Fix VS2017 compile error in String to Curves node

Because of a bug in VS2017 codecvt is replaced with Blender
BLI functions to convert from UTF8 to UTF32.

Differential Revision: https://developer.blender.org/D12655
This commit is contained in:
Erik Abrahamsson
2021-09-28 12:37:56 -05:00
committed by Hans Goudey
parent 044a77352f
commit faedfd5740

View File

@@ -14,9 +14,6 @@
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <codecvt>
#include <locale>
#include "DNA_curve_types.h"
#include "DNA_vfont_types.h"
@@ -207,13 +204,13 @@ static TextLayout get_text_layout(GeoNodeExecParams &params)
/* Returns a mapping of UTF-32 character code to instance handle. */
static Map<int, int> create_curve_instances(GeoNodeExecParams &params,
const float fontsize,
const std::u32string &charcodes,
const Span<char32_t> charcodes,
InstancesComponent &instance_component)
{
VFont *vfont = (VFont *)params.node().id;
Map<int, int> handles;
for (int i : IndexRange(charcodes.length())) {
for (int i : charcodes.index_range()) {
if (handles.contains(charcodes[i])) {
continue;
}
@@ -239,7 +236,7 @@ static Map<int, int> create_curve_instances(GeoNodeExecParams &params,
static void add_instances_from_handles(InstancesComponent &instances,
const Map<int, int> &char_handles,
const std::u32string &charcodes,
const Span<char32_t> charcodes,
const Span<float2> positions)
{
instances.resize(positions.size());
@@ -272,15 +269,17 @@ static void geo_node_string_to_curves_exec(GeoNodeExecParams params)
}
/* Convert UTF-8 encoded string to UTF-32. */
std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> converter;
std::u32string utf32_text = converter.from_bytes(layout.text);
size_t len_bytes;
size_t len_chars = BLI_strlen_utf8_ex(layout.text.c_str(), &len_bytes);
Array<char32_t> char_codes(len_chars + 1);
BLI_str_utf8_as_utf32(char_codes.data(), layout.text.c_str(), len_chars + 1);
/* Create and add instances. */
GeometrySet geometry_set_out;
InstancesComponent &instances = geometry_set_out.get_component_for_write<InstancesComponent>();
Map<int, int> char_handles = create_curve_instances(
params, layout.final_font_size, utf32_text, instances);
add_instances_from_handles(instances, char_handles, utf32_text, layout.positions);
params, layout.final_font_size, char_codes, instances);
add_instances_from_handles(instances, char_handles, char_codes, layout.positions);
params.set_output("Curves", std::move(geometry_set_out));
}