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Fix SVG thumbnailing

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They're not loaded as image surfaces.
This commit is contained in:
Přemysl Eric Janouch
2022-01-07 08:50:07 +01:00
parent feda4fd70f
commit 3274b64f5a
4 changed files with 68 additions and 55 deletions
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45
fiv-io.c
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@@ -2969,51 +2969,72 @@ fiv_io_save(cairo_surface_t *page, cairo_surface_t *frame, FivIoProfile target,
// --- Metadata ----------------------------------------------------------------
gboolean
fiv_io_orientation_is_sideways(FivIoOrientation orientation)
void
fiv_io_orientation_dimensions(cairo_surface_t *surface,
FivIoOrientation orientation, double *w, double *h)
{
cairo_rectangle_t extents = {};
switch (cairo_surface_get_type(surface)) {
case CAIRO_SURFACE_TYPE_IMAGE:
extents.width = cairo_image_surface_get_width(surface);
extents.height = cairo_image_surface_get_height(surface);
break;
case CAIRO_SURFACE_TYPE_RECORDING:
if (!cairo_recording_surface_get_extents(surface, &extents))
cairo_recording_surface_ink_extents(surface,
&extents.x, &extents.y, &extents.width, &extents.height);
break;
default:
g_assert_not_reached();
}
switch (orientation) {
case FivIoOrientation90:
case FivIoOrientationMirror90:
case FivIoOrientation270:
case FivIoOrientationMirror270:
return TRUE;
*w = extents.height;
*h = extents.width;
break;
default:
return FALSE;
*w = extents.width;
*h = extents.height;
}
}
cairo_matrix_t
fiv_io_orientation_matrix(
FivIoOrientation orientation, double width, double height)
fiv_io_orientation_apply(cairo_surface_t *surface,
FivIoOrientation orientation, double *width, double *height)
{
fiv_io_orientation_dimensions(surface, orientation, width, 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);