Fill a rectangle in a bitmap.

Namespace: PDFiumSharp
Assembly: PDFiumSharp (in PDFiumSharp.dll) Version: 1.0.0

C#

public static void FPDFBitmap_FillRect(
	FPDF_BITMAP bitmap,
	int left,
	int top,
	int width,
	int height,
	FPDF_COLOR color
)

bitmap

Type: PDFiumSharp.Types.FPDF_BITMAP
The handle to the bitmap.

left

Type: System.Int32
The left position. Starting from 0 at the left-most pixel.

top

Type: System.Int32
The top position. Starting from 0 at the top-most line.

width

Type: System.Int32
Width in pixels to be filled.

height

Type: System.Int32
Height in pixels to be filled.

color

Type: PDFiumSharp.Types.FPDF_COLOR

This function sets the color and (optionally) alpha value in the specified region of the bitmap. NOTE: If the alpha channel is used, this function does NOT composite the background with the source color, instead the background will be replaced by the source color and the alpha. If the alpha channel is not used, the alpha parameter is ignored.

PDFium Class
PDFiumSharp Namespace
PDFiumBitmap.FillRectangle(Int32, Int32, Int32, Int32, FPDF_COLOR)
PDFiumBitmap.Fill(FPDF_COLOR)