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St: Implement background-size CSS property

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Implement the background-size CSS property, specified by the CSS
Backgrounds and Borders Module Level 3, including the keywords
"contain", "cover", and fixed-size backgrounds.

https://bugzilla.gnome.org/show_bug.cgi?id=633462
This commit is contained in:
Quentin Glidic
2011-12-23 18:59:20 +01:00
committed by Jasper St. Pierre
parent bea4faacd4
commit 25948f214e
10 changed files with 360 additions and 133 deletions
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41
src/st/st-theme-node.c
View File

@ -7,6 +7,7 @@
* Copyright 2009, 2010 Florian Müllner
* Copyright 2010 Adel Gadllah
* Copyright 2010 Giovanni Campagna
* Copyright 2011 Quentin "Sardem FF7" Glidic
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
@ -1579,6 +1580,7 @@ _st_theme_node_ensure_background (StThemeNode *node)
node->background_color = TRANSPARENT_COLOR;
node->background_gradient_type = ST_GRADIENT_NONE;
node->background_position_set = FALSE;
node->background_size = ST_BACKGROUND_SIZE_AUTO;
ensure_properties (node);
@ -1606,6 +1608,7 @@ _st_theme_node_ensure_background (StThemeNode *node)
g_free (node->background_image);
node->background_image = NULL;
node->background_position_set = FALSE;
node->background_size = ST_BACKGROUND_SIZE_AUTO;
for (term = decl->value; term; term = term->next)
{
@ -1662,6 +1665,44 @@ _st_theme_node_ensure_background (StThemeNode *node)
else
node->background_position_set = TRUE;
}
else if (strcmp (property_name, "-size") == 0)
{
if (decl->value->type == TERM_IDENT)
{
if (strcmp (decl->value->content.str->stryng->str, "contain") == 0)
node->background_size = ST_BACKGROUND_SIZE_CONTAIN;
else if (strcmp (decl->value->content.str->stryng->str, "cover") == 0)
node->background_size = ST_BACKGROUND_SIZE_COVER;
else if ((strcmp (decl->value->content.str->stryng->str, "auto") == 0) && (decl->value->next) && (decl->value->next->type == TERM_NUMBER))
{
GetFromTermResult result = get_length_from_term_int (node, decl->value->next, FALSE, &node->background_size_h);
node->background_size_w = -1;
node->background_size = (result == VALUE_FOUND) ? ST_BACKGROUND_SIZE_FIXED : ST_BACKGROUND_SIZE_AUTO;
}
else
node->background_size = ST_BACKGROUND_SIZE_AUTO;
}
else if (decl->value->type == TERM_NUMBER)
{
GetFromTermResult result = get_length_from_term_int (node, decl->value, FALSE, &node->background_size_w);
if (result == VALUE_NOT_FOUND)
continue;
node->background_size = ST_BACKGROUND_SIZE_FIXED;
if ((decl->value->next) && (decl->value->next->type == TERM_NUMBER))
{
result = get_length_from_term_int (node, decl->value->next, FALSE, &node->background_size_h);
if (result == VALUE_FOUND)
continue;
}
node->background_size_h = -1;
}
else
node->background_size = ST_BACKGROUND_SIZE_AUTO;
}
else if (strcmp (property_name, "-color") == 0)
{
GetFromTermResult result;