Chris Blackbourn
b06edc2897
Rename `struct ::UVPackIsland_Params` to `class blender::geometry::UVPackIsland_Params` Brings us closer to an "algorithm" style API. No functional changes.
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "BLI_math_matrix.hh"
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#include "BLI_span.hh"
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#include "DNA_space_types.h"
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#include "DNA_vec_types.h"
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#pragma once
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/** \file
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* \ingroup geo
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*/
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struct UnwrapOptions;
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enum eUVPackIsland_MarginMethod {
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ED_UVPACK_MARGIN_SCALED = 0, /* Use scale of existing UVs to multiply margin. */
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ED_UVPACK_MARGIN_ADD, /* Just add the margin, ignoring any UV scale. */
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ED_UVPACK_MARGIN_FRACTION, /* Specify a precise fraction of final UV output. */
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};
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namespace blender::geometry {
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/** See also #UnwrapOptions. */
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class UVPackIsland_Params {
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public:
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/** Reasonable defaults. */
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UVPackIsland_Params();
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void setFromUnwrapOptions(const UnwrapOptions &options);
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void setUDIMOffsetFromSpaceImage(const SpaceImage *sima);
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/** Islands can be rotated to improve packing. */
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bool rotate;
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/** (In UV Editor) only pack islands which have one or more selected UVs. */
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bool only_selected_uvs;
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/** (In 3D Viewport or UV Editor) only pack islands which have selected faces. */
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bool only_selected_faces;
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/** When determining islands, use Seams as boundary edges. */
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bool use_seams;
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/** (In 3D Viewport or UV Editor) use aspect ratio from face. */
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bool correct_aspect;
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/** Ignore islands which have any pinned UVs. */
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bool ignore_pinned;
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/** Treat unselected UVs as if they were pinned. */
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bool pin_unselected;
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/** Additional space to add around each island. */
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float margin;
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/** Which formula to use when scaling island margin. */
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eUVPackIsland_MarginMethod margin_method;
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/** Additional translation for bottom left corner. */
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float udim_base_offset[2];
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};
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class PackIsland {
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public:
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rctf bounds_rect;
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float2 pre_translate; /* Output. */
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int caller_index; /* Unchanged by #pack_islands, used by caller. */
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};
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void pack_islands(const Span<PackIsland *> &islands,
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const UVPackIsland_Params ¶ms,
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float r_scale[2]);
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} // namespace blender::geometry
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