| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_INCLUDE_FXCRT_FX_COORDINATES_H_ |
| #define CORE_INCLUDE_FXCRT_FX_COORDINATES_H_ |
| |
| #include "fx_basic.h" |
| |
| template <class baseType> |
| class CFX_PSVTemplate; |
| template <class baseType> |
| class CFX_VTemplate; |
| template <class baseType> |
| class CFX_PRLTemplate; |
| template <class baseType> |
| class CFX_RTemplate; |
| template <class baseType> |
| class CFX_ETemplate; |
| template <class baseType> |
| class CFX_ATemplate; |
| template <class baseType> |
| class CFX_RRTemplate; |
| class CFX_Matrix; |
| template <class baseType> |
| class CFX_PSVTemplate { |
| public: |
| typedef CFX_PSVTemplate<baseType> FXT_PSV; |
| typedef CFX_PSVTemplate<baseType> FXT_POINT; |
| typedef CFX_PSVTemplate<baseType> FXT_SIZE; |
| void Set(baseType x, baseType y) { FXT_PSV::x = x, FXT_PSV::y = y; } |
| void Set(const FXT_PSV& psv) { FXT_PSV::x = psv.x, FXT_PSV::y = psv.y; } |
| void Add(baseType x, baseType y) { FXT_PSV::x += x, FXT_PSV::y += y; } |
| void Subtract(baseType x, baseType y) { FXT_PSV::x -= x, FXT_PSV::y -= y; } |
| void Reset() { FXT_PSV::x = FXT_PSV::y = 0; } |
| FXT_PSV& operator+=(const FXT_PSV& obj) { |
| x += obj.x; |
| y += obj.y; |
| return *this; |
| } |
| FXT_PSV& operator-=(const FXT_PSV& obj) { |
| x -= obj.x; |
| y -= obj.y; |
| return *this; |
| } |
| FXT_PSV& operator*=(baseType lamda) { |
| x *= lamda; |
| y *= lamda; |
| return *this; |
| } |
| FXT_PSV& operator/=(baseType lamda) { |
| x /= lamda; |
| y /= lamda; |
| return *this; |
| } |
| friend FX_BOOL operator==(const FXT_PSV& obj1, const FXT_PSV& obj2) { |
| return obj1.x == obj2.x && obj1.y == obj2.y; |
| } |
| friend FX_BOOL operator!=(const FXT_PSV& obj1, const FXT_PSV& obj2) { |
| return obj1.x != obj2.x || obj1.y != obj2.y; |
| } |
| friend FXT_PSV operator+(const FXT_PSV& obj1, const FXT_PSV& obj2) { |
| CFX_PSVTemplate obj; |
| obj.x = obj1.x + obj2.x; |
| obj.y = obj1.y + obj2.y; |
| return obj; |
| } |
| friend FXT_PSV operator-(const FXT_PSV& obj1, const FXT_PSV& obj2) { |
| CFX_PSVTemplate obj; |
| obj.x = obj1.x - obj2.x; |
| obj.y = obj1.y - obj2.y; |
| return obj; |
| } |
| friend FXT_PSV operator*(const FXT_PSV& obj, baseType lamda) { |
| CFX_PSVTemplate t; |
| t.x = obj.x * lamda; |
| t.y = obj.y * lamda; |
| return t; |
| } |
| friend FXT_PSV operator*(baseType lamda, const FXT_PSV& obj) { |
| CFX_PSVTemplate t; |
| t.x = lamda * obj.x; |
| t.y = lamda * obj.y; |
| return t; |
| } |
| friend FXT_PSV operator/(const FXT_PSV& obj, baseType lamda) { |
| CFX_PSVTemplate t; |
| t.x = obj.x / lamda; |
| t.y = obj.y / lamda; |
| return t; |
| } |
| baseType x, y; |
| }; |
| typedef CFX_PSVTemplate<int32_t> CFX_Point; |
| typedef CFX_PSVTemplate<FX_FLOAT> CFX_PointF; |
| typedef CFX_PSVTemplate<int32_t> CFX_Size; |
| typedef CFX_PSVTemplate<FX_FLOAT> CFX_SizeF; |
| typedef CFX_ArrayTemplate<CFX_Point> CFX_Points; |
| typedef CFX_ArrayTemplate<CFX_PointF> CFX_PointsF; |
| typedef CFX_PSVTemplate<int32_t>* FX_LPPOINT; |
| typedef CFX_PSVTemplate<FX_FLOAT>* FX_LPPOINTF; |
| typedef CFX_PSVTemplate<int32_t> const* FX_LPCPOINT; |
| typedef CFX_PSVTemplate<FX_FLOAT> const* FX_LPCPOINTF; |
| #define CFX_FloatPoint CFX_PointF |
| template <class baseType> |
| class CFX_VTemplate : public CFX_PSVTemplate<baseType> { |
| public: |
| typedef CFX_PSVTemplate<baseType> FXT_PSV; |
| typedef CFX_PSVTemplate<baseType> FXT_POINT; |
| typedef CFX_PSVTemplate<baseType> FXT_SIZE; |
| typedef CFX_VTemplate<baseType> FXT_VECTOR; |
| void Set(baseType newx, baseType newy) { |
| FXT_PSV::x = newx; |
| FXT_PSV::y = newy; |
| } |
| void Set(const FXT_PSV& psv) { FXT_PSV::x = psv.x, FXT_PSV::y = psv.y; } |
| void Set(const FXT_POINT& p1, const FXT_POINT& p2) { |
| FXT_PSV::x = p2.x - p1.x, FXT_PSV::y = p2.y - p1.y; |
| } |
| void Reset() { FXT_PSV::x = FXT_PSV::y = 0; } |
| baseType SquareLength() const { |
| return FXT_PSV::x * FXT_PSV::x + FXT_PSV::y * FXT_PSV::y; |
| } |
| baseType Length() const { |
| return FXSYS_sqrt(FXT_PSV::x * FXT_PSV::x + FXT_PSV::y * FXT_PSV::y); |
| } |
| void Normalize() { |
| FX_FLOAT fLen = |
| FXSYS_sqrt(FXT_PSV::x * FXT_PSV::x + FXT_PSV::y * FXT_PSV::y); |
| if (fLen < 0.0001f) { |
| return; |
| } |
| FXT_PSV::x = ((baseType)FXT_PSV::x) / fLen; |
| FXT_PSV::y = ((baseType)FXT_PSV::y) / fLen; |
| } |
| baseType DotProduct(baseType otherx, baseType othery) const { |
| return FXT_PSV::x * otherx + FXT_PSV::y * othery; |
| } |
| baseType DotProduct(const FXT_VECTOR& v) const { |
| return FXT_PSV::x * v.x + FXT_PSV::y * v.y; |
| } |
| FX_BOOL IsParallel(baseType otherx, baseType othery) const { |
| baseType t = FXT_PSV::x * othery - FXT_PSV::y * otherx; |
| return FXSYS_fabs(t) < 0x0001f; |
| } |
| FX_BOOL IsParallel(const FXT_VECTOR& v) const { return IsParallel(v.x, v.y); } |
| FX_BOOL IsPerpendicular(baseType otherx, baseType othery) const { |
| baseType t = DotProduct(otherx, othery); |
| return FXSYS_fabs(t) < 0x0001f; |
| } |
| FX_BOOL IsPerpendicular(const FXT_VECTOR& v) const { |
| return IsPerpendicular(v.x, v.y); |
| } |
| void Translate(baseType dx, baseType dy) { |
| FXT_PSV::x += dx, FXT_PSV::y += dy; |
| } |
| void Scale(baseType sx, baseType sy) { FXT_PSV::x *= sx, FXT_PSV::y *= sy; } |
| void Rotate(FX_FLOAT fRadian) { |
| FX_FLOAT xx = (FX_FLOAT)FXT_PSV::x; |
| FX_FLOAT yy = (FX_FLOAT)FXT_PSV::y; |
| FX_FLOAT cosValue = FXSYS_cos(fRadian); |
| FX_FLOAT sinValue = FXSYS_sin(fRadian); |
| FXT_PSV::x = xx * cosValue - yy * sinValue; |
| FXT_PSV::y = xx * sinValue + yy * cosValue; |
| } |
| friend FX_FLOAT Cosine(const FXT_VECTOR& v1, const FXT_VECTOR& v2) { |
| FXSYS_assert(v1.SquareLength() != 0 && v2.SquareLength() != 0); |
| FX_FLOAT dotProduct = v1.DotProduct(v2); |
| return dotProduct / |
| (FX_FLOAT)FXSYS_sqrt(v1.SquareLength() * v2.SquareLength()); |
| } |
| friend FX_FLOAT ArcCosine(const FXT_VECTOR& v1, const FXT_VECTOR& v2) { |
| return (FX_FLOAT)FXSYS_acos(Cosine(v1, v2)); |
| } |
| friend FX_FLOAT SlopeAngle(const FXT_VECTOR& v) { |
| CFX_VTemplate vx; |
| vx.Set(1, 0); |
| FX_FLOAT fSlope = ArcCosine(v, vx); |
| return v.y < 0 ? -fSlope : fSlope; |
| } |
| }; |
| typedef CFX_VTemplate<int32_t> CFX_Vector; |
| typedef CFX_VTemplate<FX_FLOAT> CFX_VectorF; |
| template <class baseType> |
| class CFX_RTemplate { |
| public: |
| typedef CFX_PSVTemplate<baseType> FXT_POINT; |
| typedef CFX_PSVTemplate<baseType> FXT_SIZE; |
| typedef CFX_VTemplate<baseType> FXT_VECTOR; |
| typedef CFX_PRLTemplate<baseType> FXT_PARAL; |
| typedef CFX_RTemplate<baseType> FXT_RECT; |
| void Set(baseType left, baseType top, baseType width, baseType height) { |
| FXT_RECT::left = left, FXT_RECT::top = top, FXT_RECT::width = width, |
| FXT_RECT::height = height; |
| } |
| void Set(baseType left, baseType top, const FXT_SIZE& size) { |
| FXT_RECT::left = left, FXT_RECT::top = top, FXT_RECT::Size(size); |
| } |
| void Set(const FXT_POINT& p, baseType width, baseType height) { |
| TopLeft(p), FXT_RECT::width = width, FXT_RECT::height = height; |
| } |
| void Set(const FXT_POINT& p1, const FXT_POINT& p2) { |
| TopLeft(p1), FXT_RECT::width = p2.x - p1.x, FXT_RECT::height = p2.y - p1.y, |
| FXT_RECT::Normalize(); |
| } |
| void Set(const FXT_POINT& p, const FXT_VECTOR& v) { |
| TopLeft(p), FXT_RECT::width = v.x, FXT_RECT::height = v.y, |
| FXT_RECT::Normalize(); |
| } |
| void Reset() { |
| FXT_RECT::left = FXT_RECT::top = FXT_RECT::width = FXT_RECT::height = 0; |
| } |
| FXT_RECT& operator+=(const FXT_POINT& p) { |
| left += p.x, top += p.y; |
| return *this; |
| } |
| FXT_RECT& operator-=(const FXT_POINT& p) { |
| left -= p.x, top -= p.y; |
| return *this; |
| } |
| baseType right() const { return left + width; } |
| baseType bottom() const { return top + height; } |
| void Normalize() { |
| if (width < 0) { |
| left += width; |
| width = -width; |
| } |
| if (height < 0) { |
| top += height; |
| height = -height; |
| } |
| } |
| void Offset(baseType dx, baseType dy) { |
| left += dx; |
| top += dy; |
| } |
| void Inflate(baseType x, baseType y) { |
| left -= x; |
| width += x * 2; |
| top -= y; |
| height += y * 2; |
| } |
| void Inflate(const FXT_POINT& p) { Inflate(p.x, p.y); } |
| void Inflate(baseType left, baseType top, baseType right, baseType bottom) { |
| FXT_RECT::left -= left; |
| FXT_RECT::top -= top; |
| FXT_RECT::width += left + right; |
| FXT_RECT::height += top + bottom; |
| } |
| void Inflate(const FXT_RECT& rt) { |
| Inflate(rt.left, rt.top, rt.left + rt.width, rt.top + rt.height); |
| } |
| void Deflate(baseType x, baseType y) { |
| left += x; |
| width -= x * 2; |
| top += y; |
| height -= y * 2; |
| } |
| void Deflate(const FXT_POINT& p) { Deflate(p.x, p.y); } |
| void Deflate(baseType left, baseType top, baseType right, baseType bottom) { |
| FXT_RECT::left += left; |
| FXT_RECT::top += top; |
| FXT_RECT::width -= left + right; |
| FXT_RECT::height -= top + bottom; |
| } |
| void Deflate(const FXT_RECT& rt) { |
| Deflate(rt.left, rt.top, rt.top + rt.width, rt.top + rt.height); |
| } |
| FX_BOOL IsEmpty() const { return width <= 0 || height <= 0; } |
| FX_BOOL IsEmpty(FX_FLOAT fEpsilon) const { |
| return width <= fEpsilon || height <= fEpsilon; |
| } |
| void Empty() { width = height = 0; } |
| FX_BOOL Contains(baseType x, baseType y) const { |
| return x >= left && x < left + width && y >= top && y < top + height; |
| } |
| FX_BOOL Contains(const FXT_POINT& p) const { return Contains(p.x, p.y); } |
| FX_BOOL Contains(const FXT_RECT& rt) const { |
| return rt.left >= left && rt.right() <= right() && rt.top >= top && |
| rt.bottom() <= bottom(); |
| } |
| baseType Width() const { return width; } |
| baseType Height() const { return height; } |
| FXT_SIZE Size() const { |
| FXT_SIZE size; |
| size.Set(width, height); |
| return size; |
| } |
| void Size(FXT_SIZE s) { width = s.x, height = s.y; } |
| FXT_POINT TopLeft() const { |
| FXT_POINT p; |
| p.x = left; |
| p.y = top; |
| return p; |
| } |
| FXT_POINT TopRight() const { |
| FXT_POINT p; |
| p.x = left + width; |
| p.y = top; |
| return p; |
| } |
| FXT_POINT BottomLeft() const { |
| FXT_POINT p; |
| p.x = left; |
| p.y = top + height; |
| return p; |
| } |
| FXT_POINT BottomRight() const { |
| FXT_POINT p; |
| p.x = left + width; |
| p.y = top + height; |
| return p; |
| } |
| void TopLeft(FXT_POINT tl) { |
| left = tl.x; |
| top = tl.y; |
| } |
| void TopRight(FXT_POINT tr) { |
| width = tr.x - left; |
| top = tr.y; |
| } |
| void BottomLeft(FXT_POINT bl) { |
| left = bl.x; |
| height = bl.y - top; |
| } |
| void BottomRight(FXT_POINT br) { |
| width = br.x - left; |
| height = br.y - top; |
| } |
| FXT_POINT Center() const { |
| FXT_POINT p; |
| p.x = left + width / 2; |
| p.y = top + height / 2; |
| return p; |
| } |
| void GetParallelogram(FXT_PARAL& pg) const { |
| pg.x = left, pg.y = top; |
| pg.x1 = width, pg.y1 = 0; |
| pg.x2 = 0, pg.y2 = height; |
| } |
| void Union(baseType x, baseType y) { |
| baseType r = right(), b = bottom(); |
| if (left > x) { |
| left = x; |
| } |
| if (r < x) { |
| r = x; |
| } |
| if (top > y) { |
| top = y; |
| } |
| if (b < y) { |
| b = y; |
| } |
| width = r - left; |
| height = b - top; |
| } |
| void Union(const FXT_POINT& p) { Union(p.x, p.y); } |
| void Union(const FXT_RECT& rt) { |
| baseType r = right(), b = bottom(); |
| if (left > rt.left) { |
| left = rt.left; |
| } |
| if (r < rt.right()) { |
| r = rt.right(); |
| } |
| if (top > rt.top) { |
| top = rt.top; |
| } |
| if (b < rt.bottom()) { |
| b = rt.bottom(); |
| } |
| width = r - left; |
| height = b - top; |
| } |
| void Intersect(const FXT_RECT& rt) { |
| baseType r = right(), b = bottom(); |
| if (left < rt.left) { |
| left = rt.left; |
| } |
| if (r > rt.right()) { |
| r = rt.right(); |
| } |
| if (top < rt.top) { |
| top = rt.top; |
| } |
| if (b > rt.bottom()) { |
| b = rt.bottom(); |
| } |
| width = r - left; |
| height = b - top; |
| } |
| FX_BOOL IntersectWith(const FXT_RECT& rt) const { |
| FXT_RECT rect = rt; |
| rect.Intersect(*this); |
| return !rect.IsEmpty(); |
| } |
| FX_BOOL IntersectWith(const FXT_RECT& rt, FX_FLOAT fEpsilon) const { |
| FXT_RECT rect = rt; |
| rect.Intersect(*this); |
| return !rect.IsEmpty(fEpsilon); |
| } |
| friend FX_BOOL operator==(const FXT_RECT& rc1, const FXT_RECT& rc2) { |
| return rc1.left == rc2.left && rc1.top == rc2.top && |
| rc1.width == rc2.width && rc1.height == rc2.height; |
| } |
| friend FX_BOOL operator!=(const FXT_RECT& rc1, const FXT_RECT& rc2) { |
| return rc1.left != rc2.left || rc1.top != rc2.top || |
| rc1.width != rc2.width || rc1.height != rc2.height; |
| } |
| baseType left, top; |
| baseType width, height; |
| }; |
| typedef CFX_RTemplate<int32_t> CFX_Rect; |
| typedef CFX_RTemplate<FX_FLOAT> CFX_RectF; |
| typedef CFX_RTemplate<int32_t>* FX_LPRECT; |
| 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); |
| |
| FX_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_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_FloatPoint* pPoints, int nPoints); |
| |
| FX_FLOAT left; |
| |
| FX_FLOAT right; |
| |
| FX_FLOAT bottom; |
| |
| FX_FLOAT top; |
| }; |
| class CFX_Matrix { |
| public: |
| CFX_Matrix() { |
| a = d = 1; |
| b = c = e = f = 0; |
| } |
| |
| CFX_Matrix(FX_FLOAT a1, |
| FX_FLOAT b1, |
| FX_FLOAT c1, |
| FX_FLOAT d1, |
| FX_FLOAT e1, |
| FX_FLOAT f1) { |
| a = a1; |
| b = b1; |
| c = c1; |
| d = d1; |
| e = e1; |
| f = f1; |
| } |
| |
| void Set(FX_FLOAT a, |
| FX_FLOAT b, |
| FX_FLOAT c, |
| FX_FLOAT d, |
| FX_FLOAT e, |
| FX_FLOAT f); |
| void Set(const FX_FLOAT n[6]); |
| |
| void SetIdentity() { |
| a = d = 1; |
| b = c = e = f = 0; |
| } |
| |
| void SetReverse(const CFX_Matrix& m); |
| |
| void Concat(FX_FLOAT a, |
| FX_FLOAT b, |
| FX_FLOAT c, |
| FX_FLOAT d, |
| FX_FLOAT e, |
| FX_FLOAT f, |
| FX_BOOL bPrepended = FALSE); |
| |
| void Concat(const CFX_Matrix& m, FX_BOOL bPrepended = FALSE); |
| |
| void ConcatInverse(const CFX_Matrix& m, FX_BOOL bPrepended = FALSE); |
| void Reset() { SetIdentity(); } |
| |
| void Copy(const CFX_Matrix& m) { *this = m; } |
| |
| FX_BOOL IsIdentity() const { |
| return a == 1 && b == 0 && c == 0 && d == 1 && e == 0 && f == 0; |
| } |
| FX_BOOL IsInvertible() const; |
| |
| FX_BOOL Is90Rotated() const; |
| |
| FX_BOOL IsScaled() const; |
| |
| void Translate(FX_FLOAT x, FX_FLOAT y, FX_BOOL bPrepended = FALSE); |
| |
| void TranslateI(int32_t x, int32_t y, FX_BOOL bPrepended = FALSE) { |
| Translate((FX_FLOAT)x, (FX_FLOAT)y, bPrepended); |
| } |
| |
| void Scale(FX_FLOAT sx, FX_FLOAT sy, FX_BOOL bPrepended = FALSE); |
| |
| void Rotate(FX_FLOAT fRadian, FX_BOOL bPrepended = FALSE); |
| |
| void RotateAt(FX_FLOAT fRadian, |
| FX_FLOAT x, |
| FX_FLOAT y, |
| FX_BOOL bPrepended = FALSE); |
| |
| void Shear(FX_FLOAT fAlphaRadian, |
| FX_FLOAT fBetaRadian, |
| FX_BOOL bPrepended = FALSE); |
| |
| void MatchRect(const CFX_FloatRect& dest, const CFX_FloatRect& src); |
| |
| FX_FLOAT GetXUnit() const; |
| |
| FX_FLOAT GetYUnit() const; |
| void GetUnitRect(CFX_RectF& rect) const; |
| |
| CFX_FloatRect GetUnitRect() const; |
| |
| FX_FLOAT GetUnitArea() const; |
| FX_FLOAT TransformXDistance(FX_FLOAT dx) const; |
| int32_t TransformXDistance(int32_t dx) const; |
| FX_FLOAT TransformYDistance(FX_FLOAT dy) const; |
| int32_t TransformYDistance(int32_t dy) const; |
| FX_FLOAT TransformDistance(FX_FLOAT dx, FX_FLOAT dy) const; |
| int32_t TransformDistance(int32_t dx, int32_t dy) const; |
| |
| FX_FLOAT TransformDistance(FX_FLOAT distance) const; |
| void TransformPoint(FX_FLOAT& x, FX_FLOAT& y) const; |
| void TransformPoint(int32_t& x, int32_t& y) const; |
| void TransformPoints(CFX_PointF* points, int32_t iCount) const; |
| void TransformPoints(CFX_Point* points, int32_t iCount) const; |
| |
| void Transform(FX_FLOAT& x, FX_FLOAT& y) const { TransformPoint(x, y); } |
| |
| void Transform(FX_FLOAT x, FX_FLOAT y, FX_FLOAT& x1, FX_FLOAT& y1) const { |
| x1 = x, y1 = y; |
| TransformPoint(x1, y1); |
| } |
| void TransformVector(CFX_VectorF& v) const; |
| void TransformVector(CFX_Vector& v) const; |
| void TransformRect(CFX_RectF& rect) const; |
| void TransformRect(CFX_Rect& rect) const; |
| |
| void TransformRect(FX_FLOAT& left, |
| FX_FLOAT& right, |
| FX_FLOAT& top, |
| FX_FLOAT& bottom) const; |
| |
| void TransformRect(CFX_FloatRect& rect) const { |
| TransformRect(rect.left, rect.right, rect.top, rect.bottom); |
| } |
| |
| FX_FLOAT GetA() const { return a; } |
| |
| FX_FLOAT GetB() const { return b; } |
| |
| FX_FLOAT GetC() const { return c; } |
| |
| FX_FLOAT GetD() const { return d; } |
| |
| FX_FLOAT GetE() const { return e; } |
| |
| FX_FLOAT GetF() const { return f; } |
| |
| public: |
| FX_FLOAT a; |
| FX_FLOAT b; |
| FX_FLOAT c; |
| FX_FLOAT d; |
| FX_FLOAT e; |
| FX_FLOAT f; |
| }; |
| #define CFX_AffineMatrix CFX_Matrix |
| |
| #endif // CORE_INCLUDE_FXCRT_FX_COORDINATES_H_ |