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Ptex
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Common data structures and enums used throughout the API. More...
#include <Ptexture.h>
Classes | |
| struct | FaceInfo |
| Information about a face, as stored in the Ptex file header. More... | |
| struct | Res |
| Pixel resolution of a given texture. More... | |
| class | String |
| Memory-managed string. More... | |
Public Types | |
| enum | MeshType { mt_triangle, mt_quad } |
| Type of base mesh for which the textures are defined. More... | |
| enum | DataType { dt_uint8, dt_uint16, dt_half, dt_float } |
| Type of data stored in texture file. More... | |
| enum | BorderMode { m_clamp, m_black, m_periodic } |
| How to handle mesh border when filtering. More... | |
| enum | EdgeId { e_bottom, e_right, e_top, e_left } |
| Edge IDs used in adjacency data in the Ptex::FaceInfo struct. More... | |
| enum | MetaDataType { mdt_string, mdt_int8, mdt_int16, mdt_int32, mdt_float, mdt_double } |
| Type of meta data entry. More... | |
Static Public Member Functions | |
| static const char * | MeshTypeName (MeshType mt) |
| Look up name of given mesh type. More... | |
| static const char * | DataTypeName (DataType dt) |
| Look up name of given data type. More... | |
| static const char * | BorderModeName (BorderMode m) |
| Look up name of given border mode. More... | |
| static const char * | EdgeIdName (EdgeId eid) |
| Look up name of given edge ID. More... | |
| static const char * | MetaDataTypeName (MetaDataType mdt) |
| Look up name of given meta data type. More... | |
| static int | DataSize (DataType dt) |
| Look up size of given data type (in bytes). More... | |
| static float | OneValue (DataType dt) |
| Look up value of given data type that corresponds to the normalized value of 1.0. More... | |
| static float | OneValueInv (DataType dt) |
| Lookup up inverse value of given data type that corresponds to the normalized value of 1.0. More... | |
| static void | ConvertToFloat (float *dst, const void *src, Ptex::DataType dt, int numChannels) |
| Convert a number of data values from the given data type to float. More... | |
| static void | ConvertFromFloat (void *dst, const float *src, Ptex::DataType dt, int numChannels) |
| Convert a number of data values from float to the given data type. More... | |
Common data structures and enums used throughout the API.
Definition at line 73 of file Ptexture.h.
| enum Ptex::BorderMode |
How to handle mesh border when filtering.
| Enumerator | |
|---|---|
| m_clamp |
texel access is clamped to border |
| m_black |
texel beyond border are assumed to be black |
| m_periodic |
texel access wraps to other side of face |
Definition at line 91 of file Ptexture.h.
| enum Ptex::DataType |
Type of data stored in texture file.
| Enumerator | |
|---|---|
| dt_uint8 |
Unsigned, 8-bit integer. |
| dt_uint16 |
Unsigned, 16-bit integer. |
| dt_half |
Half-precision (16-bit) floating point. |
| dt_float |
Single-precision (32-bit) floating point. |
Definition at line 83 of file Ptexture.h.
| enum Ptex::EdgeId |
Edge IDs used in adjacency data in the Ptex::FaceInfo struct.
Edge ID usage for triangle meshes is TBD.
| Enumerator | |
|---|---|
| e_bottom |
Bottom edge, from UV (0,0) to (1,0) |
| e_right |
Right edge, from UV (1,0) to (1,1) |
| e_top |
Top edge, from UV (1,1) to (0,1) |
| e_left |
Left edge, from UV (0,1) to (0,0) |
Definition at line 99 of file Ptexture.h.
| enum Ptex::MeshType |
Type of base mesh for which the textures are defined.
A mesh can be triangle-based (with triangular textures) or quad-based (with rectangular textures).
| Enumerator | |
|---|---|
| mt_triangle |
Mesh is triangle-based. |
| mt_quad |
Mesh is quad-based. |
Definition at line 77 of file Ptexture.h.
| enum Ptex::MetaDataType |
Type of meta data entry.
Definition at line 107 of file Ptexture.h.
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Look up name of given border mode.
Definition at line 63 of file PtexUtils.cpp.
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Convert a number of data values from the given data type to float.
Definition at line 107 of file PtexUtils.cpp.
References dt_float, dt_half, dt_uint16, and dt_uint8.
Referenced by PtexSeparableFilter::eval(), PtexTriangleFilter::eval(), and PtexReader::getPixel().
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inlinestatic |
Look up size of given data type (in bytes).
Definition at line 132 of file Ptexture.h.
Referenced by PtexSeparableFilter::eval(), PtexTriangleFilter::eval(), PtexReader::getPixel(), PtexIO::Header::pixelSize(), PtexReader::readFaceData(), and PtexWriterBase::writeFaceBlock().
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Look up name of given data type.
Definition at line 54 of file PtexUtils.cpp.
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Look up name of given edge ID.
Definition at line 72 of file PtexUtils.cpp.
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Look up name of given mesh type.
Definition at line 45 of file PtexUtils.cpp.
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Look up name of given meta data type.
Definition at line 81 of file PtexUtils.cpp.
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inlinestatic |
Look up value of given data type that corresponds to the normalized value of 1.0.
Definition at line 138 of file Ptexture.h.
Referenced by PtexUtils::divalpha(), PtexSeparableFilter::eval(), and PtexTriangleFilter::eval().
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inlinestatic |
Lookup up inverse value of given data type that corresponds to the normalized value of 1.0.
Definition at line 144 of file Ptexture.h.
Referenced by PtexUtils::multalpha().
1.8.10