Panda3D
Public Types | Public Member Functions | Static Public Member Functions | Public Attributes | List of all members
PNMBrush Class Referenceabstract

This class is used to control the shape and color of the drawing operations performed by a PNMPainter object. More...

#include "pnmBrush.h"

Inheritance diagram for PNMBrush:
ReferenceCount MemoryBase

Public Types

enum  BrushEffect { BE_set, BE_blend, BE_darken, BE_lighten }
 

Public Member Functions

virtual void draw (PNMImage &image, int x, int y, float pixel_scale)=0
 
virtual void fill (PNMImage &image, int xfrom, int xto, int y, int xo, int yo)=0
 
float get_xc () const
 Returns the coordinates of the brush's center pixel. More...
 
float get_yc () const
 Returns the coordinates of the brush's center pixel. More...
 
- Public Member Functions inherited from ReferenceCount
int get_ref_count () const
 
WeakReferenceListget_weak_list () const
 Returns the WeakReferenceList associated with this ReferenceCount object. More...
 
bool has_weak_list () const
 Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise. More...
 
void local_object ()
 This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack. More...
 
void ref () const
 Explicitly increments the reference count. More...
 
bool ref_if_nonzero () const
 Atomically increases the reference count of this object if it is not zero. More...
 
bool test_ref_count_integrity () const
 Does some easy checks to make sure that the reference count isn't completely bogus. More...
 
bool test_ref_count_nonzero () const
 Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More...
 
virtual bool unref () const
 Explicitly decrements the reference count. More...
 
WeakReferenceListweak_ref ()
 Adds the indicated PointerToVoid as a weak reference to this object. More...
 
void weak_unref ()
 Removes the indicated PointerToVoid as a weak reference to this object. More...
 

Static Public Member Functions

static PT (PNMBrush) make_transparent()
 
static PT (PNMBrush) make_pixel(const LColorf &color
 
static PT (PNMBrush) make_spot(const LColorf &color
 
static PT (PNMBrush) make_image(const PNMImage &image
 
- Static Public Member Functions inherited from ReferenceCount
static TypeHandle get_class_type ()
 
static void init_type ()
 

Public Attributes

static BrushEffect effect = BE_blend)
 
static float bool BrushEffect effect = BE_blend)
 
static float float BrushEffect effect = BE_blend)
 
static float bool fuzzy
 
static float radius
 
static float xc
 
static float float yc
 
- Public Attributes inherited from ReferenceCount
 get_ref_count
 Returns the current reference count. More...
 

Detailed Description

This class is used to control the shape and color of the drawing operations performed by a PNMPainter object.

Normally, you don't create a PNMBrush directly; instead, use one of the static PNMBrush::make_*() methods provided here.

A PNMBrush is used to draw the border of a polygon or rectangle, as well as for filling its interior. When it is used to draw a border, the brush is "smeared" over the border; when it is used to fill the interior, it is tiled through the interior.

Definition at line 36 of file pnmBrush.h.

Member Function Documentation

◆ get_xc()

float PNMBrush::get_xc ( ) const
inline

Returns the coordinates of the brush's center pixel.

For a one-pixel brush, this will be (0.5, 0.5); for a centered two-pixel brush, this will be (1.0, 1.0); for a centered three-pixel brush, this will be (1.5, 1.5); and so on.

Definition at line 28 of file pnmBrush.I.

◆ get_yc()

float PNMBrush::get_yc ( ) const
inline

Returns the coordinates of the brush's center pixel.

For a one-pixel brush, this will be (0.5, 0.5); for a centered two-pixel brush, this will be (1.0, 1.0); for a centered three-pixel brush, this will be (1.5, 1.5); and so on.

Definition at line 39 of file pnmBrush.I.


The documentation for this class was generated from the following files: