diff options
Diffstat (limited to 'chromium/third_party/blink/renderer/platform/transforms/transformation_matrix.h')
| -rw-r--r-- | chromium/third_party/blink/renderer/platform/transforms/transformation_matrix.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/chromium/third_party/blink/renderer/platform/transforms/transformation_matrix.h b/chromium/third_party/blink/renderer/platform/transforms/transformation_matrix.h index 816565aec6f..7f524dca1b8 100644 --- a/chromium/third_party/blink/renderer/platform/transforms/transformation_matrix.h +++ b/chromium/third_party/blink/renderer/platform/transforms/transformation_matrix.h @@ -393,10 +393,20 @@ class PLATFORM_EXPORT TransformationMatrix { double perspective_x, perspective_y, perspective_z, perspective_w; } DecomposedType; + // Decompose 2-D transform matrix into its component parts. + typedef struct { + double scale_x, scale_y; + double skew_xy; + double translate_x, translate_y; + double angle; + } Decomposed2dType; + WARN_UNUSED_RESULT bool Decompose(DecomposedType&) const; + WARN_UNUSED_RESULT bool Decompose2D(Decomposed2dType&) const; void Recompose(const DecomposedType&); - + void Recompose2D(const Decomposed2dType&); void Blend(const TransformationMatrix& from, double progress); + void Blend2D(const TransformationMatrix& from, double progress); bool IsAffine() const { return M13() == 0 && M14() == 0 && M23() == 0 && M24() == 0 && M31() == 0 && @@ -475,6 +485,8 @@ class PLATFORM_EXPORT TransformationMatrix { matrix_[2][3] == 0 && matrix_[3][2] == 0 && matrix_[3][3] == 1; } + bool Is2dTransform() const; + bool IsIntegerTranslation() const; // Returns true if axis-aligned 2d rects will remain axis-aligned after being |