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Added functions to Text3d that allow modifying of text frames

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* .addFrame()
* .removeFrame(index)

getseters
* .activeFrame
* .totalFrames
* .frameWidth
* .frameHeight
* .frameX
* .frameY
This commit is contained in:
Campbell Barton
2007-03-03 14:05:36 +00:00
parent d1b17f8c30
commit ffab782e4c
2 changed files with 195 additions and 4 deletions
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178
source/blender/python/api2_2x/Text3d.c
View File

@@ -27,6 +27,7 @@
*
* Contributor(s): Joilnen Leite
* Johnny Matthews
* Campbell BArton
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
@@ -45,7 +46,16 @@
#include "Font.h"
#include "gen_utils.h"
//no prototypes declared in header files - external linkage outside of python
enum t3d_consts {
EXPP_T3D_ATTR_FRAME_WIDTH = 0,
EXPP_T3D_ATTR_FRAME_HEIGHT,
EXPP_T3D_ATTR_FRAME_X,
EXPP_T3D_ATTR_FRAME_Y
};
/*no prototypes declared in header files - external linkage outside of python*/
extern VFont *get_builtin_font(void);
extern void freedisplist(struct ListBase *lb);
extern VFont *give_vfontpointer(int);
@@ -124,6 +134,8 @@ static PyObject *Text3d_getAlignment( BPy_Text3d * self );
static PyObject *Text3d_setAlignment( BPy_Text3d * self, PyObject * args );
static PyObject *Text3d_getFont( BPy_Text3d * self );
static PyObject *Text3d_setFont( BPy_Text3d * self, PyObject * args );
static PyObject *Text3d_addFrame( BPy_Text3d * self );
static PyObject *Text3d_removeFrame( BPy_Text3d * self, PyObject * args );
/*****************************************************************************/
/* Python BPy_Text3d methods table: */
@@ -200,14 +212,139 @@ static PyMethodDef BPy_Text3d_methods[] = {
METH_NOARGS, "() - Gets font list for Text3d"},
{"setFont", ( PyCFunction ) Text3d_setFont,
METH_VARARGS, "() - Sets font for Text3d"},
{"addFrame", ( PyCFunction ) Text3d_addFrame,
METH_NOARGS, "() - adds a new text frame"},
{"removeFrame", ( PyCFunction ) Text3d_removeFrame,
METH_VARARGS, "(index) - remove this frame"},
{NULL, NULL, 0, NULL}
};
static PyObject *Text3d_getTotalFrames( BPy_Text3d * self )
{
return PyInt_FromLong( (long)(self->curve->totbox ) );
}
static PyObject *Text3d_getActiveFrame( BPy_Text3d * self )
{
return PyInt_FromLong( (long)(self->curve->actbox-1) );
}
static int Text3d_setActiveFrame( BPy_Text3d * self, PyObject * value )
{
struct Curve *curve= self->curve;
PyObject* frame_int = PyNumber_Int( value );
int index;
if( !frame_int )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected integer argument" );
index = ( int )PyInt_AS_LONG( frame_int );
index ++;
if (index < 1 || index > curve->totbox)
return EXPP_ReturnIntError( PyExc_IndexError,
"index out of range" );
curve->actbox = index;
return 0;
}
static PyObject *getFloatAttr( BPy_Text3d *self, void *type )
{
float param;
struct Curve *curve= self->curve;
switch( (int)type ) {
case EXPP_T3D_ATTR_FRAME_WIDTH:
param = curve->tb[curve->actbox-1].w;
break;
case EXPP_T3D_ATTR_FRAME_HEIGHT:
param = curve->tb[curve->actbox-1].h;
break;
case EXPP_T3D_ATTR_FRAME_X:
param = curve->tb[curve->actbox-1].x;
break;
case EXPP_T3D_ATTR_FRAME_Y:
param = curve->tb[curve->actbox-1].y;
break;
default:
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"undefined type in getFloatAttr" );
}
return PyFloat_FromDouble( param );
}
static int setFloatAttrClamp( BPy_Text3d *self, PyObject *value, void *type )
{
float *param;
struct Curve *curve= self->curve;
float min, max;
switch( (int)type ) {
case EXPP_T3D_ATTR_FRAME_WIDTH:
min = 0.0;
max = 50.0;
param = &(curve->tb[curve->actbox-1].w);
break;
case EXPP_T3D_ATTR_FRAME_HEIGHT:
min = 0.0;
max = 50.0;
param = &(curve->tb[curve->actbox-1].h);
break;
case EXPP_T3D_ATTR_FRAME_X:
min = 0.0;
max = 50.0;
param = &(curve->tb[curve->actbox-1].x);
break;
case EXPP_T3D_ATTR_FRAME_Y:
min = 0.0;
max = 50.0;
param = &(curve->tb[curve->actbox-1].y);
break;
default:
return EXPP_ReturnIntError( PyExc_RuntimeError,
"undefined type in setFloatAttrClamp" );
}
return EXPP_setFloatClamped( value, param, min, max );
}
/*****************************************************************************/
/* Python attributes get/set structure: */
/*****************************************************************************/
static PyGetSetDef BPy_Text3d_getseters[] = {
GENERIC_LIB_GETSETATTR, /* didnt have any attributes, at least lets have the standard ID attrs */
{"activeFrame",
(getter)Text3d_getActiveFrame, (setter)Text3d_setActiveFrame,
"the index of the active text frame",
NULL},
{"totalFrames",
(getter)Text3d_getTotalFrames, (setter)NULL,
"the total number of text frames",
NULL},
{"frameWidth",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the width of the active text frame",
(void *)EXPP_T3D_ATTR_FRAME_WIDTH},
{"frameHeight",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the height of the active text frame",
(void *)EXPP_T3D_ATTR_FRAME_HEIGHT},
{"frameX",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the X position of the active text frame",
(void *)EXPP_T3D_ATTR_FRAME_X},
{"frameY",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the Y position of the active text frame",
(void *)EXPP_T3D_ATTR_FRAME_Y},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
@@ -1004,6 +1141,45 @@ static PyObject *Text3d_setFont( BPy_Text3d * self, PyObject * args )
Py_RETURN_NONE;
}
static PyObject *Text3d_addFrame( BPy_Text3d * self )
{
Curve *cu = self->curve;
if (cu->totbox >= 256)
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"limited to 256 frames" );
cu->totbox++;
cu->tb[cu->totbox-1]= cu->tb[cu->totbox-2];
Py_RETURN_NONE;
}
static PyObject *Text3d_removeFrame( BPy_Text3d * self, PyObject * args )
{
Curve *cu = self->curve;
int index, i;
if (cu->totbox == 1)
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"cannot remove the last frame" );
index = cu->totbox-1;
if( !PyArg_ParseTuple( args, "|i", &index ) )
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"expected an int" );
if (index < 0 || index >= cu->totbox )
return EXPP_ReturnPyObjError( PyExc_IndexError,
"index out of range" );
for (i = index; i < cu->totbox; i++) cu->tb[i]= cu->tb[i+1];
cu->totbox--;
cu->actbox--;
Py_RETURN_NONE;
}
PyObject *M_Text3d_LoadFont( PyObject * self, PyObject * args )
{
char *fontfile= NULL;

21
source/blender/python/api2_2x/doc/Text3d.py
View File

@@ -42,9 +42,13 @@ class Text3d:
The Text3d object
=================
This object gives access Blender's B{Font} objects
@ivar filename: The filename of the file loaded into this Text.
@ivar mode: The follow_mode flag: if 1 it is 'on'; if 0, 'off'.
@ivar nlines: The number of lines in this Text.
@ivar frameWidth: The width of the active frame [0.0 - 50.0]
@ivar frameHeight: The height of the active frame [0.0 - 50.0]
@ivar frameX: The X position of the active frame [0.0 - 50.0]
@ivar frameY: The Y position of the active frame [0.0 - 50.0]
@ivar totalFrames: The total number of text frames (read only)
@ivar activeFrame: The active frame for this text data.
"""
def getName():
@@ -282,6 +286,17 @@ class Text3d:
@type align: module constant
@param align: The new text3d's Alignment value.
"""
def addFrame():
"""
Adds a text frame. maximum number of frames is 255.
@rtype: None
"""
def removeFrame(index):
"""
Removed the frame at this index
@rtype: None
"""
import id_generics
Text3d.__doc__ += id_generics.attributes