Differential D12689 Diff 42665 source/blender/nodes/geometry/nodes/node_geo_string_to_curves.cc

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source/blender/nodes/geometry/nodes/node_geo_string_to_curves.cc

/*		/*
* This program is free software; you can redistribute it and/or		* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License		* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2		* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.		* of the License, or (at your option) any later version.
*		*
* This program is distributed in the hope that it will be useful,		* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of		* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.		* GNU General Public License for more details.
*		*
* You should have received a copy of the GNU General Public License		* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,		* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.		* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/		*/

#include <codecvt>
#include <locale>

#include "DNA_curve_types.h"		#include "DNA_curve_types.h"
#include "DNA_vfont_types.h"		#include "DNA_vfont_types.h"

#include "BKE_curve.h"		#include "BKE_curve.h"
#include "BKE_font.h"		#include "BKE_font.h"
#include "BKE_spline.hh"		#include "BKE_spline.hh"

#include "BLI_hash.h"		#include "BLI_hash.h"
▲ Show 20 Lines • Show All 174 Lines • ▼ Show 20 Lines	static TextLayout get_text_layout(GeoNodeExecParams &params)
MEM_SAFE_FREE(cu.tb);		MEM_SAFE_FREE(cu.tb);

return layout;		return layout;
}		}

/* Returns a mapping of UTF-32 character code to instance handle. */		/* Returns a mapping of UTF-32 character code to instance handle. */
static Map<int, int> create_curve_instances(GeoNodeExecParams &params,		static Map<int, int> create_curve_instances(GeoNodeExecParams &params,
const float fontsize,		const float fontsize,
const std::u32string &charcodes,		const Span<char32_t> charcodes,
InstancesComponent &instance_component)		InstancesComponent &instance_component)
{		{
VFont vfont = (VFont )params.node().id;		VFont vfont = (VFont )params.node().id;
Map<int, int> handles;		Map<int, int> handles;

for (int i : IndexRange(charcodes.length())) {		for (int i : charcodes.index_range()) {
if (handles.contains(charcodes[i])) {		if (handles.contains(charcodes[i])) {
continue;		continue;
}		}
Curve cu = {nullptr};		Curve cu = {nullptr};
cu.type = OB_FONT;		cu.type = OB_FONT;
cu.resolu = 12;		cu.resolu = 12;
cu.vfont = vfont;		cu.vfont = vfont;
CharInfo charinfo = {0};		CharInfo charinfo = {0};
Show All 9 Lines	for (int i : charcodes.index_range()) {
GeometrySet geometry_set_curve = GeometrySet::create_with_curve(curve_eval.release());		GeometrySet geometry_set_curve = GeometrySet::create_with_curve(curve_eval.release());
handles.add_new(charcodes[i], instance_component.add_reference(std::move(geometry_set_curve)));		handles.add_new(charcodes[i], instance_component.add_reference(std::move(geometry_set_curve)));
}		}
return handles;		return handles;
}		}

static void add_instances_from_handles(InstancesComponent &instances,		static void add_instances_from_handles(InstancesComponent &instances,
const Map<int, int> &char_handles,		const Map<int, int> &char_handles,
const std::u32string &charcodes,		const Span<char32_t> charcodes,
const Span<float2> positions)		const Span<float2> positions)
{		{
instances.resize(positions.size());		instances.resize(positions.size());
MutableSpan<int> handles = instances.instance_reference_handles();		MutableSpan<int> handles = instances.instance_reference_handles();
MutableSpan<float4x4> transforms = instances.instance_transforms();		MutableSpan<float4x4> transforms = instances.instance_transforms();
MutableSpan<int> instance_ids = instances.instance_ids();		MutableSpan<int> instance_ids = instances.instance_ids();

threading::parallel_for(IndexRange(positions.size()), 256, [&](IndexRange range) {		threading::parallel_for(IndexRange(positions.size()), 256, [&](IndexRange range) {
Show All 16 Lines	static void geo_node_string_to_curves_exec(GeoNodeExecParams params)
}		}

if (layout.positions.size() == 0) {		if (layout.positions.size() == 0) {
params.set_output("Curves", GeometrySet());		params.set_output("Curves", GeometrySet());
return;		return;
}		}

/* Convert UTF-8 encoded string to UTF-32. */		/* Convert UTF-8 encoded string to UTF-32. */
std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> converter;		size_t len_bytes;
std::u32string utf32_text = converter.from_bytes(layout.text);		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. */		/* Create and add instances. */
GeometrySet geometry_set_out;		GeometrySet geometry_set_out;
InstancesComponent &instances = geometry_set_out.get_component_for_write<InstancesComponent>();		InstancesComponent &instances = geometry_set_out.get_component_for_write<InstancesComponent>();
Map<int, int> char_handles = create_curve_instances(		Map<int, int> char_handles = create_curve_instances(
params, layout.final_font_size, utf32_text, instances);		params, layout.final_font_size, char_codes, instances);
add_instances_from_handles(instances, char_handles, utf32_text, layout.positions);		add_instances_from_handles(instances, char_handles, char_codes, layout.positions);

params.set_output("Curves", std::move(geometry_set_out));		params.set_output("Curves", std::move(geometry_set_out));
}		}

} // namespace blender::nodes		} // namespace blender::nodes

void register_node_type_geo_string_to_curves()		void register_node_type_geo_string_to_curves()
{		{
Show All 16 Lines