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-rw-r--r--examples/example1.c89
1 files changed, 23 insertions, 66 deletions
diff --git a/examples/example1.c b/examples/example1.c
index c36a94d..06313e5 100644
--- a/examples/example1.c
+++ b/examples/example1.c
@@ -98,13 +98,22 @@ static css_error node_presentational_hint(void *pw, void *node,
uint32_t *nhints, css_hint **hints);
static css_error ua_default_for_property(void *pw, uint32_t property,
css_hint *hint);
-static css_error compute_font_size(void *pw, const css_hint *parent,
- css_hint *size);
static css_error set_libcss_node_data(void *pw, void *n,
void *libcss_node_data);
static css_error get_libcss_node_data(void *pw, void *n,
void **libcss_node_data);
+static css_unit_ctx unit_len_ctx = {
+ .viewport_width = 800 * (1 << CSS_RADIX_POINT),
+ .viewport_height = 600 * (1 << CSS_RADIX_POINT),
+ .font_size_default = 16 * (1 << CSS_RADIX_POINT),
+ .font_size_minimum = 6 * (1 << CSS_RADIX_POINT),
+ .device_dpi = 96 * (1 << CSS_RADIX_POINT),
+ .root_style = NULL, /* We don't have a root node yet. */
+ .pw = NULL, /* We're not implementing measure callback */
+ .measure = NULL, /* We're not implementing measure callback */
+};
+
/* Table of function pointers for the LibCSS Select API. */
static css_select_handler select_handler = {
CSS_SELECT_HANDLER_VERSION_1,
@@ -143,11 +152,19 @@ static css_select_handler select_handler = {
node_is_lang,
node_presentational_hint,
ua_default_for_property,
- compute_font_size,
set_libcss_node_data,
- get_libcss_node_data
+ get_libcss_node_data,
};
+/* LWC leak callback */
+void lwc_callback(lwc_string *str, void *pw)
+{
+ (void)(pw);
+
+ fprintf(stderr, "Leaked string: %.*s\n",
+ (int)lwc_string_length(str),
+ lwc_string_data(str));
+}
int main(int argc, char **argv)
{
@@ -237,6 +254,7 @@ int main(int argc, char **argv)
lwc_intern_string(element, strlen(element), &element_name);
code = css_select_style(select_ctx, element_name,
+ &unit_len_ctx,
&media, NULL,
&select_handler, 0,
&style);
@@ -267,6 +285,7 @@ int main(int argc, char **argv)
if (code != CSS_OK)
die("css_stylesheet_destroy", code);
+ lwc_iterate_strings(lwc_callback, NULL);
return 0;
}
@@ -662,68 +681,6 @@ css_error ua_default_for_property(void *pw, uint32_t property, css_hint *hint)
return CSS_OK;
}
-css_error compute_font_size(void *pw, const css_hint *parent, css_hint *size)
-{
- static css_hint_length sizes[] = {
- { FLTTOFIX(6.75), CSS_UNIT_PT },
- { FLTTOFIX(7.50), CSS_UNIT_PT },
- { FLTTOFIX(9.75), CSS_UNIT_PT },
- { FLTTOFIX(12.0), CSS_UNIT_PT },
- { FLTTOFIX(13.5), CSS_UNIT_PT },
- { FLTTOFIX(18.0), CSS_UNIT_PT },
- { FLTTOFIX(24.0), CSS_UNIT_PT }
- };
- const css_hint_length *parent_size;
-
- UNUSED(pw);
-
- /* Grab parent size, defaulting to medium if none */
- if (parent == NULL) {
- parent_size = &sizes[CSS_FONT_SIZE_MEDIUM - 1];
- } else {
- assert(parent->status == CSS_FONT_SIZE_DIMENSION);
- assert(parent->data.length.unit != CSS_UNIT_EM);
- assert(parent->data.length.unit != CSS_UNIT_EX);
- parent_size = &parent->data.length;
- }
-
- assert(size->status != CSS_FONT_SIZE_INHERIT);
-
- if (size->status < CSS_FONT_SIZE_LARGER) {
- /* Keyword -- simple */
- size->data.length = sizes[size->status - 1];
- } else if (size->status == CSS_FONT_SIZE_LARGER) {
- /** \todo Step within table, if appropriate */
- size->data.length.value =
- FMUL(parent_size->value, FLTTOFIX(1.2));
- size->data.length.unit = parent_size->unit;
- } else if (size->status == CSS_FONT_SIZE_SMALLER) {
- /** \todo Step within table, if appropriate */
- size->data.length.value =
- FMUL(parent_size->value, FLTTOFIX(1.2));
- size->data.length.unit = parent_size->unit;
- } else if (size->data.length.unit == CSS_UNIT_EM ||
- size->data.length.unit == CSS_UNIT_EX) {
- size->data.length.value =
- FMUL(size->data.length.value, parent_size->value);
-
- if (size->data.length.unit == CSS_UNIT_EX) {
- size->data.length.value = FMUL(size->data.length.value,
- FLTTOFIX(0.6));
- }
-
- size->data.length.unit = parent_size->unit;
- } else if (size->data.length.unit == CSS_UNIT_PCT) {
- size->data.length.value = FDIV(FMUL(size->data.length.value,
- parent_size->value), FLTTOFIX(100));
- size->data.length.unit = parent_size->unit;
- }
-
- size->status = CSS_FONT_SIZE_DIMENSION;
-
- return CSS_OK;
-}
-
static css_error set_libcss_node_data(void *pw, void *n,
void *libcss_node_data)
{