com.badlogic.gdx.graphics

Class Pixmap

java.lang.Object

com.badlogic.gdx.graphics.Pixmap

All Implemented Interfaces:

com.badlogic.gdx.utils.Disposable

public class Pixmap
extends java.lang.Object
implements com.badlogic.gdx.utils.Disposable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Pixmap.Blending Blending functions to be set with setBlending(com.badlogic.gdx.graphics.Pixmap.Blending).
static class	Pixmap.Filter Filters to be used with drawPixmap(Pixmap, int, int, int, int, int, int, int, int).
static class	Pixmap.Format Different pixel formats.

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Map<java.lang.Integer,Pixmap>	pixmaps

Constructor Summary

Constructors

Constructor and Description
Pixmap(com.badlogic.gdx.files.FileHandle file)
Pixmap(com.google.gwt.dom.client.ImageElement img)
Pixmap(int width, int height, Pixmap.Format format)

Method Summary

Modifier and Type	Method and Description
boolean	canUseImageElement()
void	dispose()
void	drawCircle(int x, int y, int radius) Draws a circle outline with the center at x,y and a radius using the current color and stroke width.
void	drawLine(int x, int y, int x2, int y2) Draws a line between the given coordinates using the currently set color.
void	drawPixel(int x, int y) Draws a pixel at the given location with the current color.
void	drawPixel(int x, int y, int color) Draws a pixel at the given location with the given color.
void	drawPixmap(Pixmap pixmap, int x, int y) Draws an area form another Pixmap to this Pixmap.
void	drawPixmap(Pixmap pixmap, int x, int y, int srcx, int srcy, int srcWidth, int srcHeight) Draws an area form another Pixmap to this Pixmap.
void	drawPixmap(Pixmap pixmap, int srcx, int srcy, int srcWidth, int srcHeight, int dstx, int dsty, int dstWidth, int dstHeight) Draws an area form another Pixmap to this Pixmap.
void	drawRectangle(int x, int y, int width, int height) Draws a rectangle outline starting at x, y extending by width to the right and by height downwards (y-axis points downwards) using the current color.
void	fill() Fills the complete bitmap with the currently set color.
void	fillCircle(int x, int y, int radius) Fills a circle with the center at x,y and a radius using the current color.
void	fillRectangle(int x, int y, int width, int height) Fills a rectangle starting at x, y extending by width to the right and by height downwards (y-axis points downwards) using the current color.
void	fillTriangle(int x1, int y1, int x2, int y2, int x3, int y3) Fills a triangle with vertices at x1,y1 and x2,y2 and x3,y3 using the current color.
static Pixmap.Blending	getBlending()
com.google.gwt.dom.client.CanvasElement	getCanvasElement()
com.google.gwt.canvas.dom.client.Context2d	getContext()
Pixmap.Format	getFormat()
int	getGLFormat()
int	getGLInternalFormat()
int	getGLType()
int	getHeight()
com.google.gwt.dom.client.ImageElement	getImageElement()
int	getPixel(int x, int y) Returns the 32-bit RGBA8888 value of the pixel at x, y.
java.nio.Buffer	getPixels()
int	getWidth()
static java.lang.String	make(int r2, int g2, int b2, float a2)
static void	setBlending(Pixmap.Blending blending) Sets the type of Pixmap.Blending to be used for all operations.
void	setColor(com.badlogic.gdx.graphics.Color color) Sets the color for the following drawing operations.
void	setColor(float r, float g, float b, float a) Sets the color for the following drawing operations.
void	setColor(int color) Sets the color for the following drawing operations
static void	setFilter(Pixmap.Filter filter) Sets the type of interpolation Pixmap.Filter to be used in conjunction with drawPixmap(Pixmap, int, int, int, int, int, int, int, int).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

pixmaps

public static java.util.Map<java.lang.Integer,Pixmap> pixmaps

Constructor Detail

Pixmap

public Pixmap(com.badlogic.gdx.files.FileHandle file)

Pixmap

public Pixmap(com.google.gwt.dom.client.ImageElement img)

Pixmap

public Pixmap(int width,
              int height,
              Pixmap.Format format)

Method Detail

getContext

public com.google.gwt.canvas.dom.client.Context2d getContext()

make

public static java.lang.String make(int r2,
                                    int g2,
                                    int b2,
                                    float a2)

setBlending

public static void setBlending(Pixmap.Blending blending)

Sets the type of Pixmap.Blending to be used for all operations. Default is Pixmap.Blending.SourceOver.

Parameters:

blending - the blending type

getBlending

public static Pixmap.Blending getBlending()

Returns:

the currently set Pixmap.Blending

setFilter

public static void setFilter(Pixmap.Filter filter)

Sets the type of interpolation Pixmap.Filter to be used in conjunction with drawPixmap(Pixmap, int, int, int, int, int, int, int, int).

Parameters:

filter - the filter.

getFormat

public Pixmap.Format getFormat()

getGLInternalFormat

public int getGLInternalFormat()

getGLFormat

public int getGLFormat()

getGLType

public int getGLType()

getWidth

public int getWidth()

getHeight

public int getHeight()

getPixels

public java.nio.Buffer getPixels()

dispose

public void dispose()

Specified by:

dispose in interface com.badlogic.gdx.utils.Disposable

getCanvasElement

public com.google.gwt.dom.client.CanvasElement getCanvasElement()

canUseImageElement

public boolean canUseImageElement()

getImageElement

public com.google.gwt.dom.client.ImageElement getImageElement()

setColor

public void setColor(int color)

Sets the color for the following drawing operations

Parameters:

color - the color, encoded as RGBA8888

setColor

public void setColor(float r,
                     float g,
                     float b,
                     float a)

Sets the color for the following drawing operations.

Parameters:

r - The red component.

g - The green component.

b - The blue component.

a - The alpha component.

setColor

public void setColor(com.badlogic.gdx.graphics.Color color)

Sets the color for the following drawing operations.

Parameters:

color - The color.

fill

public void fill()

Fills the complete bitmap with the currently set color.

drawLine

public void drawLine(int x,
                     int y,
                     int x2,
                     int y2)

Draws a line between the given coordinates using the currently set color.

Parameters:

x - The x-coodinate of the first point

y - The y-coordinate of the first point

x2 - The x-coordinate of the first point

y2 - The y-coordinate of the first point

drawRectangle

public void drawRectangle(int x,
                          int y,
                          int width,
                          int height)

Draws a rectangle outline starting at x, y extending by width to the right and by height downwards (y-axis points downwards) using the current color.

Parameters:

x - The x coordinate

y - The y coordinate

width - The width in pixels

height - The height in pixels

drawPixmap

public void drawPixmap(Pixmap pixmap,
                       int x,
                       int y)

Draws an area form another Pixmap to this Pixmap.

Parameters:

pixmap - The other Pixmap

x - The target x-coordinate (top left corner)

y - The target y-coordinate (top left corner)

drawPixmap

public void drawPixmap(Pixmap pixmap,
                       int x,
                       int y,
                       int srcx,
                       int srcy,
                       int srcWidth,
                       int srcHeight)

Draws an area form another Pixmap to this Pixmap.

Parameters:

pixmap - The other Pixmap

x - The target x-coordinate (top left corner)

y - The target y-coordinate (top left corner)

srcx - The source x-coordinate (top left corner)

srcy - The source y-coordinate (top left corner);

srcWidth - The width of the area form the other Pixmap in pixels

srcHeight - The height of the area form the other Pixmap in pixles

drawPixmap

public void drawPixmap(Pixmap pixmap,
                       int srcx,
                       int srcy,
                       int srcWidth,
                       int srcHeight,
                       int dstx,
                       int dsty,
                       int dstWidth,
                       int dstHeight)

Draws an area form another Pixmap to this Pixmap. This will automatically scale and stretch the source image to the specified target rectangle. Use setFilter(Filter) to specify the type of filtering to be used (nearest neighbour or bilinear).

Parameters:

pixmap - The other Pixmap

srcx - The source x-coordinate (top left corner)

srcy - The source y-coordinate (top left corner);

srcWidth - The width of the area form the other Pixmap in pixels

srcHeight - The height of the area form the other Pixmap in pixles

dstx - The target x-coordinate (top left corner)

dsty - The target y-coordinate (top left corner)

dstWidth - The target width

dstHeight - the target height

fillRectangle

public void fillRectangle(int x,
                          int y,
                          int width,
                          int height)

Fills a rectangle starting at x, y extending by width to the right and by height downwards (y-axis points downwards) using the current color.

Parameters:

x - The x coordinate

y - The y coordinate

width - The width in pixels

height - The height in pixels

drawCircle

public void drawCircle(int x,
                       int y,
                       int radius)

Draws a circle outline with the center at x,y and a radius using the current color and stroke width.

Parameters:

x - The x-coordinate of the center

y - The y-coordinate of the center

radius - The radius in pixels

fillCircle

public void fillCircle(int x,
                       int y,
                       int radius)

Fills a circle with the center at x,y and a radius using the current color.

Parameters:

x - The x-coordinate of the center

y - The y-coordinate of the center

radius - The radius in pixels

fillTriangle

public void fillTriangle(int x1,
                         int y1,
                         int x2,
                         int y2,
                         int x3,
                         int y3)

Fills a triangle with vertices at x1,y1 and x2,y2 and x3,y3 using the current color.

Parameters:

x1 - The x-coordinate of vertex 1

y1 - The y-coordinate of vertex 1

x2 - The x-coordinate of vertex 2

y2 - The y-coordinate of vertex 2

x3 - The x-coordinate of vertex 3

y3 - The y-coordinate of vertex 3

getPixel

public int getPixel(int x,
                    int y)

Returns the 32-bit RGBA8888 value of the pixel at x, y. For Alpha formats the RGB components will be one.

Parameters:

x - The x-coordinate

y - The y-coordinate

Returns:

The pixel color in RGBA8888 format.

drawPixel

public void drawPixel(int x,
                      int y)

Draws a pixel at the given location with the current color.

Parameters:

x - the x-coordinate

y - the y-coordinate

drawPixel

public void drawPixel(int x,
                      int y,
                      int color)

Draws a pixel at the given location with the given color.

Parameters:

x - the x-coordinate

y - the y-coordinate

color - the color in RGBA8888 format.