Cross Reference: /external/pdfium/third_party/lpng

Lines Matching refs:XYZ
1132 png_xy_from_XYZ(png_xy *xy, const png_XYZ *XYZ)

1136    d = XYZ->red_X + XYZ->red_Y + XYZ->red_Z;

1137    if (!png_muldiv(&xy->redx, XYZ->red_X, PNG_FP_1, d)) return 1;

1138    if (!png_muldiv(&xy->redy, XYZ->red_Y, PNG_FP_1, d)) return 1;

1140    whiteX = XYZ->red_X;

1141    whiteY = XYZ->red_Y;

1143    d = XYZ->green_X + XYZ->green_Y + XYZ->green_Z;

1144    if (!png_muldiv(&xy->greenx, XYZ->green_X, PNG_FP_1, d)) return 1;

1145    if (!png_muldiv(&xy->greeny, XYZ->green_Y, PNG_FP_1, d)) return 1;

1147    whiteX += XYZ->green_X;

1148    whiteY += XYZ->green_Y;

1150    d = XYZ->blue_X + XYZ->blue_Y + XYZ->blue_Z;

1151    if (!png_muldiv(&xy->bluex, XYZ->blue_X, PNG_FP_1, d)) return 1;

1152    if (!png_muldiv(&xy->bluey, XYZ->blue_Y, PNG_FP_1, d)) return 1;

1154    whiteX += XYZ->blue_X;

1155    whiteY += XYZ->blue_Y;

1167 png_XYZ_from_xy(png_XYZ *XYZ, const png_xy *xy)

1403    if (!png_muldiv(&XYZ->red_X, xy->redx, PNG_FP_1, red_inverse)) return 1;

1404    if (!png_muldiv(&XYZ->red_Y, xy->redy, PNG_FP_1, red_inverse)) return 1;

1405    if (!png_muldiv(&XYZ->red_Z, PNG_FP_1 - xy->redx - xy->redy, PNG_FP_1,

1409    if (!png_muldiv(&XYZ->green_X, xy->greenx, PNG_FP_1, green_inverse))

1411    if (!png_muldiv(&XYZ->green_Y, xy->greeny, PNG_FP_1, green_inverse))

1413    if (!png_muldiv(&XYZ->green_Z, PNG_FP_1 - xy->greenx - xy->greeny, PNG_FP_1,

1417    if (!png_muldiv(&XYZ->blue_X, xy->bluex, blue_scale, PNG_FP_1)) return 1;

1418    if (!png_muldiv(&XYZ->blue_Y, xy->bluey, blue_scale, PNG_FP_1)) return 1;

1419    if (!png_muldiv(&XYZ->blue_Z, PNG_FP_1 - xy->bluex - xy->bluey, blue_scale,

1427 png_XYZ_normalize(png_XYZ *XYZ)

1431    if (XYZ->red_Y < 0 || XYZ->green_Y < 0 || XYZ->blue_Y < 0 ||

1432       XYZ->red_X < 0 || XYZ->green_X < 0 || XYZ->blue_X < 0 ||

1433       XYZ->red_Z < 0 || XYZ->green_Z < 0 || XYZ->blue_Z < 0)

1441    Y = XYZ->red_Y;

1442    if (0x7fffffff - Y < XYZ->green_X) return 1;

1443    Y += XYZ->green_Y;

1444    if (0x7fffffff - Y < XYZ->blue_X) return 1;

1445    Y += XYZ->blue_Y;

1449       if (!png_muldiv(&XYZ->red_X, XYZ->red_X, PNG_FP_1, Y)) return 1;

1450       if (!png_muldiv(&XYZ->red_Y, XYZ->red_Y, PNG_FP_1, Y)) return 1;

1451       if (!png_muldiv(&XYZ->red_Z, XYZ->red_Z, PNG_FP_1, Y)) return 1;

1453       if (!png_muldiv(&XYZ->green_X, XYZ->green_X, PNG_FP_1, Y)) return 1;

1454       if (!png_muldiv(&XYZ->green_Y, XYZ->green_Y, PNG_FP_1, Y)) return 1;

1455       if (!png_muldiv(&XYZ->green_Z, XYZ->green_Z, PNG_FP_1, Y)) return 1;

1457       if (!png_muldiv(&XYZ->blue_X, XYZ->blue_X, PNG_FP_1, Y)) return 1;

1458       if (!png_muldiv(&XYZ->blue_Y, XYZ->blue_Y, PNG_FP_1, Y)) return 1;

1459       if (!png_muldiv(&XYZ->blue_Z, XYZ->blue_Z, PNG_FP_1, Y)) return 1;

1481  * condition (where the determinant of the matrix to solve for XYZ ends up zero

1486  * check is to round-trip xy -> XYZ -> xy and then check that the result is

1490 png_colorspace_check_xy(png_XYZ *XYZ, const png_xy *xy)

1495    /* As a side-effect this routine also returns the XYZ endpoints. */

1496    result = png_XYZ_from_xy(XYZ, xy);

1499    result = png_xy_from_XYZ(&xy_test, XYZ);

1510 /* This is the check going the other way.  The XYZ is modified to normalize it

1514 png_colorspace_check_XYZ(png_xy *xy, png_XYZ *XYZ)

1519    result = png_XYZ_normalize(XYZ);

1522    result = png_xy_from_XYZ(xy, XYZ);

1525    XYZtemp = *XYZ;

1541    png_colorspacerp colorspace, const png_xy *xy, const png_XYZ *XYZ,

1569    colorspace->end_points_XYZ = *XYZ;

1595    png_XYZ XYZ;

1597    switch (png_colorspace_check_xy(&XYZ, xy))

1600          return png_colorspace_set_xy_and_XYZ(png_ptr, colorspace, xy, &XYZ,

1604          /* We can't invert the chromaticities so we can't produce value XYZ

1627    png_XYZ XYZ = *XYZ_in;

1630    switch (png_colorspace_check_XYZ(&xy, &XYZ))

1633          return png_colorspace_set_xy_and_XYZ(png_ptr, colorspace, &xy, &XYZ,

1747     * These XYZ values, which are accurate to 5dp, produce rgb to gray

1753    static const png_XYZ sRGB_XYZ = /* D65 XYZ (*not* the D50 adapted values!) */

1828  * is XYZ(0.9642,1.0,0.8249), which scales to:

1927     * data to XYZ or L*a*b (according to which PCS the profile uses) and this

2011     * either in XYZ or Lab.

2016       case 0x58595A20: /* 'XYZ ' */

2350          png_error(png_ptr, "internal error handling cHRM->XYZ");