This file includes graphics device interfaces (GDI) of MiniGUI. More...

#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include "endianrw.h"

Data Structures
struct	_BLOCKHEAP

struct	_CLIPRECT

struct	_CLIPRGN

struct	_STIPPLE

struct	_ARC

struct	_LOGFONT

struct	_DEVFONT

struct	_FONTMETRICS

struct	_GLYPHBITMAP

struct	_WORDINFO

struct	_DTFIRSTLINE

struct	_MYBITMAP

struct	_BITMAP

Macros
#define	PIXEL_invalid 0
	Invalid pixel. More...

#define	PIXEL_transparent SysPixelIndex[0]
	Transparent. More...

#define	PIXEL_darkblue SysPixelIndex[1]
	Dark blue. More...

#define	PIXEL_darkgreen SysPixelIndex[2]
	Dark green. More...

#define	PIXEL_darkcyan SysPixelIndex[3]
	Dark cyan. More...

#define	PIXEL_darkred SysPixelIndex[4]
	Dark red. More...

#define	PIXEL_darkmagenta SysPixelIndex[5]
	Dark magenta. More...

#define	PIXEL_darkyellow SysPixelIndex[6]
	Dark yellow. More...

#define	PIXEL_darkgray SysPixelIndex[7]
	Dark gray. More...

#define	PIXEL_lightgray SysPixelIndex[8]
	Light gray. More...

#define	PIXEL_blue SysPixelIndex[9]
	Blue. More...

#define	PIXEL_green SysPixelIndex[10]
	Green. More...

#define	PIXEL_cyan SysPixelIndex[11]
	Cyan. More...

#define	PIXEL_red SysPixelIndex[12]
	Red. More...

#define	PIXEL_magenta SysPixelIndex[13]
	Magenta. More...

#define	PIXEL_yellow SysPixelIndex[14]
	Yellow. More...

#define	PIXEL_lightwhite SysPixelIndex[15]
	Light white. More...

#define	PIXEL_black SysPixelIndex[16]
	Black. More...

#define	COLOR_invalid PIXEL_invalid

#define	COLOR_transparent PIXEL_transparent

#define	COLOR_darkred PIXEL_darkred

#define	COLOR_darkgreen PIXEL_darkgreen

#define	COLOR_darkyellow PIXEL_darkyellow

#define	COLOR_darkblue PIXEL_darkblue

#define	COLOR_darkmagenta PIXEL_darkmagenta

#define	COLOR_darkcyan PIXEL_darkcyan

#define	COLOR_lightgray PIXEL_lightgray

#define	COLOR_darkgray PIXEL_darkgray

#define	COLOR_red PIXEL_red

#define	COLOR_green PIXEL_green

#define	COLOR_yellow PIXEL_yellow

#define	COLOR_blue PIXEL_blue

#define	COLOR_magenta PIXEL_magenta

#define	COLOR_cyan PIXEL_cyan

#define	COLOR_lightwhite PIXEL_lightwhite

#define	COLOR_black PIXEL_black

#define	SysColorIndex SysPixelIndex

#define	InitFreeClipRectList(heap, size) InitBlockDataHeap (heap, sizeof (CLIPRECT), size)
	Initializes the private block data heap used to allocate clipping rectangles. More...

#define	ClipRectAlloc(heap) BlockDataAlloc (heap)
	Allocates a clipping rectangles from the private block data heap. More...

#define	FreeClipRect(heap, cr) BlockDataFree (heap, cr);
	Frees a clipping rectangle which is allocated from the private block data heap. More...

#define	DestroyFreeClipRectList(heap) DestroyBlockDataHeap (heap);
	Destroys the private block data heap used to allocate clipping rectangles. More...

#define	UnionRectWithRegion AddClipRect
	Is an alias of AddClipRect. More...

#define	CopyRegion ClipRgnCopy
	Is an alias of ClipRgnCopy. More...

#define	IntersectRegion ClipRgnIntersect
	Is an alias of ClipRgnIntersect. More...

#define	HDC_SCREEN ((HDC)0)
	Handle to the device context of the whole screen. More...

#define	HDC_INVALID ((HDC)-1)
	Indicates an invalid handle to device context. More...

#define	CreateCompatibleDC(hdc) CreateCompatibleDCEx(hdc, 0, 0)
	Creates a memory DC which is compatible with a given DC. More...

#define	DeleteCompatibleDC(hdc) DeleteMemDC(hdc)
	Deletes a memory DC. More...

#define	GetBkColor(hdc) GetDCAttr (hdc, DC_ATTR_BK_COLOR)
	Gets the background color of a DC. More...

#define	GetBkMode(hdc) GetDCAttr (hdc, DC_ATTR_BK_MODE)
	Gets the background mode of a DC. More...

#define	GetPenColor(hdc) GetDCAttr (hdc, DC_ATTR_PEN_COLOR)
	Gets the pen color of a DC. More...

#define	GetBrushColor(hdc) GetDCAttr (hdc, DC_ATTR_BRUSH_COLOR)
	Gets the brush color of a DC. More...

#define	GetTextColor(hdc) GetDCAttr (hdc, DC_ATTR_TEXT_COLOR)
	Gets the text color of a DC. More...

#define	GetTabStop(hdc) GetDCAttr (hdc, DC_ATTR_TAB_STOP)
	Gets the tabstop value of a DC. More...

#define	SetBkColor(hdc, color) SetDCAttr (hdc, DC_ATTR_BK_COLOR, (DWORD) color)
	Sets the background color of a DC to a new value. More...

#define	SetBkMode(hdc, mode) SetDCAttr (hdc, DC_ATTR_BK_MODE, (DWORD) mode)
	Sets the background color of a DC to a new mode. More...

#define	SetPenColor(hdc, color) SetDCAttr (hdc, DC_ATTR_PEN_COLOR, (DWORD) color)
	Sets the pen color of a DC to a new value. More...

#define	SetBrushColor(hdc, color) SetDCAttr (hdc, DC_ATTR_BRUSH_COLOR, (DWORD) color)
	Sets the brush color of a DC to a new value. More...

#define	SetTextColor(hdc, color) SetDCAttr (hdc, DC_ATTR_TEXT_COLOR, (DWORD) color)
	Sets the text color of a DC to a new value. More...

#define	SetTabStop(hdc, value) SetDCAttr (hdc, DC_ATTR_TAB_STOP, (DWORD) value)
	Sets the tabstop of a DC to a new value. More...

#define	DrawHDotLine(hdc, x, y, w) DrawHVDotLine (hdc, x, y, w, TRUE);
	Draws a horizontal dot dash line. More...

#define	DrawVDotLine(hdc, x, y, h) DrawHVDotLine (hdc, x, y, h, FALSE);
	Draws a vertical dot line. More...

#define	PolygonGenerator(context, pts, vertices, cb) PolygonGeneratorEx(context, pts, vertices, cb, NULL)
	This is a general polygon generator. More...

#define	GetPenType(hdc) GetDCAttr (hdc, DC_ATTR_PEN_TYPE)
	Gets the pen type of a DC. More...

#define	SetPenType(hdc, type) SetDCAttr (hdc, DC_ATTR_PEN_TYPE, (DWORD) type)
	Sets the pen type of a DC to a new type. More...

#define	GetPenCapStyle(hdc) GetDCAttr (hdc, DC_ATTR_PEN_CAP_STYLE)
	Gets the pen cap style of a DC. More...

#define	SetPenCapStyle(hdc, style) SetDCAttr (hdc, DC_ATTR_PEN_CAP_STYLE, (DWORD) style)
	Sets the pen type of a DC to a new type. More...

#define	GetPenJoinStyle(hdc) GetDCAttr (hdc, DC_ATTR_PEN_JOIN_STYLE)
	Gets the pen join style of a DC. More...

#define	SetPenJoinStyle(hdc, style) SetDCAttr (hdc, DC_ATTR_PEN_JOIN_STYLE, (DWORD) style)
	Sets the pen type of a DC to a new type. More...

#define	GetPenWidth(hdc) GetDCAttr (hdc, DC_ATTR_PEN_WIDTH)
	Gets the pen width of a DC. More...

#define	SetPenWidth(hdc, width) SetDCAttr (hdc, DC_ATTR_PEN_WIDTH, (DWORD) width)
	Sets the pen width of a DC to a new width. More...

#define	GetBrushType(hdc) GetDCAttr (hdc, DC_ATTR_BRUSH_TYPE)
	Gets the brush type of a DC. More...

#define	SetBrushType(hdc, type) SetDCAttr (hdc, DC_ATTR_BRUSH_TYPE, (DWORD) type)
	Sets the brush type of a DC to a new type. More...

#define	GetMapMode(hdc) GetDCAttr (hdc, DC_ATTR_MAP_MODE)
	Retrieves the current mapping mode of a DC. More...

#define	SetMapMode(hdc, mapmode) SetDCAttr (hdc, DC_ATTR_MAP_MODE, (DWORD)mapmode)
	Sets the mapping mode of a display context. More...

#define	GetViewportOrg(hdc, pPt) GetDCLCS(hdc, DC_LCS_VORG, pPt)
	Retrieves the x-coordinates and y-coordinates of the viewport origin for a device context. More...

#define	GetViewportExt(hdc, pPt) GetDCLCS(hdc, DC_LCS_VEXT, pPt)
	Retrieves the x-extents and y-extents of the current viewport for a device context. More...

#define	GetWindowOrg(hdc, pPt) GetDCLCS(hdc, DC_LCS_WORG, pPt)
	Retrieves the x-coordinates and y-coordinates of the window for a device context. More...

#define	GetWindowExt(hdc, pPt) GetDCLCS(hdc, DC_LCS_WEXT, pPt)
	Retrieves the x-extents and y-extents of the current window for a device context. More...

#define	SetViewportOrg(hdc, pPt) SetDCLCS(hdc, DC_LCS_VORG, pPt)
	Sets the x-coordinates and y-coordinates of the viewport origin for a device context. More...

#define	SetViewportExt(hdc, pPt) SetDCLCS(hdc, DC_LCS_VEXT, pPt)
	Sets the x-extents and y-extents of the current viewport for a device context. More...

#define	SetWindowOrg(hdc, pPt) SetDCLCS(hdc, DC_LCS_WORG, pPt)
	Sets the x-coordinates and y-coordinates of the window for a device context. More...

#define	SetWindowExt(hdc, pPt) SetDCLCS(hdc, DC_LCS_WEXT, pPt)
	Sets the x-extents and y-extents of the current window for a device context. More...

#define	CreateIcon(hdc, w, h, AndBits, XorBits, colornum) CreateIconEx(hdc, w, h, AndBits, XorBits, colornum, NULL)

#define	RECTWP(prc) ((prc)->right - (prc)->left)
	Gets the width of a RECT object by using the pointer to it. More...

#define	RECTHP(prc) ((prc)->bottom - (prc)->top)
	Gets the height of a RECT object by using the pointer to it. More...

#define	RECTW(rc) ((rc).right - (rc).left)
	Gets the width of a RECT object. More...

#define	RECTH(rc) ((rc).bottom - (rc).top)
	Gets the height of a RECT object. More...

#define	FONT_CHARSET_GB1988_0 "GB1988-0"
	EUC encoding of GB1988 charset, treat as ISO8859-1. More...

#define	FONT_CHARSET_GB2312_0 "GB2312-0"
	EUC encoding of GB2312 charset. More...

#define	FONT_CHARSET_GB18030_0 "GB18030-0"
	EUC encoding of GB18030 charset. More...

#define	FONT_CHARSET_EUCTW "EUC-TW"
	EUC encoding of CNS11643 charset, not supported. More...

#define	FONT_CHARSET_KSC5636_0 "KSC5636-0"
	EUC encoding of KSC5636 charset, treat as ISO8859-1. More...

#define	FONT_CHARSET_KSC5601_0 "KSC5601-0"
	EUC encoding of KSC5601 charset. More...

#define	FONT_CHARSET_JISX0201_0 "JISX0201-0"
	EUC encoding of JISX0201 charset. More...

#define	FONT_CHARSET_JISX0208_0 "JISX0208-0"
	EUC encoding of JISX0208 charset. More...

#define	FONT_CHARSET_JISX0201_1 "JISX0201-1"
	Shift-JIS encoding of JISX0201 charset. More...

#define	FONT_CHARSET_JISX0208_1 "JISX0208-1"
	Shift-JIS encoding of JISX0208 charset. More...

#define	FONT_CHARSET_ISO_10646_1 "ISO-10646-1"
	UCS-2 encoding of UNICODE. More...

#define	FONT_CHARSET_UTF8 "UTF-8"
	UTF-8 encoding of UNICODE. More...

#define	FONT_CHARSET_UTF16LE "UTF-16LE"
	UTF-16 encoding (Little-Endian) of UNICODE. More...

#define	FONT_CHARSET_UTF16BE "UTF-16BE"
	UTF-16 encoding (Big-Endian) of UNICODE. More...

#define	INV_LOGFONT 0
	Invalid logfont. More...

#define	SYSLOGFONT_DEFAULT 0

#define	SYSLOGFONT_WCHAR_DEF 1

#define	SYSLOGFONT_FIXED 2

#define	SYSLOGFONT_CAPTION 3

#define	SYSLOGFONT_MENU 4

#define	SYSLOGFONT_CONTROL 5

#define	MB2WC(log_font, dest, mstr, n) MB2WCEx (log_font, dest, sizeof(wchar_t) == 4, mstr, n)
	The backward compatibility version of MB2WCEx. More...

#define	WC2MB(log_font, s, wc) WC2MBEx (log_font, s, (UChar32)wc)
	The backward compatibility version of WC2MBEx. More...

#define	MBS2WCS(log_font, dest, mstr, mstr_len, n)
	The backward compatibility version of MBS2WCSEx. More...

#define	WCS2MBS(log_font, dest, wcs, wcs_len, n)
	The backward compatibility version of WCS2MBSEx. More...

#define	GetTextCharacterExtra(hdc) GetDCAttr (hdc, DC_ATTR_CHAR_EXTRA)
	Retrieves the current intercharacter spacing for the DC. More...

#define	GetTextAboveLineExtra(hdc) GetDCAttr (hdc, DC_ATTR_ALINE_EXTRA)
	Retrieves the current spacing above line for the DC. More...

#define	GetTextBellowLineExtra(hdc) GetDCAttr (hdc, DC_ATTR_BLINE_EXTRA)
	Retrieves the current spacing bellow line for the DC. More...

#define	SetTextCharacterExtra(hdc, extra) SetDCAttr (hdc, DC_ATTR_CHAR_EXTRA, (DWORD) extra)
	Sets the intercharacter spacing for the DC and returns the old spacing value. More...

#define	SetTextAboveLineExtra(hdc, extra) SetDCAttr (hdc, DC_ATTR_ALINE_EXTRA, (DWORD) extra)
	Sets the spacing above line for the DC and returns the old value. More...

#define	SetTextBellowLineExtra(hdc, extra) SetDCAttr (hdc, DC_ATTR_BLINE_EXTRA, (DWORD) extra)
	Sets the spacing bellow line for the DC and returns the old value. More...

#define	GetTextAlign(hdc) GetDCAttr (hdc, DC_ATTR_TEXT_ALIGN)
	Retrieves the current text-alignment flags of a DC. More...

#define	SetTextAlign(hdc, ta_flags) SetDCAttr (hdc, DC_ATTR_TEXT_ALIGN, (DWORD)ta_flags)
	Sets text-alignment flags of a DC. More...

#define	TextOut(hdc, x, y, text) TextOutLen (hdc, x, y, text, -1)
	Outputs text. More...

#define	TabbedTextOut(hdc, x, y, text) TabbedTextOutLen (hdc, x, y, text, -1)
	Outputs formatted text. More...

#define	DrawText(hdc, text, n, rc, format) DrawTextEx2 (hdc, text, n, rc, 0, format, NULL)
	Draws a formatted text in a rectangle. More...

#define	DrawTextEx(hdc, text, n, rc, indent, format) DrawTextEx2 (hdc, text, n, rc, indent, format, NULL)
	Draws a formatted text in a rectangle. More...

#define	MLS_BLENDMODE_NONE 0x00

#define	LoadBitmap LoadBitmapFromFile
	An alias of LoadBitmapFromFile. More...

#define	LoadMyBitmap LoadMyBitmapFromFile
	Alias of LoadMyBitmapFromFile. More...

#define	IS_MBC_GLYPH(glyph) ((glyph) & 0x80000000)
	to judge wether the glyph is multibyte glyph More...

#define	SET_MBC_GLYPH(glyph) ((glyph) \| 0x80000000)
	set the glyph with multibyte mask More...

#define	REAL_GLYPH(glyph) ((glyph) & 0x7FFFFFFF)
	get real glyph value from a glyph More...

#define	SELECT_DEVFONT(plogfont, glyph)
	select a device font acording to the glyph value. More...

Typedefs
typedef struct _BLOCKHEAP	BLOCKHEAP

typedef BLOCKHEAP *	PBLOCKHEAP
	Data type of the pointer to a BLOCKHEAP. More...

typedef struct _BITMAP	BITMAP

typedef BITMAP *	PBITMAP
	Data type of pointer to a BITMAP. More...

typedef struct _MYBITMAP	MYBITMAP

typedef struct _MYBITMAP *	PMYBITMAP
	Data type of pointer to a struct _MYBITMAP. More...

typedef struct _CLIPRECT	CLIPRECT

typedef struct _CLIPRGN	CLIPRGN

typedef CLIPRGN *	PCLIPRGN
	Data type of the pointer to a CLIPRGN. More...

typedef void(*	CB_DIRECT_DRAW_RECT) (HDC hdc, Uint8 pixels, int pitch, int bytesPerPixel, const RECT rc, void *context)
	Type of directly access pixels hook function. More...

typedef int(*	ON_UPDATE_SECONDARYDC) (HWND hwnd, HDC secondary_dc, HDC real_dc, const RECT secondary_rc, const RECT real_rc, const RECT *main_update_rc)
	The callback type of on updating secondary DC. More...

typedef void(*	CB_LINE) (void *context, int stepx, int stepy)
	The type of line generator callback. More...

typedef void(*	CB_CIRCLE) (void *context, int x1, int x2, int y)
	The type of circle generator callback. More...

typedef void(*	CB_ELLIPSE) (void *context, int x1, int x2, int y)
	The type of ellipse generator callback. More...

typedef void(*	CB_ARC) (void *context, int x, int y)
	The type of arc generator callback. More...

typedef void(*	CB_POLYGON) (void *context, int x1, int x2, int y)
	The type of polygon generator callback. More...

typedef BOOL(*	CB_EQUAL_PIXEL) (void *context, int x, int y)
	Flodd filling generator's equation callback. More...

typedef void(*	CB_FLOOD_FILL) (void *context, int x1, int x2, int y)
	Flodd filling generator's scan line callback. More...

typedef struct _STIPPLE	STIPPLE

typedef struct _ARC	ARC

typedef struct _LOGFONT	LOGFONT

typedef LOGFONT *	PLOGFONT
	Data type of pointer to a LOGFONT. More...

typedef const LOGFONT *	CPLOGFONT
	Data type of pointer to a const LOGFONT. More...

typedef struct _WORDINFO	WORDINFO
	Date type of _WORDINFO. More...

typedef struct _FONTMETRICS	FONTMETRICS

typedef struct _GLYPHBITMAP	GLYPHBITMAP

typedef struct _DTFIRSTLINE	DTFIRSTLINE

typedef void(*	CB_ONE_SCANLINE) (void context, MYBITMAP my_bmp, int y)
	The type of scanline loaded callback. More...

typedef struct _GLYPHMAPINFO	GLYPHMAPINFO
	Data type of struct _GLYPHMAPINFO. More...

typedef struct _GLYPHINFO	GLYPHINFO
	Data type of struct _GLYPHINFO. More...

Enumerations

Functions
MG_EXPORT void	InitBlockDataHeap (PBLOCKHEAP heap, size_t bd_size, size_t heap_size)
	Initializes a private block data heap. More...

MG_EXPORT void *	BlockDataAlloc (PBLOCKHEAP heap)
	Allocates a data block from private heap. More...

MG_EXPORT void	BlockDataFree (PBLOCKHEAP heap, void *data)
	Frees an allocated data block. More...

MG_EXPORT void	DestroyBlockDataHeap (PBLOCKHEAP heap)
	Destroys a private block data heap. More...

MG_EXPORT void GUIAPI	InitClipRgn (PCLIPRGN pRgn, PBLOCKHEAP pFreeList)
	Initializes a clipping region. More...

MG_EXPORT void GUIAPI	EmptyClipRgn (PCLIPRGN pRgn)
	Empties a clipping region. More...

MG_EXPORT PCLIPRGN GUIAPI	CreateClipRgn (void)
	Creates a clipping region. More...

MG_EXPORT void GUIAPI	DestroyClipRgn (PCLIPRGN pRgn)
	Empties and destroys a clipping region. More...

MG_EXPORT BOOL GUIAPI	ClipRgnCopy (PCLIPRGN pDstRgn, const CLIPRGN *pSrcRgn)
	Copies one region to another. More...

MG_EXPORT BOOL GUIAPI	ClipRgnIntersect (PCLIPRGN pRstRgn, const CLIPRGN pRgn1, const CLIPRGN pRgn2)
	Intersects two region. More...

MG_EXPORT void GUIAPI	GetClipRgnBoundRect (PCLIPRGN pRgn, PRECT pRect)
	Gets the bounding rectangle of a region. More...

MG_EXPORT BOOL GUIAPI	SetClipRgn (PCLIPRGN pRgn, const RECT *pRect)
	Sets a region to contain only one rect. More...

MG_EXPORT BOOL GUIAPI	IsEmptyClipRgn (const CLIPRGN *pRgn)
	Determines whether a region is an empty region. More...

MG_EXPORT BOOL GUIAPI	AddClipRect (PCLIPRGN pRgn, const RECT *pRect)
	Unions one rectangle to a region. More...

MG_EXPORT BOOL GUIAPI	IntersectClipRect (PCLIPRGN pRgn, const RECT *pRect)
	Intersects a rectangle with a region. More...

MG_EXPORT BOOL GUIAPI	SubtractClipRect (PCLIPRGN pRgn, const RECT *pRect)
	Subtracts a rectangle from a region. More...

MG_EXPORT BOOL GUIAPI	PtInRegion (PCLIPRGN region, int x, int y)
	Determines whether a point is in a region. More...

MG_EXPORT BOOL GUIAPI	RectInRegion (PCLIPRGN region, const RECT *rect)
	Determines whether a rectangle is intersected with a region. More...

MG_EXPORT void GUIAPI	OffsetRegionEx (PCLIPRGN region, const RECT rcClient, const RECT rcScroll, int x, int y)
	Offsets the region in the specified window's scroll area. More...

MG_EXPORT void GUIAPI	OffsetRegion (PCLIPRGN region, int x, int y)
	Offsets the region. More...

MG_EXPORT BOOL GUIAPI	UnionRegion (PCLIPRGN dst, const CLIPRGN src1, const CLIPRGN src2)
	Unions two regions. More...

MG_EXPORT BOOL GUIAPI	SubtractRegion (CLIPRGN rgnD, const CLIPRGN rgnM, const CLIPRGN *rgnS)
	Substrcts a region from another. More...

MG_EXPORT BOOL GUIAPI	XorRegion (CLIPRGN dst, const CLIPRGN src1, const CLIPRGN *src2)
	Does the XOR operation between two regions. More...

MG_EXPORT BOOL GUIAPI	InitCircleRegion (PCLIPRGN dst, int x, int y, int r)
	Initializes a region to be an enclosed circle. More...

MG_EXPORT BOOL GUIAPI	InitEllipseRegion (PCLIPRGN dst, int x, int y, int rx, int ry)
	Initializes a region to be an enclosed ellipse. More...

MG_EXPORT BOOL GUIAPI	InitPolygonRegion (PCLIPRGN dst, const POINT *pts, int vertices)
	Initializes a region to be an enclosed polygon. More...

MG_EXPORT unsigned int GUIAPI	GetGDCapability (HDC hdc, int iItem)
	Returns a capability of a DC. More...

MG_EXPORT HDC GUIAPI	GetDC (HWND hwnd)
	Gets a window DC of a window. More...

MG_EXPORT HDC GUIAPI	GetClientDC (HWND hwnd)
	Gets a client DC of a window. More...

MG_EXPORT HDC GUIAPI	GetSubDC (HDC hdc, int off_x, int off_y, int width, int height)
	This function gets a sub DC which is compliant to the specified client DC. More...

MG_EXPORT void GUIAPI	ReleaseDC (HDC hdc)
	Releases a DC from DC pool. More...

MG_EXPORT HWND GUIAPI	WindowFromDC (HDC hdc)
	Get the window handle from DC. More...

MG_EXPORT int GUIAPI	SaveDC (HDC hdc)
	Saves the current state of a device context. More...

MG_EXPORT BOOL GUIAPI	RestoreDC (HDC hdc, int saved_dc)
	Restores a device context (DC) to the specified state. More...

MG_EXPORT HDC GUIAPI	CreateCompatibleDCEx (HDC hdc, int width, int height)
	Creates a memory DC which is compatible with the specified reference DC. More...

MG_EXPORT BOOL GUIAPI	IsCompatibleDC (HDC hdc1, HDC hdc2)
	Check whether a given DC is compliant to a specific DC. More...

MG_EXPORT HDC GUIAPI	CreateMemDCEx (int width, int height, int depth, DWORD flags, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask, void *bits, int pitch)
	Creates a memory DC. More...

static HDC GUIAPI	CreateMemDC (int width, int height, int depth, DWORD flags, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
	Creates a memory DC. More...

MG_EXPORT HDC GUIAPI	CreateSubMemDC (HDC parent, int off_x, int off_y, int width, int height, BOOL comp_to_parent)
	Creates a sub memory DC in the given memory DC. More...

MG_EXPORT HDC GUIAPI	CreateMemDCFromBitmap (HDC hdc, const BITMAP *bmp)
	Creates a memory DC from a reference DC and a BITMAP object. More...

MG_EXPORT HDC GUIAPI	CreateMemDCFromMyBitmap (const MYBITMAP my_bmp, const RGB pal)
	Creates a memory DC from a device independent MYBITMAP object. More...

MG_EXPORT BOOL GUIAPI	ConvertMemDC (HDC mem_dc, HDC ref_dc, DWORD flags)
	Converts a memory DC to have a same format as a reference DC. More...

MG_EXPORT BOOL GUIAPI	SetMemDCAlpha (HDC mem_dc, DWORD flags, Uint8 alpha)
	Sets the alpha value for the entire surface of a DC, as opposed to using the alpha component of each pixel. More...

MG_EXPORT BOOL GUIAPI	SetMemDCColorKey (HDC mem_dc, DWORD flags, Uint32 color_key)
	Sets the color key (transparent pixel) of a memory DC. More...

MG_EXPORT void GUIAPI	DeleteMemDC (HDC mem_dc)
	Deletes a memory DC. More...

MG_EXPORT Uint8 *GUIAPI	LockDC (HDC hdc, const RECT rw_rc, int width, int height, int pitch)
	Locks a dc to get direct access to pixels in the DC. More...

MG_EXPORT BOOL GUIAPI	LockDCEx (HDC hdc, const PCLIPRGN region, void *context, CB_DIRECT_DRAW_RECT cb)
	directly access the pixels in a DC. More...

MG_EXPORT void GUIAPI	UnlockDC (HDC hdc)
	Unlocks a locked DC. More...

MG_EXPORT HDC GUIAPI	CreatePrivateDC (HWND hwnd)
	Creates a private window DC of a window. More...

MG_EXPORT HDC GUIAPI	CreatePrivateClientDC (HWND hwnd)
	Creates a private client DC of a window. More...

HDC GUIAPI	CreatePrivateSubDC (HDC hdc, int off_x, int off_y, int width, int height)
	Creates a private SubDC of a window. More...

MG_EXPORT HDC GUIAPI	GetPrivateClientDC (HWND hwnd)
	Returns the private client DC of a window. More...

MG_EXPORT void GUIAPI	DeletePrivateDC (HDC hdc)
	Deletes the DC returned by CreatePrivateDC or CreatePrivateClientDC or CreatePrivateSubDC. More...

MG_EXPORT HDC GUIAPI	CreateSecondaryDC (HWND hwnd)
	Creates a secondary window DC of a window. More...

MG_EXPORT HDC GUIAPI	SetSecondaryDC (HWND hwnd, HDC secondary_dc, ON_UPDATE_SECONDARYDC on_update_secondarydc)
	Set a window's secondary DC and the callback procedure for the secondary DC update. More...

MG_EXPORT HDC GUIAPI	GetSecondaryDC (HWND hwnd)
	Retrives and returns the secondary DC of a specific window. More...

MG_EXPORT HDC GUIAPI	GetSecondaryClientDC (HWND hwnd)
	Retrives and returns the client secondary DC of a specific window. More...

MG_EXPORT void GUIAPI	ReleaseSecondaryDC (HWND hwnd, HDC hdc)
	Release the DC returned by GetSecondaryDC or GetSecondaryClientDC. More...

MG_EXPORT void GUIAPI	DeleteSecondaryDC (HWND hwnd)
	Deletes the secondary DC of the window. More...

MG_EXPORT Uint32 GUIAPI	GetDCAttr (HDC hdc, int attr)
	Gets a specified attribute value of a DC. More...

MG_EXPORT Uint32 GUIAPI	SetDCAttr (HDC hdc, int attr, Uint32 value)
	Sets a specified attribute value of a DC. More...

MG_EXPORT int GUIAPI	GetRasterOperation (HDC hdc)
	Gets the raster operation of a DC. More...

MG_EXPORT int GUIAPI	SetRasterOperation (HDC hdc, int rop)
	Sets the raster operation of a DC to a new value. More...

MG_EXPORT int GUIAPI	GetPalette (HDC hdc, int start, int len, GAL_Color *cmap)
	Gets palette entries of a DC. More...

MG_EXPORT BOOL GUIAPI	SetPalette (HDC hdc, int start, int len, GAL_Color *cmap)
	Sets palette entries of a DC. More...

MG_EXPORT BOOL GUIAPI	SetColorfulPalette (HDC hdc)
	Sets a DC with colorfule palette. More...

MG_EXPORT HPALETTE GUIAPI	CreatePalette (GAL_Palette *pal)
	Creates a logical palette. More...

MG_EXPORT BOOL GUIAPI	SelectPalette (HDC hdc, HPALETTE hpal, BOOL reserved)
	Selects a palette for a DC. More...

MG_EXPORT BOOL GUIAPI	RealizePalette (HDC hdc)
	This function maps palette entries from the current logical palette to the system palette. More...

MG_EXPORT BOOL GUIAPI	ResizePalette (HPALETTE hpal, int len)
	Resizes a logical palette. More...

MG_EXPORT void GUIAPI	DestroyPalette (HPALETTE hpal)
	Destroy a logical palette. More...

MG_EXPORT HPALETTE GUIAPI	GetDefaultPalette (void)
	Gets the system default logical palette. More...

MG_EXPORT int GUIAPI	GetPaletteEntries (HPALETTE hpal, int start, int len, GAL_Color *cmap)
	Gets palette entries of a logical palette. More...

MG_EXPORT int GUIAPI	SetPaletteEntries (HPALETTE hpal, int start, int len, GAL_Color *cmap)
	Sets palette entries of a logical palette. More...

MG_EXPORT UINT GUIAPI	GetNearestPaletteIndex (HPALETTE hpal, Uint8 red, Uint8 green, Uint8 blue)
	Gets the nearest palette index in the logical palette for a spefici color. More...

MG_EXPORT RGBCOLOR GUIAPI	GetNearestColor (HDC hdc, Uint8 red, Uint8 green, Uint8 blue)
	Gets the nearest color compliant to a DC for a spefici color. More...

MG_EXPORT void GUIAPI	SetPixel (HDC hdc, int x, int y, gal_pixel pixel)
	Sets the pixel with a new pixel value at the specified position on a DC. More...

MG_EXPORT gal_pixel GUIAPI	SetPixelRGB (HDC hdc, int x, int y, Uint8 r, Uint8 g, Uint8 b)
	Sets the pixel by a RGB triple at the specified position on a DC. More...

MG_EXPORT gal_pixel GUIAPI	SetPixelRGBA (HDC hdc, int x, int y, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
	Sets the pixel by a RGBA quarter at the specified position on a DC. More...

MG_EXPORT gal_pixel GUIAPI	GetPixel (HDC hdc, int x, int y)
	Gets the pixel value at the specified position on a DC. More...

MG_EXPORT gal_pixel GUIAPI	GetPixelRGB (HDC hdc, int x, int y, Uint8 r, Uint8 g, Uint8 *b)
	Gets the pixel value at the specified position on a DC in RGB triple. More...

MG_EXPORT gal_pixel GUIAPI	GetPixelRGBA (HDC hdc, int x, int y, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
	Gets the pixel value at the specified position on a DC in RGBA quarter. More...

MG_EXPORT void GUIAPI	RGBA2Pixels (HDC hdc, const RGB rgbs, gal_pixel pixels, int count)
	Gets the pixel values from a color array in RGBA quarter under a DC. More...

static gal_pixel	RGBA2Pixel (HDC hdc, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
	Gets the pixel value from a color in RGBA quarter under a DC. More...

MG_EXPORT void GUIAPI	RGB2Pixels (HDC hdc, const RGB rgbs, gal_pixel pixels, int count)
	Gets the pixel values from a color array in RGB triple under a DC. More...

static gal_pixel	RGB2Pixel (HDC hdc, Uint8 r, Uint8 g, Uint8 b)
	Gets the pixel value from a color in RGB triple under a DC. More...

MG_EXPORT void GUIAPI	Pixel2RGBs (HDC hdc, const gal_pixel pixels, RGB rgbs, int count)
	Gets the colors in RGB triple from a pixel value array under a DC. More...

static void	Pixel2RGB (HDC hdc, gal_pixel pixel, Uint8 r, Uint8 g, Uint8 *b)
	Gets the color in RGB triple from a pixel value under a DC. More...

MG_EXPORT void GUIAPI	Pixel2RGBAs (HDC hdc, const gal_pixel pixels, RGB rgbs, int count)
	Gets the colors in RGBA quarter from a array of pixel values under a DC. More...

static void	Pixel2RGBA (HDC hdc, gal_pixel pixel, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
	Gets the color in RGBA quarter from a pixel value under a DC. More...

static DWORD	Pixel2DWORD (HDC hdc, gal_pixel pixel)
	An inline function to convert pixel value to DWORD color. More...

static gal_pixel	DWORD2Pixel (HDC hdc, DWORD dword)
	An inline function to convert DWORD color to gal_pixel. More...

MG_EXPORT void GUIAPI	FocusRect (HDC hdc, int x0, int y0, int x1, int y1)
	Draws a focus rectangle. More...

MG_EXPORT void GUIAPI	DrawHVDotLine (HDC hdc, int x, int y, int w_h, BOOL H_V)
	Draws a horizontal or vertical dot dash line. More...

MG_EXPORT BOOL GUIAPI	LineClipper (const RECT cliprc, int _x0, int _y0, int _x1, int *_y1)
	The line clipper using Cohen-Sutherland algorithm. More...

MG_EXPORT void GUIAPI	LineGenerator (void *context, int x1, int y1, int x2, int y2, CB_LINE cb)
	A line generator based-on Breshenham algorithm. More...

MG_EXPORT void GUIAPI	CircleGenerator (void *context, int sx, int sy, int r, CB_CIRCLE cb)
	A circle generator. More...

MG_EXPORT void GUIAPI	EllipseGenerator (void *context, int sx, int sy, int rx, int ry, CB_ELLIPSE cb)
	An ellipse generator. More...

MG_EXPORT void GUIAPI	CircleArcGenerator (void *context, int sx, int sy, int r, int ang1, int ang2, CB_ARC cb)
	An arc generator. More...

MG_EXPORT BOOL GUIAPI	MonotoneVerticalPolygonGenerator (void context, const POINT pts, int vertices, CB_POLYGON cb)
	A monotone vertical polygon generator. More...

MG_EXPORT BOOL GUIAPI	PolygonIsMonotoneVertical (const POINT *pts, int vertices)
	Checks a polygon is monotone vertical or not. More...

MG_EXPORT BOOL GUIAPI	PolygonGeneratorEx (void context, const POINT pts, int vertices, CB_POLYGON cb, RECT *rc_output)
	A general polygon generator. More...

MG_EXPORT BOOL GUIAPI	FloodFillGenerator (void context, const RECT src_rc, int x, int y, CB_EQUAL_PIXEL cb_equal_pixel, CB_FLOOD_FILL cb_flood_fill)
	A flood filling generator. More...

MG_EXPORT int GUIAPI	SetBitmapScalerType (HDC hdc, int scaler_type)
	set bitmap scaler algorithm callback of DC according by scaler_type. More...

MG_EXPORT void GUIAPI	MoveTo (HDC hdc, int x, int y)
	Moves the current zero pen position. More...

MG_EXPORT void GUIAPI	LineTo (HDC hdc, int x, int y)
	Draws a zero line to a position. More...

MG_EXPORT void GUIAPI	Rectangle (HDC hdc, int x0, int y0, int x1, int y1)
	Draws a rectangle. More...

MG_EXPORT void GUIAPI	PolyLineTo (HDC hdc, const POINT *pts, int vertices)
	Draws a polyline. More...

MG_EXPORT void GUIAPI	SplineTo (HDC hdc, const POINT *pts)
	Draws a bezier spline. More...

MG_EXPORT void GUIAPI	Circle (HDC hdc, int sx, int sy, int r)
	Draws a circle. More...

MG_EXPORT void GUIAPI	Ellipse (HDC hdc, int sx, int sy, int rx, int ry)
	Draws a ellipse. More...

MG_EXPORT void GUIAPI	CircleArc (HDC hdc, int sx, int sy, int r, int ang1, int ang2)
	Draws an arc. More...

MG_EXPORT void GUIAPI	FillBox (HDC hdc, int x, int y, int w, int h)
	Fills a rectangle box. More...

MG_EXPORT void GUIAPI	FillCircle (HDC hdc, int sx, int sy, int r)
	Fills a circle. More...

MG_EXPORT void GUIAPI	FillEllipse (HDC hdc, int sx, int sy, int rx, int ry)
	Fills an ellipse. More...

MG_EXPORT BOOL GUIAPI	FillPolygon (HDC hdc, const POINT *pts, int vertices)
	Fills an polygon. More...

MG_EXPORT BOOL GUIAPI	FloodFill (HDC hdc, int x, int y)
	Fills an enclosed area starting at point (x,y). More...

MG_EXPORT void GUIAPI	SetPenDashes (HDC hdc, int dash_offset, const unsigned char *dash_list, int n)
	Sets the way dashed-lines are drawn. More...

MG_EXPORT void GUIAPI	SetBrushInfo (HDC hdc, const BITMAP tile, const STIPPLE stipple)
	Set the tile or stipple with the DC. More...

MG_EXPORT void GUIAPI	SetBrushOrigin (HDC hdc, int x, int y)
	Set the origin when using tiles or stipples with the DC. More...

MG_EXPORT void GUIAPI	LineEx (HDC hdc, int x1, int y1, int x2, int y2)
	Draws a line with the current pen in the DC hdc. More...

MG_EXPORT void GUIAPI	ArcEx (HDC hdc, int x, int y, int width, int height, int ang1, int ang2)
	Draws an arc with the current pen in a DC. More...

MG_EXPORT void GUIAPI	FillArcEx (HDC hdc, int x, int y, int width, int height, int ang1, int ang2)
	Fills an arc with the current brush in a DC. More...

MG_EXPORT void GUIAPI	PolyLineEx (HDC hdc, const POINT *pts, int nr_pts)
	Draws a polyline with the current pen in a DC. More...

MG_EXPORT void GUIAPI	PolyArcEx (HDC hdc, const ARC *arcs, int nr_arcs)
	Draws a polyarc with the current pen in a DC. More...

MG_EXPORT void GUIAPI	PolyFillArcEx (HDC hdc, const ARC *arcs, int nr_arcs)
	Fill a polyarc with the current brush in a DC. More...

MG_EXPORT BOOL GUIAPI	RoundRect (HDC hdc, int x0, int y0, int x1, int y1, int cw, int ch)
	Draw and fill a rectangle with rounded corners in a DC. More...

MG_EXPORT void GUIAPI	GetDCLCS (HDC hdc, int which, POINT *pt)
	Retrieves mapping parameters of a device context. More...

MG_EXPORT void GUIAPI	SetDCLCS (HDC hdc, int which, const POINT *pt)
	Sets mapping parameters of a device context. More...

MG_EXPORT void GUIAPI	DPtoLP (HDC hdc, POINT *pPt)
	Converts device coordinates into logical coordinates. More...

MG_EXPORT void GUIAPI	LPtoDP (HDC hdc, POINT *pPt)
	Converts logical coordinates into device coordinates. More...

MG_EXPORT void GUIAPI	SPtoLP (HDC hdc, POINT *pPt)
	Converts screen coordinates into logical coordinates. More...

MG_EXPORT void GUIAPI	LPtoSP (HDC hdc, POINT *pPt)
	Converts logical coordinates into screen coordinates. More...

MG_EXPORT void GUIAPI	ExcludeClipRect (HDC hdc, const RECT *prc)
	Excludes the specified rectangle from the current visible region of a DC. More...

MG_EXPORT void GUIAPI	IncludeClipRect (HDC hdc, const RECT *prc)
	Includes the specified rectangle to the current visible region of a DC. More...

MG_EXPORT BOOL GUIAPI	PtVisible (HDC hdc, int x, int y)
	Checks whether a point is visible. More...

MG_EXPORT void GUIAPI	ClipRectIntersect (HDC hdc, const RECT *prc)
	Intersects the specified rectangle with the visible region of the DC. More...

MG_EXPORT void GUIAPI	SelectClipRect (HDC hdc, const RECT *prc)
	Sets the visible region of a DC to be a rectangle. More...

MG_EXPORT int GUIAPI	SelectClipRegionEx (HDC hdc, const CLIPRGN *pRgn, int fnMode)
	Combines the specified region with the current clipping region using the specified mode. More...

MG_EXPORT void GUIAPI	SelectClipRegion (HDC hdc, const CLIPRGN *pRgn)
	Sets the visible region of a DC to be a region. More...

MG_EXPORT int GUIAPI	OffsetClipRegion (HDC hdc, int nXOffset, int nYOffset)
	Moves the clipping region of a device context by the specified offsets. More...

MG_EXPORT void GUIAPI	GetBoundsRect (HDC hdc, RECT *pRect)
	Retrieves the bounding rectangle of the current visible region of a DC. More...

MG_EXPORT BOOL GUIAPI	RectVisible (HDC hdc, const RECT *pRect)
	Checks whether the specified rectangle is visible. More...

MG_EXPORT int GUIAPI	GetClipBox (HDC hdc, RECT *clipbox)
	Retrieves the bounding rectangle of the current clipping region of a DC. More...

MG_EXPORT int GUIAPI	GetClipRegion (HDC hdc, CLIPRGN *cliprgn)
	Gets the current clipping region of a DC. More...

MG_EXPORT BOOL GUIAPI	GetBitmapFromDC (HDC hdc, int x, int y, int w, int h, BITMAP *bmp)
	Gets image box on a DC and saves it into a BITMAP object. More...

MG_EXPORT BOOL GUIAPI	FillBoxWithBitmap (HDC hdc, int x, int y, int w, int h, const BITMAP *bmp)
	Fills a box with a BITMAP object. More...

MG_EXPORT BOOL GUIAPI	FillBoxWithBitmapPart (HDC hdc, int x, int y, int w, int h, int bw, int bh, const BITMAP *bmp, int xo, int yo)
	Fills a box with a part of a bitmap oject. More...

MG_EXPORT BOOL GUIAPI	FillBitmapPartInBox (HDC hdc, int box_x, int box_y, int box_w, int box_h, const BITMAP *pbmp, int bmp_x, int bmp_y, int bmp_w, int bmp_h)
	Fills a part of bitmap into a box, and the parts bitmap will be scaled if needed. More...

MG_EXPORT void GUIAPI	BitBlt (HDC hsdc, int sx, int sy, int sw, int sh, HDC hddc, int dx, int dy, DWORD dwRop)
	Performs a bit-block transfer from a device context into another device context. More...

MG_EXPORT void GUIAPI	StretchBlt (HDC hsdc, int sx, int sy, int sw, int sh, HDC hddc, int dx, int dy, int dw, int dh, DWORD dwRop)
	Copies a bitmap from a source rectangle into a destination rectangle, streches the bitmap if necessary. More...

MG_EXPORT BOOL GUIAPI	ScaleBitmapEx (BITMAP dst, const BITMAP src, HDC ref_dc)
	Scales a BITMAP object into another BITMAP object by specify algorithm. More...

MG_EXPORT gal_pixel GUIAPI	GetPixelInBitmapEx (const BITMAP bmp, int x, int y, Uint8 alpha)
	Returns the pixel value in a BITMAP object. More...

static gal_pixel GUIAPI	GetPixelInBitmap (const BITMAP *bmp, int x, int y)
	Returns the pixel value in a BITMAP object. More...

static BOOL GUIAPI	SetPixelInBitmap (const BITMAP *bmp, int x, int y, gal_pixel pixel)
	Sets pixel value in a BITMAP object. More...

MG_EXPORT BOOL GUIAPI	SaveScreenRectContent (const RECT rcWin, const char filename)
	Saves content of a rectangle in the screen to a file. More...

MG_EXPORT BOOL GUIAPI	SaveMainWindowContent (HWND hWnd, const char *filename)
	Saves content of a main window to a file. More...

MG_EXPORT HICON GUIAPI	LoadIconFromFile (HDC hdc, const char *filename, int which)
	Loads an icon from a Windows ICO file. More...

MG_EXPORT HICON GUIAPI	LoadIconFromMem (HDC hdc, const void *area, int which)
	Loads an icon from a memory area. More...

MG_EXPORT HICON GUIAPI	CreateIconEx (HDC hdc, int w, int h, const BYTE AndBits, const BYTE XorBits, int colornum, const RGB *pal)
	Creates an icon object from the memory. More...

MG_EXPORT BOOL GUIAPI	DestroyIcon (HICON hicon)
	Destroys an icon object. More...

MG_EXPORT BOOL GUIAPI	GetIconSize (HICON hicon, int w, int h)
	Gets the size of an icon object. More...

MG_EXPORT void GUIAPI	DrawIcon (HDC hdc, int x, int y, int w, int h, HICON hicon)
	Draws an icon into a box. More...

static void	SetRect (RECT *prc, int left, int top, int right, int bottom)
	Sets a rectangle. More...

static void	SetRectEmpty (RECT *prc)
	Empties a rectangle. More...

static void	CopyRect (RECT pdrc, const RECT psrc)
	Copies one rectangle to another. More...

static void	OffsetRect (RECT *prc, int x, int y)
	Moves a rectangle by offsets. More...

static void	InflateRect (RECT *prc, int cx, int cy)
	Increases or decreases the width and height of an rectangle. More...

static void	InflateRectToPt (RECT *prc, int x, int y)
	Inflates a rectangle to contain a point. More...

static BOOL	PtInRect (const RECT *prc, int x, int y)
	Determines whether a point lies within an rectangle. More...

MG_EXPORT BOOL GUIAPI	IsRectEmpty (const RECT *prc)
	Determines whether an rectangle is empty. More...

MG_EXPORT BOOL GUIAPI	EqualRect (const RECT prc1, const RECT prc2)
	Determines whether two rectangles are equal. More...

MG_EXPORT void GUIAPI	NormalizeRect (RECT *pRect)
	Normalizes a rectangle. More...

MG_EXPORT BOOL GUIAPI	IntersectRect (RECT pdrc, const RECT psrc1, const RECT *psrc2)
	Calculates the intersection of two rectangles. More...

MG_EXPORT BOOL GUIAPI	IsCovered (const RECT prc1, const RECT prc2)
	Determines whether one rectangle is covered by another. More...

MG_EXPORT BOOL GUIAPI	DoesIntersect (const RECT psrc1, const RECT psrc2)
	Determines whether two rectangles intersect. More...

MG_EXPORT BOOL GUIAPI	UnionRect (RECT pdrc, const RECT psrc1, const RECT *psrc2)
	Unions two source rectangles. More...

MG_EXPORT void GUIAPI	GetBoundRect (PRECT pdrc, const RECT psrc1, const RECT psrc2)
	Gets the bound rectangle of two source rectangles. More...

MG_EXPORT int GUIAPI	SubtractRect (RECT rc, const RECT psrc1, const RECT *psrc2)
	Obtains the rectangles when substracting one rectangle from another. More...

MG_EXPORT void GUIAPI	GetFontMetrics (LOGFONT log_font, FONTMETRICS font_metrics)
	Gets metrics information of a logical font. More...

MG_EXPORT void GUIAPI	GetGlyphBitmap (LOGFONT log_font, const char mchar, int mchar_len, GLYPHBITMAP *glyph_bitmap)
	Gets the glyph bitmap information when uses a logical font to output a character. More...

MG_EXPORT PLOGFONT GUIAPI	CreateLogFont (const char type, const char family, const char *charset, char weight, char slant, char flip, char other, char underline, char struckout, int size, int rotation)
	Creates a logical font. More...

MG_EXPORT PLOGFONT GUIAPI	CreateLogFontByName (const char *font_name)
	Creates a logical font by a font name. More...

MG_EXPORT PLOGFONT GUIAPI	CreateLogFontIndirect (LOGFONT *logfont)
	Creates a logical font indirectly from a LOGFONT structure. More...

MG_EXPORT void GUIAPI	DestroyLogFont (PLOGFONT log_font)
	Destroys a logical font. More...

MG_EXPORT void GUIAPI	GetLogFontInfo (HDC hdc, LOGFONT *log_font)
	Gets logical font information of a DC. More...

MG_EXPORT PLOGFONT GUIAPI	GetCurFont (HDC hdc)
	Gets the pointer to the current logical font of a DC. More...

MG_EXPORT PLOGFONT GUIAPI	SelectFont (HDC hdc, PLOGFONT log_font)
	Selects a logical font into a DC. More...

MG_EXPORT const DEVFONT *GUIAPI	GetNextDevFont (const DEVFONT *dev_font)
	Get next devfont information. More...

MG_EXPORT BOOL GUIAPI	ft2SetLcdFilter (LOGFONT *logfont, mg_FT_LcdFilter filter)
	Set freetype2 smooth mode. More...

MG_EXPORT DEVFONT *GUIAPI	LoadDevFontFromFile (const char devfont_name, const char file_name)
	Load device font from font file. More...

MG_EXPORT void GUIAPI	DestroyDynamicDevFont (DEVFONT **devfont)
	Destroy device font loaded dynamically from font file. More...

static PLOGFONT GUIAPI	GetSystemFont (int font_id)
	Gets the system logical font through an font identifier. More...

MG_EXPORT int GUIAPI	GetSysFontMaxWidth (int font_id)
	Gets the maximal width of a single-byte character of a system font. More...

MG_EXPORT int GUIAPI	GetSysFontAveWidth (int font_id)
	Gets the average width of a single-byte character of a system font. More...

MG_EXPORT int GUIAPI	GetSysFontHeight (int font_id)
	Gets the height of a single-byte character of a system font. More...

MG_EXPORT const char *GUIAPI	GetSysCharset (BOOL wchar)
	Gets the current system charset. More...

MG_EXPORT int GUIAPI	GetSysCharHeight (void)
	Gets the height of a character of the default system font. More...

MG_EXPORT int GUIAPI	GetSysCharWidth (void)
	Gets the width of a single-byte character of the default system font. More...

MG_EXPORT int GUIAPI	GetSysCCharWidth (void)
	Gets the width of a multi-byte character of the default system font. More...

MG_EXPORT int GUIAPI	GetTextMCharInfo (PLOGFONT log_font, const char mstr, int len, int pos_chars)
	Retrieves positions of multi-byte characters in a string. More...

MG_EXPORT int GUIAPI	GetTextWordInfo (PLOGFONT log_font, const char mstr, int len, int pos_words, WORDINFO *info_words)
	Retrieves information of multi-byte words in a string. More...

MG_EXPORT int GUIAPI	GetFirstMCharLen (PLOGFONT log_font, const char *mstr, int len)
	Retrieves the length of the first multi-byte character in a string. More...

MG_EXPORT int GUIAPI	GetFirstWord (PLOGFONT log_font, const char mstr, int len, WORDINFO word_info)
	Retrieves the length and info of the first multi-byte word in a string. More...

MG_EXPORT int GUIAPI	MB2WCEx (PLOGFONT log_font, void dest, BOOL wc32, const unsigned char mstr, int n)
	Converts a multibyte character to a wide character in UCS according to the charset/encoding of the logical font. More...

MG_EXPORT int GUIAPI	WC2MBEx (PLOGFONT log_font, unsigned char *s, UChar32 wc)
	Converts a wide character in UCS to a multibyte character according to the charset/encoding of the logical font. More...

MG_EXPORT int GUIAPI	MBS2WCSEx (PLOGFONT log_font, void dest, BOOL wc32, const unsigned char mstr, int mstr_len, int n, int *conved_mstr_len)
	Converts a multibyte string to a wide character string in UC16 according to the charset/encoding of the logical font. More...

MG_EXPORT int GUIAPI	WCS2MBSEx (PLOGFONT log_font, unsigned char dest, const void wcs, int wcs_len, BOOL wc32, int n, int *conved_wcs_len)
	Converts a wide character string in UC16 to a multibyte string according to the charset/encoding of the logical font. More...

MG_EXPORT int GUIAPI	GetTextExtentPoint (HDC hdc, const char text, int len, int max_extent, int fit_chars, int pos_chars, int dx_chars, SIZE *size)
	Computes the extent of a string when output the string in a limited space. More...

MG_EXPORT int GUIAPI	GetTabbedTextExtentPoint (HDC hdc, const char text, int len, int max_extent, int fit_chars, int pos_chars, int dx_chars, SIZE *size)
	Computes the extent of a string when output the formatted string in a limited space. More...

MG_EXPORT int GUIAPI	GetFontHeight (HDC hdc)
	Retrieves the height of the current logical font in a DC. More...

MG_EXPORT int GUIAPI	GetMaxFontWidth (HDC hdc)
	Retrieves the maximal character width of the current logical font in a DC. More...

MG_EXPORT int GUIAPI	GetTextExtent (HDC hdc, const char spText, int len, SIZE pSize)
	Computes the output extent of a string of text. More...

MG_EXPORT int GUIAPI	GetTabbedTextExtent (HDC hdc, const char spText, int len, SIZE pSize)
	Computes the output extent of a formatted text. More...

MG_EXPORT int GUIAPI	TextOutLen (HDC hdc, int x, int y, const char *spText, int len)
	Outputs a string of text. More...

MG_EXPORT int GUIAPI	TextOutOmitted (HDC hdc, int x, int y, const char *mtext, int len, int max_extent)
	Outputs a string of text with omitted format. More...

MG_EXPORT int GUIAPI	TabbedTextOutLen (HDC hdc, int x, int y, const char *spText, int len)
	Outputs a formatted text. More...

MG_EXPORT int GUIAPI	TabbedTextOutEx (HDC hdc, int x, int y, const char spText, int nCount, int nTabPositions, int pTabPositions, int nTabOrigin)
	Writes a character string at a specified location, expanding tabs to the values specified in an anrry of tab-stop positions. More...

MG_EXPORT void GUIAPI	GetLastTextOutPos (HDC hdc, POINT *pt)
	Retrieves the last text output position. More...

MG_EXPORT int GUIAPI	DrawTextEx2 (HDC hdc, const char pText, int nCount, RECT pRect, int nIndent, UINT nFormat, DTFIRSTLINE *firstline)
	Draws a formatted text in a rectangle. More...

MG_EXPORT BOOL GUIAPI	RegisterBitmapFileType (const char ext, void (init)(MG_RWops fp, MYBITMAP my_bmp, RGB pal), int(load)(MG_RWops fp, void init_info, MYBITMAP my_bmp, CB_ONE_SCANLINE cb, void context), void(cleanup)(void init_info), int(save)(MG_RWops fp, MYBITMAP my_bmp, RGB pal), BOOL(check)(MG_RWops *fp))
	Registers a bitmap file loader, saver, and checker. More...

MG_EXPORT const char *GUIAPI	CheckBitmapType (MG_RWops *fp)
	Checks the type of the bitmap in a data source. More...

MG_EXPORT BOOL GUIAPI	mlsEnableSlaveScreen (HDC dc_mls, BOOL enable)
	Enable or Disable a MLShadow slave screen. More...

MG_EXPORT int GUIAPI	LoadBitmapEx (HDC hdc, PBITMAP pBitmap, MG_RWops area, const char ext)
	Loads a device-dependent bitmap from a general data source. More...

MG_EXPORT int GUIAPI	LoadBitmapFromFile (HDC hdc, PBITMAP pBitmap, const char *spFileName)
	Loads a device-dependent bitmap from a file. More...

MG_EXPORT int GUIAPI	LoadBitmapFromMem (HDC hdc, PBITMAP pBitmap, const void mem, int size, const char ext)
	Loads a device-dependent bitmap from memory. More...

MG_EXPORT void GUIAPI	UnloadBitmap (PBITMAP pBitmap)
	Unloads a bitmap. More...

MG_EXPORT int GUIAPI	SetBitmapKeyColor (HDC hdc, PBITMAP bmp, Uint8 r, Uint8 g, Uint8 b)
	Set the bitmap color key. More...

MG_EXPORT void GUIAPI	ReplaceBitmapColor (HDC hdc, PBITMAP pBitmap, gal_pixel iOColor, gal_pixel iNColor)
	Replaces a specific pixels in a bitmap with another pixel. More...

MG_EXPORT void GUIAPI	HFlipBitmap (BITMAP bmp, unsigned char inter_buff)
	Horizontal Flip the special Bitmap object. More...

MG_EXPORT void GUIAPI	VFlipBitmap (BITMAP bmp, unsigned char inter_buff)
	Vertical Flip the special Bitmap object. More...

MG_EXPORT void *GUIAPI	InitMyBitmapSL (MG_RWops area, const char ext, MYBITMAP my_bmp, RGB pal)
	Initializes scanline loader of the MYBITMAP object from a data source. More...

MG_EXPORT int GUIAPI	LoadMyBitmapSL (MG_RWops area, void load_info, MYBITMAP my_bmp, CB_ONE_SCANLINE cb, void context)
	Loads MYBITMAP scanlines from a data source one by one. More...

MG_EXPORT int GUIAPI	CleanupMyBitmapSL (MYBITMAP my_bmp, void load_info)
	Cleanups the scanline loader. More...

MG_EXPORT int GUIAPI	LoadMyBitmapEx (PMYBITMAP my_bmp, RGB pal, MG_RWops area, const char *ext)
	Loads a MYBITMAP object from a data source. More...

MG_EXPORT int GUIAPI	LoadMyBitmapFromFile (PMYBITMAP my_bmp, RGB pal, const char file_name)
	Loads a MYBITMAP object from a file. More...

MG_EXPORT int GUIAPI	LoadMyBitmapFromMem (PMYBITMAP my_bmp, RGB pal, const void mem, int size, const char *ext)
	Loads a MYBITMAP object from memory. More...

MG_EXPORT void GUIAPI	UnloadMyBitmap (PMYBITMAP my_bmp)
	Unloads a bitmap. More...

MG_EXPORT int GUIAPI	SaveMyBitmapToFile (PMYBITMAP my_bmp, RGB pal, const char spFileName)
	Saves a MYBITMAP object to a bitmap file. More...

MG_EXPORT int GUIAPI	SaveBitmapToFile (HDC hdc, PBITMAP pBitmap, const char *spFileName)
	Saves a BITMAP object to a bitmap file. More...

MG_EXPORT BOOL GUIAPI	InitBitmap (HDC hdc, Uint32 w, Uint32 h, Uint32 pitch, BYTE *bits, PBITMAP bmp)
	Initializes a BITMAP object as a normal bitmap. More...

MG_EXPORT HDC GUIAPI	InitSlaveScreen (const char name, const char mode)
	Initializes slave screen. More...

MG_EXPORT void GUIAPI	TerminateSlaveScreen (HDC hdc)
	Terminates slave screen. More...

MG_EXPORT BOOL GUIAPI	InitBitmapPixelFormat (HDC hdc, PBITMAP bmp)
	Initializes the bitmap pixel format information of a BITMAP object. More...

MG_EXPORT void GUIAPI	DeleteBitmapAlphaPixel (PBITMAP bmp)
	Deletes the bitmap alpha pixel format information of a BITMAP object. More...

MG_EXPORT int GUIAPI	ExpandMyBitmap (HDC hdc, PBITMAP bmp, const MYBITMAP my_bmp, const RGB pal, int frame)
	Expands a MYBITMAP object to a BITMAP object. More...

MG_EXPORT void GUIAPI	ExpandMonoBitmap (HDC hdc, BYTE bits, Uint32 pitch, const BYTE my_bits, Uint32 my_pitch, Uint32 w, Uint32 h, DWORD flags, Uint32 bg, Uint32 fg)
	Convert a mono color MYBITMAP pixel data to a BITMAP pixel data. More...

static void GUIAPI	Expand16CBitmap (HDC hdc, BYTE bits, Uint32 pitch, const BYTE my_bits, Uint32 my_pitch, Uint32 w, Uint32 h, DWORD flags, const RGB *pal)
	Convert a 16 color MYBITMAP pixel data to a BITMAP pixel data. More...

static void GUIAPI	Expand256CBitmap (HDC hdc, BYTE bits, Uint32 pitch, const BYTE my_bits, Uint32 my_pitch, Uint32 w, Uint32 h, DWORD flags, const RGB pal, CB_DRAW_PIXEL cb_draw, MYBITMAP_CONTXT mybmp)
	Convert a 256 color MYBITMAP pixel data to a BITMAP pixel data. More...

MG_EXPORT void GUIAPI	CompileRGBABitmap (HDC hdc, BYTE bits, Uint32 pitch, const BYTE my_bits, Uint32 my_pitch, Uint32 w, Uint32 h, DWORD flags, void pixel_format, CB_DRAW_PIXEL cb_draw, MYBITMAP_CONTXT mybmp)
	Convert a MYBITMAP pixel data to a BITMAP pixel data. More...

MG_EXPORT void GUIAPI	CompileRGBABitmapEx (HDC hdc, BYTE bits, Uint32 pitch, const BYTE my_bits, Uint32 my_pitch, Uint32 w, Uint32 h, DWORD flags, void pixel_format, CB_DRAW_PIXEL cb_draw, MYBITMAP_CONTXT mybmp, BYTE *alpha_mask)
	Compile a MYBITMAP pixel data to a BITMAP pixel data. More...

MG_EXPORT int GUIAPI	PaintImageEx (HDC hdc, int x, int y, MG_RWops area, const char ext)
	Paints an image from data source on device directly. More...

MG_EXPORT int GUIAPI	PaintImageFromFile (HDC hdc, int x, int y, const char *spFileName)
	Paints an image from file on device directly. More...

MG_EXPORT int GUIAPI	PaintImageFromMem (HDC hdc, int x, int y, const void mem, int size, const char ext)
	Paints an image from memory on device directly. More...

MG_EXPORT int GUIAPI	StretchPaintImageEx (HDC hdc, int x, int y, int w, int h, MG_RWops area, const char ext)
	Paints an image from data source on device directly. More...

MG_EXPORT int GUIAPI	StretchPaintImageFromFile (HDC hdc, int x, int y, int w, int h, const char *spFileName)
	Paints an image from file on device directly. More...

MG_EXPORT int GUIAPI	StretchPaintImageFromMem (HDC hdc, int x, int y, int w, int h, const void mem, int size, const char ext)
	Paints an image from memory on device directly. More...

MG_EXPORT void GUIAPI	RotateBitmap (HDC hdc, const BITMAP *bmp, int lx, int ty, int angle)
	Rotate a bitmap object. More...

MG_EXPORT void GUIAPI	RotateBitmapVFlip (HDC hdc, const BITMAP *bmp, int lx, int ty, int angle)
	Flips vertically and rotates a bitmap object. More...

MG_EXPORT void GUIAPI	RotateBitmapHFlip (HDC hdc, const BITMAP *bmp, int lx, int ty, int angle)
	Flips horizontally and rotates a bitmap object. More...

MG_EXPORT void GUIAPI	RotateScaledBitmap (HDC hdc, const BITMAP *bmp, int lx, int ty, int angle, int w, int h)
	Stretches or shrinks a bitmap object at the same as rotating it. More...

MG_EXPORT void GUIAPI	RotateScaledBitmapVFlip (HDC hdc, const BITMAP *bmp, int lx, int ty, int angle, int w, int h)
	Flip vertically, rotates, stretch or shrinks a bitmap object. More...

MG_EXPORT void GUIAPI	RotateScaledBitmapHFlip (HDC hdc, const BITMAP *bmp, int lx, int ty, int angle, int w, int h)
	Flip horizontaly, rotates, stretch or shrinks a bitmap object. More...

MG_EXPORT void GUIAPI	PivotBitmap (HDC hdc, const BITMAP *bmp, int lx, int ty, int cx, int cy, int angle)
	Pivot a bitmap object. More...

MG_EXPORT void GUIAPI	PivotScaledBitmapFlip (HDC hdc, const BITMAP *bmp, fixed x, fixed y, fixed cx, fixed cy, int angle, fixed scale_x, fixed scale_y, BOOL h_flip, BOOL v_flip)
	Rotates, stretches or shrinks, flips a bitmap object. More...

MG_EXPORT DEVFONT *GUIAPI	CreateBMPDevFont (const char bmpfont_name, const BITMAP glyph_bmp, const char *start_mchar, int nr_glyphs, int glyph_width)
	Create a bitmap device font. More...

MG_EXPORT BOOL GUIAPI	AddGlyphsToBMPFont (DEVFONT dev_font, BITMAP glyph_bmp, const char *start_mchar, int nr_glyphs, int glyph_width)
	Add a new segment in device font. More...

MG_EXPORT void GUIAPI	DestroyBMPFont (DEVFONT *dev_font)
	Destroy the bitmap device font. More...

MG_EXPORT Glyph32 GUIAPI	GetGlyphValue (LOGFONT logfont, const char mchar, int mchar_len, const char *pre_mchar, int pre_len)
	Get the glyph value of a multi-byte character. More...

MG_EXPORT Glyph32 GUIAPI	GetGlyphShape (LOGFONT logfont, const char mchar, int mchar_len, SHAPETYPE shape_type)
	Get the glyph shape of a character. More...

MG_EXPORT int GUIAPI	DrawGlyph (HDC hdc, int x, int y, Glyph32 glyph_value, int adv_x, int adv_y)
	Draw a glyph. More...

MG_EXPORT int GUIAPI	GetGlyphInfo (LOGFONT logfont, Glyph32 glyph_value, GLYPHINFO glyph_info)
	Retriev the information of a glyph. More...

MG_EXPORT int GUIAPI	GetGlyphsExtent (HDC hdc, Glyph32 glyphs, int nr_glyphs, SIZE size)
	Get visual extent value of a glyph string. More...

MG_EXPORT int GUIAPI	GetGlyphsExtentPoint (HDC hdc, Glyph32 glyphs, int nr_glyphs, int max_extent, SIZE size)
	Get the visual extent value of a glyph string. More...

MG_EXPORT int GUIAPI	BIDIGetTextLogicalGlyphs (LOGFONT log_font, const char text, int text_len, Glyph32 glyphs, GLYPHMAPINFO glyphs_map)
	Get logical glyphs string of the text. More...

MG_EXPORT int GUIAPI	BIDIGetTextVisualGlyphs (LOGFONT log_font, const char text, int text_len, Glyph32 glyphs, GLYPHMAPINFO glyphs_map)
	Get visual glyphs and glyph_map info relative with logical string byte index. More...

MG_EXPORT Glyph32 *GUIAPI	BIDILogGlyphs2VisGlyphs (LOGFONT log_font, Glyph32 glyphs, int nr_glyphs, GLYPHMAPINFO *glyphs_map)
	Reorder the logical glyphs string to visual glyphs string. More...

MG_EXPORT void GUIAPI	GetTextRangesLog2Vis (LOGFONT log_font, char text, int text_len, int start_index, int end_index, int *ranges, int nr_ranges)
	Get a list of visual ranges corresponding to a given logical range. More...

MG_EXPORT void GUIAPI	BIDIGetLogicalEmbeddLevels (LOGFONT log_font, Glyph32 glyphs, int nr_glyphs, Uint8 **embedding_level_list)
	Get the logical embedding levels for the logical glyph string and generate runs by embedding levels, the for reorder to get visual glyph string. More...

MG_EXPORT void GUIAPI	BIDIGetVisualEmbeddLevels (LOGFONT log_font, Glyph32 glyphs, int nr_glyphs, Uint8 **embedding_level_list)
	Get the visual embedding levels for the given logical glyph string, then you can get the edge for visual glyphs. More...

Variables
MG_EXPORT gal_pixel	SysPixelIndex []
	The pre-defined system pixel values. More...

const MG_EXPORT RGB	SysPixelColor []
	The pre-defined system RGB colors. More...

Detailed Description

This file includes graphics device interfaces (GDI) of MiniGUI.

Author: Wei Yongming vince.nosp@m.nt@m.nosp@m.inigu.nosp@m.i.or.nosp@m.g

Date: 2002/01/06

   This file is part of MiniGUI, a mature cross-platform windowing 
   and Graphics User Interface (GUI) support system for embedded systems
   and smart IoT devices.

   Copyright (C) 2002~2018, Beijing FMSoft Technologies Co., Ltd.
   Copyright (C) 1998~2002, WEI Yongming

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.

   Or,

   As this program is a library, any link to this program must follow
   GNU General Public License version 3 (GPLv3). If you cannot accept
   GPLv3, you need to be licensed from FMSoft.

   If you have got a commercial license of this program, please use it
   under the terms and conditions of the commercial license.

   For more information about the commercial license, please refer to
   <http://www.minigui.com/en/about/licensing-policy/>.

Definition in file gdi.h.

Function Documentation

BOOL GUIAPI AddGlyphsToBMPFont	(	DEVFONT *	dev_font,
		BITMAP *	glyph_bmp,
		const char *	start_mchar,
		int	nr_glyphs,
		int	glyph_width
	)

Add a new segment in device font.

This function add a new segment to the device font pointed by dev_font.

Parameters

dev_font	The pointer to the device font.
glyph_bmp	The pointer to the segment glyph bitmap object.
start_mchar	The pointer to the first char of the segment.
nr_glyphs	The character count of the segment.
glyph_width	The character width in the segment.

Returns: TRUE if success, otherwise FALSE.

Referenced by Expand256CBitmap().

DEVFONT *GUIAPI CreateBMPDevFont	(	const char *	bmpfont_name,
		const BITMAP *	glyph_bmp,
		const char *	start_mchar,
		int	nr_glyphs,
		int	glyph_width
	)

Create a bitmap device font.

This function create a bitmap device font and return the pointer to the new device font.

Parameters

bmpfont_name	The font name.
glyph_bmp	The pointer to the bitmap object.
start_mchar	The pointer to the first char of segment.
nr_glyphs	The character count of the segment.
glyph_width	The character width.

Returns: The pointer to the new device font on sucess, otherwise NULL.

Referenced by Expand256CBitmap().

void GUIAPI DestroyBMPFont ( DEVFONT * dev_font )

Destroy the bitmap device font.

This function destroy the bitmap device font pointed by dev_font.

Parameters

dev_font The pointer to the device font which will be destroyed.

Returns: TRUE if success, otherwise FALSE.

Referenced by Expand256CBitmap().

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

Function Documentation