diff options
Diffstat (limited to 'core/include/fxcrt/fx_coordinates.h')
| -rw-r--r-- | core/include/fxcrt/fx_coordinates.h | 378 |
1 files changed, 187 insertions, 191 deletions
diff --git a/core/include/fxcrt/fx_coordinates.h b/core/include/fxcrt/fx_coordinates.h index c6bf230014..e2800ffdb0 100644 --- a/core/include/fxcrt/fx_coordinates.h +++ b/core/include/fxcrt/fx_coordinates.h @@ -120,6 +120,193 @@ class CFX_VTemplate : public CFX_PSTemplate<BaseType> { typedef CFX_VTemplate<int32_t> CFX_Vector; typedef CFX_VTemplate<FX_FLOAT> CFX_VectorF; +// Rectangles. +// TODO(tsepez): Consolidate all these different rectangle classes. + +// LTRB rectangles (y-axis runs downwards). +struct FX_SMALL_RECT { + FX_SMALL_RECT() : FX_SMALL_RECT(kInvalid, kInvalid, kInvalid, kInvalid) {} + + FX_SMALL_RECT(int16_t l, int16_t t, int16_t r, int16_t b) + : left(l), top(t), right(r), bottom(b) {} + + static const int16_t kInvalid = -1; + + int16_t left; + int16_t top; + int16_t right; + int16_t bottom; +}; + +struct FX_RECT { + FX_RECT() : left(0), top(0), right(0), bottom(0) {} + + FX_RECT(int l, int t, int r, int b) : left(l), top(t), right(r), bottom(b) {} + + explicit FX_RECT(const FX_SMALL_RECT& small) + : FX_RECT(small.left, small.top, small.right, small.bottom) {} + + int Width() const { return right - left; } + int Height() const { return bottom - top; } + bool IsEmpty() const { return right <= left || bottom <= top; } + + void Normalize(); + + void Intersect(const FX_RECT& src); + void Intersect(int l, int t, int r, int b) { Intersect(FX_RECT(l, t, r, b)); } + + void Union(const FX_RECT& other_rect); + void Union(int l, int t, int r, int b) { Union(FX_RECT(l, t, r, b)); } + + void Offset(int dx, int dy) { + left += dx; + right += dx; + top += dy; + bottom += dy; + } + + bool operator==(const FX_RECT& src) const { + return left == src.left && right == src.right && top == src.top && + bottom == src.bottom; + } + + FX_BOOL Contains(const FX_RECT& other_rect) const { + return other_rect.left >= left && other_rect.right <= right && + other_rect.top >= top && other_rect.bottom <= bottom; + } + + FX_BOOL Contains(int x, int y) const { + return x >= left && x < right && y >= top && y < bottom; + } + + FX_SMALL_RECT ToSmallRect() const { + return FX_SMALL_RECT( + static_cast<uint16_t>(left), static_cast<uint16_t>(top), + static_cast<uint16_t>(right), static_cast<uint16_t>(bottom)); + } + + int left; + int top; + int right; + int bottom; +}; + +// LBRT rectangles (y-axis runs upwards). +class CFX_FloatPoint { + public: + CFX_FloatPoint(FX_FLOAT xx, FX_FLOAT yy) : x(xx), y(yy) {} + + FX_FLOAT x; + FX_FLOAT y; +}; + +class CFX_FloatRect { + public: + CFX_FloatRect() : CFX_FloatRect(0.0f, 0.0f, 0.0f, 0.0f) {} + CFX_FloatRect(FX_FLOAT l, FX_FLOAT b, FX_FLOAT r, FX_FLOAT t) + : left(l), bottom(b), right(r), top(t) {} + + explicit CFX_FloatRect(const FX_FLOAT* pArray) + : CFX_FloatRect(pArray[0], pArray[1], pArray[2], pArray[3]) {} + + explicit CFX_FloatRect(const FX_RECT& rect); + + void Normalize(); + + void Reset() { + left = 0.0f; + right = 0.0f; + bottom = 0.0f; + top = 0.0f; + } + + FX_BOOL IsEmpty() const { return left >= right || bottom >= top; } + FX_BOOL Contains(const CFX_FloatRect& other_rect) const; + FX_BOOL Contains(FX_FLOAT x, FX_FLOAT y) const; + + void Transform(const CFX_Matrix* pMatrix); + void Intersect(const CFX_FloatRect& other_rect); + void Union(const CFX_FloatRect& other_rect); + + FX_RECT GetInnerRect() const; + FX_RECT GetOutterRect() const; + FX_RECT GetClosestRect() const; + + int Substract4(CFX_FloatRect& substract_rect, CFX_FloatRect* pRects); + + void InitRect(FX_FLOAT x, FX_FLOAT y) { + left = x; + right = x; + bottom = y; + top = y; + } + void UpdateRect(FX_FLOAT x, FX_FLOAT y); + + FX_FLOAT Width() const { return right - left; } + FX_FLOAT Height() const { return top - bottom; } + + void Inflate(FX_FLOAT x, FX_FLOAT y) { + Normalize(); + left -= x; + right += x; + bottom -= y; + top += y; + } + + void Inflate(FX_FLOAT other_left, + FX_FLOAT other_bottom, + FX_FLOAT other_right, + FX_FLOAT other_top) { + Normalize(); + left -= other_left; + bottom -= other_bottom; + right += other_right; + top += other_top; + } + + void Inflate(const CFX_FloatRect& rt) { + Inflate(rt.left, rt.bottom, rt.right, rt.top); + } + + void Deflate(FX_FLOAT x, FX_FLOAT y) { + Normalize(); + left += x; + right -= x; + bottom += y; + top -= y; + } + + void Deflate(FX_FLOAT other_left, + FX_FLOAT other_bottom, + FX_FLOAT other_right, + FX_FLOAT other_top) { + Normalize(); + left += other_left; + bottom += other_bottom; + right -= other_right; + top -= other_top; + } + + void Deflate(const CFX_FloatRect& rt) { + Deflate(rt.left, rt.bottom, rt.right, rt.top); + } + + void Translate(FX_FLOAT e, FX_FLOAT f) { + left += e; + right += e; + top += f; + bottom += f; + } + + static CFX_FloatRect GetBBox(const CFX_PointF* pPoints, int nPoints); + + FX_FLOAT left; + FX_FLOAT bottom; + FX_FLOAT right; + FX_FLOAT top; +}; + +// LTWH rectangles (y-axis runs downwards). template <class baseType> class CFX_RTemplate { public: @@ -350,197 +537,6 @@ typedef CFX_RTemplate<FX_FLOAT>* FX_LPRECTF; typedef CFX_RTemplate<int32_t> const* FX_LPCRECT; typedef CFX_RTemplate<FX_FLOAT> const* FX_LPCRECTF; typedef CFX_ArrayTemplate<CFX_RectF> CFX_RectFArray; -struct FX_RECT { - int left; - - int top; - - int right; - - int bottom; - - FX_RECT() : left(0), top(0), right(0), bottom(0) {} - - FX_RECT(int left1, int top1, int right1, int bottom1) { - left = left1; - top = top1; - right = right1; - bottom = bottom1; - } - - int Width() const { return right - left; } - - int Height() const { return bottom - top; } - - FX_BOOL IsEmpty() const { return right <= left || bottom <= top; } - - void Normalize(); - - void Intersect(const FX_RECT& src); - - void Intersect(int left1, int top1, int right1, int bottom1) { - Intersect(FX_RECT(left1, top1, right1, bottom1)); - } - - void Union(const FX_RECT& other_rect); - - bool operator==(const FX_RECT& src) const { - return left == src.left && right == src.right && top == src.top && - bottom == src.bottom; - } - - void Offset(int dx, int dy) { - left += dx; - right += dx; - top += dy; - bottom += dy; - } - - FX_BOOL Contains(const FX_RECT& other_rect) const { - return other_rect.left >= left && other_rect.right <= right && - other_rect.top >= top && other_rect.bottom <= bottom; - } - - FX_BOOL Contains(int x, int y) const { - return x >= left && x < right && y >= top && y < bottom; - } -}; -struct FX_SMALL_RECT { - int16_t Left; - - int16_t Top; - - int16_t Right; - - int16_t Bottom; -}; - -class CFX_FloatPoint { - public: - CFX_FloatPoint(FX_FLOAT xx, FX_FLOAT yy) : x(xx), y(yy) {} - - FX_FLOAT x; - FX_FLOAT y; -}; - -class CFX_FloatRect { - public: - CFX_FloatRect() { left = right = bottom = top = 0; } - - CFX_FloatRect(FX_FLOAT left1, - FX_FLOAT bottom1, - FX_FLOAT right1, - FX_FLOAT top1) { - left = left1; - bottom = bottom1; - right = right1; - top = top1; - } - - CFX_FloatRect(const FX_FLOAT* pArray) { - left = pArray[0]; - bottom = pArray[1]; - right = pArray[2]; - top = pArray[3]; - } - - CFX_FloatRect(const FX_RECT& rect); - - FX_BOOL IsEmpty() const { return left >= right || bottom >= top; } - - void Normalize(); - - void Reset() { left = right = bottom = top = 0; } - - FX_BOOL Contains(const CFX_FloatRect& other_rect) const; - - FX_BOOL Contains(FX_FLOAT x, FX_FLOAT y) const; - - void Transform(const CFX_Matrix* pMatrix); - - void Intersect(const CFX_FloatRect& other_rect); - - void Union(const CFX_FloatRect& other_rect); - - FX_RECT GetInnerRect() const; - - FX_RECT GetOutterRect() const; - - FX_RECT GetClosestRect() const; - - int Substract4(CFX_FloatRect& substract_rect, CFX_FloatRect* pRects); - - void InitRect(FX_FLOAT x, FX_FLOAT y) { - left = right = x; - bottom = top = y; - } - - void UpdateRect(FX_FLOAT x, FX_FLOAT y); - - FX_FLOAT Width() const { return right - left; } - - FX_FLOAT Height() const { return top - bottom; } - - void Inflate(FX_FLOAT x, FX_FLOAT y) { - Normalize(); - left -= x; - right += x; - bottom -= y; - top += y; - } - - void Inflate(FX_FLOAT other_left, - FX_FLOAT other_bottom, - FX_FLOAT other_right, - FX_FLOAT other_top) { - Normalize(); - left -= other_left; - bottom -= other_bottom; - right += other_right; - top += other_top; - } - - void Inflate(const CFX_FloatRect& rt) { - Inflate(rt.left, rt.bottom, rt.right, rt.top); - } - - void Deflate(FX_FLOAT x, FX_FLOAT y) { - Normalize(); - left += x; - right -= x; - bottom += y; - top -= y; - } - - void Deflate(FX_FLOAT other_left, - FX_FLOAT other_bottom, - FX_FLOAT other_right, - FX_FLOAT other_top) { - Normalize(); - left += other_left; - bottom += other_bottom; - right -= other_right; - top -= other_top; - } - - void Deflate(const CFX_FloatRect& rt) { - Deflate(rt.left, rt.bottom, rt.right, rt.top); - } - - void Translate(FX_FLOAT e, FX_FLOAT f) { - left += e; - right += e; - top += f; - bottom += f; - } - - static CFX_FloatRect GetBBox(const CFX_PointF* pPoints, int nPoints); - - FX_FLOAT left; - FX_FLOAT right; - FX_FLOAT bottom; - FX_FLOAT top; -}; class CFX_Matrix { public: |