## Bitmap(filename)

Constructor

#### # new Bitmap(filename)

Load a BMP, TGA, PCX or PNG image.

Note: PNG module must be loaded by calling LoadLibrary("png") before using this function with PNG files! Note: JPEG module must be loaded by calling LoadLibrary("jpeg") before loading JPEG files!

##### Parameters:

Name | Type | Description
--- | --- | ---
`filename` | string | name of the file.

See:
  - LoadLibrary()

# Members

Type: string

#### # filename

Name of the file.

Type: number

#### # height

Height in pixels

Type: number

#### # width

Width in pixels

# Methods

#### # Clear()

clear the bitmap to EGA.BLACK.

#### # Draw(x, y)

Draw the image to the canvas at given coordinates.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.

#### # DrawAdvanced(srcX, srcY, srcW, srcH, destX, destY, destW, destH)

Draw the image to the canvas at given coordinates.

##### Parameters:

Name | Type | Description
--- | --- | ---
`srcX` | number | source position to draw from.
`srcY` | number | source position to draw from.
`srcW` | number | source size to draw from.
`srcH` | number | source size to draw from.
`destX` | number | position to draw to.
`destY` | number | position to draw to.
`destW` | number | size to draw.
`destH` | number | size to draw.

#### # DrawTrans(x, y)

Draw the image to the canvas at given coordinates using the alpha channel transparency. Only works for 32bit TGA with alpha channel information.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.

#### # FxDrawLfb(x, y, buffer, pipeline)

draw the bitmap directly into the 3dfx/voodoo framebuffer (only works when fxInit() was called).

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.
`buffer` | GR_BUFFER | one of FRONTBUFFER, BACKBUFFER or AUXBUFFER
`pipeline` | boolean | true if the pixels shall be processed by the voodoos pixel pipeline, false to just draw.

#### # GetPixel(x, y) → {number}

Get the color of a pixel of this image.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position.
`y` | number | position.

Returns:

the color of the pixel.

Type: number

#### # SaveBmpImage(fname)

Save bitmap to BMP file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

#### # SavePcxImage(fname)

Save bitmap to PCX file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

#### # SavePngImage(fname)

Save bitmap to PNG file.

Note: PNG module must be loaded by calling LoadLibrary("png") before using this function!

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

See:
  - LoadLibrary()

#### # SaveTgaImage(fname)

Save bitmap to TGA file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

## Bitmap(width, height, coloropt)

Constructor

#### # new Bitmap(width, height, coloropt)

create empty bitmap of given size.

##### Parameters:

Name | Type | Attributes | Description
--- | --- | --- | ---
`width` | number |  | bitmap width.
`height` | number |  | bitmap width.
`color` | number | <optional> | background color of the new bitmap.

# Members

Type: string

#### # filename

Name of the file.

Type: number

#### # height

Height in pixels

Type: number

#### # width

Width in pixels

# Methods

#### # Clear()

clear the bitmap to EGA.BLACK.

#### # Draw(x, y)

Draw the image to the canvas at given coordinates.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.

#### # DrawAdvanced(srcX, srcY, srcW, srcH, destX, destY, destW, destH)

Draw the image to the canvas at given coordinates.

##### Parameters:

Name | Type | Description
--- | --- | ---
`srcX` | number | source position to draw from.
`srcY` | number | source position to draw from.
`srcW` | number | source size to draw from.
`srcH` | number | source size to draw from.
`destX` | number | position to draw to.
`destY` | number | position to draw to.
`destW` | number | size to draw.
`destH` | number | size to draw.

#### # DrawTrans(x, y)

Draw the image to the canvas at given coordinates using the alpha channel transparency. Only works for 32bit TGA with alpha channel information.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.

#### # FxDrawLfb(x, y, buffer, pipeline)

draw the bitmap directly into the 3dfx/voodoo framebuffer (only works when fxInit() was called).

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.
`buffer` | GR_BUFFER | one of FRONTBUFFER, BACKBUFFER or AUXBUFFER
`pipeline` | boolean | true if the pixels shall be processed by the voodoos pixel pipeline, false to just draw.

#### # GetPixel(x, y) → {number}

Get the color of a pixel of this image.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position.
`y` | number | position.

Returns:

the color of the pixel.

Type: number

#### # SaveBmpImage(fname)

Save bitmap to BMP file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

#### # SavePcxImage(fname)

Save bitmap to PCX file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

#### # SavePngImage(fname)

Save bitmap to PNG file.

Note: PNG module must be loaded by calling LoadLibrary("png") before using this function!

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

See:
  - LoadLibrary()

#### # SaveTgaImage(fname)

Save bitmap to TGA file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

## Bitmap(data, width, height)

Constructor

#### # new Bitmap(data, width, height)

create Bitmap from integer array.

##### Parameters:

Name | Type | Description
--- | --- | ---
`data` | Array.<number> | 32bit integer data interpreted as ARGB.
`width` | number | bitmap width.
`height` | number | bitmap height.

# Members

Type: string

#### # filename

Name of the file.

Type: number

#### # height

Height in pixels

Type: number

#### # width

Width in pixels

# Methods

#### # Clear()

clear the bitmap to EGA.BLACK.

#### # Draw(x, y)

Draw the image to the canvas at given coordinates.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.

#### # DrawAdvanced(srcX, srcY, srcW, srcH, destX, destY, destW, destH)

Draw the image to the canvas at given coordinates.

##### Parameters:

Name | Type | Description
--- | --- | ---
`srcX` | number | source position to draw from.
`srcY` | number | source position to draw from.
`srcW` | number | source size to draw from.
`srcH` | number | source size to draw from.
`destX` | number | position to draw to.
`destY` | number | position to draw to.
`destW` | number | size to draw.
`destH` | number | size to draw.

#### # DrawTrans(x, y)

Draw the image to the canvas at given coordinates using the alpha channel transparency. Only works for 32bit TGA with alpha channel information.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.

#### # FxDrawLfb(x, y, buffer, pipeline)

draw the bitmap directly into the 3dfx/voodoo framebuffer (only works when fxInit() was called).

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.
`buffer` | GR_BUFFER | one of FRONTBUFFER, BACKBUFFER or AUXBUFFER
`pipeline` | boolean | true if the pixels shall be processed by the voodoos pixel pipeline, false to just draw.

#### # GetPixel(x, y) → {number}

Get the color of a pixel of this image.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position.
`y` | number | position.

Returns:

the color of the pixel.

Type: number

#### # SaveBmpImage(fname)

Save bitmap to BMP file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

#### # SavePcxImage(fname)

Save bitmap to PCX file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

#### # SavePngImage(fname)

Save bitmap to PNG file.

Note: PNG module must be loaded by calling LoadLibrary("png") before using this function!

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

See:
  - LoadLibrary()

#### # SaveTgaImage(fname)

Save bitmap to TGA file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

## Bitmap(x, y, width, height, bufferopt)

Constructor

#### # new Bitmap(x, y, width, height, bufferopt)

create Bitmap from current(3dfx) screen.

##### Parameters:

Name | Type | Attributes | Description
--- | --- | --- | ---
`x` | number |  | screen x position.
`y` | number |  | screen y position.
`width` | number |  | bitmap width.
`height` | number |  | bitmap height.
`buffer` | GR_BUFFER | <optional> | one of FRONTBUFFER, BACKBUFFER or AUXBUFFER for 3dfx access, omit for normal screen acccess.

# Members

Type: string

#### # filename

Name of the file.

Type: number

#### # height

Height in pixels

Type: number

#### # width

Width in pixels

# Methods

#### # Clear()

clear the bitmap to EGA.BLACK.

#### # Draw(x, y)

Draw the image to the canvas at given coordinates.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.

#### # DrawAdvanced(srcX, srcY, srcW, srcH, destX, destY, destW, destH)

Draw the image to the canvas at given coordinates.

##### Parameters:

Name | Type | Description
--- | --- | ---
`srcX` | number | source position to draw from.
`srcY` | number | source position to draw from.
`srcW` | number | source size to draw from.
`srcH` | number | source size to draw from.
`destX` | number | position to draw to.
`destY` | number | position to draw to.
`destW` | number | size to draw.
`destH` | number | size to draw.

#### # DrawTrans(x, y)

Draw the image to the canvas at given coordinates using the alpha channel transparency. Only works for 32bit TGA with alpha channel information.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.

#### # FxDrawLfb(x, y, buffer, pipeline)

draw the bitmap directly into the 3dfx/voodoo framebuffer (only works when fxInit() was called).

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position to draw to.
`y` | number | position to draw to.
`buffer` | GR_BUFFER | one of FRONTBUFFER, BACKBUFFER or AUXBUFFER
`pipeline` | boolean | true if the pixels shall be processed by the voodoos pixel pipeline, false to just draw.

#### # GetPixel(x, y) → {number}

Get the color of a pixel of this image.

##### Parameters:

Name | Type | Description
--- | --- | ---
`x` | number | position.
`y` | number | position.

Returns:

the color of the pixel.

Type: number

#### # SaveBmpImage(fname)

Save bitmap to BMP file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

#### # SavePcxImage(fname)

Save bitmap to PCX file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

#### # SavePngImage(fname)

Save bitmap to PNG file.

Note: PNG module must be loaded by calling LoadLibrary("png") before using this function!

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.

See:
  - LoadLibrary()

#### # SaveTgaImage(fname)

Save bitmap to TGA file.

##### Parameters:

Name | Type | Description
--- | --- | ---
`fname` | string | filename.