private static void compose_pdf_page_orient_flip(T2P_BOX boxp, Orientation orientation)
{
if (boxp.x1 > boxp.x2)
{
float f = boxp.x1;
boxp.x1 = boxp.x2;
boxp.x2 = f;
}
if (boxp.y1 > boxp.y2)
{
float f = boxp.y1;
boxp.y1 = boxp.y2;
boxp.y2 = f;
}
float[] m1 = new float[9];
boxp.mat[0] = m1[0] = boxp.x2 - boxp.x1;
boxp.mat[1] = m1[1] = 0.0F;
boxp.mat[2] = m1[2] = 0.0F;
boxp.mat[3] = m1[3] = 0.0F;
boxp.mat[4] = m1[4] = boxp.y2 - boxp.y1;
boxp.mat[5] = m1[5] = 0.0F;
boxp.mat[6] = m1[6] = boxp.x1;
boxp.mat[7] = m1[7] = boxp.y1;
boxp.mat[8] = m1[8] = 1.0F;
switch (orientation)
{
case Orientation.LEFTTOP:
boxp.mat[0] = 0.0F;
boxp.mat[1] = 0.0F - m1[4];
boxp.mat[3] = 0.0F - m1[0];
boxp.mat[4] = 0.0F;
boxp.mat[6] += m1[0];
boxp.mat[7] += m1[4];
break;
case Orientation.RIGHTTOP:
boxp.mat[0] = 0.0F;
boxp.mat[1] = 0.0F - m1[4];
boxp.mat[3] = m1[0];
boxp.mat[4] = 0.0F;
boxp.mat[7] += m1[4];
break;
case Orientation.RIGHTBOT:
boxp.mat[0] = 0.0F;
boxp.mat[1] = m1[4];
boxp.mat[3] = m1[0];
boxp.mat[4] = 0.0F;
break;
case Orientation.LEFTBOT:
boxp.mat[0] = 0.0F;
boxp.mat[1] = m1[4];
boxp.mat[3] = 0.0F - m1[0];
boxp.mat[4] = 0.0F;
boxp.mat[6] += m1[0];
break;
}
}
