Matrix_dirtyMatrixTypeCache.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Matrix_dirtyMatrixTypeCache, 256, 256, true, 0)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Matrix_dirtyMatrixTypeCache	,
		256	,
		256	,
		true	,
		0
	)

Definition at line 4 of file Matrix_dirtyMatrixTypeCache.cpp.

                                                           {
void draw(SkCanvas* canvas) {
    SkMatrix matrix;
    matrix.setIdentity();
    SkDebugf("with identity matrix: x = %g\n", matrix.mapXY(24, 42).fX);
    SkScalar& skewRef = matrix[SkMatrix::kMSkewX];
    skewRef = 0;
    SkDebugf("after skew x mod:     x = %g\n", matrix.mapXY(24, 42).fX);
    skewRef = 1;
    SkDebugf("after 2nd skew x mod: x = %g\n", matrix.mapXY(24, 42).fX);
    matrix.dirtyMatrixTypeCache();
    SkDebugf("after dirty cache:    x = %g\n", matrix.mapXY(24, 42).fX);
}
}  // END FIDDLE