat sx, gfxFloat sy) {
|
|
NS_ASSERTION(sx >= 0.0, "Invalid (negative) scale factor");
|
|
NS_ASSERTION(sy >= 0.0, "Invalid (negative) scale factor");
|
|
x *= sx;
|
|
y *= sy;
|
|
width *= sx;
|
|
height *= sy;
|
|
}
|
|
|
|
void ScaleInverse(gfxFloat k) {
|
|
NS_ASSERTION(k > 0.0, "Invalid (negative) scale factor");
|
|
x /= k;
|
|
y /= k;
|
|
width /= k;
|
|
height /= k;
|
|
}
|
|
};
|
|
|
|
struct THEBES_API gfxCornerSizes {
|
|
gfxSize sizes[NS_NUM_CORNERS];
|
|
|
|
gfxCornerSizes () { }
|
|
|
|
gfxCornerSizes (gfxFloat v) {
|
|
for (int i = 0; i < NS_NUM_CORNERS; i++)
|
|
sizes[i].SizeTo(v, v);
|
|
}
|
|
|
|
gfxCornerSizes (gfxFloat tl, gfxFloat tr, gfxFloat br, gfxFloat bl) {
|
|
sizes[NS_CORNER_TOP_LEFT].SizeTo(tl, tl);
|
|
sizes[NS_CORNER_TOP_RIGHT].SizeTo(tr, tr);
|
|
sizes[NS_CORNER_BOTTOM_RIGHT].SizeTo(br, br);
|
|
sizes[NS_CORNER_BOTTOM_LEFT].SizeTo(bl, bl);
|
|
}
|
|
|
|
gfxCornerSizes (const gfxSize& tl, const gfxSize& tr, const gfxSize& br, const gfxSize& bl) {
|
|
sizes[NS_CORNER_TOP_LEFT] = tl;
|
|
sizes[NS_CORNER_TOP_RIGHT] = tr;
|
|
sizes[NS_CORNER_BOTTOM_RIGHT] = br;
|
|
sizes[NS_CORNER_BOTTOM_LEFT] = bl;
|
|
}
|
|
|
|
const gfxSize& operator[] (mozilla::css::Corner index) const {
|
|
return sizes[index];
|
|
}
|
|
|
|
gfxSize& operator[] (mozilla::css::Corner index) {
|
|
return sizes[index];
|
|
}
|
|
|
|
const gfxSize TopLeft() const { return sizes[NS_CORNER_TOP_LEFT]; }
|
|
gfxSize& TopLeft() { return sizes[NS_CORNER_TOP_LEFT]; }
|
|
|
|
const gfxSize TopRight() const { return sizes[NS_CORNER_TOP_RIGHT]; }
|
|
gfxSize& TopRight() { return sizes[NS_CORNER_TOP_RIGHT]; }
|
|
|
|
const gfxSize BottomLeft() const { return sizes[NS_CORNER_BOTTOM_LEFT]; }
|
|
gfxSize& BottomLeft() { return sizes[NS_CORNER_BOTTOM_LEFT]; }
|
|
|
|
const gfxSize BottomRight() const { return sizes[NS_CORNER_BOTTOM_RIGHT]; }
|
|
gfxSize& BottomRight() { return sizes[NS_CORNER_BOTTOM_RIGHT]; }
|
|
};
|
|
#endif /* GFX_RECT_H */
|