win32

package
v0.0.0-...-3c317a0 Latest Latest
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 Go to latest Published: Jan 30, 2025 License: GPL-3.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	OBJ_PEN         = 1
	OBJ_BRUSH       = 2
	OBJ_DC          = 3
	OBJ_METADC      = 4
	OBJ_PAL         = 5
	OBJ_FONT        = 6
	OBJ_BITMAP      = 7
	OBJ_REGION      = 8
	OBJ_METAFILE    = 9
	OBJ_MEMDC       = 10
	OBJ_EXTPEN      = 11
	OBJ_ENHMETADC   = 12
	OBJ_ENHMETAFILE = 13
	OBJ_COLORSPACE  = 14
)

Object Definitions for EnumObjects()

View Source 
const (
	Arial         = "Arial"
	TimesNewRoman = "Times New Roman"
	CourierNew    = "Courier New"
	Verdana       = "Verdana"
)
View Source 
const (
	PRINTER_ATTRIBUTE_LOCAL   uint32 = 0x00000040
	PRINTER_ATTRIBUTE_NETWORK uint32 = 0x00000010
)
View Source 
const (
	HFONT = 6 // Object type for getCurrentFont
)

Constants

Variables

This section is empty.

Functions

func ClosePrinter 

func ClosePrinter(handle Printer) (err error)

func Default 

func Default() (string, error)

func DeleteDC 

func DeleteDC(dc HDC) (err error)

DeleteDC https://learn.microsoft.com/en-us/windows/win32/api/wingdi/nf-wingdi-deletedc

func DrawDIImage 

func DrawDIImage(dc HDC, dx, dy, dw, dh, sx, sy uint32, sw, sh int32, image []byte) (err error)

func EndDoc 

func EndDoc(dc HDC) (err error)

https://learn.microsoft.com/zh-cn/windows/win32/api/wingdi/nf-wingdi-enddoc

func EndDocPrinter 

func EndDocPrinter(handle Printer) (err error)

https://learn.microsoft.com/zh-cn/windows/win32/printdocs/enddocprinter

func EndPage 

func EndPage(dc HDC) (err error)

func EndPagePrinter 

func EndPagePrinter(handle Printer) (err error)

func EnumPrinter 

func EnumPrinter(flag EnumFlag, name *uint16, level uint32, info *byte, bufLen uint32, bufSize *uint32, returnLen *uint32) (err error)

EnumPrinter https://learn.microsoft.com/zh-cn/windows/win32/printdocs/enumprinters

func GetDefaultPrinter 

func GetDefaultPrinter(buf *uint16, bufN *uint32) (err error)

func GetDeviceCaps 

func GetDeviceCaps(dc HDC, index PropType) (number uint32, err error)

func GetPixel 

func GetPixel(dc HDC, x, y uint32) (color uint32, err error)

GetPixel https://learn.microsoft.com/zh-cn/windows/win32/api/wingdi/nf-wingdi-getpixel

func GetTextExtentPoint32 

func GetTextExtentPoint32(hdc syscall.Handle, text string) (uint32, uint32, error)

Calcule la largeur et la hauteur de la chaîne passée en paramètre

func LineTo 

func LineTo(dc HDC, x, y uint32) (err error)

func MoveTo 

func MoveTo(dc HDC, x, y uint32) (rect *image.Point, err error)

func ResetDC 

func ResetDC(dc HDC) (err error)

ResetDC https://learn.microsoft.com/en-us/windows/win32/api/wingdi/nf-wingdi-resetdcw

func SetBoldFont 

func SetBoldFont(hdc HDC, bold bool) (err error)

func SetDefaultPrinter 

func SetDefaultPrinter(buf *uint16) (err error)

func SetFont 

func SetFont(hdc HDC, fontName string) (err error)

func SetItalicFont 

func SetItalicFont(hdc HDC, italic bool) (err error)

func SetPixel 

func SetPixel(dc HDC, x, y uint32, color uint32) (err error)

SetPixel https://learn.microsoft.com/zh-cn/windows/win32/api/wingdi/nf-wingdi-setpixel

func SetTextSize 

func SetTextSize(hdc HDC, size int32) (i int32, err error)

SetTextSize changes the text height for the specified device context Parameters:

  • hdc: Handle to the device context
  • size: Text height in logical units (points)

Returns:

  • error: nil if successful, error object otherwise

func StartDCPrinter 

func StartDCPrinter(dc HDC, docName string) (err error)

func StartDoc 

func StartDoc(dc HDC, doc *DOCINFOA) (err error)

https://learn.microsoft.com/zh-cn/windows/win32/api/wingdi/nf-wingdi-startdocw

func StartDocPrinter 

func StartDocPrinter(handle Printer, level uint32, doc *DOC_INFO_1) (err error)

https://learn.microsoft.com/en-us/windows/win32/printdocs/startdocprinter

func StartPage 

func StartPage(dc HDC) (err error)

https://learn.microsoft.com/zh-cn/windows/win32/api/wingdi/nf-wingdi-startpage

func StartPagePrinter 

func StartPagePrinter(handle Printer) (err error)

func StretchDIBits 

func StretchDIBits(dc HDC, dx, dy, dw, dh, sx, sy uint32, sw, sh int32, image []byte, bitmap *BITMAPINFO, color DIBColors, operation RasterOperationCode) (err error)

func TextOut 

func TextOut(dc HDC, x, y uint32, text string, len uint32) (err error)

func WritePrinter 

func WritePrinter(handle Printer, buf *byte, bufN uint32, written *uint32) (err error)

Types

type BITMAPINFO 

type BITMAPINFO struct {
	BmiHeader BITMAPINFOHEADER
	BmiColors RGBQUAD
}

type BITMAPINFOHEADER 

type BITMAPINFOHEADER struct {
	// contains filtered or unexported fields
}

type BiCompression 

type BiCompression uint32
const (
	BI_RGB       BiCompression = 0
	BI_RLE8      BiCompression = 1
	BI_RLE4      BiCompression = 2
	BI_BITFIELDS BiCompression = 3
	BI_JPEG      BiCompression = 4
	BI_PNG       BiCompression = 5
)

type COLORREF 

type COLORREF uint32

COLORREF represents a Windows color value in BGR format

func RGB 

func RGB(r, g, b byte) COLORREF

RGB creates a COLORREF value from red, green, and blue components

func SetTextColor 

func SetTextColor(hdc HDC, color COLORREF) (COLORREF, error)

SetTextColor sets the text color for the specified device context Parameters:

  • hdc: Handle to the device context
  • color: Color value created using RGB()

Returns:

  • Previous text color value
  • error: nil if successful, error object otherwise

type DIBColors 

type DIBColors uint32
const (
	DIB_RGB_COLORS  DIBColors = 0x00
	DIB_PAL_COLORS  DIBColors = 0x01
	DIB_PAL_INDICES DIBColors = 0x02
)

type DOCINFOA 

type DOCINFOA struct {
	Size     uintptr
	DocName  *uint16
	Output   *uint16
	DataType *uint16
	Type     uint32
}

type DOC_INFO_1 

type DOC_INFO_1 struct {
	DocName    *uint16
	OutputFile *uint16
	Datatype   *uint16
}

https://learn.microsoft.com/en-us/windows/win32/printdocs/doc-info-1

type EnumFlag 

type EnumFlag uint32
const (
	PRINTER_ENUM_DEFAULT     EnumFlag = 0x00000001
	PRINTER_ENUM_LOCAL       EnumFlag = 0x00000002
	PRINTER_ENUM_CONNECTIONS EnumFlag = 0x00000004
	PRINTER_ENUM_FAVORITE    EnumFlag = 0x00000004
	PRINTER_ENUM_NAME        EnumFlag = 0x00000008
	PRINTER_ENUM_REMOTE      EnumFlag = 0x00000010
	PRINTER_ENUM_SHARED      EnumFlag = 0x00000020
	PRINTER_ENUM_NETWORK     EnumFlag = 0x00000040
)

type HDC 

type HDC syscall.Handle

func CreateDC 

func CreateDC(printerName string) (dc HDC, err error)

CreateDC

type LOGFONT 

type LOGFONT struct {
	Height         int32
	Width          int32
	Escapement     int32
	Orientation    int32
	Weight         int32
	Italic         byte
	Underline      byte
	StrikeOut      byte
	CharSet        byte
	OutPrecision   byte
	ClipPrecision  byte
	Quality        byte
	PitchAndFamily byte
	FaceName       [32]uint16
}

LOGFONT contains information about a logical font 

type PRINT_INFO_4 struct {
	PrinterName *uint16
	ServerName  *uint16
	Attributes  uint32
}

type Printer 

type Printer syscall.Handle

func OpenPrinter 

func OpenPrinter(name string) (Printer, error)

type PrinterInfo 

type PrinterInfo struct {
	PrinterName string
	ServerName  string
	Attributes  uint32
}

type PropType 

type PropType uint32
const (
	DRIVERVERSION         PropType = 0  /* Device driver version                    */
	TECHNOLOGYPropType    PropType = 2  /* Device classification                    */
	HORZSIZE              PropType = 4  /* Horizontal size in millimeters           */
	VERTSIZE              PropType = 6  /* Vertical size in millimeters             */
	HORZRES               PropType = 8  /* Horizontal width in pixels               */
	VERTRES               PropType = 10 /* Vertical height in pixels                */
	BITSPIXEL             PropType = 12 /* Number of bits per pixel                 */
	PLANES                PropType = 14 /* Number of planes                         */
	NUMBRUSHES            PropType = 16 /* Number of brushes the device has         */
	NUMPENS               PropType = 18 /* Number of pens the device has            */
	NUMMARKERS            PropType = 20 /* Number of markers the device has         */
	NUMFONTS              PropType = 22 /* Number of fonts the device has           */
	NUMCOLORS             PropType = 24 /* Number of colors the device supports     */
	PDEVICESIZE           PropType = 26 /* Size required for device descriptor      */
	CURVECAPS             PropType = 28 /* Curve capabilities                       */
	LINECAPSPropType      PropType = 30 /* Line capabilities                        */
	POLYGONALCAPSPropType PropType = 32 /* Polygonal capabilities                   */
	TEXTCAPSPropType      PropType = 34 /* Text capabilities                        */
	CLIPCAPSPropType      PropType = 36 /* Clipping capabilities                    */
	RASTERCAPS            PropType = 38 /* Bitblt capabilities                      */
	ASPECTX               PropType = 40 /* Length of the X leg                      */
	ASPECTY               PropType = 42 /* Length of the Y leg                      */
	ASPECTXYPropType      PropType = 44 /* Length of the hypotenuse                 */

	LOGPIXELSX PropType = 88 /* Logical pixels/inch in X                 */
	LOGPIXELSY PropType = 90 /* Logical pixels/inch in Y                 */

	SIZEPALETTE PropType = 104 /* Number of entries in physical palette    */
	NUMRESERVED PropType = 106 /* Number of reserved entries in palette    */
	COLORRES    PropType = 108 /* Actual color resolution                  */

	PHYSICALWIDTH   PropType = 110 /* Physical Width in device units           */
	PHYSICALHEIGHT  PropType = 111 /* Physical Height in device units          */
	PHYSICALOFFSETX PropType = 112 /* Physical Printable Area x margin         */
	PHYSICALOFFSETY PropType = 113 /* Physical Printable Area y margin         */
	SCALINGFACTORX  PropType = 114 /* Scaling factor x                         */
	SCALINGFACTORY  PropType = 115 /* Scaling factor y                         */

	VREFRESH PropType = 116 /* Current vertical refresh rate of the    */
	/* display device (for displays only) in Hz*/
	DESKTOPVERTRES PropType = 117 /* Horizontal width of entire desktop in   */
	/* pixels                                  */
	DESKTOPHORZRES PropType = 118 /* Vertical height of entire desktop in    */
	/* pixels                                  */
	BLTALIGNMENT PropType = 119 /* Preferred blt alignment                 */

	SHADEBLENDCAPS PropType = 120 /* Shading and blending caps               */
	COLORMGMTCAPS  PropType = 121 /* Color Management caps                   */
)

type RGBQUAD 

type RGBQUAD struct {
	RgbBlue     uint8
	RgbGreen    uint8
	RgbRed      uint8
	RgbReserved uint8
}

type RasterOperationCode 

type RasterOperationCode uint32
const (
	SRCCOPY     RasterOperationCode = 0x00CC0020 /* dest = source                   */
	SRCPAINT    RasterOperationCode = 0x00EE0086 /* dest = source OR dest           */
	SRCAND      RasterOperationCode = 0x008800C6 /* dest = source AND dest          */
	SRCINVERT   RasterOperationCode = 0x00660046 /* dest = source XOR dest          */
	SRCERASE    RasterOperationCode = 0x00440328 /* dest = source AND (NOT dest )   */
	NOTSRCCOPY  RasterOperationCode = 0x00330008 /* dest = (NOT source)             */
	NOTSRCERASE RasterOperationCode = 0x001100A6 /* dest = (NOT src) AND (NOT dest) */
	MERGECOPY   RasterOperationCode = 0x00C000CA /* dest = (source AND pattern)     */
	MERGEPAINT  RasterOperationCode = 0x00BB0226 /* dest = (NOT source) OR dest     */
	PATCOPY     RasterOperationCode = 0x00F00021 /* dest = pattern                  */
	PATPAINT    RasterOperationCode = 0x00FB0A09 /* dest = DPSnoo                   */
	PATINVERT   RasterOperationCode = 0x005A0049 /* dest = pattern XOR dest         */
	DSTINVERT   RasterOperationCode = 0x00550009 /* dest = (NOT dest)               */
	BLACKNESS   RasterOperationCode = 0x00000042 /* dest = BLACK                    */
	WHITENESS   RasterOperationCode = 0x00FF0062 /* dest = WHITE                    */
)

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