References ▼
| Data Type | Definition and Usage |
|---|---|
| L_POINTD | Stores two double numbers that represent the coordinates of a point (X and Y). |
| L_RECTD | Describes the width, height, and location of a rectangle in double numbers. |
| L_SIZED | Stores two double numbers that represent the size of an object. |
| L_MATRIX | Represents a 3x3 affine transformation matrix used for transformations in 2-D space. |
| L_LENGTHD | Defines a double length value. |
| Functions | Description |
| L_LengthD_IsEqual | Tests the specified L_SIZED structures for equality. |
| L_LengthD_Make | Sets the values of the specified L_LENGTHD structure. |
| L_RectD_ToRect | Sets the values of the specified L_RECT structure using the values from the specified L_RECTD structure. |
| L_RectD_Transform | Transforms the specified L_RECTD by applying the specified matrix. |
| L_RectD_Scale | Multiplies the size of the L_RECTD by the specified x and y values. |
| L_RectD_Offset | Adjusts the location of the specified L_RECTD by the specified amount. |
| L_RectD_Intersect | Sets the value of the rect to the intersection of two L_RECTD structures. |
| L_RectD_IntersectsWith | Determines whether the L_RECTD structure testRect intersects with the L_RECTD structure rect. |
| L_RectD_Inflate | Inflates the specified L_RECTD structure by the specified amount. |
| L_RectD_ContainsPoint | Determines whether the L_POINTD structure testRect is contained within the L_RECTD structure rect. |
| L_RectD_ContainsRect | Determines whether the L_RECTD structure testRect is contained within the L_RECTD structure rect. |
| L_RectD_Size | Gets the size of the specified L_RECTD structure. |
| L_RectD_Location | Gets the coordinates of the upper-left corner of the specified L_RECTD structure. |
| L_RectD_BottomLeft | Gets the bottom, left value of the specified L_RECTD structure. |
| L_RectD_BottomRight | Gets the bottom, right value of the specified L_RECTD structure. |
| L_RectD_TopRight | Gets the top, right value of the specified L_RECTD structure. |
| L_RectD_TopLeft | Gets the top, left value of the specified L_RECTD structure. |
| L_RectD_Bottom | Gets the bottom value of the specified L_RECTD structure. |
| L_RectD_Top | Gets the top value of the specified L_RECTD structure. |
| L_RectD_Right | Gets the right value of the specified L_RECTD structure. |
| L_RectD_Left | Gets the left value of the specified L_RECTD structure. |
| L_RectD_IsEmpty | Tests the specified L_RECTD structure for empty values. |
| L_RectD_IsEqual | Tests the specified L_RECTD structures for equality. |
| L_RectD_Empty | Sets the values of the specified L_RECTD structure to empty values. |
| L_RectD_FromLTRB | Sets the values of the specified L_RECTD structure. |
| L_RectD_Make | Sets the values of the specified L_RECTD structure. |
| L_RectD_Union | Sets the value of the rect to the union of two L_RECTD structures. |
| L_Size_Empty | Sets the values of the specified L_SIZE structure to empty values. |
| L_Size_IsEmpty | Tests the specified L_SIZE structure for empty values. |
| L_Size_IsEqual | Tests the specified L_SIZE structures for equality. |
| L_Size_Make | Sets the values of the specified L_SIZE structure. |
| L_Size_ToSizeD | Sets the value of the specified L_SIZED structure using the values from the specified L_SIZE structure. |
| L_SizeD_ToSize | Sets the value of the specified L_SIZE structure using the values from the specified L_SIZED structure. |
| L_SizeD_IsEmpty | Tests the specified L_SIZED structure for empty values. |
| L_SizeD_IsEqual | Tests the specified L_SIZED structures for equality. |
| L_SizeD_Empty | Sets the values of the specified L_SIZED structure to empty values. |
| L_SizeD_Make | Sets the values of the specified L_SIZED structure. |
| L_Point_Empty | Sets the values of the specified L_POINT structure to empty values. |
| L_Point_IsEmpty | Tests the specified L_POINT structure for empty values. |
| L_Point_IsEqual | Tests the specified L_POINT structures for equality. |
| L_Point_Make | Sets the values of the specified L_POINT structure. |
| L_Point_ToPointD | Sets the value of the specified L_POINTD structure using the values from the specified L_POINT structure. |
| L_PointD_Multiply | Transforms the specified L_POINTD structure by the specified L_MATRIX structure. |
| L_PointD_ToPoint | Sets the value of the specified L_POINT structure using the values from the specified L_POINTD structure. |
| L_PointD_IsEqual | Tests the specified L_POINTD structures for equality. |
| L_PointD_IsEmpty | Tests the specified L_POINTD structure for empty values. |
| L_PointD_Make | Sets the values of the specified L_POINTD structure. |
| L_PointD_Empty | Sets the values of the specified L_POINTD structure to empty values. |
| L_Rect_Union | Sets the value of the rect to the union of two L_RECT structures. |
| L_Rect_ContainsPoint | Determines whether the L_POINT structure testRect is contained within the L_RECT structure rect. |
| L_Rect_ToRectD | Sets the values of the specified L_RECTD structure using the values from the specified L_RECT structure. |
| L_Rect_Offset | Adjusts the location of the specified L_RECT by the specified amount. |
| L_Rect_Intersect | Sets the value of the rect to the intersection of two L_RECT structures. |
| L_Rect_IntersectsWith | Determines whether the L_RECT structure testRect intersects with the L_RECT structure rect. |
| L_Rect_Inflate | Inflates the specified L_RECT structure by the specified amount. |
| L_Rect_ContainsRect | Determines whether the L_RECT structure testRect is contained within the L_RECT structure rect. |
| L_Rect_Size | Gets the size of the specified L_RECT structure. |
| L_Rect_Location | Gets the coordinates of the upper-left corner of the specified L_RECT structure. |
| L_Rect_BottomRight | Gets the bottom, right value of the specified L_RECT structure. |
| L_Rect_TopLeft | Gets the top, left value of the specified L_RECT structure. |
| L_Rect_TopRight | Gets the top, Right value of the specified L_RECT structure. |
| L_Rect_Height | Gets the height of the specified L_RECT structure. |
| L_Rect_Width | Gets the widths of the specified L_RECT structure. |
| L_Rect_BottomLeft | Gets the bottom, left value of the specified L_RECT structure. |
| L_Rect_IsEqual | Tests the specified L_RECT structures for equality. |
| L_Rect_IsEmpty | Tests the specified L_RECT structure for empty values. |
| L_Rect_Empty | Sets the values of the specified L_RECT structure to empty values. |
| L_Rect_FromLTRB | Sets the values of the specified L_RECT structure. |
| L_Rect_Make | Sets the values of the specified L_RECT structure. |
| L_Matrix_Append | Appends the L_MATRIX specified by matrix to the L_MATRIX specified by result and stores the values in result. |
| L_Matrix_IsEqual | Tests the specified L_MATRIX structures for equality. |
| L_Matrix_Invert | Inverts specified L_MATRIX. |
| L_Matrix_Prepend | Prepends the L_MATRIX specified by matrix to the L_MATRIX specified by result and stores the values in result. |
| L_Matrix_TransformRect | Transforms the specified L_RECTD by the specified L_MATRIX. |
| L_Matrix_TransformVector | Transforms the specified L_POINTD structure by the specified L_MATRIX. |
| L_Matrix_TransformPoints | Transforms the specified array of L_POINTD structures by the specified L_MATRIX. |
| L_Matrix_TransformPoint | Transforms the specified L_POINTD structure by the specified L_MATRIX. |
| L_Matrix_Translate | Appends the specified scale vector to the specified L_MATRIX. |
| L_Matrix_TranslatePrepend | Prepends a translation of the specified offsets to the specified L_MATRIX. |
| L_Matrix_Skew | Appends a skew of the specified degrees in the x and y dimensions to the specified L_MATRIX. |
| L_Matrix_SkewPrepend | Prepends a skew of the specified degrees in the x and y dimensions to the specified L_MATRIX. |
| L_Matrix_Rotate | Applies a rotation of the specified angle about the origin of the specified L_MATRIX. |
| L_Matrix_RotateAt | Applies a rotation of the specified angle about the origin of the specified L_MATRIX. |
| L_Matrix_RotateAtPrepend | Prepends a rotation of the specified angle at the specified point to the specified L_MATRIX. |
| L_Matrix_RotatePrepend | Prepends a rotation of the specified angle to the specified L_MATRIX. |
| L_Matrix_Scale | Appends the specified scale vector to the specified L_MATRIX. |
| L_Matrix_ScaleAt | Prepends the specified scale vector to the specified L_MATRIX. |
| L_Matrix_ScaleAtPrepend | Prepends the specified scale about the specified point of the specified L_MATRIX. |
| L_Matrix_ScalePrepend | Prepends the specified scale vector to the specified L_MATRIX. |
| L_Matrix_Multiply | Multiplies two L_MATRIX structures. |
| L_Matrix_SetOffsetX | Sets the value of the third row and first column of the specified L_MATRIX. |
| L_Matrix_SetOffsetY | Sets the value of the third row and second column of the specified L_MATRIX. |
| L_Matrix_GetM22 | Gets the value of the second row and second column of the specified L_MATRIX. |
| L_Matrix_GetM11 | Gets the value of the first row and first column of the specified L_MATRIX. |
| L_Matrix_GetM12 | Gets the value of the first row and second column of the specified L_MATRIX. |
| L_Matrix_GetM21 | Gets the value of the second row and first column of the specified L_MATRIX. |
| L_Matrix_SetM11 | Sets the value of the first row and first column of the specified L_MATRIX. |
| L_Matrix_SetM12 | Sets the value of the first row and second column of the specified L_MATRIX. |
| L_Matrix_SetM21 | Sets the value of the second row and first column of the specified L_MATRIX. |
| L_Matrix_SetM22 | Sets the value of the second row and second column of the specified L_MATRIX. |
| L_Matrix_GetOffsetY | Gets the value of the third row and second column of the specified L_MATRIX. |
| L_Matrix_GetOffsetX | Gets the value of the third row and first column of the specified L_MATRIX. |
| L_Matrix_HasInverse | Indicates whether the specified L_MATRIX is invertible. |
| L_Matrix_Determinant | Gets the determinant of the specified L_MATRIX. |
| L_Matrix_IsIdentity | Indicates whether the specified L_MATRIX is an identity matrix. |
| L_Matrix_Identity | Sets the values of the specified L_MATRIX structure to identity. |
| L_Matrix_Set | Sets the values of the specified L_MATRIX structure. |
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