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improve C++ API 

Make VObject inheritance public, so we can have a single set() for all
VObject-derived types.
This commit is contained in:
John Cupitt 2020-08-19 15:08:28 +01:00
parent 2188e79283
commit 409301a200
7 changed files with 54 additions and 91 deletions
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3
ChangeLog
View File

@ -1,5 +1,8 @@
14/8/20 started 8.11
- add vips_jpegload_source() and vips_svgload_source() to public C API
- integrate doxygen in build system to generate C++ API docs
- improve C++ API doc comments
- add VipsInterpolate and guint64 support to C++ API
9/8/20 started 8.10.1
- fix markdown -> xml conversion in doc generation

26
cplusplus/VConnection.cpp
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@ -110,19 +110,6 @@ VSource::new_from_options( const char *options )
return( out );
}
VOption *
VOption::set( const char *name, const VSource value )
{
Pair *pair = new Pair( name );
pair->input = true;
g_value_init( &pair->value, VIPS_TYPE_SOURCE );
g_value_set_object( &pair->value, value.get_source() );
options.push_back( pair );
return( this );
}
VTarget
VTarget::new_to_descriptor( int descriptor )
{
@ -162,17 +149,4 @@ VTarget::new_to_memory()
return( out );
}
VOption *
VOption::set( const char *name, const VTarget value )
{
Pair *pair = new Pair( name );
pair->input = true;
g_value_init( &pair->value, VIPS_TYPE_TARGET );
g_value_set_object( &pair->value, value.get_target() );
options.push_back( pair );
return( this );
}
VIPS_NAMESPACE_END

86
cplusplus/VImage.cpp
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@ -140,20 +140,6 @@ VOption::set( const char *name, int value )
return( this );
}
// input double
VOption *
VOption::set( const char *name, double value )
{
Pair *pair = new Pair( name );
pair->input = true;
g_value_init( &pair->value, G_TYPE_DOUBLE );
g_value_set_double( &pair->value, value );
options.push_back( pair );
return( this );
}
// input guint64
VOption *
VOption::set( const char *name, guint64 value )
@ -168,6 +154,20 @@ VOption::set( const char *name, guint64 value )
return( this );
}
// input double
VOption *
VOption::set( const char *name, double value )
{
Pair *pair = new Pair( name );
pair->input = true;
g_value_init( &pair->value, G_TYPE_DOUBLE );
g_value_set_double( &pair->value, value );
options.push_back( pair );
return( this );
}
VOption *
VOption::set( const char *name, const char *value )
{
@ -181,39 +181,17 @@ VOption::set( const char *name, const char *value )
return( this );
}
// input image
// input vips object (image, source, target, etc. etc.)
VOption *
VOption::set( const char *name, const VImage value )
VOption::set( const char *name, const VObject value )
{
Pair *pair = new Pair( name );
VipsObject *object = value.get_object();
GType type = G_VALUE_TYPE( object );
pair->input = true;
g_value_init( &pair->value, VIPS_TYPE_IMAGE );
g_value_set_object( &pair->value, value.get_image() );
options.push_back( pair );
return( this );
}
// input double array
VOption *
VOption::set( const char *name, std::vector<double> value )
{
Pair *pair = new Pair( name );
double *array;
unsigned int i;
pair->input = true;
g_value_init( &pair->value, VIPS_TYPE_ARRAY_DOUBLE );
vips_value_set_array_double( &pair->value, NULL,
static_cast< int >( value.size() ) );
array = vips_value_get_array_double( &pair->value, NULL );
for( i = 0; i < value.size(); i++ )
array[i] = value[i];
g_value_init( &pair->value, type );
g_value_set_object( &pair->value, object );
options.push_back( pair );
return( this );
@ -243,6 +221,30 @@ VOption::set( const char *name, std::vector<int> value )
return( this );
}
// input double array
VOption *
VOption::set( const char *name, std::vector<double> value )
{
Pair *pair = new Pair( name );
double *array;
unsigned int i;
pair->input = true;
g_value_init( &pair->value, VIPS_TYPE_ARRAY_DOUBLE );
vips_value_set_array_double( &pair->value, NULL,
static_cast< int >( value.size() ) );
array = vips_value_get_array_double( &pair->value, NULL );
for( i = 0; i < value.size(); i++ )
array[i] = value[i];
options.push_back( pair );
return( this );
}
// input image array
VOption *
VOption::set( const char *name, std::vector<VImage> value )

13
cplusplus/VInterpolate.cpp
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@ -60,17 +60,4 @@ VInterpolate::new_from_name( const char *name, VOption *options )
return( out );
}
VOption *
VOption::set( const char *name, const VInterpolate value )
{
Pair *pair = new Pair( name );
pair->input = true;
g_value_init( &pair->value, VIPS_TYPE_INTERPOLATE );
g_value_set_object( &pair->value, value.get_interpolate() );
options.push_back( pair );
return( this );
}
VIPS_NAMESPACE_END

4
cplusplus/include/vips/VConnection8.h
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@ -34,7 +34,7 @@
VIPS_NAMESPACE_START
class VSource : VObject
class VSource : public VObject
{
public:
VSource( VipsSource *input, VSteal steal = STEAL ) :
@ -66,7 +66,7 @@ public:
};
class VTarget : VObject
class VTarget : public VObject
{
public:
VTarget( VipsTarget *output, VSteal steal = STEAL ) :

11
cplusplus/include/vips/VImage8.h
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@ -223,13 +223,10 @@ public:
VOption *set( const char *name, guint64 value );
VOption *set( const char *name, double value );
VOption *set( const char *name, const char *value );
VOption *set( const char *name, const VImage value );
VOption *set( const char *name, const VInterpolate value );
VOption *set( const char *name, const VSource value );
VOption *set( const char *name, const VTarget value );
VOption *set( const char *name, std::vector<VImage> value );
VOption *set( const char *name, std::vector<double> value );
VOption *set( const char *name, const VObject value );
VOption *set( const char *name, std::vector<int> value );
VOption *set( const char *name, std::vector<double> value );
VOption *set( const char *name, std::vector<VImage> value );
VOption *set( const char *name, VipsBlob *value );
VOption *set( const char *name, bool *value );
@ -244,7 +241,7 @@ public:
};
class VImage : VObject
class VImage : public VObject
{
public:
using VObject::is_null;

2
cplusplus/include/vips/VInterpolate8.h
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@ -41,7 +41,7 @@ VIPS_NAMESPACE_START
* The available interpolators vary a bit with your libvips version and how it
* was built, but will include `nearest`, `bilinear` and `bicubic`.
*/
class VInterpolate : VObject
class VInterpolate : public VObject
{
public:
/**