28     static SkMatrix SK_WARN_UNUSED_RESULT MakeScale(SkScalar sx, SkScalar sy) {  in MakeScale()
34     static SkMatrix SK_WARN_UNUSED_RESULT MakeScale(SkScalar scale) {  in MakeScale()
40     static SkMatrix SK_WARN_UNUSED_RESULT MakeTrans(SkScalar dx, SkScalar dy) {  in MakeTrans()
105     bool isSimilarity(SkScalar tol = SK_ScalarNearlyZero) const;
111     bool preservesRightAngles(SkScalar tol = SK_ScalarNearlyZero) const;
137     SkScalar operator[](int index) const {
142     SkScalar get(int index) const {  in get()
147     SkScalar getScaleX() const { return fMat[kMScaleX]; }  in getScaleX()
148     SkScalar getScaleY() const { return fMat[kMScaleY]; }  in getScaleY()
149     SkScalar getSkewY() const { return fMat[kMSkewY]; }  in getSkewY()
150     SkScalar getSkewX() const { return fMat[kMSkewX]; }  in getSkewX()
151     SkScalar getTranslateX() const { return fMat[kMTransX]; }  in getTranslateX()
152     SkScalar getTranslateY() const { return fMat[kMTransY]; }  in getTranslateY()
153     SkScalar getPerspX() const { return fMat[kMPersp0]; }  in getPerspX()
154     SkScalar getPerspY() const { return fMat[kMPersp1]; }  in getPerspY()
156     SkScalar& operator[](int index) {
162     void set(int index, SkScalar value) {  in set()
168     void setScaleX(SkScalar v) { this->set(kMScaleX, v); }  in setScaleX()
169     void setScaleY(SkScalar v) { this->set(kMScaleY, v); }  in setScaleY()
170     void setSkewY(SkScalar v) { this->set(kMSkewY, v); }  in setSkewY()
171     void setSkewX(SkScalar v) { this->set(kMSkewX, v); }  in setSkewX()
172     void setTranslateX(SkScalar v) { this->set(kMTransX, v); }  in setTranslateX()
173     void setTranslateY(SkScalar v) { this->set(kMTransY, v); }  in setTranslateY()
174     void setPerspX(SkScalar v) { this->set(kMPersp0, v); }  in setPerspX()
175     void setPerspY(SkScalar v) { this->set(kMPersp1, v); }  in setPerspY()
177     void setAll(SkScalar scaleX, SkScalar skewX,  SkScalar transX,  in setAll()
178                 SkScalar skewY,  SkScalar scaleY, SkScalar transY,  in setAll()
179                 SkScalar persp0, SkScalar persp1, SkScalar persp2) {  in setAll()
196     void get9(SkScalar buffer[9]) const {  in get9()
197         memcpy(buffer, fMat, 9 * sizeof(SkScalar));  in get9()
207     void set9(const SkScalar buffer[9]);
217     void setTranslate(SkScalar dx, SkScalar dy);
224     void setScale(SkScalar sx, SkScalar sy, SkScalar px, SkScalar py);
227     void setScale(SkScalar sx, SkScalar sy);
236     void setRotate(SkScalar degrees, SkScalar px, SkScalar py);
239     void setRotate(SkScalar degrees);
244     void setSinCos(SkScalar sinValue, SkScalar cosValue,
245                    SkScalar px, SkScalar py);
248     void setSinCos(SkScalar sinValue, SkScalar cosValue);
256     void setSkew(SkScalar kx, SkScalar ky, SkScalar px, SkScalar py);
259     void setSkew(SkScalar kx, SkScalar ky);
269     void preTranslate(SkScalar dx, SkScalar dy);
273     void preScale(SkScalar sx, SkScalar sy, SkScalar px, SkScalar py);
277     void preScale(SkScalar sx, SkScalar sy);
281     void preRotate(SkScalar degrees, SkScalar px, SkScalar py);
285     void preRotate(SkScalar degrees);
289     void preSkew(SkScalar kx, SkScalar ky, SkScalar px, SkScalar py);
293     void preSkew(SkScalar kx, SkScalar ky);
302     void postTranslate(SkScalar dx, SkScalar dy);
306     void postScale(SkScalar sx, SkScalar sy, SkScalar px, SkScalar py);
310     void postScale(SkScalar sx, SkScalar sy);
318     void postRotate(SkScalar degrees, SkScalar px, SkScalar py);
322     void postRotate(SkScalar degrees);
326     void postSkew(SkScalar kx, SkScalar ky, SkScalar px, SkScalar py);
330     void postSkew(SkScalar kx, SkScalar ky);
408     static void SetAffineIdentity(SkScalar affine[6]);
415     bool SK_WARN_UNUSED_RESULT asAffine(SkScalar affine[6]) const;
420     void setAffine(const SkScalar affine[6]);
455         SkASSERT(0 == stride % sizeof(SkScalar));  in mapPointsWithStride()
467         SkASSERT(0 == stride % sizeof(SkScalar));  in mapPointsWithStride()
486     void mapHomogeneousPoints(SkScalar dst[], const SkScalar src[], int count) const;
488     void mapXY(SkScalar x, SkScalar y, SkPoint* result) const {  in mapXY()
493     SkPoint mapXY(SkScalar x, SkScalar y) const {  in mapXY()
522     void mapVector(SkScalar dx, SkScalar dy, SkVector* result) const {  in mapVector()
527     SkVector mapVector(SkScalar dx, SkScalar dy) const {  in mapVector()
568     SkScalar mapRadius(SkScalar radius) const;
570     typedef void (*MapXYProc)(const SkMatrix& mat, SkScalar x, SkScalar y,
603     SkVector fixedStepInX(SkScalar y) const;
624         kMaxFlattenSize = 9 * sizeof(SkScalar) + sizeof(uint32_t)
648     SkScalar getMinScale() const;
657     SkScalar getMaxScale() const;
664     bool SK_WARN_UNUSED_RESULT getMinMaxScales(SkScalar scaleFactors[2]) const;
736     SkScalar         fMat[9];
743     static void ComputeInv(SkScalar dst[9], const SkScalar src[9], double invDet, bool isPersp);
745     void setScaleTranslate(SkScalar sx, SkScalar sy, SkScalar tx, SkScalar ty) {  in setScaleTranslate()
814     static void Identity_xy(const SkMatrix&, SkScalar, SkScalar, SkPoint*);
815     static void Trans_xy(const SkMatrix&, SkScalar, SkScalar, SkPoint*);
816     static void Scale_xy(const SkMatrix&, SkScalar, SkScalar, SkPoint*);
817     static void ScaleTrans_xy(const SkMatrix&, SkScalar, SkScalar, SkPoint*);
818     static void Rot_xy(const SkMatrix&, SkScalar, SkScalar, SkPoint*);
819     static void RotTrans_xy(const SkMatrix&, SkScalar, SkScalar, SkPoint*);
820     static void Persp_xy(const SkMatrix&, SkScalar, SkScalar, SkPoint*);