blender::io::grease_pencil::GreasePencilExporter Class Reference

#include <grease_pencil_io_intern.hh>

Inherited by blender::io::grease_pencil::PDFExporter, and blender::io::grease_pencil::SVGExporter.

Classes
struct	ObjectInfo

Public Types
using	WriteStrokeFn

Public Member Functions
	GreasePencilExporter (const IOContext &context, const ExportParams &params)
void	prepare_render_params (Scene &scene, int frame_number)
Vector< ObjectInfo >	retrieve_objects () const
void	foreach_stroke_in_layer (const Object &object, const bke::greasepencil::Layer &layer, const bke::greasepencil::Drawing &drawing, WriteStrokeFn stroke_fn)
float2	project_to_screen (const float4x4 &transform, const float3 &position) const

Static Public Member Functions
static ColorGeometry4f	compute_average_stroke_color (const Material &material, const Span< ColorGeometry4f > vertex_colors)
static float	compute_average_stroke_opacity (const Span< float > opacities)
static std::optional< float >	try_get_uniform_point_width (const RegionView3D &rv3d, const Span< float3 > world_positions, const Span< float > radii)

Protected Attributes
const IOContext	context_
const ExportParams	params_
std::optional< float4x4 >	camera_persmat_
blender::Bounds< float2 >	render_rect_

Detailed Description

Definition at line 48 of file grease_pencil_io_intern.hh.

Member Typedef Documentation

WriteStrokeFn

using blender::io::grease_pencil::GreasePencilExporter::WriteStrokeFn

Initial value:

 FunctionRef<void(const Span<float3> positions,
                                         bool cyclic,
                                         const ColorGeometry4f &color,
                                         float opacity,
                                         std::optional<float> width,
                                         bool round_cap,
                                         bool is_outline)>

Definition at line 79 of file grease_pencil_io_intern.hh.

Constructor & Destructor Documentation

GreasePencilExporter()

blender::io::grease_pencil::GreasePencilExporter::GreasePencilExporter	(	const IOContext &	context,
		const ExportParams &	params )

Definition at line 153 of file grease_pencil_io.cc.

Member Function Documentation

compute_average_stroke_color()

ColorGeometry4f blender::io::grease_pencil::GreasePencilExporter::compute_average_stroke_color ( const Material & material, const Span< ColorGeometry4f > vertex_colors )

static

Definition at line 343 of file grease_pencil_io.cc.

References blender::ColorRGBA< ChannelStorageType, Space, Alpha >::a, blender::io::grease_pencil::get_average(), blender::math::interpolate(), and MaterialGPencilStyle::stroke_rgba.

compute_average_stroke_opacity()

float blender::io::grease_pencil::GreasePencilExporter::compute_average_stroke_opacity ( const Span< float > opacities )

static

Definition at line 353 of file grease_pencil_io.cc.

References blender::io::grease_pencil::get_average().

foreach_stroke_in_layer()

void blender::io::grease_pencil::GreasePencilExporter::foreach_stroke_in_layer	(	const Object &	object,
		const bke::greasepencil::Layer &	layer,
		const bke::greasepencil::Drawing &	drawing,
		WriteStrokeFn	stroke_fn )

Definition at line 420 of file grease_pencil_io.cc.

References context_, blender::bke::Curve, blender::bke::greasepencil::Drawing::fill_colors(), GP_STROKE_CAP_TYPE_ROUND, blender::bke::greasepencil::Drawing::opacities(), blender::threading::parallel_for(), blender::bke::greasepencil::Drawing::radii(), blender::io::grease_pencil::IOContext::rv3d, blender::bke::greasepencil::Drawing::strokes(), blender::bke::greasepencil::Drawing::vertex_colors(), and RegionView3D::viewmat.

Referenced by blender::io::grease_pencil::PDFExporter::export_grease_pencil_layer(), and blender::io::grease_pencil::SVGExporter::export_grease_pencil_layer().

prepare_render_params()

void blender::io::grease_pencil::GreasePencilExporter::prepare_render_params	(	Scene &	scene,
		int	frame_number )

Definition at line 316 of file grease_pencil_io.cc.

References View3D::camera, camera_persmat_, blender::io::grease_pencil::compute_objects_bounds(), context_, blender::io::grease_pencil::IOContext::depsgraph, ED_view3d_calc_camera_border(), blender::io::grease_pencil::persmat_from_camera_object(), RegionView3D::persp, blender::io::grease_pencil::IOContext::region, render_rect_, retrieve_objects(), blender::io::grease_pencil::IOContext::rv3d, RV3D_CAMOB, blender::io::grease_pencil::IOContext::v3d, rctf::xmax, rctf::xmin, rctf::ymax, and rctf::ymin.

Referenced by blender::io::grease_pencil::PDFExporter::export_scene(), and blender::io::grease_pencil::SVGExporter::export_scene().

project_to_screen()

float2 blender::io::grease_pencil::GreasePencilExporter::project_to_screen	(	const float4x4 &	transform,
		const float3 &	position ) const

Definition at line 553 of file grease_pencil_io.cc.

References camera_persmat_, context_, ED_view3d_project_float_global(), ELEM, blender::math::project_point(), blender::io::grease_pencil::IOContext::region, render_rect_, blender::math::transform_point(), V2D_IS_CLIPPED, V3D_PROJ_RET_OK, and V3D_PROJ_TEST_NOP.

Referenced by blender::io::grease_pencil::SVGExporter::write_path(), blender::io::grease_pencil::SVGExporter::write_polygon(), blender::io::grease_pencil::SVGExporter::write_polyline(), and blender::io::grease_pencil::PDFExporter::write_stroke_to_polyline().

retrieve_objects()

Vector< GreasePencilExporter::ObjectInfo > blender::io::grease_pencil::GreasePencilExporter::retrieve_objects

(

)

const

Definition at line 369 of file grease_pencil_io.cc.

References BASE_SELECTED, BKE_view_layer_object_bases_get(), BKE_view_layer_synced_ensure(), blender::io::grease_pencil::IOContext::C, camera_persmat_, context_, CTX_data_scene(), CTX_data_view_layer(), blender::math::dot(), ED_view3d_calc_zfac(), RegionView3D::is_persp, LISTBASE_FOREACH, OB_GREASE_PENCIL, blender::io::grease_pencil::ExportParams::object, params_, blender::io::grease_pencil::IOContext::rv3d, blender::io::grease_pencil::ExportParams::select_mode, and RegionView3D::viewinv.

Referenced by blender::io::grease_pencil::PDFExporter::export_grease_pencil_objects(), blender::io::grease_pencil::SVGExporter::export_grease_pencil_objects(), and prepare_render_params().

try_get_uniform_point_width()

std::optional< float > blender::io::grease_pencil::GreasePencilExporter::try_get_uniform_point_width ( const RegionView3D & rv3d, const Span< float3 > world_positions, const Span< float > radii )

static

Definition at line 358 of file grease_pencil_io.cc.

References blender::VArray< T >::ForFunc(), blender::Span< T >::size(), and blender::io::grease_pencil::try_get_constant_value().

Member Data Documentation

camera_persmat_

std::optional<float4x4> blender::io::grease_pencil::GreasePencilExporter::camera_persmat_

protected

Definition at line 60 of file grease_pencil_io_intern.hh.

Referenced by blender::io::grease_pencil::SVGExporter::export_grease_pencil_objects(), prepare_render_params(), project_to_screen(), and retrieve_objects().

context_

const IOContext blender::io::grease_pencil::GreasePencilExporter::context_

protected

Definition at line 56 of file grease_pencil_io_intern.hh.

Referenced by blender::io::grease_pencil::PDFExporter::export_grease_pencil_objects(), blender::io::grease_pencil::SVGExporter::export_grease_pencil_objects(), blender::io::grease_pencil::PDFExporter::export_scene(), foreach_stroke_in_layer(), prepare_render_params(), project_to_screen(), and retrieve_objects().

params_

const ExportParams blender::io::grease_pencil::GreasePencilExporter::params_

protected

Definition at line 57 of file grease_pencil_io_intern.hh.

Referenced by blender::io::grease_pencil::SVGExporter::export_grease_pencil_objects(), blender::io::grease_pencil::PDFExporter::export_scene(), and retrieve_objects().

render_rect_

blender::Bounds<float2> blender::io::grease_pencil::GreasePencilExporter::render_rect_

protected

Definition at line 61 of file grease_pencil_io_intern.hh.

Referenced by blender::io::grease_pencil::PDFExporter::add_page(), blender::io::grease_pencil::SVGExporter::export_grease_pencil_objects(), prepare_render_params(), project_to_screen(), blender::io::grease_pencil::SVGExporter::write_main_node(), blender::io::grease_pencil::SVGExporter::write_path(), blender::io::grease_pencil::SVGExporter::write_polygon(), and blender::io::grease_pencil::SVGExporter::write_polyline().

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The documentation for this class was generated from the following files:

• grease_pencil_io_intern.hh
• grease_pencil_io.cc