mirror of https://github.com/dcoredump/dexed.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
172 lines
7.9 KiB
172 lines
7.9 KiB
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2015 - ROLI Ltd.
|
|
|
|
Permission is granted to use this software under the terms of either:
|
|
a) the GPL v2 (or any later version)
|
|
b) the Affero GPL v3
|
|
|
|
Details of these licenses can be found at: www.gnu.org/licenses
|
|
|
|
JUCE 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 General Public License for more details.
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
|
available: visit www.juce.com for more information.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#ifndef JUCE_RECTANGLEPLACEMENT_H_INCLUDED
|
|
#define JUCE_RECTANGLEPLACEMENT_H_INCLUDED
|
|
|
|
|
|
//==============================================================================
|
|
/**
|
|
Defines the method used to postion some kind of rectangular object within
|
|
a rectangular viewport.
|
|
|
|
Although similar to Justification, this is more specific, and has some extra
|
|
options.
|
|
*/
|
|
class JUCE_API RectanglePlacement
|
|
{
|
|
public:
|
|
//==============================================================================
|
|
/** Creates a RectanglePlacement object using a combination of flags from the Flags enum. */
|
|
inline RectanglePlacement (int placementFlags) noexcept : flags (placementFlags) {}
|
|
|
|
/** Creates a default RectanglePlacement object, which is equivalent to using the 'centred' flag. */
|
|
inline RectanglePlacement() noexcept : flags (centred) {}
|
|
|
|
/** Creates a copy of another RectanglePlacement object. */
|
|
RectanglePlacement (const RectanglePlacement&) noexcept;
|
|
|
|
/** Copies another RectanglePlacement object. */
|
|
RectanglePlacement& operator= (const RectanglePlacement&) noexcept;
|
|
|
|
bool operator== (const RectanglePlacement&) const noexcept;
|
|
bool operator!= (const RectanglePlacement&) const noexcept;
|
|
|
|
//==============================================================================
|
|
/** Flag values that can be combined and used in the constructor. */
|
|
enum Flags
|
|
{
|
|
//==============================================================================
|
|
/** Indicates that the source rectangle's left edge should be aligned with the left edge of the target rectangle. */
|
|
xLeft = 1,
|
|
|
|
/** Indicates that the source rectangle's right edge should be aligned with the right edge of the target rectangle. */
|
|
xRight = 2,
|
|
|
|
/** Indicates that the source should be placed in the centre between the left and right
|
|
sides of the available space. */
|
|
xMid = 4,
|
|
|
|
//==============================================================================
|
|
/** Indicates that the source's top edge should be aligned with the top edge of the
|
|
destination rectangle. */
|
|
yTop = 8,
|
|
|
|
/** Indicates that the source's bottom edge should be aligned with the bottom edge of the
|
|
destination rectangle. */
|
|
yBottom = 16,
|
|
|
|
/** Indicates that the source should be placed in the centre between the top and bottom
|
|
sides of the available space. */
|
|
yMid = 32,
|
|
|
|
//==============================================================================
|
|
/** If this flag is set, then the source rectangle will be resized to completely fill
|
|
the destination rectangle, and all other flags are ignored.
|
|
*/
|
|
stretchToFit = 64,
|
|
|
|
//==============================================================================
|
|
/** If this flag is set, then the source rectangle will be resized so that it is the
|
|
minimum size to completely fill the destination rectangle, without changing its
|
|
aspect ratio. This means that some of the source rectangle may fall outside
|
|
the destination.
|
|
|
|
If this flag is not set, the source will be given the maximum size at which none
|
|
of it falls outside the destination rectangle.
|
|
*/
|
|
fillDestination = 128,
|
|
|
|
/** Indicates that the source rectangle can be reduced in size if required, but should
|
|
never be made larger than its original size.
|
|
*/
|
|
onlyReduceInSize = 256,
|
|
|
|
/** Indicates that the source rectangle can be enlarged if required, but should
|
|
never be made smaller than its original size.
|
|
*/
|
|
onlyIncreaseInSize = 512,
|
|
|
|
/** Indicates that the source rectangle's size should be left unchanged.
|
|
*/
|
|
doNotResize = (onlyIncreaseInSize | onlyReduceInSize),
|
|
|
|
//==============================================================================
|
|
/** A shorthand value that is equivalent to (xMid | yMid). */
|
|
centred = 4 + 32
|
|
};
|
|
|
|
//==============================================================================
|
|
/** Returns the raw flags that are set for this object. */
|
|
inline int getFlags() const noexcept { return flags; }
|
|
|
|
/** Tests a set of flags for this object.
|
|
|
|
@returns true if any of the flags passed in are set on this object.
|
|
*/
|
|
inline bool testFlags (int flagsToTest) const noexcept { return (flags & flagsToTest) != 0; }
|
|
|
|
|
|
//==============================================================================
|
|
/** Adjusts the position and size of a rectangle to fit it into a space.
|
|
|
|
The source rectangle coordinates will be adjusted so that they fit into
|
|
the destination rectangle based on this object's flags.
|
|
*/
|
|
void applyTo (double& sourceX,
|
|
double& sourceY,
|
|
double& sourceW,
|
|
double& sourceH,
|
|
double destinationX,
|
|
double destinationY,
|
|
double destinationW,
|
|
double destinationH) const noexcept;
|
|
|
|
/** Returns the rectangle that should be used to fit the given source rectangle
|
|
into the destination rectangle using the current flags.
|
|
*/
|
|
template <typename ValueType>
|
|
Rectangle<ValueType> appliedTo (const Rectangle<ValueType>& source,
|
|
const Rectangle<ValueType>& destination) const noexcept
|
|
{
|
|
double x = source.getX(), y = source.getY(), w = source.getWidth(), h = source.getHeight();
|
|
applyTo (x, y, w, h, static_cast <double> (destination.getX()), static_cast <double> (destination.getY()),
|
|
static_cast <double> (destination.getWidth()), static_cast <double> (destination.getHeight()));
|
|
return Rectangle<ValueType> (static_cast <ValueType> (x), static_cast <ValueType> (y),
|
|
static_cast <ValueType> (w), static_cast <ValueType> (h));
|
|
}
|
|
|
|
/** Returns the transform that should be applied to these source coordinates to fit them
|
|
into the destination rectangle using the current flags.
|
|
*/
|
|
AffineTransform getTransformToFit (const Rectangle<float>& source,
|
|
const Rectangle<float>& destination) const noexcept;
|
|
|
|
|
|
private:
|
|
//==============================================================================
|
|
int flags;
|
|
};
|
|
|
|
#endif // JUCE_RECTANGLEPLACEMENT_H_INCLUDED
|
|
|