diff options
Diffstat (limited to 'gdk-pixbuf/gdk-pixbuf.c')
-rw-r--r-- | gdk-pixbuf/gdk-pixbuf.c | 70 |
1 files changed, 54 insertions, 16 deletions
diff --git a/gdk-pixbuf/gdk-pixbuf.c b/gdk-pixbuf/gdk-pixbuf.c index ae186dda72..2fbd7213aa 100644 --- a/gdk-pixbuf/gdk-pixbuf.c +++ b/gdk-pixbuf/gdk-pixbuf.c @@ -6,6 +6,9 @@ */ #include <config.h> #include <glib.h> +#include <libart_lgpl/art_misc.h> +#include <libart_lgpl/art_rgb_affine.h> +#include <libart_lgpl/art_alphagamma.h> #include "gdk-pixbuf.h" @@ -19,35 +22,70 @@ gdk_pixbuf_destroy (GdkPixBuf *pixbuf) void gdk_pixbuf_ref (GdkPixBuf *pixbuf) { - g_return_if_fail (pixbuf != NULL); - - pixbuf->ref_count++; + g_return_if_fail (pixbuf != NULL); + + pixbuf->ref_count++; } void gdk_pixbuf_unref (GdkPixBuf *pixbuf) { - g_return_if_fail (pixbuf != NULL); - g_return_if_fail (pixbuf->ref_count == 0); + g_return_if_fail (pixbuf != NULL); + g_return_if_fail (pixbuf->ref_count == 0); + + pixbuf->ref_count--; + if (pixbuf->ref_count) + gdk_pixbuf_destroy (pixbuf); +} - pixbuf->ref_count--; - if (pixbuf->ref_count) - gdk_pixbuf_destroy (pixbuf); +void +gdk_pixbuf_free (GdkPixBuf *pixbuf) +{ + art_free(pixbuf->art_pixbuf->pixels); + art_pixbuf_free_shallow(pixbuf->art_pixbuf); + g_free(pixbuf); } GdkPixBuf * gdk_pixbuf_scale (GdkPixBuf *pixbuf, gint w, gint h) { GdkPixBuf *spb; + art_u8 *pixels; double affine[6]; - -} + ArtAlphaGamma *alphagamma; + alphagamma = NULL; -/* - * Local variables: - * c-basic-offset: 4 - * c-file-offsets: ((substatement-open . 0)) - * End: - */ + affine[0] = affine[3] = 1; + affine[4] = affine[5] = 0; + + affine[1] = w / (pixbuf->art_pixbuf->width); + affine[2] = h / (pixbuf->art_pixbuf->height); + + spb = g_new (GdkPixBuf, 1); + if (pixbuf->art_pixbuf->has_alpha) { + /* Following code is WRONG....of course, the code for this + * transform isn't in libart yet. + */ +#if 0 + pixels = art_alloc (h * w * 4); + art_rgb_affine( pixels, 0, 0, w, h, (w * 4), + pixbuf->art_pixbuf->pixels, + pixbuf->art_pixbuf->width, + pixbuf->art_pixbuf->height, + pixbuf->art_pixbuf->rowstride, + affine, ART_FILTER_NEAREST, alphagamma); + spb->art_pixbuf = art_pixbuf_new_rgba(pixels, w, h, (w * 4)); +#endif + } else { + art_alloc (h * w * 3); + art_rgb_affine( pixels, 0, 0, w, h, (w * 3), + pixbuf->art_pixbuf->pixels, + pixbuf->art_pixbuf->width, + pixbuf->art_pixbuf->height, + pixbuf->art_pixbuf->rowstride, + affine, ART_FILTER_NEAREST, alphagamma); + spb->art_pixbuf = art_pixbuf_new_rgb(pixels, w, h, (w * 3)); + } +} |