/** Adjust the cell count of <b>ewma</b> so that it is scaled with respect to
* <b>cur_tick</b> */
static void
scale_single_cell_ewma(cell_ewma_t *ewma, unsigned cur_tick)
{
double factor = get_scale_factor(ewma->last_adjusted_tick, cur_tick);
ewma->cell_count *= factor;
ewma->last_adjusted_tick = cur_tick;
}
wxBitmap KiScaledBitmap( BITMAP_DEF aBitmap, EDA_BASE_FRAME* aWindow )
{
// Bitmap conversions are cached because they can be slow.
static std::unordered_map<SCALED_BITMAP_ID, wxBitmap> bitmap_cache;
static std::mutex bitmap_cache_mutex;
const int scale = get_scale_factor( aWindow );
SCALED_BITMAP_ID id = { aBitmap, scale };
std::lock_guard<std::mutex> guard( bitmap_cache_mutex );
auto it = bitmap_cache.find( id );
if( it != bitmap_cache.end() )
{
return it->second;
}
else
{
wxMemoryInputStream is( aBitmap->png, aBitmap->byteCount );
wxImage image( is, wxBITMAP_TYPE_PNG );
// Bilinear seems to genuinely look better for these line-drawing icons
// than bicubic, despite claims in the wx documentation that bicubic is
// "highest quality". I don't recommend changing this. Bicubic looks
// blurry and makes me want an eye exam.
image.Rescale( scale * image.GetWidth() / 4, scale * image.GetHeight() / 4,
wxIMAGE_QUALITY_BILINEAR );
return bitmap_cache.emplace( id, wxBitmap( image ) ).first->second;
}
}
void ff_h264_direct_dist_scale_factor(H264Context * const h){
MpegEncContext * const s = &h->s;
const int poc = h->s.current_picture_ptr->field_poc[ s->picture_structure == PICT_BOTTOM_FIELD ];
const int poc1 = h->ref_list[1][0].poc;
int i, field;
for(field=0; field<2; field++){
const int poc = h->s.current_picture_ptr->field_poc[field];
const int poc1 = h->ref_list[1][0].field_poc[field];
for(i=0; i < 2*h->ref_count[0]; i++)
h->dist_scale_factor_field[field][i^field] = get_scale_factor(h, poc, poc1, i+16);
}
for(i=0; i<h->ref_count[0]; i++){
h->dist_scale_factor[i] = get_scale_factor(h, poc, poc1, i);
}
}
void ff_h264_direct_dist_scale_factor(H264Context * const h){
const int poc = h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD];
const int poc1 = h->ref_list[1][0].poc;
int i, field;
if (FRAME_MBAFF(h))
for (field = 0; field < 2; field++){
const int poc = h->cur_pic_ptr->field_poc[field];
const int poc1 = h->ref_list[1][0].field_poc[field];
for (i = 0; i < 2 * h->ref_count[0]; i++)
h->dist_scale_factor_field[field][i^field] =
get_scale_factor(h, poc, poc1, i+16);
}
for (i = 0; i < h->ref_count[0]; i++){
h->dist_scale_factor[i] = get_scale_factor(h, poc, poc1, i);
}
}
void ff_h264_direct_dist_scale_factor(const H264Context *const h,
H264SliceContext *sl)
{
const int poc = FIELD_PICTURE(h) ? h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD]
: h->cur_pic_ptr->poc;
const int poc1 = sl->ref_list[1][0].poc;
int i, field;
if (FRAME_MBAFF(h))
for (field = 0; field < 2; field++) {
const int poc = h->cur_pic_ptr->field_poc[field];
const int poc1 = sl->ref_list[1][0].parent->field_poc[field];
for (i = 0; i < 2 * sl->ref_count[0]; i++)
sl->dist_scale_factor_field[field][i ^ field] =
get_scale_factor(sl, poc, poc1, i + 16);
}
for (i = 0; i < sl->ref_count[0]; i++)
sl->dist_scale_factor[i] = get_scale_factor(sl, poc, poc1, i);
}
void get_font_metrics( font_t *font, char *string,
int *width, int *max_ascent, int *max_descent)
{
scalar_t scale_fact = get_scale_factor( font );
get_tex_font_string_bbox( font->node->tfm, string, width,
max_ascent, max_descent );
*width *= scale_fact;
*max_ascent *= scale_fact;
*max_descent *= scale_fact;
}
static void
ensure_surface_from_pixbuf (GtkIconHelper *self,
GtkStyleContext *context)
{
gint width, height;
GdkPixbuf *pixbuf;
int scale;
if (!check_invalidate_surface (self, context))
return;
if (self->priv->rendered_surface)
return;
scale = get_scale_factor (self, context);
if (self->priv->force_scale_pixbuf &&
(self->priv->pixel_size != -1 ||
self->priv->icon_size != GTK_ICON_SIZE_INVALID))
{
ensure_icon_size (self, context, &width, &height);
if (scale != self->priv->orig_pixbuf_scale ||
width < gdk_pixbuf_get_width (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale ||
height < gdk_pixbuf_get_height (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale)
{
width = MIN (width * scale, gdk_pixbuf_get_width (self->priv->orig_pixbuf) * scale / self->priv->orig_pixbuf_scale);
height = MIN (height * scale, gdk_pixbuf_get_height (self->priv->orig_pixbuf) * scale / self->priv->orig_pixbuf_scale);
pixbuf = gdk_pixbuf_scale_simple (self->priv->orig_pixbuf,
width, height,
GDK_INTERP_BILINEAR);
}
else
{
pixbuf = g_object_ref (self->priv->orig_pixbuf);
scale = self->priv->orig_pixbuf_scale;
}
}
else
{
pixbuf = g_object_ref (self->priv->orig_pixbuf);
scale = self->priv->orig_pixbuf_scale;
}
self->priv->rendered_surface_width = (gdk_pixbuf_get_width (pixbuf) + scale - 1) / scale;
self->priv->rendered_surface_height = (gdk_pixbuf_get_height (pixbuf) + scale - 1) / scale;
self->priv->rendered_surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale, self->priv->window);
g_object_unref (pixbuf);
}
static void start_font_draw( font_t *font )
{
scalar_t scale_fact = get_scale_factor( font );
glPushMatrix();
glScalef( scale_fact,
scale_fact,
scale_fact );
#ifdef __APPLE__DISABLED__
glColor4f( (float)font->colour.r, (float)font->colour.g, (float)font->colour.b, (float)font->colour.a );
#else
glColor4dv( (scalar_t*) &font->colour );
#endif
}
static gboolean
get_pixbuf_size (GtkIconHelper *self,
GtkStyleContext *context,
gint *width_out,
gint *height_out,
gint *scale_out)
{
gboolean scale_pixmap;
gint width, height;
int scale;
scale = get_scale_factor (self, context);
scale_pixmap = FALSE;
if (self->priv->force_scale_pixbuf &&
(self->priv->pixel_size != -1 ||
self->priv->icon_size != GTK_ICON_SIZE_INVALID))
{
ensure_icon_size (self, context, &width, &height);
if (scale != self->priv->orig_pixbuf_scale ||
width < gdk_pixbuf_get_width (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale ||
height < gdk_pixbuf_get_height (self->priv->orig_pixbuf) / self->priv->orig_pixbuf_scale)
{
width = MIN (width * scale, gdk_pixbuf_get_width (self->priv->orig_pixbuf) * scale / self->priv->orig_pixbuf_scale);
height = MIN (height * scale, gdk_pixbuf_get_height (self->priv->orig_pixbuf) * scale / self->priv->orig_pixbuf_scale);
scale_pixmap = TRUE;
}
else
{
width = gdk_pixbuf_get_width (self->priv->orig_pixbuf);
height = gdk_pixbuf_get_height (self->priv->orig_pixbuf);
scale = self->priv->orig_pixbuf_scale;
}
}
else
{
width = gdk_pixbuf_get_width (self->priv->orig_pixbuf);
height = gdk_pixbuf_get_height (self->priv->orig_pixbuf);
scale = self->priv->orig_pixbuf_scale;
}
*width_out = width;
*height_out = height;
*scale_out = scale;
return scale_pixmap;
}
void KiScaledSeparator( wxAuiToolBar* aToolbar, EDA_BASE_FRAME* aWindow )
{
const int scale = get_scale_factor( aWindow );
if( scale > 4 )
{
aToolbar->AddSpacer( 16 * ( scale - 4 ) / 4 );
}
aToolbar->AddSeparator();
if( scale > 4 )
{
aToolbar->AddSpacer( 16 * ( scale - 4 ) / 4 );
}
}
wxBitmap KiScaledBitmap( const wxBitmap& aBitmap, EDA_BASE_FRAME* aWindow )
{
const int scale = get_scale_factor( aWindow );
if( scale == 4)
{
return wxBitmap( aBitmap );
}
else
{
wxImage image = aBitmap.ConvertToImage();
image.Rescale( scale * image.GetWidth() / 4, scale * image.GetHeight() / 4,
wxIMAGE_QUALITY_BILINEAR );
return wxBitmap( image );
}
}
static void
ensure_surface_for_icon_name_or_gicon (GtkIconHelper *self,
GtkStyleContext *context)
{
GtkIconTheme *icon_theme;
gint width, height, scale;
GtkIconInfo *info;
GtkIconLookupFlags flags;
if (!check_invalidate_surface (self, context))
return;
icon_theme = gtk_icon_theme_get_default ();
flags = get_icon_lookup_flags (self);
ensure_icon_size (self, context, &width, &height);
scale = get_scale_factor (self, context);
if (self->priv->storage_type == GTK_IMAGE_ICON_NAME &&
self->priv->icon_name != NULL)
{
info = gtk_icon_theme_lookup_icon_for_scale (icon_theme,
self->priv->icon_name,
MIN (width, height),
scale, flags);
}
else if (self->priv->storage_type == GTK_IMAGE_GICON &&
self->priv->gicon != NULL)
{
info = gtk_icon_theme_lookup_by_gicon_for_scale (icon_theme,
self->priv->gicon,
MIN (width, height),
scale, flags);
}
else
{
g_assert_not_reached ();
return;
}
ensure_stated_surface_from_info (self, context, info, scale);
if (info)
g_object_unref (info);
}
/** Adjust the cell count of every active circuit on <b>chan</b> so
* that they are scaled with respect to <b>cur_tick</b> */
static void
scale_active_circuits(ewma_policy_data_t *pol, unsigned cur_tick)
{
double factor;
tor_assert(pol);
tor_assert(pol->active_circuit_pqueue);
factor =
get_scale_factor(
pol->active_circuit_pqueue_last_recalibrated,
cur_tick);
/** Ordinarily it isn't okay to change the value of an element in a heap,
* but it's okay here, since we are preserving the order. */
SMARTLIST_FOREACH_BEGIN(
pol->active_circuit_pqueue,
cell_ewma_t *, e) {
tor_assert(e->last_adjusted_tick ==
pol->active_circuit_pqueue_last_recalibrated);
e->cell_count *= factor;
e->last_adjusted_tick = cur_tick;
} SMARTLIST_FOREACH_END(e);
pol->active_circuit_pqueue_last_recalibrated = cur_tick;
}
static void
ensure_surface_for_icon_set (GtkIconHelper *self,
GtkStyleContext *context,
GtkIconSet *icon_set)
{
gint scale;
if (!check_invalidate_surface (self, context))
return;
scale = get_scale_factor (self, context);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
self->priv->rendered_surface =
gtk_icon_set_render_icon_surface (icon_set, context,
self->priv->icon_size,
scale, self->priv->window);
G_GNUC_END_IGNORE_DEPRECATIONS;
if (self->priv->rendered_surface)
get_surface_size (self, context, self->priv->rendered_surface,
&self->priv->rendered_surface_width,
&self->priv->rendered_surface_height);
}
static gboolean
check_invalidate_surface (GtkIconHelper *self,
GtkStyleContext *context)
{
GtkStateFlags state;
int scale;
state = gtk_style_context_get_state (context);
scale = get_scale_factor (self, context);
if ((self->priv->rendered_surface != NULL) &&
(self->priv->last_surface_state == state) &&
(self->priv->last_surface_scale == scale))
return FALSE;
self->priv->last_surface_state = state;
self->priv->last_surface_scale = scale;
if (self->priv->rendered_surface)
cairo_surface_destroy (self->priv->rendered_surface);
self->priv->rendered_surface = NULL;
return TRUE;
}
