static GtkCssValue * gtk_css_value_number_compute (GtkCssValue *number, guint property_id, GtkStyleProviderPrivate *provider, int scale, GtkCssComputedValues *values, GtkCssComputedValues *parent_values, GtkCssDependencies *dependencies) { switch (number->unit) { default: g_assert_not_reached(); /* fall through */ case GTK_CSS_PERCENT: /* percentages for font sizes are computed, other percentages aren't */ if (property_id == GTK_CSS_PROPERTY_FONT_SIZE) return _gtk_css_number_value_new (number->value / 100.0 * get_base_font_size (property_id, provider, values, parent_values, dependencies), GTK_CSS_PX); case GTK_CSS_NUMBER: case GTK_CSS_PX: case GTK_CSS_DEG: case GTK_CSS_S: return _gtk_css_value_ref (number); case GTK_CSS_PT: return _gtk_css_number_value_new (number->value * 96.0 / 72.0, GTK_CSS_PX); case GTK_CSS_PC: return _gtk_css_number_value_new (number->value * 96.0 / 72.0 * 12.0, GTK_CSS_PX); break; case GTK_CSS_IN: return _gtk_css_number_value_new (number->value * 96.0, GTK_CSS_PX); break; case GTK_CSS_CM: return _gtk_css_number_value_new (number->value * 96.0 * 0.39370078740157477, GTK_CSS_PX); break; case GTK_CSS_MM: return _gtk_css_number_value_new (number->value * 96.0 * 0.039370078740157477, GTK_CSS_PX); break; case GTK_CSS_EM: return _gtk_css_number_value_new (number->value * get_base_font_size (property_id, provider, values, parent_values, dependencies), GTK_CSS_PX); break; case GTK_CSS_EX: /* for now we pretend ex is half of em */ return _gtk_css_number_value_new (number->value * 0.5 * get_base_font_size (property_id, provider, values, parent_values, dependencies), GTK_CSS_PX); case GTK_CSS_RAD: return _gtk_css_number_value_new (number->value * 360.0 / (2 * G_PI), GTK_CSS_DEG); case GTK_CSS_GRAD: return _gtk_css_number_value_new (number->value * 360.0 / 400.0, GTK_CSS_DEG); case GTK_CSS_TURN: return _gtk_css_number_value_new (number->value * 360.0, GTK_CSS_DEG); case GTK_CSS_MS: return _gtk_css_number_value_new (number->value / 1000.0, GTK_CSS_S); } }
static GtkCssValue * gtk_css_value_dimension_compute (GtkCssValue *number, guint property_id, GtkStyleProviderPrivate *provider, GtkCssStyle *style, GtkCssStyle *parent_style) { GtkBorderStyle border_style; /* special case according to http://dev.w3.org/csswg/css-backgrounds/#the-border-width */ switch (property_id) { case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH: border_style = _gtk_css_border_style_value_get(gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_STYLE)); if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN) return gtk_css_dimension_value_new (0, GTK_CSS_NUMBER); break; case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH: border_style = _gtk_css_border_style_value_get(gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE)); if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN) return gtk_css_dimension_value_new (0, GTK_CSS_NUMBER); break; case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH: border_style = _gtk_css_border_style_value_get(gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE)); if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN) return gtk_css_dimension_value_new (0, GTK_CSS_NUMBER); break; case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH: border_style = _gtk_css_border_style_value_get(gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_STYLE)); if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN) return gtk_css_dimension_value_new (0, GTK_CSS_NUMBER); break; case GTK_CSS_PROPERTY_OUTLINE_WIDTH: border_style = _gtk_css_border_style_value_get(gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_STYLE)); if (border_style == GTK_BORDER_STYLE_NONE || border_style == GTK_BORDER_STYLE_HIDDEN) return gtk_css_dimension_value_new (0, GTK_CSS_NUMBER); break; default: break; } switch (number->unit) { default: g_assert_not_reached(); /* fall through */ case GTK_CSS_PERCENT: /* percentages for font sizes are computed, other percentages aren't */ if (property_id == GTK_CSS_PROPERTY_FONT_SIZE) return gtk_css_dimension_value_new (number->value / 100.0 * get_base_font_size (property_id, provider, style, parent_style), GTK_CSS_PX); case GTK_CSS_NUMBER: case GTK_CSS_PX: case GTK_CSS_DEG: case GTK_CSS_S: return _gtk_css_value_ref (number); case GTK_CSS_PT: return gtk_css_dimension_value_new (number->value * get_dpi (style) / 72.0, GTK_CSS_PX); case GTK_CSS_PC: return gtk_css_dimension_value_new (number->value * get_dpi (style) / 72.0 * 12.0, GTK_CSS_PX); case GTK_CSS_IN: return gtk_css_dimension_value_new (number->value * get_dpi (style), GTK_CSS_PX); case GTK_CSS_CM: return gtk_css_dimension_value_new (number->value * get_dpi (style) * 0.39370078740157477, GTK_CSS_PX); case GTK_CSS_MM: return gtk_css_dimension_value_new (number->value * get_dpi (style) * 0.039370078740157477, GTK_CSS_PX); case GTK_CSS_EM: return gtk_css_dimension_value_new (number->value * get_dpi (style) / 72.0 * get_base_font_size (property_id, provider, style, parent_style), GTK_CSS_PX); case GTK_CSS_EX: /* for now we pretend ex is half of em */ return gtk_css_dimension_value_new (number->value * 0.5 * get_dpi (style) / 72.0 * get_base_font_size (property_id, provider, style, parent_style), GTK_CSS_PX); case GTK_CSS_REM: return gtk_css_dimension_value_new (number->value * get_dpi (style) / 72.0 * _gtk_css_font_size_get_default (provider), GTK_CSS_PX); case GTK_CSS_RAD: return gtk_css_dimension_value_new (number->value * 360.0 / (2 * G_PI), GTK_CSS_DEG); case GTK_CSS_GRAD: return gtk_css_dimension_value_new (number->value * 360.0 / 400.0, GTK_CSS_DEG); case GTK_CSS_TURN: return gtk_css_dimension_value_new (number->value * 360.0, GTK_CSS_DEG); case GTK_CSS_MS: return gtk_css_dimension_value_new (number->value / 1000.0, GTK_CSS_S); } }