| // 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 _FXCRT_COORDINATES_ |
| #define _FXCRT_COORDINATES_ |
| 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 CFX_Object |
| { |
| 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<FX_INT32> CFX_Point; |
| typedef CFX_PSVTemplate<FX_FLOAT> CFX_PointF; |
| typedef CFX_PSVTemplate<FX_INT32> 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<FX_INT32> * FX_LPPOINT; |
| typedef CFX_PSVTemplate<FX_FLOAT> * FX_LPPOINTF; |
| typedef CFX_PSVTemplate<FX_INT32> 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 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 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); |
| FXSYS_assert(fLen >= 0.0001f); |
| FXT_PSV::x = ((baseType)FXT_PSV::x) / fLen; |
| FXT_PSV::y = ((baseType)FXT_PSV::y) / fLen; |
| } |
| baseType DotProduct(baseType x, baseType y) const |
| { |
| return FXT_PSV::x * x + FXT_PSV::y * y; |
| } |
| baseType DotProduct(const FXT_VECTOR &v) const |
| { |
| return FXT_PSV::x * v.x + FXT_PSV::y * v.y; |
| } |
| FX_BOOL IsParallel(baseType x, baseType y) const |
| { |
| baseType t = FXT_PSV::x * y - FXT_PSV::y * x; |
| return FXSYS_fabs(t) < 0x0001f; |
| } |
| FX_BOOL IsParallel(const FXT_VECTOR &v) const |
| { |
| return IsParallel(v.x, v.y); |
| } |
| FX_BOOL IsPerpendicular(baseType x, baseType y) const |
| { |
| baseType t = DotProduct(x, y); |
| 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<FX_INT32> CFX_Vector; |
| typedef CFX_VTemplate<FX_FLOAT> CFX_VectorF; |
| template<class baseType> |
| class CFX_RTemplate: public CFX_Object |
| { |
| 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<FX_INT32> CFX_Rect; |
| typedef CFX_RTemplate<FX_FLOAT> CFX_RectF; |
| typedef CFX_RTemplate<FX_INT32> * FX_LPRECT; |
| typedef CFX_RTemplate<FX_FLOAT> * FX_LPRECTF; |
| typedef CFX_RTemplate<FX_INT32> 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() {} |
| |
| 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 { |
| |
| FX_SHORT Left; |
| |
| FX_SHORT Top; |
| |
| FX_SHORT Right; |
| |
| FX_SHORT Bottom; |
| }; |
| class CFX_FloatRect : public CFX_Object |
| { |
| 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 left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top) |
| { |
| Normalize(); |
| this->left -= left; |
| this->bottom -= bottom; |
| this->right += right; |
| this->top += 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 left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top) |
| { |
| Normalize(); |
| this->left += left; |
| this->bottom += bottom; |
| this->right -= right; |
| this->top -= 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_Object |
| { |
| 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(FX_INT32 x, FX_INT32 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; |
| FX_INT32 TransformXDistance(FX_INT32 dx) const; |
| FX_FLOAT TransformYDistance(FX_FLOAT dy) const; |
| FX_INT32 TransformYDistance(FX_INT32 dy) const; |
| FX_FLOAT TransformDistance(FX_FLOAT dx, FX_FLOAT dy) const; |
| FX_INT32 TransformDistance(FX_INT32 dx, FX_INT32 dy) const; |
| |
| FX_FLOAT TransformDistance(FX_FLOAT distance) const; |
| void TransformPoint(FX_FLOAT &x, FX_FLOAT &y) const; |
| void TransformPoint(FX_INT32 &x, FX_INT32 &y) const; |
| void TransformPoints(CFX_PointF *points, FX_INT32 iCount) const; |
| void TransformPoints(CFX_Point *points, FX_INT32 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 |
