| SkIPoint Reference |
| === |
| |
| |
| <a name='SkIPoint'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0"> |
| struct <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> { |
| |
| int32_t <a href='#SkIPoint_fX'>fX</a>; |
| int32_t <a href='#SkIPoint_fY'>fY</a>; |
| |
| static constexpr <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> <a href='#SkIPoint_Make'>Make</a>(int32_t x, int32_t y); |
| int32_t <a href='#SkIPoint_x'>x()</a> const; |
| int32_t <a href='#SkIPoint_y'>y()</a> const; |
| bool <a href='#SkIPoint_isZero'>isZero</a>() const; |
| void <a href='#SkIPoint_set'>set</a>(int32_t x, int32_t y); |
| <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> operator-() const; |
| void <a href='#SkIPoint_addto_operator'>operator+=</a>(const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& v); |
| void <a href='#SkIPoint_subtractfrom_operator'>operator-=</a>(const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& v); |
| bool <a href='#SkIPoint_equals'>equals</a>(int32_t x, int32_t y) const; |
| friend bool <a href='#SkIPoint_equal_operator'>operator==</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& b); |
| friend bool <a href='#SkIPoint_notequal_operator'>operator!=</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& b); |
| friend <a href='SkIPoint_Reference#SkIVector'>SkIVector</a> <a href='#SkIPoint_subtract_operator'>operator-</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& b); |
| friend <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> <a href='#SkIPoint_add_operator'>operator+</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& b); |
| }; |
| |
| </pre> |
| |
| <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> holds two 32-bit integer coordinates.<table style='border-collapse: collapse; width: 62.5em'> |
| |
| <tr><th style='text-align: left; border: 2px solid #dddddd; padding: 8px; '>Type</th> |
| <th style='text-align: left; border: 2px solid #dddddd; padding: 8px; '>Member</th> |
| <th style='text-align: left; border: 2px solid #dddddd; padding: 8px; '>Description</th></tr> |
| <tr style='background-color: #f0f0f0; '> |
| <td style='text-align: left; border: 2px solid #dddddd; padding: 8px; '>int32_t</td> |
| <td style='text-align: left; border: 2px solid #dddddd; padding: 8px; '><a name='SkIPoint_fX'><code>fX</code></a></td> |
| <td style='text-align: left; border: 2px solid #dddddd; padding: 8px; '> |
| x-axis value used by <a href='SkIPoint_Reference#IPoint'>IPoint</a>. |
| </td> |
| </tr> |
| <tr> |
| <td style='text-align: left; border: 2px solid #dddddd; padding: 8px; '>int32_t</td> |
| <td style='text-align: left; border: 2px solid #dddddd; padding: 8px; '><a name='SkIPoint_fY'><code>fY</code></a></td> |
| <td style='text-align: left; border: 2px solid #dddddd; padding: 8px; '> |
| y-axis value used by <a href='SkIPoint_Reference#IPoint'>IPoint</a>. |
| </td> |
| </tr> |
| </table> |
| |
| <a name='SkIPoint_Make'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| static constexpr <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> <a href='#SkIPoint_Make'>Make</a>(int32_t x, int32_t y) |
| </pre> |
| |
| Sets <a href='#SkIPoint_fX'>fX</a> to <a href='#SkIPoint_Make_x'>x</a>, <a href='#SkIPoint_fY'>fY</a> to <a href='#SkIPoint_Make_y'>y</a>. |
| |
| ### Parameters |
| |
| <table> <tr> <td><a name='SkIPoint_Make_x'><code><strong>x</strong></code></a></td> |
| <td>integer x-axis value of constructed <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a></td> |
| </tr> |
| <tr> <td><a name='SkIPoint_Make_y'><code><strong>y</strong></code></a></td> |
| <td>integer y-axis value of constructed <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a></td> |
| </tr> |
| </table> |
| |
| ### Return Value |
| |
| <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> (<a href='#SkIPoint_Make_x'>x</a>, <a href='#SkIPoint_Make_y'>y</a>) |
| |
| ### Example |
| |
| <div><fiddle-embed name="@IPoint_Make"> |
| |
| #### Example Output |
| |
| ~~~~ |
| pt1 == pt2 |
| ~~~~ |
| |
| </fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='#SkIPoint_set'>set()</a> <a href='SkPoint_Reference#SkPoint'>SkPoint</a>::<a href='#SkPoint_iset'>iset()</a> <a href='SkPoint_Reference#SkPoint'>SkPoint</a>::<a href='#SkPoint_Make'>Make</a> |
| |
| <a name='Property'></a> |
| |
| <a name='SkIPoint_x'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| int32_t <a href='#SkIPoint_x'>x()</a>const |
| </pre> |
| |
| Returns x-axis value of <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>. |
| |
| ### Return Value |
| |
| <a href='#SkIPoint_fX'>fX</a> |
| |
| ### Example |
| |
| <div><fiddle-embed name="@IPoint_x"> |
| |
| #### Example Output |
| |
| ~~~~ |
| pt1.fX == pt1.x() |
| ~~~~ |
| |
| </fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='#SkIPoint_y'>y()</a> <a href='SkPoint_Reference#SkPoint'>SkPoint</a>::<a href='#SkPoint_x'>x()</a> |
| |
| <a name='SkIPoint_y'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| int32_t <a href='#SkIPoint_y'>y()</a>const |
| </pre> |
| |
| Returns y-axis value of <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>. |
| |
| ### Return Value |
| |
| <a href='#SkIPoint_fY'>fY</a> |
| |
| ### Example |
| |
| <div><fiddle-embed name="@IPoint_y"> |
| |
| #### Example Output |
| |
| ~~~~ |
| pt1.fY == pt1.y() |
| ~~~~ |
| |
| </fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='#SkIPoint_x'>x()</a> <a href='SkPoint_Reference#SkPoint'>SkPoint</a>::<a href='#SkPoint_y'>y()</a> |
| |
| <a name='SkIPoint_isZero'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| bool <a href='#SkIPoint_isZero'>isZero</a>()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="@IPoint_isZero"> |
| |
| #### Example Output |
| |
| ~~~~ |
| pt.isZero() == true |
| ~~~~ |
| |
| </fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='SkPoint_Reference#SkPoint'>SkPoint</a>::<a href='#SkPoint_isZero'>isZero</a> |
| |
| <a name='Set'></a> |
| |
| <a name='SkIPoint_set'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| void set(int32_t x, int32_t y) |
| </pre> |
| |
| Sets <a href='#SkIPoint_fX'>fX</a> to <a href='#SkIPoint_set_x'>x</a> and <a href='#SkIPoint_fY'>fY</a> to <a href='#SkIPoint_set_y'>y</a>. |
| |
| ### 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="@IPoint_set"> |
| |
| #### Example Output |
| |
| ~~~~ |
| pt1 == pt2 |
| ~~~~ |
| |
| </fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='#SkIPoint_Make'>Make</a> |
| |
| <a name='SkIPoint_minus_operator'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> operator-()const |
| </pre> |
| |
| Returns <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> changing the signs of <a href='#SkIPoint_fX'>fX</a> and <a href='#SkIPoint_fY'>fY</a>. |
| |
| ### Return Value |
| |
| <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> as (-<a href='#SkIPoint_fX'>fX</a>, -<a href='#SkIPoint_fY'>fY</a>) |
| |
| ### Example |
| |
| <div><fiddle-embed name="@IPoint_minus_operator"> |
| |
| #### 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 |
| |
| <a href='#SkIPoint_subtract_operator'>operator-</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& b) <a href='#SkIPoint_subtractfrom_operator'>operator-=</a>(const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& v) <a href='SkPoint_Reference#SkPoint'>SkPoint</a>::operator-() const |
| |
| <a name='SkIPoint_addto_operator'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| void <a href='#SkIPoint_addto_operator'>operator+=</a>(const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& v) |
| </pre> |
| |
| Offsets <a href='SkIPoint_Reference#IPoint'>IPoint</a> by <a href='#IPoint_IVector'>IVector</a> <a href='#SkIPoint_addto_operator_v'>v</a>. Sets <a href='SkIPoint_Reference#IPoint'>IPoint</a> to <code>(<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>)</code>. |
| |
| ### Parameters |
| |
| <table> <tr> <td><a name='SkIPoint_addto_operator_v'><code><strong>v</strong></code></a></td> |
| <td><a href='#IPoint_IVector'>IVector</a> to add</td> |
| </tr> |
| </table> |
| |
| ### Example |
| |
| <div><fiddle-embed name="@IPoint_addto_operator"></fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='#SkIPoint_add_operator'>operator+</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& b) <a href='SkPoint_Reference#SkPoint'>SkPoint</a>::operator+=(const <a href='SkPoint_Reference#SkVector'>SkVector</a>& <a href='#SkIPoint_addto_operator_v'>v</a>) |
| |
| <a name='SkIPoint_subtractfrom_operator'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| void <a href='#SkIPoint_subtractfrom_operator'>operator-=</a>(const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& v) |
| </pre> |
| |
| Subtracts <a href='#IPoint_IVector'>IVector</a> <a href='#SkIPoint_subtractfrom_operator_v'>v</a> from <a href='SkIPoint_Reference#IPoint'>IPoint</a>. Sets <a href='SkIPoint_Reference#IPoint'>IPoint</a> to: <code>(<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>)</code>. |
| |
| ### Parameters |
| |
| <table> <tr> <td><a name='SkIPoint_subtractfrom_operator_v'><code><strong>v</strong></code></a></td> |
| <td><a href='#IPoint_IVector'>IVector</a> to subtract</td> |
| </tr> |
| </table> |
| |
| ### Example |
| |
| <div><fiddle-embed name="@IPoint_subtractfrom_operator"></fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='#SkIPoint_subtract_operator'>operator-</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& b) <a href='SkPoint_Reference#SkPoint'>SkPoint</a>::operator-=(const <a href='SkPoint_Reference#SkVector'>SkVector</a>& <a href='#SkIPoint_subtractfrom_operator_v'>v</a>) |
| |
| <a name='SkIPoint_equals'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| bool equals(int32_t x, int32_t y)const |
| </pre> |
| |
| Returns true if <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> is equivalent to <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> constructed from (<a href='#SkIPoint_equals_x'>x</a>, <a href='#SkIPoint_equals_y'>y</a>). |
| |
| ### 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 |
| |
| true if <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> equals (<a href='#SkIPoint_equals_x'>x</a>, <a href='#SkIPoint_equals_y'>y</a>) |
| |
| ### Example |
| |
| <div><fiddle-embed name="@IPoint_equals"> |
| |
| #### 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==</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& b) |
| |
| <a name='SkIPoint_equal_operator'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| bool <a href='#SkIPoint_equal_operator'>operator==</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& 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='SkIPoint_Reference#SkIPoint'>SkIPoint</a> to compare</td> |
| </tr> |
| <tr> <td><a name='SkIPoint_equal_operator_b'><code><strong>b</strong></code></a></td> |
| <td><a href='SkIPoint_Reference#SkIPoint'>SkIPoint</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="@IPoint_equal_operator"> |
| |
| #### 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!=</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& <a href='#SkIPoint_equal_operator_a'>a</a>, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& <a href='#SkIPoint_equal_operator_b'>b</a>) |
| |
| <a name='SkIPoint_notequal_operator'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| bool <a href='#SkIPoint_notequal_operator'>operator!=</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& 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='SkIPoint_Reference#SkIPoint'>SkIPoint</a> to compare</td> |
| </tr> |
| <tr> <td><a name='SkIPoint_notequal_operator_b'><code><strong>b</strong></code></a></td> |
| <td><a href='SkIPoint_Reference#SkIPoint'>SkIPoint</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="@IPoint_notequal_operator"> |
| |
| #### 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==</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& <a href='#SkIPoint_notequal_operator_a'>a</a>, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& <a href='#SkIPoint_notequal_operator_b'>b</a>) <a href='#SkIPoint_equals'>equals()</a> |
| |
| <a name='SkIPoint_subtract_operator'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| <a href='SkIPoint_Reference#SkIVector'>SkIVector</a> <a href='#SkIPoint_subtract_operator'>operator-</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& b) |
| </pre> |
| |
| Returns <a href='#IPoint_IVector'>IVector</a> from <a href='#SkIPoint_subtract_operator_b'>b</a> to <a href='#SkIPoint_subtract_operator_a'>a</a>; computed as <code>(<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>)</code>. |
| |
| Can also be used to subtract <a href='#IPoint_IVector'>IVector</a> from <a href='#IPoint_IVector'>IVector</a>, returning <a href='#IPoint_IVector'>IVector</a>. |
| |
| ### Parameters |
| |
| <table> <tr> <td><a name='SkIPoint_subtract_operator_a'><code><strong>a</strong></code></a></td> |
| <td><a href='SkIPoint_Reference#IPoint'>IPoint</a> or <a href='#IPoint_IVector'>IVector</a> to subtract from</td> |
| </tr> |
| <tr> <td><a name='SkIPoint_subtract_operator_b'><code><strong>b</strong></code></a></td> |
| <td><a href='#IPoint_IVector'>IVector</a> to subtract</td> |
| </tr> |
| </table> |
| |
| ### Return Value |
| |
| <a href='#IPoint_IVector'>IVector</a> from <a href='#SkIPoint_subtract_operator_b'>b</a> to <a href='#SkIPoint_subtract_operator_a'>a</a> |
| |
| ### Example |
| |
| <div><fiddle-embed name="@IPoint_subtract_operator"></fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='#SkIPoint_subtractfrom_operator'>operator-=</a>(const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& v) |
| |
| <a name='SkIPoint_add_operator'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em; width: 62.5em;background-color: #f0f0f0"> |
| <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> <a href='#SkIPoint_add_operator'>operator+</a>(const <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>& a, const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& b) |
| </pre> |
| |
| Returns <a href='SkIPoint_Reference#IPoint'>IPoint</a> resulting from <a href='SkIPoint_Reference#IPoint'>IPoint</a> <a href='#SkIPoint_add_operator_a'>a</a> offset by <a href='#IPoint_IVector'>IVector</a> <a href='#SkIPoint_add_operator_b'>b</a>, computed as: |
| <code>(<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>)</code>. |
| |
| Can also be used to offset <a href='SkIPoint_Reference#IPoint'>IPoint</a> <a href='#SkIPoint_add_operator_b'>b</a> by <a href='#IPoint_IVector'>IVector</a> <a href='#SkIPoint_add_operator_a'>a</a>, returning <a href='SkIPoint_Reference#IPoint'>IPoint</a>. |
| Can also be used to add <a href='#IPoint_IVector'>IVector</a> to <a href='#IPoint_IVector'>IVector</a>, returning <a href='#IPoint_IVector'>IVector</a>. |
| |
| ### Parameters |
| |
| <table> <tr> <td><a name='SkIPoint_add_operator_a'><code><strong>a</strong></code></a></td> |
| <td><a href='SkIPoint_Reference#IPoint'>IPoint</a> or <a href='#IPoint_IVector'>IVector</a> to add to</td> |
| </tr> |
| <tr> <td><a name='SkIPoint_add_operator_b'><code><strong>b</strong></code></a></td> |
| <td><a href='SkIPoint_Reference#IPoint'>IPoint</a> or <a href='#IPoint_IVector'>IVector</a> to add</td> |
| </tr> |
| </table> |
| |
| ### Return Value |
| |
| <a href='SkIPoint_Reference#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="@IPoint_add_operator"></fiddle-embed></div> |
| |
| ### See Also |
| |
| <a href='#SkIPoint_addto_operator'>operator+=</a>(const <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>& v) |
| |
| <a name='IVector'></a> |
| |
| <a name='SkIVector'></a> |
| |
| --- |
| |
| <pre style="padding: 1em 1em 1em 1em;width: 62.5em; background-color: #f0f0f0"> |
| typedef <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> <a href='SkIPoint_Reference#SkIVector'>SkIVector</a>; |
| </pre> |
| |
| <a href='SkIPoint_Reference#SkIVector'>SkIVector</a> provides an alternative name for <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a>. <a href='SkIPoint_Reference#SkIVector'>SkIVector</a> and <a href='SkIPoint_Reference#SkIPoint'>SkIPoint</a> |
| can be used interchangeably for all purposes. |