diff options
Diffstat (limited to 'fiv-io.c')
| -rw-r--r-- | fiv-io.c | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -3451,34 +3451,40 @@ fiv_io_orientation_apply(const FivIoImage *image, FivIoOrientation orientation, double *width, double *height) { fiv_io_orientation_dimensions(image, orientation, width, height); + return fiv_io_orientation_matrix(orientation, *width, *height); +} +cairo_matrix_t +fiv_io_orientation_matrix( + FivIoOrientation orientation, double width, double height) +{ cairo_matrix_t matrix = {}; cairo_matrix_init_identity(&matrix); switch (orientation) { case FivIoOrientation90: cairo_matrix_rotate(&matrix, -M_PI_2); - cairo_matrix_translate(&matrix, -*width, 0); + cairo_matrix_translate(&matrix, -width, 0); break; case FivIoOrientation180: cairo_matrix_scale(&matrix, -1, -1); - cairo_matrix_translate(&matrix, -*width, -*height); + cairo_matrix_translate(&matrix, -width, -height); break; case FivIoOrientation270: cairo_matrix_rotate(&matrix, +M_PI_2); - cairo_matrix_translate(&matrix, 0, -*height); + cairo_matrix_translate(&matrix, 0, -height); break; case FivIoOrientationMirror0: cairo_matrix_scale(&matrix, -1, +1); - cairo_matrix_translate(&matrix, -*width, 0); + cairo_matrix_translate(&matrix, -width, 0); break; case FivIoOrientationMirror90: cairo_matrix_rotate(&matrix, +M_PI_2); cairo_matrix_scale(&matrix, -1, +1); - cairo_matrix_translate(&matrix, -*width, -*height); + cairo_matrix_translate(&matrix, -width, -height); break; case FivIoOrientationMirror180: cairo_matrix_scale(&matrix, +1, -1); - cairo_matrix_translate(&matrix, 0, -*height); + cairo_matrix_translate(&matrix, 0, -height); break; case FivIoOrientationMirror270: cairo_matrix_rotate(&matrix, -M_PI_2); |