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SkIPoint Reference
===
# <a name="IPoint"></a> IPoint
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## <a name="Overview"></a> Overview
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## <a name="Overview_Subtopic"></a> Overview Subtopic
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| name | description |
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| --- | --- |
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| < a href = "#Constructor" > Constructor< / a > | functions that construct < a href = "#SkIPoint" > SkIPoint< / a > |
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| < a href = "#Member_Function" > Member Function< / a > | static functions and member methods |
| < a href = "#Member" > Member< / a > | member values |
| < a href = "#Operator" > Operator< / a > | operator overloading methods |
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| < a href = "#Related_Function" > Related Function< / a > | similar methods grouped together |
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# <a name="SkIPoint"></a> Struct SkIPoint
< a href = "#SkIPoint" > SkIPoint< / a > holds two 32 bit integer coordinates.
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## <a name="Related_Function"></a> Related Function
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| name | description |
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| --- | --- |
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| < a href = "#Property" > Property< / a > | member values |
| < a href = "#Set" > Set< / a > | replaces all values |
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## <a name="Member_Function"></a> Member Function
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| name | description |
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| --- | --- |
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| < a href = "#SkIPoint_Make" > Make< / a > | constructs from integer inputs |
| < a href = "#SkIPoint_equals" > equals< / a > | returns true if members are equal |
| < a href = "#SkIPoint_isZero" > isZero< / a > | returns true if both members equal zero |
| < a href = "#SkIPoint_set" > set< / a > | sets to integer input |
| < a href = "#SkIPoint_x" > x< / a > | returns < a href = "#SkIPoint_fX" > fX< / a > |
| < a href = "#SkIPoint_y" > y< / a > | returns < a href = "#SkIPoint_fY" > fY< / a > |
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## <a name="Member"></a> Member
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| name | description |
| --- | --- |
| < a href = "#SkIPoint_fX" > fX< / a > | x-axis value |
| < a href = "#SkIPoint_fY" > fY< / a > | y-axis value |
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< a name = "SkIPoint_fX" > < code > < strong > int32_t fX< / strong > < / code > < / a >
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x-axis value used by < a href = "#IPoint" > IPoint< / a > .
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< a name = "SkIPoint_fY" > < code > < strong > int32_t fY< / strong > < / code > < / a >
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y-axis value used by < a href = "#IPoint" > IPoint< / a > .
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## <a name="Constructor"></a> Constructor
| name | description |
| --- | --- |
| < a href = "#SkIPoint_Make" > Make< / a > | constructs from integer inputs |
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< a name = "SkIPoint_Make" > < / a >
## Make
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
static constexpr SkIPoint Make(int32_t x, int32_t y)
< / pre >
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Sets < a href = "#SkIPoint_fX" > fX< / a > to x, < a href = "#SkIPoint_fY" > fY< / a > to y.
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### Parameters
< table > < tr > < td > < a name = "SkIPoint_Make_x" > < code > < strong > x < / strong > < / code > < / a > < / td > < td >
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integer x-axis value of constructed < a href = "#IPoint" > IPoint< / a > < / td >
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< / tr > < tr > < td > < a name = "SkIPoint_Make_y" > < code > < strong > y < / strong > < / code > < / a > < / td > < td >
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integer y-axis value of constructed < a href = "#IPoint" > IPoint< / a > < / td >
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< / tr >
< / table >
### Return Value
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< a href = "#IPoint" > IPoint< / a > (x, y)
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### Example
< div > < fiddle-embed name = "e5cf5159525bd3140f288a95fe641fae" >
#### Example Output
~~~~
pt1 == pt2
~~~~
< / fiddle-embed > < / div >
### See Also
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< a href = "#SkIPoint_set" > set< / a > < a href = "SkPoint_Reference#SkPoint_iset" > SkPoint::iset()< / a > < sup > < a href = "SkPoint_Reference#SkPoint_iset_2" > [2]< / a > < / sup > < a href = "SkPoint_Reference#SkPoint_Make" > SkPoint::Make< / a > < a href = "SkIPoint16_Reference#SkIPoint16_Make" > SkIPoint16::Make< / a >
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---
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## <a name="Property"></a> Property
| name | description |
| --- | --- |
| < a href = "#SkIPoint_isZero" > isZero< / a > | returns true if both members equal zero |
| < a href = "#SkIPoint_x" > x< / a > | returns < a href = "#SkIPoint_fX" > fX< / a > |
| < a href = "#SkIPoint_y" > y< / a > | returns < a href = "#SkIPoint_fY" > fY< / a > |
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< a name = "SkIPoint_x" > < / a >
## x
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
int32_t x() const
< / pre >
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Returns x-axis value of < a href = "#IPoint" > IPoint< / a > .
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### Return Value
< a href = "#SkIPoint_fX" > fX< / a >
### Example
< div > < fiddle-embed name = "eed4185294f8a8216fc354e6ee6b2e3a" >
#### Example Output
~~~~
pt1.fX == pt1.x()
~~~~
< / fiddle-embed > < / div >
### See Also
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< a href = "#SkIPoint_y" > y< / a > < a href = "SkPoint_Reference#SkPoint_x" > SkPoint::x()< / a > < a href = "SkIPoint16_Reference#SkIPoint16_x" > SkIPoint16::x()< / a >
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---
< a name = "SkIPoint_y" > < / a >
## y
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
int32_t y() const
< / pre >
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Returns y-axis value of < a href = "#IPoint" > IPoint< / a > .
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### Return Value
< a href = "#SkIPoint_fY" > fY< / a >
### Example
< div > < fiddle-embed name = "35c41b8ba7cebf8c9a7a8494e610e14d" >
#### Example Output
~~~~
pt1.fY == pt1.y()
~~~~
< / fiddle-embed > < / div >
### See Also
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< a href = "#SkIPoint_x" > x< / a > < a href = "SkPoint_Reference#SkPoint_y" > SkPoint::y()< / a > < a href = "SkIPoint16_Reference#SkIPoint16_y" > SkIPoint16::y()< / a >
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---
< a name = "SkIPoint_isZero" > < / a >
## isZero
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
bool isZero() const
< / pre >
Returns true if < a href = "#SkIPoint_fX" > fX< / a > and < a href = "#SkIPoint_fY" > fY< / a > are both zero.
### Return Value
true if < a href = "#SkIPoint_fX" > fX< / a > is zero and < a href = "#SkIPoint_fY" > fY< / a > is zero
### Example
< div > < fiddle-embed name = "658c1df611b4577cc7e0bb384e95737e" >
#### Example Output
~~~~
pt.isZero() == true
~~~~
< / fiddle-embed > < / div >
### See Also
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< a href = "SkPoint_Reference#SkPoint_isZero" > SkPoint::isZero< / a >
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---
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## <a name="Set"></a> Set
| name | description |
| --- | --- |
| < a href = "#SkIPoint_set" > set< / a > | sets to integer input |
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< a name = "SkIPoint_set" > < / a >
## set
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
void set(int32_t x, int32_t y)
< / pre >
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Sets < a href = "#SkIPoint_fX" > fX< / a > to x and < a href = "#SkIPoint_fY" > fY< / a > to y.
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### Parameters
< table > < tr > < td > < a name = "SkIPoint_set_x" > < code > < strong > x < / strong > < / code > < / a > < / td > < td >
new value for < a href = "#SkIPoint_fX" > fX< / a > < / td >
< / tr > < tr > < td > < a name = "SkIPoint_set_y" > < code > < strong > y < / strong > < / code > < / a > < / td > < td >
new value for < a href = "#SkIPoint_fY" > fY< / a > < / td >
< / tr >
< / table >
### Example
< div > < fiddle-embed name = "165418b5718d79d8f1682a8a0ee32ba0" >
#### Example Output
~~~~
pt1 == pt2
~~~~
< / fiddle-embed > < / div >
### See Also
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< a href = "#SkIPoint_Make" > Make< / a > < a href = "SkIPoint16_Reference#SkIPoint16_set" > SkIPoint16::set< / a >
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---
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## <a name="Operator"></a> Operator
| name | description |
| --- | --- |
| < a href = "#SkIPoint_equals" > equals< / a > | returns true if members are equal |
| < a href = "#SkIPoint_notequal_operator" > operator!=(const SkIPoint& a, const SkIPoint& b)< / a > | returns true if < a href = "#IPoint" > IPoints< / a > are unequal |
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| < a href = "#SkIPoint_add_operator" > operator+(const SkIPoint& a, const SkIVector& b)< / a > | returns < a href = "#IPoint" > IPoint< / a > offset by < a href = "#IVector" > IVector< / a > |
| < a href = "#SkIPoint_addto_operator" > operator+=(const SkIVector& v)< / a > | adds < a href = "#IVector" > IVector< / a > to < a href = "#IPoint" > IPoint< / a > |
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| < a href = "#SkIPoint_minus_operator" > operator-() const< / a > | reverses sign of < a href = "#IPoint" > IPoint< / a > |
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| < a href = "#SkIPoint_subtract_operator" > operator-(const SkIPoint& a, const SkIPoint& b)< / a > | returns < a href = "#IVector" > IVector< / a > between < a href = "#IPoint" > IPoints< / a > |
| < a href = "#SkIPoint_subtractfrom_operator" > operator-=(const SkIVector& v)< / a > | subtracts < a href = "#IVector" > IVector< / a > from < a href = "#IPoint" > IPoint< / a > |
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| < a href = "#SkIPoint_equal_operator" > operator==(const SkIPoint& a, const SkIPoint& b)< / a > | returns true if < a href = "#IPoint" > IPoints< / a > are equal |
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< a name = "SkIPoint_minus_operator" > < / a >
## operator-
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
SkIPoint operator-() _const
< / pre >
Returns < a href = "#IPoint" > IPoint< / a > changing the signs of < a href = "#SkIPoint_fX" > fX< / a > and < a href = "#SkIPoint_fY" > fY< / a > .
### Return Value
< a href = "#IPoint" > IPoint< / a > as (-< a href = "#SkIPoint_fX" > fX< / a > , -< a href = "#SkIPoint_fY" > fY< / a > )
### Example
< div > < fiddle-embed name = "d283e8876366349aedd85b65cadb3706" >
#### Example Output
~~~~
pt: 0, 0 negate: 0, 0
pt: -1, -2 negate: 1, 2
pt: 2147483647, -2147483647 negate: -2147483647, 2147483647
pt: -2147483648, -2147483648 negate: -2147483648, -2147483648
~~~~
< / fiddle-embed > < / div >
### See Also
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< a href = "#SkIPoint_subtract_operator" > operator-(const SkIPoint& a, const SkIPoint& b)< / a > < a href = "#SkIPoint_subtractfrom_operator" > operator-=(const SkIVector& v)< / a > < a href = "SkPoint_Reference#SkPoint_minus_operator" > SkPoint::operator-() const< / a >
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---
< a name = "SkIPoint_addto_operator" > < / a >
## operator+=
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
void operator+=(const SkIVector& v)
< / pre >
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Offsets < a href = "#IPoint" > IPoint< / a > by < a href = "#IVector" > IVector< / a > < a href = "#SkIPoint_addto_operator_v" > v< / a > . Sets < a href = "#IPoint" > IPoint< / a > to(< a href = "#SkIPoint_fX" > fX< / a > + < a href = "#SkIPoint_addto_operator_v" > v< / a > .< a href = "#SkIPoint_fX" > fX< / a > , < a href = "#SkIPoint_fY" > fY< / a > + < a href = "#SkIPoint_addto_operator_v" > v< / a > .< a href = "#SkIPoint_fY" > fY< / a > ).
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### Parameters
< table > < tr > < td > < a name = "SkIPoint_addto_operator_v" > < code > < strong > v < / strong > < / code > < / a > < / td > < td >
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< a href = "#IVector" > IVector< / a > to add< / td >
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< / tr >
< / table >
### Example
< div > < fiddle-embed name = "4eb2d95c9e9a66f05296e345bb68bd51" > < / fiddle-embed > < / div >
### See Also
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< a href = "#SkIPoint_add_operator" > operator+(const SkIPoint& a, const SkIVector& b)< / a > < a href = "SkPoint_Reference#SkPoint_addto_operator" > SkPoint::operator+=(const SkVector& v)< / a >
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---
< a name = "SkIPoint_subtractfrom_operator" > < / a >
## operator-=
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
void operator-=(const SkIVector& v)
< / pre >
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Subtracts < a href = "#IVector" > IVector< / a > < a href = "#SkIPoint_subtractfrom_operator_v" > v< / a > from < a href = "#IPoint" > IPoint< / a > . Sets < a href = "#IPoint" > IPoint< / a > to:
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(< a href = "#SkIPoint_fX" > fX< / a > - < a href = "#SkIPoint_subtractfrom_operator_v" > v< / a > .< a href = "#SkIPoint_fX" > fX< / a > , < a href = "#SkIPoint_fY" > fY< / a > - < a href = "#SkIPoint_subtractfrom_operator_v" > v< / a > .< a href = "#SkIPoint_fY" > fY< / a > ).
### Parameters
< table > < tr > < td > < a name = "SkIPoint_subtractfrom_operator_v" > < code > < strong > v < / strong > < / code > < / a > < / td > < td >
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< a href = "#IVector" > IVector< / a > to subtract< / td >
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< / tr >
< / table >
### Example
< div > < fiddle-embed name = "a01e533dc7ab34ed728dc4e7a5f1f0ee" > < / fiddle-embed > < / div >
### See Also
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< a href = "#SkIPoint_subtract_operator" > operator-(const SkIPoint& a, const SkIPoint& b)< / a > < a href = "SkPoint_Reference#SkPoint_subtractfrom_operator" > SkPoint::operator-=(const SkVector& v)< / a >
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---
< a name = "SkIPoint_equals" > < / a >
## equals
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
bool equals(int32_t x, int32_t y) const
< / pre >
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Returns true if < a href = "#IPoint" > IPoint< / a > is equivalent to < a href = "#IPoint" > IPoint< / a > constructed from (x, y).
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### Parameters
< table > < tr > < td > < a name = "SkIPoint_equals_x" > < code > < strong > x < / strong > < / code > < / a > < / td > < td >
value compared with < a href = "#SkIPoint_fX" > fX< / a > < / td >
< / tr > < tr > < td > < a name = "SkIPoint_equals_y" > < code > < strong > y < / strong > < / code > < / a > < / td > < td >
value compared with < a href = "#SkIPoint_fY" > fY< / a > < / td >
< / tr >
< / table >
### Return Value
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true if < a href = "#IPoint" > IPoint< / a > equals (x, y)
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### Example
< div > < fiddle-embed name = "64f575d36439d5b69aaed14ffeff1cc4" >
#### Example Output
~~~~
pt: 0, 0 == pt
pt: -1, -2 == pt
pt: 2147483647, -1 == pt
pt: -2147483648, -1 == pt
~~~~
< / fiddle-embed > < / div >
### See Also
< a href = "#SkIPoint_equal_operator" > operator==(const SkIPoint& a, const SkIPoint& b)< / a >
---
< a name = "SkIPoint_equal_operator" > < / a >
## operator==
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
bool operator==(const SkIPoint& a, const SkIPoint& b)
< / pre >
Returns true if < a href = "#SkIPoint_equal_operator_a" > a< / a > is equivalent to < a href = "#SkIPoint_equal_operator_b" > b< / a > .
### Parameters
< table > < tr > < td > < a name = "SkIPoint_equal_operator_a" > < code > < strong > a < / strong > < / code > < / a > < / td > < td >
< a href = "#IPoint" > IPoint< / a > to compare< / td >
< / tr > < tr > < td > < a name = "SkIPoint_equal_operator_b" > < code > < strong > b < / strong > < / code > < / a > < / td > < td >
< a href = "#IPoint" > IPoint< / a > to compare< / td >
< / tr >
< / table >
### Return Value
true if < a href = "#SkIPoint_equal_operator_a" > a< / a > .< a href = "#SkIPoint_fX" > fX< / a > == < a href = "#SkIPoint_equal_operator_b" > b< / a > .< a href = "#SkIPoint_fX" > fX< / a > and < a href = "#SkIPoint_equal_operator_a" > a< / a > .< a href = "#SkIPoint_fY" > fY< / a > == < a href = "#SkIPoint_equal_operator_b" > b< / a > .< a href = "#SkIPoint_fY" > fY< / a >
### Example
< div > < fiddle-embed name = "37ffe2817d720f99e6c252332ce70460" >
#### Example Output
~~~~
pt: 0, 0 == pt
pt: -1, -2 == pt
pt: 2147483647, -1 == pt
pt: -2147483648, -1 == pt
~~~~
< / fiddle-embed > < / div >
### See Also
< a href = "#SkIPoint_equals" > equals< / a > < a href = "#SkIPoint_notequal_operator" > operator!=(const SkIPoint& a, const SkIPoint& b)< / a >
---
< a name = "SkIPoint_notequal_operator" > < / a >
## operator!=
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
bool operator!=(const SkIPoint& a, const SkIPoint& b)
< / pre >
Returns true if < a href = "#SkIPoint_notequal_operator_a" > a< / a > is not equivalent to < a href = "#SkIPoint_notequal_operator_b" > b< / a > .
### Parameters
< table > < tr > < td > < a name = "SkIPoint_notequal_operator_a" > < code > < strong > a < / strong > < / code > < / a > < / td > < td >
< a href = "#IPoint" > IPoint< / a > to compare< / td >
< / tr > < tr > < td > < a name = "SkIPoint_notequal_operator_b" > < code > < strong > b < / strong > < / code > < / a > < / td > < td >
< a href = "#IPoint" > IPoint< / a > to compare< / td >
< / tr >
< / table >
### Return Value
true if < a href = "#SkIPoint_notequal_operator_a" > a< / a > .< a href = "#SkIPoint_fX" > fX< / a > != < a href = "#SkIPoint_notequal_operator_b" > b< / a > .< a href = "#SkIPoint_fX" > fX< / a > or < a href = "#SkIPoint_notequal_operator_a" > a< / a > .< a href = "#SkIPoint_fY" > fY< / a > != < a href = "#SkIPoint_notequal_operator_b" > b< / a > .< a href = "#SkIPoint_fY" > fY< / a >
### Example
< div > < fiddle-embed name = "dd89dc48dff69b53d99530b120f204bc" >
#### Example Output
~~~~
pt: 0, 0 == pt
pt: -1, -2 == pt
pt: 2147483647, -1 == pt
pt: -2147483648, -1 == pt
~~~~
< / fiddle-embed > < / div >
### See Also
< a href = "#SkIPoint_equal_operator" > operator==(const SkIPoint& a, const SkIPoint& b)< / a > < a href = "#SkIPoint_equals" > equals< / a >
---
< a name = "SkIPoint_subtract_operator" > < / a >
## operator-
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
SkIVector operator-(const SkIPoint& a, const SkIPoint& b)
< / pre >
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Returns < a href = "#IVector" > IVector< / a > from < a href = "#SkIPoint_subtract_operator_b" > b< / a > to < a href = "#SkIPoint_subtract_operator_a" > a< / a > ; computed as(< a href = "#SkIPoint_subtract_operator_a" > a< / a > .< a href = "#SkIPoint_fX" > fX< / a > - < a href = "#SkIPoint_subtract_operator_b" > b< / a > .< a href = "#SkIPoint_fX" > fX< / a > , < a href = "#SkIPoint_subtract_operator_a" > a< / a > .< a href = "#SkIPoint_fY" > fY< / a > - < a href = "#SkIPoint_subtract_operator_b" > b< / a > .< a href = "#SkIPoint_fY" > fY< / a > ).
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Can also be used to subtract < a href = "#IVector" > IVector< / a > from < a href = "#IVector" > IVector< / a > , returning < a href = "#IVector" > IVector< / a > .
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### Parameters
< table > < tr > < td > < a name = "SkIPoint_subtract_operator_a" > < code > < strong > a < / strong > < / code > < / a > < / td > < td >
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< a href = "#IPoint" > IPoint< / a > or < a href = "#IVector" > IVector< / a > to subtract from< / td >
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< / tr > < tr > < td > < a name = "SkIPoint_subtract_operator_b" > < code > < strong > b < / strong > < / code > < / a > < / td > < td >
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< a href = "#IVector" > IVector< / a > to subtract< / td >
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< / tr >
< / table >
### Return Value
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< a href = "#IVector" > IVector< / a > from < a href = "#SkIPoint_subtract_operator_b" > b< / a > to < a href = "#SkIPoint_subtract_operator_a" > a< / a >
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### Example
< div > < fiddle-embed name = "e626e26bf557857b824aa7d03f723e0f" > < / fiddle-embed > < / div >
### See Also
< a href = "#SkIPoint_subtractfrom_operator" > operator-=(const SkIVector& v)< / a >
---
< a name = "SkIPoint_add_operator" > < / a >
## operator+
< pre style = "padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0 " >
SkIPoint operator+(const SkIPoint& a, const SkIVector& b)
< / pre >
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Returns < a href = "#IPoint" > IPoint< / a > resulting from < a href = "#IPoint" > IPoint< / a > < a href = "#SkIPoint_add_operator_a" > a< / a > offset by < a href = "#IVector" > IVector< / a > < a href = "#SkIPoint_add_operator_b" > b< / a > , computed as:
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(< a href = "#SkIPoint_add_operator_a" > a< / a > .< a href = "#SkIPoint_fX" > fX< / a > + < a href = "#SkIPoint_add_operator_b" > b< / a > .< a href = "#SkIPoint_fX" > fX< / a > , < a href = "#SkIPoint_add_operator_a" > a< / a > .< a href = "#SkIPoint_fY" > fY< / a > + < a href = "#SkIPoint_add_operator_b" > b< / a > .< a href = "#SkIPoint_fY" > fY< / a > ).
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Can also be used to offset < a href = "#IPoint" > IPoint< / a > < a href = "#SkIPoint_add_operator_b" > b< / a > by < a href = "#IVector" > IVector< / a > < a href = "#SkIPoint_add_operator_a" > a< / a > , returning < a href = "#IPoint" > IPoint< / a > .
Can also be used to add < a href = "#IVector" > IVector< / a > to < a href = "#IVector" > IVector< / a > , returning < a href = "#IVector" > IVector< / a > .
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### Parameters
< table > < tr > < td > < a name = "SkIPoint_add_operator_a" > < code > < strong > a < / strong > < / code > < / a > < / td > < td >
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< a href = "#IPoint" > IPoint< / a > or < a href = "#IVector" > IVector< / a > to add to< / td >
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< / tr > < tr > < td > < a name = "SkIPoint_add_operator_b" > < code > < strong > b < / strong > < / code > < / a > < / td > < td >
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< a href = "#IPoint" > IPoint< / a > or < a href = "#IVector" > IVector< / a > to add< / td >
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< / tr >
< / table >
### Return Value
< a href = "#IPoint" > IPoint< / a > equal to < a href = "#SkIPoint_add_operator_a" > a< / a > offset by < a href = "#SkIPoint_add_operator_b" > b< / a >
### Example
< div > < fiddle-embed name = "63f4cba971c6d8434595906f865b5a29" > < / fiddle-embed > < / div >
### See Also
< a href = "#SkIPoint_addto_operator" > operator+=(const SkIVector& v)< / a >
---
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# <a name="IVector"></a> IVector
