Exemplo n.º 1
0
/*
 [0]	9.9999997e-005	float
 [1]	9.0000003e-006	float
 [2]	7.0000001e-006	float
 [3]	1000000.0	float
 [4]	90639.000	float
 [5]	70000.000	float
 [6]	0.00000000	float
 [7]	0.00000000	float
 [8]	1.0000000	float
 */
static void testinvert2() {
    const float val[] = {
        9.9999997e-005, 9.0000003e-006, 7.0000001e-006,
        1000000.0, 90639.000, 70000.000
    };
    SkMatrix matrix;
    setmatrix6(&matrix, val);
    matrix.dump();

    SkMatrix inverse;
    matrix.invert(&inverse);
    inverse.dump();

    matrix.preConcat(inverse);
    matrix.dump();
    // result is that matrix[3] is 49550 instead of 0 :(
}
Exemplo n.º 2
0
static void testinvert() {
    SkMatrix matrix;

    const float vals[] = { 0,9,.000001,10000,0,0 };
    setmatrix6(&matrix, vals);

    const float vals2[] = { 0,100,71,9,0,7 };
    SkMatrix tmp;
    setmatrix6(&tmp, vals2);
    
    matrix.preConcat(tmp);
    matrix.dump();

    SkMatrix inverse;
    matrix.invert(&inverse);
    inverse.dump();
    
    matrix.preConcat(inverse);
    matrix.dump();

//    o2dContext.setTransform(0,9,.000001,10000,0,0);
//    o2dContext.transform(0,100,71,9,0,7);
//    o2dContext.setTransform(0,6,95,4,1,0);
}