From: Marco Pesenti Gritti Date: Fri, 24 Jun 2005 08:59:56 +0000 (+0000) Subject: Implement rotation and cleanup the code a bit. X-Git-Tag: EVINCE_0_3_3~206 X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=bf2e7e1e34b8940db72a55af9f3dabcf20ebb095;p=evince.git Implement rotation and cleanup the code a bit. 2005-06-24 Marco Pesenti Gritti * pixbuf/pixbuf-document.c: (pixbuf_document_get_orientation), (pixbuf_document_set_orientation), (rotate_pixbuf), (pixbuf_document_get_page_size), (pixbuf_document_render_pixbuf), (pixbuf_document_document_iface_init), (pixbuf_document_init): Implement rotation and cleanup the code a bit. * tiff/tiff-document.c: (tiff_document_get_page_size), (tiff_document_get_orientation), (tiff_document_set_orientation), (rotate_pixbuf), (tiff_document_render_pixbuf), (tiff_document_document_iface_init), (tiff_document_init): Implement rotation. Was the quicker solution for the release but we really need to share this code in the shell. --- diff --git a/ChangeLog b/ChangeLog index 04bcd52c..84aae5df 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,20 @@ +2005-06-24 Marco Pesenti Gritti + + * pixbuf/pixbuf-document.c: (pixbuf_document_get_orientation), + (pixbuf_document_set_orientation), (rotate_pixbuf), + (pixbuf_document_get_page_size), (pixbuf_document_render_pixbuf), + (pixbuf_document_document_iface_init), (pixbuf_document_init): + + Implement rotation and cleanup the code a bit. + + * tiff/tiff-document.c: (tiff_document_get_page_size), + (tiff_document_get_orientation), (tiff_document_set_orientation), + (rotate_pixbuf), (tiff_document_render_pixbuf), + (tiff_document_document_iface_init), (tiff_document_init): + + Implement rotation. Was the quicker solution for the release + but we really need to share this code in the shell. + 2005-06-24 Marco Pesenti Gritti * pdf/ev-poppler.cc: diff --git a/pixbuf/pixbuf-document.c b/pixbuf/pixbuf-document.c index 18d357df..97f52718 100644 --- a/pixbuf/pixbuf-document.c +++ b/pixbuf/pixbuf-document.c @@ -30,9 +30,7 @@ struct _PixbufDocument GObject parent_instance; GdkPixbuf *pixbuf; - GdkDrawable *target; - - gint x_offset, y_offset; + EvOrientation orientation; }; typedef struct _PixbufDocumentClass PixbufDocumentClass; @@ -87,6 +85,41 @@ pixbuf_document_get_n_pages (EvDocument *document) return 1; } +static EvOrientation +pixbuf_document_get_orientation (EvDocument *document) +{ + PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document); + + return pixbuf_document->orientation; +} + +static void +pixbuf_document_set_orientation (EvDocument *document, + EvOrientation orientation) +{ + PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document); + + pixbuf_document->orientation = orientation; +} + +static GdkPixbuf * +rotate_pixbuf (EvDocument *document, GdkPixbuf *pixbuf) +{ + PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document); + + switch (pixbuf_document->orientation) + { + case EV_ORIENTATION_LANDSCAPE: + return gdk_pixbuf_rotate_simple (pixbuf, 90); + case EV_ORIENTATION_UPSIDEDOWN: + return gdk_pixbuf_rotate_simple (pixbuf, 180); + case EV_ORIENTATION_SEASCAPE: + return gdk_pixbuf_rotate_simple (pixbuf, 270); + default: + return g_object_ref (pixbuf); + } +} + static void pixbuf_document_get_page_size (EvDocument *document, int page, @@ -95,23 +128,31 @@ pixbuf_document_get_page_size (EvDocument *document, { PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document); - if (width) + if (pixbuf_document->orientation == EV_ORIENTATION_PORTRAIT || + pixbuf_document->orientation == EV_ORIENTATION_UPSIDEDOWN) { *width = gdk_pixbuf_get_width (pixbuf_document->pixbuf); - if (height) *height = gdk_pixbuf_get_height (pixbuf_document->pixbuf); - - printf ("get_page_size, page=%d, *width=%f, *height=%f\n", - page, *width, *height); + } else { + *width = gdk_pixbuf_get_height (pixbuf_document->pixbuf); + *height = gdk_pixbuf_get_width (pixbuf_document->pixbuf); + } } static GdkPixbuf* pixbuf_document_render_pixbuf (EvDocument *document, int page, double scale) { PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document); - return gdk_pixbuf_scale_simple (pixbuf_document->pixbuf, - gdk_pixbuf_get_width (pixbuf_document->pixbuf) * scale, - gdk_pixbuf_get_height (pixbuf_document->pixbuf) * scale, - GDK_INTERP_BILINEAR); + GdkPixbuf *scaled_pixbuf, *rotated_pixbuf; + + scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf, + gdk_pixbuf_get_width (pixbuf_document->pixbuf) * scale, + gdk_pixbuf_get_height (pixbuf_document->pixbuf) * scale, + GDK_INTERP_BILINEAR); + + rotated_pixbuf = rotate_pixbuf (document, scaled_pixbuf); + g_object_unref (scaled_pixbuf); + + return rotated_pixbuf; } static void @@ -159,6 +200,8 @@ pixbuf_document_document_iface_init (EvDocumentIface *iface) iface->get_page_size = pixbuf_document_get_page_size; iface->render_pixbuf = pixbuf_document_render_pixbuf; iface->get_info = pixbuf_document_get_info; + iface->get_orientation = pixbuf_document_get_orientation; + iface->set_orientation = pixbuf_document_set_orientation; } static GdkPixbuf * @@ -209,6 +252,4 @@ pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface static void pixbuf_document_init (PixbufDocument *pixbuf_document) { - pixbuf_document->x_offset = 0; - pixbuf_document->y_offset = 0; } diff --git a/tiff/tiff-document.c b/tiff/tiff-document.c index 9605c16e..a4c8638a 100644 --- a/tiff/tiff-document.c +++ b/tiff/tiff-document.c @@ -36,6 +36,7 @@ struct _TiffDocument TIFF *tiff; gint n_pages; + EvOrientation orientation; }; typedef struct _TiffDocumentClass TiffDocumentClass; @@ -157,11 +158,52 @@ tiff_document_get_page_size (EvDocument *document, TIFFGetField (tiff_document->tiff, TIFFTAG_IMAGEWIDTH, &w); TIFFGetField (tiff_document->tiff, TIFFTAG_IMAGELENGTH, &h); - *width = w; - *height = h; + if (tiff_document->orientation == EV_ORIENTATION_PORTRAIT || + tiff_document->orientation == EV_ORIENTATION_UPSIDEDOWN) { + *width = w; + *height = h; + } else { + *width = h; + *height = w; + } pop_handlers (); } +static EvOrientation +tiff_document_get_orientation (EvDocument *document) +{ + TiffDocument *tiff_document = TIFF_DOCUMENT (document); + + return tiff_document->orientation; +} + +static void +tiff_document_set_orientation (EvDocument *document, + EvOrientation orientation) +{ + TiffDocument *tiff_document = TIFF_DOCUMENT (document); + + tiff_document->orientation = orientation; +} + +static GdkPixbuf * +rotate_pixbuf (EvDocument *document, GdkPixbuf *pixbuf) +{ + TiffDocument *tiff_document = TIFF_DOCUMENT (document); + + switch (tiff_document->orientation) + { + case EV_ORIENTATION_LANDSCAPE: + return gdk_pixbuf_rotate_simple (pixbuf, 90); + case EV_ORIENTATION_UPSIDEDOWN: + return gdk_pixbuf_rotate_simple (pixbuf, 180); + case EV_ORIENTATION_SEASCAPE: + return gdk_pixbuf_rotate_simple (pixbuf, 270); + default: + return g_object_ref (pixbuf); + } +} + static GdkPixbuf * tiff_document_render_pixbuf (EvDocument *document, int page, double scale) { @@ -171,6 +213,7 @@ tiff_document_render_pixbuf (EvDocument *document, int page, double scale) guchar *pixels = NULL; GdkPixbuf *pixbuf; GdkPixbuf *scaled_pixbuf; + GdkPixbuf *rotated_pixbuf; g_return_val_if_fail (TIFF_IS_DOCUMENT (document), 0); g_return_val_if_fail (tiff_document->tiff != NULL, 0); @@ -228,7 +271,10 @@ tiff_document_render_pixbuf (EvDocument *document, int page, double scale) GDK_INTERP_BILINEAR); g_object_unref (pixbuf); - return scaled_pixbuf; + rotated_pixbuf = rotate_pixbuf (document, scaled_pixbuf); + g_object_unref (scaled_pixbuf); + + return rotated_pixbuf; } static void @@ -276,6 +322,8 @@ tiff_document_document_iface_init (EvDocumentIface *iface) iface->get_page_size = tiff_document_get_page_size; iface->render_pixbuf = tiff_document_render_pixbuf; iface->get_info = tiff_document_get_info; + iface->get_orientation = tiff_document_get_orientation; + iface->set_orientation = tiff_document_set_orientation; } static GdkPixbuf * @@ -336,4 +384,5 @@ static void tiff_document_init (TiffDocument *tiff_document) { tiff_document->n_pages = -1; + tiff_document->orientation = EV_ORIENTATION_PORTRAIT; }