cssboxes: Try to avoid doing work for rectangular boxes

Use the new gtk_css_dimension_value_is_zero() to check if we really need
to e.g. apply a border radius at all.
We compute css boxes a lot so this makes sense here, it especially shows
up during pick(), where we need the border box.
This commit is contained in:
Timm Bäder 2020-01-25 19:40:54 +01:00
parent 352c9ba42a
commit c7ea83cd82

View File

@ -23,6 +23,7 @@
#include "gtkcsscornervalueprivate.h"
#include "gtkcssnodeprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkcssdimensionvalueprivate.h"
#include "gtkwidgetprivate.h"
/* This file is included from gtkcssboxesprivate.h */
@ -79,15 +80,50 @@ gtk_css_boxes_rect_grow (GskRoundedRect *dest,
int bottom_property,
int left_property)
{
double top = _gtk_css_number_value_get (gtk_css_style_get_value (style, top_property), 100);
double right = _gtk_css_number_value_get (gtk_css_style_get_value (style, right_property), 100);
double bottom = _gtk_css_number_value_get (gtk_css_style_get_value (style, bottom_property), 100);
double left = _gtk_css_number_value_get (gtk_css_style_get_value (style, left_property), 100);
GtkCssValue *top = gtk_css_style_get_value (style, top_property);
GtkCssValue *right = gtk_css_style_get_value (style, right_property);
GtkCssValue *bottom = gtk_css_style_get_value (style, bottom_property);
GtkCssValue *left = gtk_css_style_get_value (style, left_property);
dest->bounds.origin.x = src->bounds.origin.x - left;
dest->bounds.origin.y = src->bounds.origin.y - top;
dest->bounds.size.width = src->bounds.size.width + left + right;
dest->bounds.size.height = src->bounds.size.height + top + bottom;
if (gtk_css_dimension_value_is_zero (left))
{
dest->bounds.origin.x = src->bounds.origin.x;
if (gtk_css_dimension_value_is_zero (right))
dest->bounds.size.width = src->bounds.size.width;
else
dest->bounds.size.width = src->bounds.size.width + _gtk_css_number_value_get (right, 100);
}
else
{
const double left_value = _gtk_css_number_value_get (left, 100);
dest->bounds.origin.x = src->bounds.origin.x - left_value;
if (gtk_css_dimension_value_is_zero (right))
dest->bounds.size.width = src->bounds.size.width + left_value;
else
dest->bounds.size.width = src->bounds.size.width + left_value + _gtk_css_number_value_get (right, 100);
}
if (gtk_css_dimension_value_is_zero (top))
{
dest->bounds.origin.y = src->bounds.origin.y;
if (gtk_css_dimension_value_is_zero (bottom))
dest->bounds.size.height = src->bounds.size.height;
else
dest->bounds.size.height = src->bounds.size.height + _gtk_css_number_value_get (bottom, 100);
}
else
{
const double top_value = _gtk_css_number_value_get (top, 100);
dest->bounds.origin.y = src->bounds.origin.y - top_value;
if (gtk_css_dimension_value_is_zero (bottom))
dest->bounds.size.height = src->bounds.size.height + top_value;
else
dest->bounds.size.height = src->bounds.size.height + top_value + _gtk_css_number_value_get (bottom, 100);
}
}
static inline void
@ -323,19 +359,38 @@ gtk_css_boxes_apply_border_radius (GskRoundedRect *box,
const GtkCssValue *bottom_right,
const GtkCssValue *bottom_left)
{
box->corner[GSK_CORNER_TOP_LEFT].width = _gtk_css_corner_value_get_x (top_left, box->bounds.size.width);
box->corner[GSK_CORNER_TOP_LEFT].height = _gtk_css_corner_value_get_y (top_left, box->bounds.size.height);
gboolean has_border_radius = FALSE;
box->corner[GSK_CORNER_TOP_RIGHT].width = _gtk_css_corner_value_get_x (top_right, box->bounds.size.width);
box->corner[GSK_CORNER_TOP_RIGHT].height = _gtk_css_corner_value_get_y (top_right, box->bounds.size.height);
if (!gtk_css_corner_value_is_zero (top_left))
{
box->corner[GSK_CORNER_TOP_LEFT].width = _gtk_css_corner_value_get_x (top_left, box->bounds.size.width);
box->corner[GSK_CORNER_TOP_LEFT].height = _gtk_css_corner_value_get_y (top_left, box->bounds.size.height);
has_border_radius = TRUE;
}
box->corner[GSK_CORNER_BOTTOM_RIGHT].width = _gtk_css_corner_value_get_x (bottom_right, box->bounds.size.width);
box->corner[GSK_CORNER_BOTTOM_RIGHT].height = _gtk_css_corner_value_get_y (bottom_right, box->bounds.size.height);
if (!gtk_css_corner_value_is_zero (top_right))
{
box->corner[GSK_CORNER_TOP_RIGHT].width = _gtk_css_corner_value_get_x (top_right, box->bounds.size.width);
box->corner[GSK_CORNER_TOP_RIGHT].height = _gtk_css_corner_value_get_y (top_right, box->bounds.size.height);
has_border_radius = TRUE;
}
box->corner[GSK_CORNER_BOTTOM_LEFT].width = _gtk_css_corner_value_get_x (bottom_left, box->bounds.size.width);
box->corner[GSK_CORNER_BOTTOM_LEFT].height = _gtk_css_corner_value_get_y (bottom_left, box->bounds.size.height);
if (!gtk_css_corner_value_is_zero (bottom_right))
{
box->corner[GSK_CORNER_BOTTOM_RIGHT].width = _gtk_css_corner_value_get_x (bottom_right, box->bounds.size.width);
box->corner[GSK_CORNER_BOTTOM_RIGHT].height = _gtk_css_corner_value_get_y (bottom_right, box->bounds.size.height);
has_border_radius = TRUE;
}
gtk_css_boxes_clamp_border_radius (box);
if (!gtk_css_corner_value_is_zero (bottom_left))
{
box->corner[GSK_CORNER_BOTTOM_LEFT].width = _gtk_css_corner_value_get_x (bottom_left, box->bounds.size.width);
box->corner[GSK_CORNER_BOTTOM_LEFT].height = _gtk_css_corner_value_get_y (bottom_left, box->bounds.size.height);
has_border_radius = TRUE;
}
if (has_border_radius)
gtk_css_boxes_clamp_border_radius (box);
}
/* NB: width and height must be >= 0 */