diff options
| author | Pietro Gagliardi <[email protected]> | 2014-08-30 23:02:02 -0400 |
|---|---|---|
| committer | Pietro Gagliardi <[email protected]> | 2014-08-30 23:02:02 -0400 |
| commit | 77bf566ebbcb62acd4d08d905d9542d6ff9b6b80 (patch) | |
| tree | eeb8e72bc3bf57f5be7f0c0af4319189ac6de838 /redo/imagelist_unix.go | |
| parent | 155899c65ed32245e2ccad4197a10c77017d835b (diff) | |
...in with the new.
Diffstat (limited to 'redo/imagelist_unix.go')
| -rw-r--r-- | redo/imagelist_unix.go | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/redo/imagelist_unix.go b/redo/imagelist_unix.go deleted file mode 100644 index 246f281..0000000 --- a/redo/imagelist_unix.go +++ /dev/null @@ -1,78 +0,0 @@ -// +build !windows,!darwin - -// 16 august 2014 - -package ui - -import ( - "fmt" - "unsafe" - "image" -) - -// #include "gtk_unix.h" -import "C" - -type imagelist struct { - list []*C.GdkPixbuf -} - -func newImageList() ImageList { - return new(imagelist) -} - -// this is what GtkFileChooserWidget uses -// technically it uses max(width from that, height from that) if the call below fails and 16x16 otherwise, but we won't worry about that here (yet?) -const scaleTo = C.GTK_ICON_SIZE_MENU - -func (i *imagelist) Append(img *image.RGBA) { - var width, height C.gint - - surface := C.cairo_image_surface_create(C.CAIRO_FORMAT_ARGB32, - C.int(img.Rect.Dx()), - C.int(img.Rect.Dy())) - if status := C.cairo_surface_status(surface); status != C.CAIRO_STATUS_SUCCESS { - panic(fmt.Errorf("cairo_create_image_surface() failed in ImageList.Append(): %s\n", - C.GoString(C.cairo_status_to_string(status)))) - } - C.cairo_surface_flush(surface) - toARGB(img, uintptr(unsafe.Pointer(C.cairo_image_surface_get_data(surface))), - int(C.cairo_image_surface_get_stride(surface)), false) // not NRGBA - C.cairo_surface_mark_dirty(surface) - basepixbuf := C.gdk_pixbuf_get_from_surface(surface, 0, 0, C.gint(img.Rect.Dx()), C.gint(img.Rect.Dy())) - if basepixbuf == nil { - panic(fmt.Errorf("gdk_pixbuf_get_from_surface() failed in ImageList.Append() (no reason available)")) - } - - if C.gtk_icon_size_lookup(scaleTo, &width, &height) == C.FALSE { - panic(fmt.Errorf("gtk_icon_size_lookup() failed in ImageList.Append() (no reason available)")) - } - if int(width) == img.Rect.Dx() && int(height) == img.Rect.Dy() { - // just add the base pixbuf; we're good - i.list = append(i.list, basepixbuf) - C.cairo_surface_destroy(surface) - return - } - // else scale - pixbuf := C.gdk_pixbuf_scale_simple(basepixbuf, C.int(width), C.int(height), C.GDK_INTERP_NEAREST) - if pixbuf == nil { - panic(fmt.Errorf("gdk_pixbuf_scale_simple() failed in ImageList.Append() (no reason available)")) - } - - i.list = append(i.list, pixbuf) - C.gdk_pixbuf_unref(basepixbuf) - C.cairo_surface_destroy(surface) -} - -func (i *imagelist) Len() ImageIndex { - return ImageIndex(len(i.list)) -} - -type imageListApply interface { - apply(*[]*C.GdkPixbuf) -} - -func (i *imagelist) apply(out *[]*C.GdkPixbuf) { - *out = make([]*C.GdkPixbuf, len(i.list)) - copy(*out, i.list) -} |
