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xenocara/app/xlockmore/win32/Xapi.c
matthieu 110b2a9207 Importing xlockmore 5.22
2006-11-26 11:07:42 +00:00

2857 lines
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/* -*- Mode: C; tab-width: 4 -*- */
/* Xapi --- mapped X API calls */
#if !defined( lint ) && !defined( SABER )
static const char sccsid[] = "@(#)Xapi.c 4.07 98/04/16 xlockmore";
#endif
#ifdef WIN32
#include <stdlib.h>
#include <math.h>
#include "xlock.h"
#define NUMBER_GC (1024)
#define NUMBER_BITMAP (1024)
typedef struct {
unsigned long background;
unsigned long foreground;
} TColor;
typedef struct {
int hasFillRule;
int value;
} TFillRule;
typedef struct {
int hasFillStyle;
int value;
} TFillStyle;
typedef struct {
int hasFont;
Font value;
} TFont;
typedef struct {
int hasFunction;
int value;
} TFunction;
typedef struct {
int hasLineAttributes;
unsigned int width;
int lineStyle;
int capStyle;
int joinStyle;
} TLineAttributes;
typedef struct {
int hasStipple;
Pixmap graphic;
} TStipple;
typedef struct {
int hasOrigin;
int x;
int y;
} TTSOrigin;
typedef struct {
int isActive;
int needsReset;
TColor color;
TFillRule fillRule;
TFillStyle fillStyle;
TFunction function;
TLineAttributes lineAttributes;
TTSOrigin tsorigin;
TStipple stipple;
TFont font;
} TGCInfo;
typedef struct {
int isActive;
int type;
int width;
int height;
HBITMAP bitmap;
} TBMInfo;
/* -------------------------------------------------------------------- */
int GCCreate(void);
HDC GCGetDC(Drawable d, GC gc);
int BMInfoCreate(void);
HBITMAP DrawableGetBitmap(Drawable d);
/* -------------------------------------------------------------------- */
/*-
* global variables
*/
HWND hwnd; /* window handle */
HDC hdc; /* device context */
HGDIOBJ noPen = NULL; /* no pen used in fills */
int cred, cgreen, cblue; /* color reference of the pen */
unsigned char *red, *green, *blue; /* holds a list of colors */
int colorcount; /* number of colors used */
unsigned int randommode; /* number of mode to index */
RECT rc; /* coords of the screen */
HANDLE thread; /* thread handle */
DWORD thread_id; /* thread id number */
int numGCInfo = 0; /* number of GC Info */
TGCInfo gcInfo[NUMBER_GC + 1] = { 0 }; /* information about GCs. Allow
NUMBER_GC GC's, + 1 as a spill
over for any modes that need
more */
int numBMInfo = 0; /* number of Bitmap Info */
TBMInfo bmInfo[NUMBER_BITMAP + 1] = { 0 }; /* information about Bitmaps/Pixmaps */
/* -------------------------------------------------------------------- */
/* the following functions are used to build up a graphic to display in
WIN32
*/
void SetByte(LPBYTE lpBMData, BYTE val, int loc, int maxLoc)
{
if (loc < maxLoc)
{
lpBMData[loc] = val ^ 0xFF;
}
}
void SetGraphic(LPBYTE lpBMData, XImage *image)
{
const int w32bb = 4 * 8;
const int xbmbb = 1 * 8;
BYTE xbmval;
BYTE w32val;
int lineBitCnt = 0;
int w32BitsRemain;
int i, j, k;
int bmSize;
int loc = 0;
int actBytesPerLine;
int maxLoc;
// initialise
actBytesPerLine = (image->width + 7) / 8;
bmSize = actBytesPerLine * image->height;
maxLoc = (actBytesPerLine + ((4 - (actBytesPerLine % 4)) % 4)) *
image->height;
// for each byte in the xbm bit array
for (i=0; i<bmSize; i++)
{
xbmval = (image->data)[i];
w32val = 0;
// for each bit in the byte
for (j=0; j<8; j++)
{
w32val = (w32val << 1) | ((xbmval >> j) & 0x1);
if (j == 7) /* we have processed all bits */
{
SetByte(lpBMData, w32val, loc, maxLoc);
loc++;
}
// check for a line of graphic
if (++lineBitCnt == image->width)
{
w32BitsRemain = (w32bb - (lineBitCnt % w32bb)) % w32bb;
if (w32BitsRemain % 8)
{
w32val = w32val << (w32BitsRemain % 8);
SetByte(lpBMData, w32val, loc, maxLoc);
loc++;
}
if (w32BitsRemain / 8)
{
for (k=0; k<(w32BitsRemain / 8); k++)
{
SetByte(lpBMData, 0, loc, maxLoc);
loc++;
}
}
lineBitCnt = 0;
break;
}
}
}
}
void
LCreateBitmap(XImage *image, HBITMAP *hBitmap, HPALETTE *hPalette)
{
BYTE palette[2][3];
LPBITMAPINFO lpbi;
HDC hScreenDC;
LPVOID lpBMData;
LPLOGPALETTE lpLogPal;
int i;
/* setup color palette */
palette[0][0] = 255; /* red */
palette[0][1] = 255; /* green */
palette[0][2] = 255; /* blue */
palette[1][0] = 000; /* red */
palette[1][1] = 000; /* green */
palette[1][2] = 000; /* blue */
/* allocate memory for the bitmap header */
lpbi = (LPBITMAPINFO)LocalAlloc(LPTR,
sizeof(BITMAPINFOHEADER) + (2 * sizeof(RGBQUAD)));
if (lpbi == NULL)
{
return;
}
/* set bitmap header info */
lpbi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
lpbi->bmiHeader.biWidth = image->width;
lpbi->bmiHeader.biHeight = -1 * image->height;
lpbi->bmiHeader.biPlanes = 1;
lpbi->bmiHeader.biBitCount = 1;
lpbi->bmiHeader.biCompression = BI_RGB;
/* fill in bitmap palette */
for (i=0; i<2; i++)
{
lpbi->bmiColors[i].rgbRed = palette[i][0];
lpbi->bmiColors[i].rgbGreen = palette[i][1];
lpbi->bmiColors[i].rgbBlue = palette[i][2];
}
/* create bitmap area */
hScreenDC = CreateCompatibleDC(hdc);
*hBitmap = CreateDIBSection(hScreenDC, lpbi, DIB_RGB_COLORS,
&lpBMData, NULL, 0);
if (*hBitmap == NULL && lpBMData == NULL)
{
DeleteDC(hScreenDC);
LocalFree(lpbi);
return;
}
DeleteDC(hScreenDC);
if (LocalFree(lpbi) != NULL)
return;
/* copy XBM to bitmap */
SetGraphic(lpBMData, image);
/* create logical palette header */
lpLogPal = (LPLOGPALETTE)LocalAlloc(LPTR,
sizeof(LOGPALETTE) + (1 * sizeof(PALETTEENTRY)));
if (lpLogPal == NULL)
{
return;
}
/* set logical palette info */
lpLogPal->palVersion = 0x0300;
lpLogPal->palNumEntries = 2;
for (i=0; i < 2; i++)
{
lpLogPal->palPalEntry[i].peRed = palette[i][0];
lpLogPal->palPalEntry[i].peGreen = palette[i][1];
lpLogPal->palPalEntry[i].peBlue = palette[i][2];
}
/* create palette */
*hPalette = CreatePalette(lpLogPal);
if (*hPalette == NULL)
{
return;
}
/* clean up palette creation data */
LocalFree(lpLogPal);
}
/* -------------------------------------------------------------------- */
/* the following functions to create, destroy, modify and access the
GC Info structure
*/
int GCCreate(void)
{
int retVal = 0;
for (retVal=0; retVal<NUMBER_GC; retVal++)
{
if (gcInfo[retVal].isActive == FALSE)
{
numGCInfo++;
break;
}
}
gcInfo[retVal].isActive = TRUE;
gcInfo[retVal].needsReset = TRUE;
gcInfo[retVal].color.background = NUMCOLORS+1;
gcInfo[retVal].color.foreground = NUMCOLORS;
gcInfo[retVal].fillRule.hasFillRule = FALSE;
gcInfo[retVal].fillRule.value = 0;
gcInfo[retVal].fillStyle.hasFillStyle = FALSE;
gcInfo[retVal].fillStyle.value = 0;
gcInfo[retVal].function.hasFunction = FALSE;
gcInfo[retVal].function.value = 0;
gcInfo[retVal].lineAttributes.hasLineAttributes = FALSE;
gcInfo[retVal].lineAttributes.width = 0;
gcInfo[retVal].lineAttributes.lineStyle = 0;
gcInfo[retVal].lineAttributes.capStyle = 0;
gcInfo[retVal].lineAttributes.joinStyle = 0;
gcInfo[retVal].tsorigin.hasOrigin = FALSE;
gcInfo[retVal].tsorigin.x = 0;
gcInfo[retVal].tsorigin.y = 0;
gcInfo[retVal].stipple.hasStipple = FALSE;
gcInfo[retVal].stipple.graphic = -1;
return retVal;
}
/* -------------------------------------------------------------------- */
HDC GCGetDC(Drawable d, GC gc)
{
HGDIOBJ brush;
int fillfunc;
int fillrule;
int i;
LOGBRUSH lb;
LPLOGPALETTE lpLogPal;
BYTE palarray[2][3];
HPALETTE palette;
HGDIOBJ pen;
DWORD penstyle;
HBITMAP stipple;
HDC lhdc;
char message[80];
static GC lastGc = -1;
static HDC sbhdc = NULL;
static HDC dbhdc = NULL;
if (gc < 0 || gc >= numGCInfo)
{
sprintf(message, "GC passed in not in range 0..%d, gc=%d",
numGCInfo-1, gc);
xlockmore_set_debug(message);
return NULL;
}
/* get DC - try and determine if its a window or bitmap */
if (d > 0 && d < NUMBER_BITMAP)
{
if (dbhdc == NULL)
/* create a compatible DC from the saved intial DC. To draw
to this DC we still need to put a HBITMAP into it (not
done in this function)
*/
if ((dbhdc = CreateCompatibleDC(hdc)) == NULL)
{
sprintf(message, "CreateCompatibleDC() returned NULL");
xlockmore_set_debug(message);
return NULL;
}
lhdc = dbhdc;
}
else
{
if (sbhdc == NULL)
/* create a DC for the window. We don't (and cannot) put
* a HBITMAP into this. It is ready to draw to (straight to
* the screen)
*/
if ((sbhdc = GetDC(hwnd)) == NULL)
{
sprintf(message, "GetDC() returned NULL");
xlockmore_set_debug(message);
return NULL;
}
lhdc = sbhdc;
}
/* check if we have already set up the DC in a previous call */
if (lastGc == gc && gcInfo[gc].needsReset == FALSE)
return lhdc;
/* set the current color constants */
cred = red[gcInfo[gc].color.foreground];
cgreen = green[gcInfo[gc].color.foreground];
cblue = blue[gcInfo[gc].color.foreground];
/* set the text color */
if (SetTextColor(lhdc, RGB(cred,cgreen,cblue)) == CLR_INVALID)
{
sprintf(message, "text: SetTextColor() returned CLR_INVALID [%d %d %d]", cred, cgreen, cblue);
xlockmore_set_debug(message);
return NULL;
}
if (SetBkColor(lhdc, RGB(red[gcInfo[gc].color.background],
green[gcInfo[gc].color.background],
blue[gcInfo[gc].color.background])) == CLR_INVALID)
{
sprintf(message, "text: SetBkColor() returned CLR_INVALID");
xlockmore_set_debug(message);
return NULL;
}
/* set the pen to the new color and line attributes */
if (gcInfo[gc].lineAttributes.hasLineAttributes == FALSE)
{
/* no line attributes, just create solid pen and put into the DC*/
if ((pen = CreatePen(PS_SOLID, 0, RGB(cred, cgreen, cblue))) == NULL)
{
sprintf(message, "pen: CreatePen() returned NULL");
xlockmore_set_debug(message);
return NULL;
}
else
{
if ((pen = SelectObject(lhdc, pen)) == NULL)
{
sprintf(message, "pen: Failed to select pen into DC");
xlockmore_set_debug(message);
return NULL;
}
/* remove the old pen */
if (DeleteObject(pen) == 0)
{
sprintf(message, "pen: Failed to delete old pen");
xlockmore_set_debug(message);
return NULL;
}
}
}
else
{
/* line attributes need to be set, create a more complex pen */
/* set the brush info */
lb.lbStyle = BS_SOLID;
lb.lbColor = RGB(cred, cgreen, cblue);
lb.lbHatch = 0;
/* set the pen style */
penstyle = PS_GEOMETRIC;
switch (gcInfo[gc].lineAttributes.lineStyle)
{
case LineSolid:
penstyle |= PS_SOLID; break;
case LineOnOffDash:
penstyle |= PS_DASH; break;
case LineDoubleDash:
penstyle |= PS_DOT; break;
}
switch (gcInfo[gc].lineAttributes.capStyle)
{
case CapNotLast:
penstyle |= PS_ENDCAP_FLAT; break;
case CapButt:
penstyle |= PS_ENDCAP_FLAT; break;
case CapRound:
penstyle |= PS_ENDCAP_ROUND; break;
case CapProjecting:
penstyle |= PS_ENDCAP_SQUARE; break;
}
switch (gcInfo[gc].lineAttributes.joinStyle)
{
case JoinMiter:
penstyle |= PS_JOIN_MITER; break;
case JoinRound:
penstyle |= PS_JOIN_ROUND; break;
case JoinBevel:
penstyle |= PS_JOIN_BEVEL; break;
}
/* create the pen, putting it in the DC */
pen = SelectObject(lhdc,
ExtCreatePen(penstyle, gcInfo[gc].lineAttributes.width,
&lb, 0, NULL));
/* remove the old pen */
DeleteObject(pen);
}
/* set the palette to the new colors */
palarray[0][0] = cred; /* red */
palarray[0][1] = cgreen; /* green */
palarray[0][2] = cblue; /* blue */
palarray[1][0] = red[gcInfo[gc].color.background]; /* red */
palarray[1][1] = green[gcInfo[gc].color.background]; /* green */
palarray[1][2] = blue[gcInfo[gc].color.background]; /* blue */
/* create logical palette header */
lpLogPal = (LPLOGPALETTE)LocalAlloc(LPTR,
sizeof(LOGPALETTE) + (1 * sizeof(PALETTEENTRY)));
if (lpLogPal == NULL)
{
sprintf(message, "palette: Cannot alloacte memory for logical palette");
xlockmore_set_debug(message);
return NULL;
}
/* set logical palette info */
lpLogPal->palVersion = 0x0300;
lpLogPal->palNumEntries = 2;
for (i=0; i < 2; i++)
{
lpLogPal->palPalEntry[i].peRed = palarray[i][0];
lpLogPal->palPalEntry[i].peGreen = palarray[i][1];
lpLogPal->palPalEntry[i].peBlue = palarray[i][2];
}
/* create palette */
palette = CreatePalette(lpLogPal);
if (palette == NULL)
{
sprintf(message, "palette: CreatePalette() returned NULL");
xlockmore_set_debug(message);
LocalFree(lpLogPal);
return NULL;
}
/* set palette color */
palette = SelectPalette(lhdc, palette, FALSE);
/* clean up palette creation data */
DeleteObject(palette);
LocalFree(lpLogPal);
/* set brush origin */
if (gcInfo[gc].tsorigin.hasOrigin == TRUE)
{
if (SetBrushOrgEx(lhdc, gcInfo[gc].tsorigin.x,
gcInfo[gc].tsorigin.y, NULL) == 0)
{
sprintf(message, "brush origin: SetBrushOrgEx() failed");
xlockmore_set_debug(message);
return NULL;
}
}
/* check if we need a pattern brush or solid brush */
if (gcInfo[gc].stipple.hasStipple == FALSE ||
(gcInfo[gc].fillStyle.hasFillStyle == TRUE &&
gcInfo[gc].fillStyle.value == FillSolid))
{
/* solid brush */
brush = SelectObject(lhdc,
CreateSolidBrush(RGB(cred, cgreen, cblue)));
DeleteObject(brush);
}
/* check if we need to FillStippled, and if so don't make a
* brush, we will deal with this later (see XFillRectangle)
*/
else if (gcInfo[gc].stipple.graphic != -1 &&
! (gcInfo[gc].fillStyle.hasFillStyle == TRUE &&
gcInfo[gc].fillStyle.value == FillStippled))
{
/* pattern brush */
HBRUSH oldBrush;
HBRUSH brush;
HDC hStippleDC;
HBITMAP hOldBitmap;
RGBQUAD rgbQuad = { cblue, cgreen, cred, 0 };
if ((stipple = DrawableGetBitmap(gcInfo[gc].stipple.graphic)) == NULL)
{
sprintf(message, "pattern brush: DrawableGetBitmap() returned NULL");
xlockmore_set_debug(message);
return NULL;
}
/* create a device context for setting the stipples color */
if ((hStippleDC = CreateCompatibleDC(lhdc)) == NULL)
{
sprintf(message, "pattern brush: CreateCompatibleDC() returned NULL");
xlockmore_set_debug(message);
return NULL;
}
/* put the stipple into the DC */
if ((hOldBitmap = (HBITMAP)SelectObject(hStippleDC, stipple)) == NULL)
{
sprintf(message, "pattern brush: cannot select stipple in stippleDC");
xlockmore_set_debug(message);
DeleteDC(hStippleDC);
return NULL;
}
/* set the correct color table */
SetDIBColorTable(hStippleDC, 0, 1, &rgbQuad);
/* get the stipple back from the DC with the correct color table */
if ((stipple = (HBITMAP)SelectObject(hStippleDC, hOldBitmap)) == NULL)
{
sprintf(message, "pattern brush: cannot select stipple out of stippleDC");
xlockmore_set_debug(message);
DeleteDC(hStippleDC);
return NULL;
}
/* create a pattern brush out of it */
if ((brush = CreatePatternBrush(stipple)) == NULL)
{
sprintf(message, "pattern brush: CreatePatternBrush() returned NULL");
xlockmore_set_debug(message);
DeleteDC(hStippleDC);
return NULL;
}
/* put the pattern brush into the DC */
if ((oldBrush = SelectObject(lhdc, brush)) == NULL)
{
sprintf(message, "pattern brush: cannot select brush into DC");
xlockmore_set_debug(message);
DeleteDC(hStippleDC);
return NULL;
}
/* clean up and return */
DeleteDC(hStippleDC);
DeleteObject(oldBrush);
}
/* check if we need to set the fill function */
if (gcInfo[gc].function.hasFunction == TRUE)
{
switch (gcInfo[gc].function.value)
{
case GXclear: fillfunc = R2_BLACK; break;
case GXand: fillfunc = R2_MERGEPEN; break;
case GXandReverse: fillfunc = R2_MERGEPENNOT; break;
case GXcopy: fillfunc = R2_COPYPEN; break;
case GXandInverted: fillfunc = R2_MERGENOTPEN; break;
case GXnoop: fillfunc = R2_NOP; break;
case GXxor: fillfunc = R2_XORPEN; break;
case GXor: fillfunc = R2_MASKPEN; break;
case GXnor: fillfunc = R2_NOTMERGEPEN; break;
case GXequiv: fillfunc = R2_NOTXORPEN; break;
case GXinvert: fillfunc = R2_NOT; break;
case GXorReverse: fillfunc = R2_MASKPENNOT; break;
case GXcopyInverted: fillfunc = R2_NOTCOPYPEN; break;
case GXorInverted: fillfunc = R2_MASKNOTPEN; break;
case GXnand: fillfunc = R2_NOTMASKPEN; break;
case GXset: fillfunc = R2_WHITE; break;
default: fillfunc = R2_COPYPEN; break;
}
SetROP2(lhdc, fillfunc);
}
/* set fill rule */
if (gcInfo[gc].fillRule.hasFillRule == TRUE)
{
switch (gcInfo[gc].fillRule.value)
{
case EvenOddRule: fillrule = ALTERNATE; break;
case WindingRule: fillrule = WINDING; break;
default: fillrule = WINDING; break;
}
if (SetPolyFillMode(lhdc, fillrule) == 0)
{
sprintf(message, "fill rule: cannot set fill mode in DC");
xlockmore_set_debug(message);
return NULL;
}
}
/*
* if we call this function again and there is no change to the DC
* that needs to be done, we want to just return the DC that had
* already been set up. Set the information to allow this
*/
gcInfo[gc].needsReset = FALSE;
lastGc = gc;
/* ignoring setting font for now */
/* TODO: font */
/* return the DC */
return lhdc;
}
/* the following functions to create, destroy, modify and access the
BM Info structure
*/
int BMInfoCreate(void)
{
int retVal = 0;
HBITMAP hBitmap;
/* start at 1, not 0 as this will be None */
for (retVal=1; retVal<NUMBER_BITMAP; retVal++)
{
if (bmInfo[retVal].isActive == FALSE)
{
numBMInfo++;
break;
}
}
if (retVal == NUMBER_BITMAP)
return -1;
/* set the bitmap info */
bmInfo[retVal].isActive = TRUE;
bmInfo[retVal].width = 0;
bmInfo[retVal].height = 0;
bmInfo[retVal].bitmap = NULL;
return retVal;
}
HBITMAP DrawableGetBitmap(Drawable d)
{
char message[80];
if (d < 0 || d >= NUMBER_BITMAP)
{
sprintf(message, "Drawable passed in not in range 0..%d, d=%d",
numBMInfo-1, d);
xlockmore_set_debug(message);
return NULL;
}
/* check for id of 0 */
if (d == None)
{
sprintf(message, "Drawable is None");
xlockmore_set_debug(message);
return NULL;
}
if (bmInfo[d].isActive == FALSE)
{
sprintf(message, "Drawable not active, d=%d", d);
xlockmore_set_debug(message);
return NULL;
}
return bmInfo[d].bitmap;
}
/* -------------------------------------------------------------------- */
/* the following are functions in UNIX but not WIN32 */
/*-
* nice
*/
int nice(int level)
{
return 1;
}
/*-
* sleep
*/
void sleep(int sec)
{
}
/*-
* sigmask
*/
int sigmask(int signum)
{
return 0;
}
/* the following are macros in X, but I have implemented as functions */
/*-
* BlackPixel
* returns the color cell of Black
* NOTE: this is currently set to the end of the color
* palette table,
*/
unsigned long BlackPixel(Display *display, int screen_number)
{
return colorcount+1;
}
/*-
* WhitePixel
* returns the color cell of White
* NOTE: this is currently set to the end of the color
* palette table - 1
*/
unsigned long WhitePixel(Display *display, int screen_number)
{
return colorcount;
}
/*-
* BlackPixelOfScreen
* returns the color cell of Black
* NOTE: currently is fixed to color array + 2
*/
int BlackPixelOfScreen(Screen *screen)
{
return NUMCOLORS+1;
}
/*-
* WhitePixelOfScreen
* returns the color cell of White
* NOTE: currently is fixed to color array + 1
*/
int WhitePixelOfScreen(Screen *screen)
{
return NUMCOLORS;
}
/*-
* CellsOfScreen
* returns number of entries the colormap can hold
*/
int CellsOfScreen(Screen *screen)
{
return colorcount;
}
/*-
* DefaultColormap
* not currently used, returns 0
*/
Colormap DefaultColormap(Display *display, int screen_number)
{
return 0;
}
/*-
* DefaultColormapOfScreen
* not currently used, returns 0
*/
Colormap DefaultColormapOfScreen(Screen *screen)
{
return 0;
}
/*-
* DefaultVisual
* not currently used, returns NULL
*/
Visual *DefaultVisual(Display *display, int screen_number)
{
return NULL;
}
/*-
* DisplayPlanes
* not currently used, returns 0
*/
int DisplayPlanes(Display *display, int screen_number)
{
return 0;
}
/*-
* DisplayString
* not currently used, returns NULL
*/
char *DisplayString(Display *display)
{
return NULL;
}
/*-
* RootWindow
* not currently used, returns 0
*/
Window RootWindow(Display *display, int screen_number)
{
return 0;
}
/*-
* ScreenCount
* not correct, just return 1
*/
int ScreenCount(Display *display)
{
return 1;
}
/*-
* ScreenOfDisplay
* not currently used, returns NULL
*/
Screen *ScreenOfDisplay(Display *display, int screen_number)
{
return NULL;
}
/* -------------------------------------------------------------------- */
/* X function mappings */
/*-
* XAddHosts
* not currently used
*/
void XAddHosts(Display *display, XHostAddress *hosts, int num_hosts)
{
}
/*-
* XAllocColor
* not currently used
*/
Status XAllocColor(Display *display, Colormap colormap,
XColor *screen_in_out)
{
screen_in_out->pixel = 0;
return 1;
}
/*-
* XAllocColorCells
* not currently used
*/
Status XAllocColorCells(Display *display, Colormap colormap,
Bool contig, unsigned long plane_masks_return[],
unsigned int nplanes, unsigned long pixels_return[],
unsigned int npixels)
{
return 0;
}
/*-
* XAllocNamedColor
* not currently used
*/
Status XAllocNamedColor(Display *display, Colormap colormap,
char *color_name, XColor *screen_def_return,
XColor *exact_def_return)
{
return 0;
}
/*-
* XBell
* not currently used
*/
void XBell(Display *display, int percent)
{
}
/*-
* XChangeGC
* changes values of the graphics context
*/
void XChangeGC(Display *display, GC gc, unsigned long valuemask,
XGCValues *values)
{
if (valuemask & GCBackground)
{
XSetBackground(display, gc, values->background);
}
if (valuemask & GCFillRule)
{
XSetFillRule(display, gc, values->fill_rule);
}
if (valuemask & GCFillStyle)
{
XSetFillStyle(display, gc, values->fill_style);
}
if (valuemask & GCForeground)
{
XSetForeground(display, gc, values->foreground);
}
if (valuemask & GCFunction)
{
XSetFunction(display, gc, values->function);
}
if (valuemask & GCLineWidth)
{
XSetLineAttributes(display, gc,
values->line_width,
gcInfo[gc].lineAttributes.lineStyle,
gcInfo[gc].lineAttributes.capStyle,
gcInfo[gc].lineAttributes.joinStyle);
}
if (valuemask & GCLineStyle)
{
XSetLineAttributes(display, gc,
gcInfo[gc].lineAttributes.width,
values->line_style,
gcInfo[gc].lineAttributes.capStyle,
gcInfo[gc].lineAttributes.joinStyle);
}
if (valuemask & GCCapStyle)
{
XSetLineAttributes(display, gc,
gcInfo[gc].lineAttributes.width,
gcInfo[gc].lineAttributes.lineStyle,
values->cap_style,
gcInfo[gc].lineAttributes.joinStyle);
}
if (valuemask & GCJoinStyle)
{
XSetLineAttributes(display, gc,
gcInfo[gc].lineAttributes.width,
gcInfo[gc].lineAttributes.lineStyle,
gcInfo[gc].lineAttributes.capStyle,
values->join_style);
}
if (valuemask & GCStipple)
{
XSetStipple(display, gc, values->stipple);
}
if (valuemask & GCFont)
{
XSetFont(display, gc, values->font);
}
if (valuemask & GCTileStipXOrigin)
{
XSetTSOrigin(display, gc, values->ts_x_origin, gcInfo[gc].tsorigin.y);
}
if (valuemask & GCTileStipYOrigin)
{
XSetTSOrigin(display, gc, gcInfo[gc].tsorigin.x, values->ts_y_origin);
}
/* the above are the only attributes we can set at this stage */
}
/*-
* XCheckMaskEvent
* not currently used, return True
*/
Bool XCheckMaskEvent(Display *display, long event_mask,
XEvent *event_return)
{
return True;
}
/*-
* XClearArea
* clears a rectangular area in a window/screen
*/
void XClearArea(Display *display, Window w, int x, int y,
unsigned int width, unsigned int height, Bool exposures)
{
RECT lrc;
lrc.left = x;
lrc.top = y;
lrc.right = x + width;
lrc.bottom = y + height;
FillRect(hdc, &lrc, (struct HBRUSH__ *)GetStockObject(BLACK_BRUSH));
}
/*-
* XClearWindow
* sets the base window/screen to black
*/
void XClearWindow(Display *display, Window w)
{
FillRect(hdc, &rc, (struct HBRUSH__ *)GetStockObject(BLACK_BRUSH));
}
/*-
* XCloseDisplay
* not currently used
*/
void XCloseDisplay(Display *display)
{
}
/*-
* XConfigureWindow
* not currently used
*/
void XConfigureWindow(Display *display, Window w,
unsigned int value_mask,
XWindowChanges *values)
{
}
/*-
* XCopyArea
* copies one drawable to another
*/
int XCopyArea(Display *display, Drawable src, Drawable dest, GC gc,
int src_x, int src_y, unsigned int width, unsigned height,
int dest_x, int dest_y)
{
HBITMAP hBitmap;
HBITMAP hOldBitmapS;
HBITMAP hOldBitmapD;
HDC hDestDC;
HDC hSrcDC;
/* create the destination resource */
if ((hDestDC = GCGetDC(dest, gc)) == NULL)
{
xlockmore_set_debug("XCopyArea: Failed to get destination DC");
return BadGC;
}
if (dest > 0 && dest < NUMBER_BITMAP)
if (bmInfo[dest].isActive == TRUE)
hOldBitmapD = SelectObject(hDestDC, DrawableGetBitmap(dest));
/* create the source resource */
if (src > 0 && src <= numBMInfo)
{
/* source is a bitmap */
if ((hBitmap = DrawableGetBitmap(src)) == NULL)
{
xlockmore_set_debug("XCopyArea: Failed to get bitmap");
return BadDrawable;
}
if ((hSrcDC = CreateCompatibleDC(hdc)) == NULL)
{
xlockmore_set_debug("XCopyArea: Failed to create compatible DC");
return BadDrawable;
}
hOldBitmapS = SelectObject(hSrcDC, hBitmap);
}
else
{
/* source is a window */
if ((hSrcDC = GetDC((HWND)src)) == NULL)
{
xlockmore_set_debug("XCopyArea: Failed to get source DC");
return BadDrawable;
}
}
/* copy src to destination */
if (BitBlt(hDestDC, dest_x, dest_y, width, height, hSrcDC,
src_x, src_y, SRCCOPY) == 0)
{
xlockmore_set_debug("XCopyArea: BitBlt() failed");
}
/* clean up */
if (hOldBitmapS)
SelectObject(hSrcDC, hOldBitmapS);
if (hOldBitmapD)
SelectObject(hSrcDC, hOldBitmapD);
if (src > 0 && src <= numBMInfo)
DeleteDC(hSrcDC);
else
ReleaseDC((HWND)src, hSrcDC);
return Success;
}
/*-
* XCopyColormapAndFree
* not currently used, returns 0
*/
Colormap XCopyColormapAndFree(Display *display, Colormap colormap)
{
return 0;
}
/*-
* XCopyPlane
* to be implemented
*/
int XCopyPlane(Display *display, Drawable src, Drawable dest, GC gc,
int src_x, int src_y, unsigned width, int height,
int dest_x, int dest_y, unsigned long plane)
{
return 0;
}
/*-
* XCreateBitmapFromData
* used to create a bitmap
*/
Pixmap XCreateBitmapFromData(Display *display, Drawable drawable,
char *data, unsigned int width,
unsigned int height)
{
XImage image;
HBITMAP hBitmap;
HPALETTE hPalette;
Pixmap pm;
pm = BMInfoCreate();
if (pm < 0 || pm >= NUMBER_BITMAP)
return None;
image.width = width;
image.height = height;
image.data = data;
LCreateBitmap(&image, &hBitmap, &hPalette);
DeleteObject(hPalette); /* we don't need the palette */
if (hBitmap == NULL)
{
bmInfo[pm].isActive = FALSE;
return None;
}
bmInfo[pm].bitmap = hBitmap;
bmInfo[pm].type = 1;
bmInfo[pm].width = width;
bmInfo[pm].height = height;
return pm;
}
/*-
* XCreateColormap
* used to create the colormap
*/
Colormap XCreateColormap(Display *display, Window w,
Visual *visual, int alloc)
{
return None;
}
/*-
* XCreateFontCursor
* not currently used, returns 0
*/
Cursor XCreateFontCursor(Display *display, unsigned int shape)
{
return 0;
}
/*-
* XCreateGC
* creates a copy of the GC
*/
GC XCreateGC(Display *display, Drawable drawable,
unsigned long valuemask, XGCValues *values)
{
GC newGc;
char message[80];
if ((newGc = GCCreate()) == -1)
{
sprintf(message, "Failed to create a GC");
xlockmore_set_debug(message);
}
else
{
/* check if drawable is a bitmap, and adjust the 1 and 0 colors
(white and black) to their proper win32 values */
if (drawable > 0 && drawable < NUMBER_BITMAP)
if (bmInfo[drawable].isActive == TRUE && bmInfo[drawable].type == 1)
{
if (valuemask & GCBackground)
if (values->background == 0 || values->background == 1)
values->background = 256 + values->background;
if (valuemask & GCForeground)
if (values->foreground == 0 || values->foreground == 1)
values->foreground = 256 + values->foreground;
}
XChangeGC(display, newGc, valuemask, values);
}
return newGc;
}
/*-
* XCreateImage
* creates an XImage structure and populates it
*/
XImage *XCreateImage(Display *display, Visual *visual,
unsigned int depth, int format, int offset,
char *data, unsigned int width,
unsigned int height, int bitmap_pad,
int bytes_per_line)
{
XImage *newImage;
if ((newImage = malloc(sizeof(XImage))) == NULL)
return NULL;
memset(newImage, 0, sizeof(XImage));
newImage->width = width;
newImage->height = height;
newImage->xoffset = offset;
newImage->format = format;
newImage->data = data;
newImage->bitmap_pad = bitmap_pad;
newImage->depth = depth;
newImage->bytes_per_line = (bytes_per_line != 0) ? bytes_per_line : (width + 7) / 8;
return newImage;
}
/*-
* XCreatePixmap
* creates a pixmap
*/
Pixmap XCreatePixmap(Display *display, Drawable d, unsigned int width,
unsigned int height, unsigned int depth)
{
Pixmap pm;
HBITMAP hBitmap;
pm = BMInfoCreate();
if (pm < 0 || pm >= NUMBER_BITMAP)
return None;
/* create the bitmap */
if ((hBitmap =
(depth == 1) ? CreateBitmap(width, height, depth, 1, NULL) :
CreateCompatibleBitmap(hdc, width, height)) == NULL)
{
bmInfo[pm].isActive = FALSE;
return None;
}
bmInfo[pm].bitmap = hBitmap;
bmInfo[pm].type = depth;
bmInfo[pm].width = width;
bmInfo[pm].height = height;
return pm;
}
/*-
* XCreatePixmapCursor
* not currently used, returns 0
*/
Cursor XCreatePixmapCursor(Display *display,
Pixmap source, Pixmap mask,
XColor *foreground_color, XColor *background_color,
unsigned int x_hot, unsigned int y_hot)
{
return None;
}
/*-
* XCreatePixmapFromBitmapData
* Creates a pixmap from bitmap data
*/
Pixmap XCreatePixmapFromBitmapData(Display *display, Drawable drawable,
char *data, unsigned int width, unsigned int height,
unsigned long fg, unsigned long bg, unsigned int depth)
{
HDC hBitmapDC;
HBITMAP hOldBitmap;
Pixmap pm;
RGBQUAD rgbQuad[2] = { 0 };
/* create the bitmap */
if ((pm = XCreateBitmapFromData(display, drawable, data, width, height)) == None)
{
return None;
}
/* if depth is 1 create the bitmap using black and white */
if (depth == 1)
{
fg = 257;
bg = 256;
}
/* set the correct colors in the color table */
rgbQuad[0].rgbRed = red[fg];
rgbQuad[0].rgbGreen = green[fg];
rgbQuad[0].rgbBlue = blue[fg];
rgbQuad[0].rgbReserved = 0;
rgbQuad[1].rgbRed = red[bg];
rgbQuad[1].rgbGreen = green[bg];
rgbQuad[1].rgbBlue = blue[bg];
rgbQuad[1].rgbReserved = 0;
/* create a DC so we can set the bitmaps colortable */
hBitmapDC = CreateCompatibleDC(hdc);
hOldBitmap = SelectObject(hBitmapDC, DrawableGetBitmap(pm));
/* set the colortable */
SetDIBColorTable(hBitmapDC, 0, 2, rgbQuad);
/* clean up */
SelectObject(hBitmapDC, hOldBitmap);
DeleteDC(hBitmapDC);
return pm;
}
/*
* XDefineCursor
* not currently used
*/
void XDefineCursor(Display *display, Window window, Cursor cursor)
{
}
/*-
* XDestroyImage
* not currently used
*/
void XDestroyImage(XImage *ximage)
{
}
/*-
* XDisableAccessControl
* not currently used
*/
void XDisableAccessControl(Display *display)
{
}
/*-
* XDrawArc
* draws an arc
*/
void XDrawArc(Display *display, Drawable d, GC gc, int x, int y,
unsigned int width, unsigned int height,
int angle1, int angle2)
{
int xa1, ya1;
int xa2, ya2;
int cx, cy;
double a1, a2;
double rx, ry;
double ang_inc = M_PI * 2.0 / 23040.0;
HDC dc;
HBITMAP hOldBitmap = NULL;
rx = width/2.0;
ry = height/2.0;
cx = x + width/2;
cy = y + height/2;
a1 = (23040 - (angle1 % 23040)) * ang_inc;
xa1 = (int)((rx * cos(a1)) + cx);
ya1 = (int)((ry * sin(a1)) + cy);
if (angle2 == 0) {
/* Special case - In X this is a point but Arc in Windows would
do a complete elipse! Draw a (thick) line instead. */
XDrawLine(display, d, gc, xa1, ya1, xa1, ya1);
} else {
a2 = (23040 - ((angle1 + angle2) % 23040)) * ang_inc;
xa2 = (int)((rx * cos(a2)) + cx);
ya2 = (int)((ry * sin(a2)) + cy);
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
Arc(dc, x, y, x + width, y + height, xa1, ya1, xa2, ya2);
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
}
/*-
* XDrawImageString
* not currently used
*/
void XDrawImageString(Display *display, Drawable d, GC gc,
int x, int y, char *string, int length)
{
}
/*-
* XDrawLine
* draws a line on the screen in the current pen color
*/
void XDrawLine(Display *display, Drawable d, GC gc,
int x1, int y1, int x2, int y2)
{
HDC dc;
HBITMAP hOldBitmap = NULL;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
MoveToEx(dc, x1, y1, NULL);
LineTo(dc, x2, y2);
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XDrawLines
* draws a series of lines on the screen. Liness may be
* specified as being (1) relative to the origin, or
* (2) relative to the previous line (with the first line
* relative to the origin).
*/
void XDrawLines(Display *display, Drawable d, GC gc,
XPoint *points, int npoints, int mode)
{
int i;
int tx, ty;
HDC dc;
HBITMAP hOldBitmap = NULL;
POINT *lppt;
BYTE *lpbTypes;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
if (npoints > 1) {
lppt = (POINT*)malloc(npoints * sizeof(POINT));
lpbTypes = (BYTE*)malloc(npoints * sizeof(BYTE));
lpbTypes[0] = PT_MOVETO;
lppt[0].x = points[0].x;
lppt[0].y = points[0].y;
if (mode == CoordModeOrigin) {
for (i=1; i<npoints; i++) {
lpbTypes[i] = PT_LINETO;
lppt[i].x = points[i].x;
lppt[i].y = points[i].y;
}
} else if (mode == CoordModePrevious) {
tx = points[0].x;
ty = points[0].y;
for (i=1; i<npoints; i++) {
tx += points[i].x;
ty += points[i].y;
lpbTypes[i] = PT_LINETO;
lppt[i].x = tx;
lppt[i].y = ty;
}
}
PolyDraw(dc, lppt, lpbTypes, npoints);
free(lppt);
free(lpbTypes);
}
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XDrawPoint
* draws a point on the screen
*/
void XDrawPoint(Display *display, Drawable d, GC gc, int x, int y)
{
HDC dc;
HBITMAP hOldBitmap = NULL;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
SetPixelV(dc, x, y, RGB(cred, cgreen, cblue));
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XDrawPoints
* draws a series of points on the screen. Points may be
* specified as being (1) relative to the origin, or
* (2) relative to the previous point (with the first point
* relative to the origin).
*/
void XDrawPoints(Display *display, Drawable d, GC gc,
XPoint *pts, int numpts, int mode)
{
int i;
int tx, ty;
HDC dc;
HBITMAP hOldBitmap = NULL;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
if (mode == CoordModeOrigin)
{
for (i=0; i<numpts; i++)
{
SetPixelV(dc, pts[i].x, pts[i].y, RGB(cred, cgreen, cblue));
}
}
else if (mode == CoordModePrevious)
{
if (numpts > 0)
{
tx = pts[0].x;
ty = pts[0].y;
SetPixelV(dc, tx, ty, RGB(cred, cgreen, cblue));
for (i=1; i<numpts; i++)
{
tx += pts[i].x;
ty += pts[i].y;
SetPixelV(dc, tx, ty, RGB(cred, cgreen, cblue));
}
}
}
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XDrawRectangle
* Draws an outline of a rectangle.
* Uses PolyDraw as Rectangle fills rectangle with brush
*/
void XDrawRectangle(Display *display, Drawable d, GC gc, int x, int y,
unsigned int width, unsigned int height)
{
BYTE lpbTypes[6];
POINT lppt[6];
HDC dc;
HBITMAP hOldBitmap = NULL;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
lpbTypes[0] = PT_MOVETO;
lppt[0].x = x, lppt[0].y = y;
lpbTypes[1] = PT_LINETO;
lppt[1].x = x + width, lppt[1].y = y;
lpbTypes[2] = PT_LINETO;
lppt[2].x = x + width, lppt[2].y = y + height;
lpbTypes[3] = PT_LINETO;
lppt[3].x = x, lppt[3].y = y + height;
lpbTypes[4] = PT_LINETO;
lppt[4].x = x, lppt[4].y = y;
/* overkill but need better closure */
lpbTypes[5] = PT_LINETO;
lppt[5].x = x + width, lppt[5].y = y;
PolyDraw(dc, lppt, lpbTypes, 6);
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XDrawSegments
* draws multiple disjoint lines. Lines do not have to be
* connected as each segment is one line.
*/
void XDrawSegments(Display *display, Drawable d, GC gc,
XSegment *segs, int numsegs)
{
int i;
HDC dc;
HBITMAP hOldBitmap = NULL;
POINT *lppt;
BYTE *lpbTypes;
int cCount = 0;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
lppt = (POINT*)malloc(numsegs * 2 * sizeof(POINT));
lpbTypes = (BYTE*)malloc(numsegs * 2 * sizeof(BYTE));
for (i=0; i<numsegs; i++) {
lpbTypes[cCount] = PT_MOVETO;
lppt[cCount].x = segs[i].x1;
lppt[cCount].y = segs[i].y1;
cCount++;
lpbTypes[cCount] = PT_LINETO;
lppt[cCount].x = segs[i].x2;
lppt[cCount].y = segs[i].y2;
cCount++;
}
PolyDraw(dc, lppt, lpbTypes, cCount);
free(lppt);
free(lpbTypes);
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XDrawString
* Draws a string of characters at specified location
*/
void XDrawString(Display *display, Drawable d, GC gc, int x, int y,
char *string, int length)
{
int prevMode;
HDC dc;
HBITMAP hOldBitmap = NULL;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
prevMode = GetBkMode(dc);
SetBkMode(dc, TRANSPARENT);
TextOut(dc, x + 3, y - 15, string, length);
SetBkMode(dc, prevMode);
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XEnableAccessControl
* not currently used
*/
void XEnableAccessControl(Display *display)
{
}
/*-
* XFillArc
* draws a filled arc on screen
*/
void XFillArc(Display *display, Drawable d, GC gc, int x, int y,
unsigned int width, unsigned int height,
int angle1, int angle2)
{
int xa1, ya1;
int xa2, ya2;
int cx, cy;
double a1, a2;
double rx, ry;
double ang_inc = M_PI * 2.0 / 23040.0;
HPEN oldPen;
HDC dc;
HBITMAP hOldBitmap = NULL;
/* set the size of the arc a little larger because
we won't be drawing a border around it */
width++;
height++;
rx = width/2.0;
ry = height/2.0;
cx = x + width/2;
cy = y + height/2;
a1 = (23040 - (angle1 % 23040)) * ang_inc;
xa1 = (int)((rx * cos(a1)) + cx);
ya1 = (int)((ry * sin(a1)) + cy);
if (angle2 == 0) {
/* Special case - In X this is a point but Arc in Windows would
do a complete elipse! Draw a (thick) line instead. */
XDrawLine(display, d, gc, cx, cy, xa1, ya1);
} else {
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
a2 = (23040 - ((angle1 + angle2) % 23040)) * ang_inc;
xa2 = (int)((rx * cos(a2)) + cx);
ya2 = (int)((ry * sin(a2)) + cy);
/* set the pen draw width to 1, and because its null it won't
use it, hence the reason we made the arc larger before */
if (noPen == NULL)
if ((noPen = CreatePen(PS_NULL, 0, RGB(0,0,0))) == NULL)
{
xlockmore_set_debug("Failed to create pen");
return;
}
oldPen = SelectObject(dc, noPen);
/* should check for a pie or chord filled arc type, but
currently assuming pie filled arc */
Pie(dc, x, y, x + width, y + height, xa1, ya1, xa2, ya2);
/* reset back and clean up */
SelectObject(dc, oldPen);
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
}
/*-
* XFillArcs
* draws a number of filled arcs on screen
*/
void XFillArcs(Display *display, Drawable d, GC gc,
XArc *arcs, int narcs)
{
int i;
int xa1, ya1;
int xa2, ya2;
int cx, cy;
double a1, a2;
double rx, ry;
const double ang_inc = M_PI * 2.0 / 23040.0;
HDC dc;
HBITMAP hOldBitmap = NULL;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
for (i=0; i<narcs; i++) {
rx = arcs[i].width/2.0;
ry = arcs[i].height/2.0;
cx = arcs[i].x + arcs[i].width/2;
cy = arcs[i].y + arcs[i].height/2;
a1 = (23040 - (arcs[i].angle1 % 23040)) * ang_inc;
xa1 = (int)((rx * cos(a1)) + cx);
ya1 = (int)((ry * sin(a1)) + cy);
if (arcs[i].angle2 == 0) {
/* Special case - In X this is a point but Arc in Windows would
do a complete elipse! Draw a (thick) line instead. */
XDrawLine(display, d, gc, cx, cy, xa1, ya1);
} else {
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
a2 = (23040 - ((arcs[i].angle1 + arcs[i].angle2) % 23040)) * ang_inc;
xa2 = (int)((rx * cos(a2)) + cx);
ya2 = (int)((ry * sin(a2)) + cy);
/* should check for a pie or chord filled arc type, but
currently assuming pie filled arc */
Pie(dc, arcs[i].x, arcs[i].y, arcs[i].x + arcs[i].width,
arcs[i].y + arcs[i].height, xa1, ya1, xa2, ya2);
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
}
}
/*-
* XFillPolygon
* draws a filled polygon on screen. Points can be specified as
* being relative to the origin, or relative to the previous
* point (with the first point relative to the origin)
*/
void XFillPolygon(Display *display, Drawable d, GC gc, XPoint *points,
int npoints, int shape, int mode)
{
int i;
int tx, ty;
POINT *pts;
HDC dc;
HBITMAP hOldBitmap = NULL;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (npoints <= 0)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
/* allocate memory */
pts = calloc(npoints, sizeof(POINT));
if (mode == CoordModeOrigin) {
for (i=0; i<npoints; i++) {
pts[i].x = points[i].x;
pts[i].y = points[i].y;
}
}
else if (mode == CoordModePrevious) {
tx = pts[0].x = points[0].x;
ty = pts[0].y = points[0].y;
for (i=1; i<npoints; i++){
tx += points[i].x;
ty += points[i].y;
pts[i].x = tx;
pts[i].y = ty;
}
}
Polygon(dc, pts, npoints);
/* free memory */
free(pts);
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XFillRectangle
* draws a filled rectangle on screen
*/
void XFillRectangle(Display *display, Drawable d, GC gc, int x, int y,
unsigned int width, unsigned int height)
{
HPEN oldPen;
HDC dc;
HBITMAP hOldBitmap = NULL;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
if (d > 0 && d < NUMBER_BITMAP)
if (bmInfo[d].isActive == TRUE)
hOldBitmap = SelectObject(dc, DrawableGetBitmap(d));
/* check if we are doing a FillStippled fill or a normal rectangle */
if (gcInfo[gc].fillStyle.hasFillStyle == TRUE &&
gcInfo[gc].fillStyle.value == FillStippled)
{
HBITMAP hOldBitmapS = NULL;
HBITMAP hStipple = NULL;
HDC hStippleDC;
int i, j;
RGBQUAD rgbQuad = { cblue, cgreen, cred, 0 };
int sHeight;
int sWidth;
/* FillStippled fill */
if ((hStipple = DrawableGetBitmap(gcInfo[gc].stipple.graphic)) == NULL)
{
xlockmore_set_debug("XFillRectangle: Failed to get stipple");
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
return;
}
sWidth = bmInfo[gcInfo[gc].stipple.graphic].width;
sHeight = bmInfo[gcInfo[gc].stipple.graphic].height;
if ((hStippleDC = CreateCompatibleDC(hdc)) == NULL)
{
xlockmore_set_debug("XFillRectangle: Failed to create stipple DC");
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
return;
}
hOldBitmapS = SelectObject(hStippleDC, hStipple);
/* set the correct color table */
SetDIBColorTable(hStippleDC, 0, 1, &rgbQuad);
for (i=y; i<y+height; i+=sHeight)
for (j=x; j<x+width; j+=sWidth)
if (MaskBlt(dc, j, i, sWidth, sHeight, hStippleDC, 0, 0, hStipple, 0, 0,
MAKEROP4(0x00AA0029, SRCCOPY)) == 0)
xlockmore_set_debug("XFillRectangle: MaskBlt() failed");
/* clean up */
if (hOldBitmapS)
SelectObject(hStippleDC, hOldBitmapS);
DeleteDC(hStippleDC);
}
else
{
/* normal rectangle */
if (width == 1 && height == 1)
{
SetPixelV(dc, x, y, RGB(cred, cgreen, cblue));
}
else
{
if (noPen == NULL)
if ((noPen = CreatePen(PS_NULL, 0, RGB(0,0,0))) == NULL)
{
xlockmore_set_debug("XFillRectangle: Failed to create pen");
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
return;
}
oldPen = SelectObject(dc, noPen);
Rectangle(dc, x, y, x + width + 1, y + height + 1);
SelectObject(dc, oldPen);
}
}
if (hOldBitmap)
SelectObject(dc, hOldBitmap);
}
/*-
* XFillRectangles
* draws a number of filled rectangles on screen
*/
void XFillRectangles(Display *display, Drawable d, GC gc,
XRectangle *rectangles, int nrectangles)
{
int i;
for (i=0; i<nrectangles; i++) {
XFillRectangle(display, d, gc, rectangles[i].x, rectangles[i].y,
rectangles[i].width, rectangles[i].height);
}
}
/*-
* XFlush
* not currently used
*/
void XFlush(Display *display)
{
}
/*-
* XFree
* not currently used
*/
void XFree(void *data)
{
}
/*-
* XFreeColormap
* not currently used
*/
void XFreeColormap(Display *display, Colormap colormap)
{
}
/*-
* XFreeColors
* not currently used
*/
void XFreeColors(Display *display, Colormap colormap,
unsigned long pixels[], int npixels,
unsigned long planes)
{
}
/*-
* XFreeCursor
* not currently used
*/
void XFreeCursor(Display *display, Cursor cursor)
{
}
/*-
* XFreeFont
* not currently used
*/
int XFreeFont(Display *display, XFontStruct *font_struct)
{
return 0;
}
/*-
* XFreeFontInfo
* not currently used
*/
int XFreeFontInfo(char** names, XFontStruct* free_info, int actual_count)
{
return 0;
}
/*-
* XFreeGC
* Free the memory for a GC (HDC)
*/
void XFreeGC(Display *display, GC gc)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
gcInfo[gc].isActive = FALSE;
}
/*-
* XFreePixmap
* Free the memory allocated to a pixmap
*/
void XFreePixmap(Display *display, Pixmap pixmap)
{
if (pixmap < 0 || pixmap >= NUMBER_BITMAP)
return;
if (bmInfo[pixmap].isActive == FALSE)
return;
if (bmInfo[pixmap].bitmap != NULL)
{
DeleteObject(bmInfo[pixmap].bitmap);
bmInfo[pixmap].isActive = FALSE;
bmInfo[pixmap].bitmap = NULL;
bmInfo[pixmap].width = 0;
bmInfo[pixmap].height = 0;
}
}
/*-
* XGetGCValues
* not currently used
*/
Status XGetGCValues(Display* display, GC gc,
unsigned long valuemask, XGCValues* values_return)
{
return None;
}
/*-
* XGContextFromGC
* not currently used
*/
GContext XGContextFromGC(GC gc)
{
return None;
}
/*-
* XGetVisualInfo
* not currently used
*/
XVisualInfo *XGetVisualInfo(Display *display, long vinfo_mask,
XVisualInfo *vinfo_template,
int *nitems_return)
{
return NULL;
}
/*-
* XGetWindowAttributes
* retrieves info about the window
*/
Status XGetWindowAttributes(Display *display, Window w,
XWindowAttributes *window_attr_return)
{
memset(window_attr_return, 0, sizeof(XWindowAttributes));
window_attr_return->width = rc.right;
window_attr_return->height = rc.bottom;
window_attr_return->depth = 8; /* incorrect, but we'll set it to 8 */
window_attr_return->root = (int)hwnd;
return 0;
}
/*-
* XGrabKeyboard
* not currently used
*/
int XGrabKeyboard(Display *display, Window grab_window,
Bool owner_events, int pointer_mode,
int keyboard_mode, Time time)
{
return 0;
}
/*-
* XGrabPointer
* not currently used
*/
int XGrabPointer(Display *display, Window grab_window, Bool owner_events,
unsigned int event_mask, int pointer_mode,
int keyboard_mode, Window confine_to, Cursor cursor,
Time time)
{
return 0;
}
/*-
* XGrabServer
* not currently used
*/
void XGrabServer(Display *display)
{
}
/*-
* XInstallColormap
* not currently used
*/
void XInstallColormap(Display *display, Colormap colormap)
{
}
/*-
* XListHosts
* not currently used, returns NULL
*/
XHostAddress *XListHosts(Display *display, int *nhosts_return,
Bool *state_return)
{
return NULL;
}
/*-
* XLoadQueryFont
* not currently used
*/
XFontStruct *XLoadQueryFont(Display *display, char *name)
{
static XFontStruct fontStruct = { 0 };
return &fontStruct;
}
/*-
* XLookupString
* not currently used
*/
int XLookupString(XKeyEvent *event_struct, char *buffer_return,
int bytes_buffer, KeySym *keysym_return,
XComposeStatus *status_in_out)
{
return 0;
}
/*-
* XMapWindow
* not currently used
*/
void XMapWindow(Display *display, Window w)
{
}
/*-
* XNextEvent
* not currently used
*/
void XNextEvent(Display *display, XEvent *event_return)
{
}
/*-
* XOpenDisplay
* not currently used
*/
Display *XOpenDisplay(char *display_name)
{
return NULL;
}
/*-
* XParseColor
* not currently used
*/
Status XParseColor(Display *display, Colormap colormap,
char *spec, XColor *exact_def_return)
{
return 0;
}
/*-
* XPending
* not currently used, return 0
*/
int XPending(Display *display)
{
return 0;
}
/*-
* XPutBackEvent
* not currently used
*/
void XPutBackEvent(Display *display, XEvent *event)
{
}
/*-
* XPutImage
* Draw an image in screen
*/
void XPutImage(Display *display, Drawable d, GC gc, XImage *image, int src_x,
int src_y, int dest_x, int dest_y, unsigned int width,
unsigned int height)
{
HDC hBitmapDC;
HBITMAP hOldBitmap;
HBITMAP hBitmap;
HPALETTE hPalette;
RGBQUAD rgbQuad = { 0, 0, 0, 0 };
HDC dc;
if ((dc = GCGetDC(d, gc)) == NULL)
return;
/* set the color table for the bitmap */
rgbQuad.rgbRed = cred;
rgbQuad.rgbGreen = cgreen;
rgbQuad.rgbBlue = cblue;
if (image->format == XYBitmap)
{
if (image->depth != 1)
return;
if ((hBitmapDC = CreateCompatibleDC(dc)) == NULL)
return;
LCreateBitmap(image, &hBitmap, &hPalette);
DeleteObject(hPalette); /* we don't need the palette */
if (hBitmap == NULL)
{
DeleteObject(hBitmap);
DeleteDC(hBitmapDC);
return;
}
if ((hOldBitmap = (HBITMAP)SelectObject(hBitmapDC, hBitmap)) == NULL)
{
DeleteObject(hBitmap);
DeleteDC(hBitmapDC);
return;
}
/* set the correct color table */
SetDIBColorTable(hBitmapDC, 0, 1, &rgbQuad);
BitBlt(dc, dest_x, dest_y, width, height, hBitmapDC,
src_x, src_y, SRCCOPY);
SelectObject(hBitmapDC, hOldBitmap);
DeleteObject(hBitmap);
DeleteDC(hBitmapDC);
}
}
/*-
* XPutPixel
* Set a pixels color value on an image
*
* NOTE: I'm not sure what this function returns. The header files
* under cygwin says it should return int, but some references out
* on the web indicate void. I've used int, and it returns 0 if
* it fails, otherwise 1
*/
int XPutPixel(XImage *ximage, int x, int y, unsigned long pixel)
{
int pos = 0;
unsigned long val = 0;
/* check ximage points to an image */
if (ximage == NULL)
{
return 0;
}
/* check x & y are within range */
if ((x < 0 || x > ximage->width - 1) ||
(y < 0 || y > ximage->height - 1))
{
return 0;
}
/* only support images of bit depth 1 or > 8 */
if (ximage->depth == 1)
{
int byte_pos = 0;
int oldval = 0;
int i = 0;
pos = (ximage->bytes_per_line * y) + (x / 8);
byte_pos = x % 8;
oldval = ximage->data[pos];
for (i=0; i<8; i++)
{
val <<= 1;
val = (val & 0xFE) + ((byte_pos != i) ? oldval >> i : pixel) & 0x01;
}
}
else
{
pos = (ximage->width * y) + x;
val = pixel;
}
ximage->data[pos] = val;
return 1;
}
/*-
* XQueryColor
* not currently used
*/
void XQueryColor(Display *display, Colormap colormap, XColor *def_in_out)
{
}
/*-
* XQueryFont
* not currently used
*/
XFontStruct *XQueryFont(Display* display, XID font_ID)
{
static XFontStruct dummy;
return &dummy;
}
/*-
* XQueryPointer
* not currently used
*/
Bool XQueryPointer(Display *display, Window w, Window *root_return,
Window *child_return, int *root_x_return, int *root_y_return,
int *win_x_return, int *win_y_return,
unsigned int *mask_return)
{
return FALSE;
}
/*-
* XQueryTree
* not currently used
*/
Status XQueryTree(Display *display, Window w, Window *root_return,
Window *parent_return, Window **children_return,
unsigned int *nchildren_return)
{
return 0;
}
/*-
* XRaiseWindow
* not currently used
*/
void XRaiseWindow(Display *display, Window w)
{
}
/*-
* XReadBitmapFile
* not currently used
*/
int XReadBitmapFile(Display *display, Drawable d, char *filename,
unsigned int *width_return, unsigned int *height_return,
Pixmap *bitmap_return, int *x_hot_return, int *y_hot_return)
{
char *data;
unsigned int height;
int rv;
unsigned int width;
/* TODO: implement me */
return BitmapOpenFailed;
/* read the file into data structure */
/* create the bitmap */
if ((*bitmap_return = XCreateBitmapFromData(display, d, data, width, height)) != None)
{
*width_return = width;
*height_return = height;
/* TODO:: hot spot */
*x_hot_return = -1;
*y_hot_return = -1;
rv = BitmapSuccess;
}
else
rv = BitmapFileInvalid;
return rv;
}
/*-
* XRemoveHosts
* not currently used
*/
void XRemoveHosts(Display *display, XHostAddress *hosts, int num_hosts)
{
}
/*-
* XResourceManagerString
* not currently used, return NULL
*/
char *XResourceManagerString(Display *display)
{
return NULL;
}
/*-
* XrmDestroyDatabase
* not currently used
*/
void XrmDestroyDatabase(XrmDatabase database)
{
}
/*-
* XrmGetFileDatabase
* not currently used, return NULL
*/
XrmDatabase XrmGetFileDatabase(char *filename)
{
return NULL;
}
/*-
* XrmGetResource
* not currently used, return True
*/
Bool XrmGetResource(XrmDatabase database, char *str_name,
char *str_class, char **str_type_return,
XrmValue *value_return)
{
return True;
}
/*-
* XrmGetFileDatabase
* not currently used, return NULL
*/
XrmDatabase XrmGetStringDatabase(char *data)
{
return NULL;
}
/*-
* XrmInitialize
* not currently used
*/
void XrmInitialize(void)
{
}
/*-
* XrmMergeDatabases
* not currently used
*/
void XrmMergeDatabases(XrmDatabase source_db, XrmDatabase *target_db)
{
}
/*-
* XrmParseCommand
* not currently used
*/
void XrmParseCommand(XrmDatabase *database, XrmOptionDescList table,
int table_count, char *name, int *argc_in_out,
char **argv_in_out)
{
}
/*-
* XSetBackground
* sets the background color of pens, shapes, etc
*/
void XSetBackground(Display *display, GC gc, unsigned long background)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
/* check that the background is in range */
if (background > (NUMCOLORS+1))
gcInfo[gc].color.background = NUMCOLORS-1;
else
gcInfo[gc].color.background = background;
}
}
/*-
* XSetFillRule
* sets the fill rule
*/
void XSetFillRule(Display *display, GC gc, int fill_rule)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
gcInfo[gc].fillRule.hasFillRule = TRUE;
gcInfo[gc].fillRule.value = fill_rule;
}
}
/*-
* XSetFillStyle
* sets the fill style
*/
void XSetFillStyle(Display *display, GC gc, int fill_style)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
gcInfo[gc].fillStyle.hasFillStyle = TRUE;
gcInfo[gc].fillStyle.value = fill_style;
}
}
/*-
* XSetFont
* sets the font to be used for text
*/
void XSetFont(Display *display, GC gc, Font font)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
gcInfo[gc].font.hasFont = TRUE;
gcInfo[gc].font.value = font;
}
}
/*-
* XSetForeground
* sets the color of the current color, forground pen and
* brush
*/
void XSetForeground(Display *display, GC gc, unsigned long foreground)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
/* check that the foreground is in range */
if (foreground > (NUMCOLORS+1))
gcInfo[gc].color.foreground = NUMCOLORS-1;
else
gcInfo[gc].color.foreground = foreground;
}
}
/*-
* XSetFunction
* sets the logical operation applied between source pixel
* and destination pixel
* Not fully implemented yet.
*/
void XSetFunction(Display *display, GC gc, int function)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
gcInfo[gc].function.hasFunction = TRUE;
gcInfo[gc].function.value = function;
}
}
/*-
* XSetGraphicsExposures
* Not implemented yet.
*/
int XSetGraphicsExposures(Display *display, GC gc, Bool graphics_exposures)
{
return 0;
}
/*-
* XSetLineAttributes
* creates a new pen that has the attributes given
*/
void XSetLineAttributes(Display *display, GC gc,
unsigned int line_width, int line_style,
int cap_style, int join_style)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
gcInfo[gc].lineAttributes.hasLineAttributes = TRUE;
gcInfo[gc].lineAttributes.width = line_width;
gcInfo[gc].lineAttributes.lineStyle = line_style;
gcInfo[gc].lineAttributes.capStyle = cap_style;
gcInfo[gc].lineAttributes.joinStyle = join_style;
}
}
/*-
* XSetScreenSaver
* not currently used
*/
void XSetScreenSaver(Display *display, int timeout, int interval,
int prefer_blanking, int allow_exposures)
{
}
/*-
* XSetStipple
* Set the stipple for filled objects
*/
void XSetStipple(Display *display, GC gc, Pixmap stipple)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
gcInfo[gc].stipple.hasStipple = TRUE;
gcInfo[gc].stipple.graphic = stipple;
}
}
/*-
* XSetTSOrigin
* Set the tile or stipple origin
*/
void XSetTSOrigin(Display *display, GC gc, int ts_x_origin, int ts_y_origin)
{
if (gc >= 0 && gc < numGCInfo && gcInfo[gc].isActive == TRUE)
{
gcInfo[gc].needsReset = TRUE;
gcInfo[gc].tsorigin.hasOrigin = TRUE;
gcInfo[gc].tsorigin.x = ts_x_origin;
gcInfo[gc].tsorigin.y = ts_y_origin;
}
}
/*-
* XSetWindowColormap
* not currently used
*/
void XSetWindowColormap(Display *display, Window w, Colormap colormap)
{
}
/*-
* XSetWMName
* not currently used
*/
void XSetWMName(Display *display, Window w, XTextProperty *text_prop)
{
}
/*-
* XStoreColors
* not currently used
*/
void XStoreColors(Display *display, Colormap colormap, XColor color[],
int ncolors)
{
}
/*-
* XStringListToTextProperty
* not currently used
*/
Status XStringListToTextProperty(char **list, int count,
XTextProperty *text_prop_return)
{
return 0;
}
/*-
* XSync
* not currently used
*/
void XSync(Display *display, Bool discard)
{
}
/*-
* XTextWidth
* not currently used, returns 0
*/
int XTextWidth(XFontStruct *font_struct, char *string, int count)
{
return 0;
}
/*-
* XTranslateCoordinates
* Simple implementation ignores source and destination and just
* reports position of global hdc relative to the screen.
*/
Bool XTranslateCoordinates(Display* display, Window src_w, Window dest_w,
int src_x, int src_y,
int* dest_x_return, int* dest_y_return,
Window* child_return)
{
POINT p;
/* use global hdc */
if (GetDCOrgEx(hdc, &p)) {
*dest_x_return = p.x + src_x;
*dest_y_return = p.y + src_y;
} else {
*dest_x_return = src_x;
*dest_y_return = src_y;
}
*child_return = None;
return 1;
}
/*-
* XUngrabKeyboard
* not currently used
*/
void XUngrabKeyboard(Display *display, Time time)
{
}
/*-
* XUngrabPointer
* not currently used
*/
void XUngrabPointer(Display *display, Time time)
{
}
/*-
* XUngrabServer
* not currently used
*/
void XUngrabServer(Display *display)
{
}
/*-
* XUnmapWindow
* not currently used
*/
void XUnmapWindow(Display *display, Window w)
{
}
#endif /* WIN32 */
/* -------------------------------------------------------------------- */
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