sc->width = width >> 16;
sc->height = height >> 16;
- //transform the display width/height according to the matrix
+ // transform the display width/height according to the matrix
// skip this if the display matrix is the default identity matrix
+ // or if it is rotating the picture, ex iPhone 3GS
// to keep the same scale, use [width height 1<<16]
if (width && height &&
- (display_matrix[0][0] != 65536 || display_matrix[0][1] ||
- display_matrix[1][0] || display_matrix[1][1] != 65536 ||
- display_matrix[2][0] || display_matrix[2][1])) {
+ ((display_matrix[0][0] != 65536 ||
+ display_matrix[1][1] != 65536) &&
+ !display_matrix[0][1] &&
+ !display_matrix[1][0] &&
+ !display_matrix[2][0] && !display_matrix[2][1])) {
for (i = 0; i < 2; i++)
disp_transform[i] =
(int64_t) width * display_matrix[0][i] +