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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2020 Blender Foundation. All rights reserved. */
#pragma once
/** \file
* \ingroup bgpencil
*/
#include "BLI_float4x4.hh"
#include "BLI_math_vec_types.hh"
#include "BLI_vector.hh"
#include "DNA_space_types.h" /* for FILE_MAX */
#include "gpencil_io.h"
struct Depsgraph;
struct Main;
struct Object;
struct RegionView3D;
struct Scene;
struct bGPDlayer;
struct bGPDstroke;
struct bGPdata;
using blender::Vector;
namespace blender::io::gpencil {
class GpencilIO {
public:
GpencilIO(const GpencilIOParams *iparams);
void frame_number_set(int value);
void prepare_camera_params(Scene *scene, const GpencilIOParams *iparams);
protected:
GpencilIOParams params_;
bool invert_axis_[2];
float4x4 diff_mat_;
char filepath_[FILE_MAX];
/* Used for sorting objects. */
struct ObjectZ {
float zdepth;
struct Object *ob;
};
/** List of included objects. */
blender::Vector<ObjectZ> ob_list_;
/* Data for easy access. */
struct Depsgraph *depsgraph_;
struct bGPdata *gpd_;
struct Main *bmain_;
struct Scene *scene_;
struct RegionView3D *rv3d_;
int16_t winx_, winy_;
int16_t render_x_, render_y_;
float camera_ratio_;
rctf camera_rect_;
float2 offset_;
int cfra_;
float stroke_color_[4], fill_color_[4];
/* Geometry functions. */
/** Convert to screenspace. */
bool gpencil_3D_point_to_screen_space(const float3 co, float2 &r_co);
/** Convert to render space. */
float2 gpencil_3D_point_to_render_space(const float3 co);
/** Convert to 2D. */
float2 gpencil_3D_point_to_2D(const float3 co);
/** Get radius of point. */
float stroke_point_radius_get(struct bGPDlayer *gpl, struct bGPDstroke *gps);
/** Create a list of selected objects sorted from back to front */
void create_object_list();
bool is_camera_mode();
float stroke_average_opacity_get();
void prepare_layer_export_matrix(struct Object *ob, struct bGPDlayer *gpl);
void prepare_stroke_export_colors(struct Object *ob, struct bGPDstroke *gps);
/* Calculate selected strokes boundbox. */
void selected_objects_boundbox_calc();
void selected_objects_boundbox_get(rctf *boundbox);
/**
* Set file input_text full path.
* \param filepath: Path of the file provided by save dialog.
*/
void filepath_set(const char *filepath);
private:
float avg_opacity_;
bool is_camera_;
rctf select_boundbox_;
/* Camera matrix. */
float persmat_[4][4];
};
} // namespace blender::io::gpencil
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