BOOL GUIAPI SetColorfulPalette (HDC hdc)
{
PDC pdc;
GAL_Color pal[256];
pdc = dc_HDC2PDC (hdc);
if (pdc->surface->format->BitsPerPixel == 8) {
GAL_DitherColors (pal, 8);
GAL_SetColors (pdc->surface, pal, 0, 256);
}
return FALSE;
}
void GUIAPI SetPixelRGB(HDC hdc, int x, int y, int r, int g, int b)
{
PDC pdc;
PCLIPRECT pClipRect;
RECT rcOutput;
gal_pixel pixel;
GAL_Color color;
pdc = dc_HDC2PDC (hdc);
if (dc_IsGeneralHDC(hdc)) {
pthread_mutex_lock (&pdc->pGCRInfo->lock);
if (!dc_GenerateECRgn (pdc, FALSE)) {
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
return;
}
}
coor_LP2SP (pdc, &x, &y);
rcOutput.left = x - 1;
rcOutput.top = y - 1;
rcOutput.right = x + 1;
rcOutput.bottom = y + 1;
pthread_mutex_lock (&__mg_gdilock);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(FALSE, &rcOutput);
// set graphics context.
GAL_SetGC (pdc->gc);
color.r = r; color.g = g, color.b = b;
pixel = GAL_MapColor (pdc->gc, &color);
GAL_SetFgColor (pdc->gc, pixel);
pClipRect = pdc->ecrgn.head;
while (pClipRect)
{
if(PtInRect(&(pClipRect->rc), x, y)) {
GAL_DrawPixel (pdc->gc, x, y, pixel);
break;
}
pClipRect = pClipRect->next;
}
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(TRUE, &rcOutput);
pthread_mutex_unlock(&__mg_gdilock);
if (dc_IsGeneralHDC(hdc)) pthread_mutex_unlock (&pdc->pGCRInfo->lock);
}
int GUIAPI GetMaxFontWidth (HDC hdc)
{
PDC pdc = dc_HDC2PDC(hdc);
DEVFONT* sbc_devfont = pdc->pLogFont->sbc_devfont;
DEVFONT* mbc_devfont = pdc->pLogFont->mbc_devfont;
int sbc_max_width = (*sbc_devfont->font_ops->get_max_width)
(pdc->pLogFont, sbc_devfont);
int mbc_max_width = 0;
if (mbc_devfont)
mbc_max_width = (*mbc_devfont->font_ops->get_max_width)
(pdc->pLogFont, mbc_devfont);
return (sbc_max_width > mbc_max_width) ? sbc_max_width : mbc_max_width;
}
/************************ Circle and Rectangle *******************************/
void GUIAPI Circle(HDC hdc, int x, int y, int r)
{
PCLIPRECT pClipRect;
PDC pdc;
RECT rcOutput;
pdc = dc_HDC2PDC(hdc);
if (dc_IsGeneralHDC(hdc)) {
pthread_mutex_lock (&pdc->pGCRInfo->lock);
if (!dc_GenerateECRgn (pdc, FALSE)) {
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
return;
}
}
// Transfer logical to device to screen here.
coor_LP2SP(pdc, &x, &y);
rcOutput.left = x - r;
rcOutput.top = y - r;
rcOutput.right = x + r + 1;
rcOutput.bottom = y + r + 1;
pthread_mutex_lock (&__mg_gdilock);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(FALSE, &rcOutput);
// set graphics context.
GAL_SetGC (pdc->gc);
GAL_SetFgColor (pdc->gc, pdc->pencolor);
pClipRect = pdc->ecrgn.head;
while(pClipRect)
{
if (DoesIntersect (&rcOutput, &pClipRect->rc)) {
GAL_SetClipping (pdc->gc, pClipRect->rc.left, pClipRect->rc.top,
pClipRect->rc.right -1 , pClipRect->rc.bottom - 1);
GAL_Circle (pdc->gc, x, y, r, pdc->pencolor);
}
pClipRect = pClipRect->next;
}
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(TRUE, &rcOutput);
pthread_mutex_unlock(&__mg_gdilock);
if (dc_IsGeneralHDC(hdc)) pthread_mutex_unlock (&pdc->pGCRInfo->lock);
}
void GUIAPI DPtoLP (HDC hdc, POINT* pPt)
{
PDC pdc;
pdc = dc_HDC2PDC (hdc);
if (pdc->mapmode != MM_TEXT) {
pPt->x = (pPt->x - pdc->ViewOrig.x)
* pdc->WindowExtent.x / pdc->ViewExtent.x
+ pdc->WindowOrig.x;
pPt->y = (pPt->y - pdc->ViewOrig.y)
* pdc->WindowExtent.y / pdc->ViewExtent.y
+ pdc->WindowOrig.y;
}
}
/*
* Function: DeleteCompatibleDC (HDC hdc)
* This function delete the memory DC, and free the associated memory.
* Parameters:
* HDC hdc: the DC handle want to delete.
* Return:
* FALSE: the specified HDC is not a valid memory DC.
* TRUE: deleted.
*/
void GUIAPI DeleteCompatibleDC(HDC hdc)
{
PDC pMemDC;
pMemDC = dc_HDC2PDC(hdc);
// free gl resource
GAL_FreeGC (pMemDC->gc);
// free clip region info
EmptyClipRgn (&pMemDC->lcrgn);
EmptyClipRgn (&pMemDC->ecrgn);
// free DC slot
free (pMemDC);
}
BOOL GUIAPI GetPalette (HDC hdc, int start, int len, GAL_Color* cmap)
{
PDC pdc;
GAL_Palette* pal;
pdc = dc_HDC2PDC (hdc);
pal = pdc->surface->format->palette;
if (pal && ((start + len) <= pal->ncolors)) {
memcpy (cmap, pal->colors + start, sizeof (GAL_Color) * len);
return TRUE;
}
return FALSE;
}
gal_pixel GUIAPI GetPixel(HDC hdc, int x, int y)
{
PDC pdc;
PCLIPRECT pClipRect;
int color = 0;
RECT rcOutput;
pdc = dc_HDC2PDC(hdc);
if (dc_IsGeneralHDC(hdc)) {
pthread_mutex_lock (&pdc->pGCRInfo->lock);
if (!dc_GenerateECRgn (pdc, FALSE)) {
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
return PIXEL_invalid;
}
}
coor_LP2SP (pdc, &x, &y);
rcOutput.left = x - 1;
rcOutput.top = y - 1;
rcOutput.right = x + 1;
rcOutput.bottom = y + 1;
pthread_mutex_lock (&__mg_gdilock);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if (!dc_IsMemHDC (hdc)) ShowCursorForGDI (FALSE, &rcOutput);
// set graphics context.
GAL_SetGC (pdc->gc);
pClipRect = pdc->ecrgn.head;
while(pClipRect)
{
if(PtInRect(&(pClipRect->rc), x, y)) {
GAL_GetPixel (pdc->gc, x, y, &color);
break;
}
pClipRect = pClipRect->next;
}
if (!dc_IsMemHDC (hdc)) ShowCursorForGDI (TRUE, &rcOutput);
pthread_mutex_unlock(&__mg_gdilock);
if (dc_IsGeneralHDC(hdc)) pthread_mutex_unlock (&pdc->pGCRInfo->lock);
return color;
}
/****************************** Bitmap Support *******************************/
void GUIAPI FillBox (HDC hdc, int x, int y, int w, int h)
{
PCLIPRECT pClipRect;
PDC pdc;
RECT rcOutput;
pdc = dc_HDC2PDC(hdc);
if (dc_IsGeneralHDC(hdc)) {
if (!dc_GenerateECRgn (pdc, FALSE)) {
return;
}
}
// Transfer logical to device to screen here.
w += x; h += y;
coor_LP2SP(pdc, &x, &y);
coor_LP2SP(pdc, &w, &h);
rcOutput.left = x;
rcOutput.top = y;
rcOutput.right = w;
rcOutput.bottom = h;
NormalizeRect (&rcOutput);
w = RECTW (rcOutput); h = RECTH (rcOutput);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(FALSE, &rcOutput);
// set graphics context.
GAL_SetGC (pdc->gc);
GAL_SetFgColor (pdc->gc, pdc->brushcolor);
pClipRect = pdc->ecrgn.head;
while(pClipRect)
{
if (DoesIntersect (&rcOutput, &pClipRect->rc)) {
GAL_SetClipping(pdc->gc, pClipRect->rc.left, pClipRect->rc.top,
pClipRect->rc.right - 1, pClipRect->rc.bottom - 1);
GAL_FillBox (pdc->gc, x, y, w, h, pdc->brushcolor);
}
pClipRect = pClipRect->next;
}
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(TRUE, &rcOutput);
}
gal_pixel GUIAPI RGB2Pixel (HDC hdc, int r, int g, int b)
{
PDC pdc;
gal_pixel pixel;
GAL_Color color = {r, g, b};
pdc = dc_HDC2PDC (hdc);
pthread_mutex_lock (&__mg_gdilock);
GAL_SetGC (pdc->gc);
pixel = GAL_MapColor (pdc->gc, &color);
pthread_mutex_unlock (&__mg_gdilock);
return pixel;
}
/*
* Function: int GUIAPI GetGDCapability( int iItem)
* This Function return DC parameters.
* Parameters:
* The element want to retrive.
* Return:
* The parameter.
*/
unsigned int GUIAPI GetGDCapability (HDC hdc, int iItem )
{
PDC pdc;
unsigned int iret = 0xFFFFFFFF;
pdc = dc_HDC2PDC (hdc);
pthread_mutex_lock (&__mg_gdilock);
// set graphics context.
GAL_SetGC (pdc->gc);
switch (iItem)
{
case GDCAP_DEPTH:
iret = GAL_BitsPerPixel (pdc->gc);
break;
case GDCAP_BPP:
iret = GAL_BytesPerPixel (pdc->gc);
break;
case GDCAP_COLORNUM:
iret = GAL_Colors (pdc->gc);
break;
case GDCAP_HPIXEL:
iret = GAL_Width (pdc->gc);
break;
case GDCAP_VPIXEL:
iret = GAL_Height (pdc->gc);
break;
case GDCAP_MAXX:
iret = GAL_Width (pdc->gc) - 1;
break;
case GDCAP_MAXY:
iret = GAL_Height (pdc->gc) - 1;
break;
}
pthread_mutex_unlock(&__mg_gdilock);
return iret;
}
void ScreenCopy (int sx, int sy, HDC hdc, int dx, int dy)
{
PCLIPRECT pClipRect;
PDC pdc;
int offx, offy;
int boxLeft, boxTop, boxWidth, boxHeight;
RECT* prc;
pdc = dc_HDC2PDC(hdc);
if (dc_IsGeneralHDC(hdc)) {
if (!dc_GenerateECRgn (pdc, FALSE)) {
return;
}
}
else
return;
coor_LP2SP(pdc, &dx, &dy);
offx = sx - dx;
offy = sy - dy;
ShowCursorForGDI(FALSE, &g_rcScr);
GAL_SetGC (PHYSICALGC);
GAL_DisableClipping (pdc->gc);
pClipRect = pdc->ecrgn.head;
while (pClipRect)
{
prc = &pClipRect->rc;
boxLeft = prc->left + offx;
boxTop = prc->top + offy;
boxWidth = prc->right - prc->left;
boxHeight = prc->bottom - prc->top;
GAL_CopyBox (pdc->gc, boxLeft, boxTop, boxWidth, boxHeight, prc->left, prc->top);
pClipRect = pClipRect->next;
}
ShowCursorForGDI(TRUE, &g_rcScr);
}
/******************* General drawing attributes *******************************/
Uint32 GUIAPI GetDCAttr (HDC hdc, int attr)
{
PDC pdc;
pdc = dc_HDC2PDC (hdc);
#if 1
if (attr < NR_DC_ATTRS && attr >= 0) {
Uint32* attrs = (Uint32*) (&pdc->bkcolor);
return attrs [attr];
}
#else
switch (attr) {
case DC_ATTR_BK_COLOR:
return (Uint32) pdc->bkcolor;
case DC_ATTR_BK_MODE:
return (Uint32) pdc->bkmode;
case DC_ATTR_TEXT_COLOR:
return (Uint32) pdc->textcolor;
case DC_ATTR_TAB_STOP:
return (Uint32) pdc->tabstop;
case DC_ATTR_PEN_COLOR:
return (Uint32) pdc->pencolor;
case DC_ATTR_BRUSH_COLOR:
return (Uint32) pdc->brushcolor;
case DC_ATTR_PEN_TYPE:
return (Uint32) pdc->pentype;
case DC_ATTR_BRUSH_TYPE:
return (Uint32) pdc->brushtype;
case DC_ATTR_CHAR_EXTRA:
return (Uint32) pdc->cExtra;
case DC_ATTR_ALINE_EXTRA:
return (Uint32) pdc->alExtra;
case DC_ATTR_BLINE_EXTRA:
return (Uint32) pdc->blExtra;
case DC_ATTR_MAP_MODE:
return (Uint32) pdc->mapmode;
}
#endif
return 0;
}
/*
* Function: void GUIAPI ReleaseDC(HDC hDC)
* This function release the specified DC.
* Parameter:
* HDC hDC: The DC handle want to release.
* Return:
* None.
*/
void GUIAPI ReleaseDC (HDC hDC)
{
PMAINWIN pWin;
PDC pdc;
PCONTROL pCtrl;
pdc = dc_HDC2PDC(hDC);
EmptyClipRgn (&pdc->lcrgn);
pWin = (PMAINWIN)(pdc->hwnd);
if (pWin && pWin->privCDC == hDC) {
/* for private DC, we reset the clip region info. */
pthread_mutex_lock (&pdc->pGCRInfo->lock);
pdc->oldage = pdc->pGCRInfo->age;
ClipRgnCopy (&pdc->ecrgn, &pdc->pGCRInfo->crgn);
if (pdc->bIsClient)
WndClientRect (pdc->hwnd, &pdc->DevRC);
else
WndRect (pdc->hwnd, &pdc->DevRC);
IntersectClipRect (&pdc->ecrgn, &pdc->DevRC);
pCtrl = Control (pdc->hwnd);
if (pCtrl && !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN))
RestrictControlECRGN (&pdc->ecrgn, pCtrl);
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
}
else {
EmptyClipRgn (&pdc->ecrgn);
pdc->pGCRInfo = NULL;
pdc->oldage = 0;
pthread_mutex_lock (&dcslot);
pdc->inuse = FALSE;
pthread_mutex_unlock(&dcslot);
}
}
/*
* Function: HDC GUIAPI CreateCompatibleDC (HDC hdc)
* This function create a memory dc, which is compatible
* with specified hdc.
* Parameters:
* HDC hdc: the specified DC handle.
* Return:
* None.
*/
HDC GUIAPI CreateCompatibleDC(HDC hdc)
{
GAL_GC gc;
PDC pdc;
PDC pMemDC = NULL;
pdc = dc_HDC2PDC(hdc);
if (!(pMemDC = malloc (sizeof(DC)))) return HDC_INVALID;
pthread_mutex_lock (&__mg_gdilock);
if (GAL_AllocateGC (pdc->gc, RECTW (pdc->DevRC), RECTH (pdc->DevRC),
GAL_BytesPerPixel (pdc->gc), &gc) != 0) {
pthread_mutex_unlock (&__mg_gdilock);
return HDC_INVALID;
}
pthread_mutex_unlock (&__mg_gdilock);
memcpy (pMemDC, pdc, sizeof(DC));
pMemDC->DataType = TYPE_HDC;
pMemDC->DCType = TYPE_MEMDC;
pMemDC->inuse = TRUE;
pMemDC->gc = gc;
// clip region info
InitClipRgn (&pMemDC->lcrgn, &sg_FreeClipRectList);
InitClipRgn (&pMemDC->ecrgn, &sg_FreeClipRectList);
pMemDC->pGCRInfo = NULL;
pMemDC->oldage = 0;
pMemDC->DevRC.left = 0;
pMemDC->DevRC.top = 0;
pMemDC->DevRC.right = RECTW(pdc->DevRC);
pMemDC->DevRC.bottom = RECTH(pdc->DevRC);
SetClipRgn (&pMemDC->ecrgn, &pMemDC->DevRC);
return (HDC)pMemDC;
}
int GUIAPI GetFontHeight (HDC hdc)
{
PDC pdc = dc_HDC2PDC(hdc);
return pdc->pLogFont->size;
}
void GUIAPI DrawIcon(HDC hdc, int x, int y, int w, int h, HICON hicon)
{
PCLIPRECT pClipRect;
PDC pdc;
PICON picon = (PICON)hicon;
int i;
int imagesize;
BYTE* iconimage;
BYTE* andbits = NULL;
BYTE* xorbits = NULL;
RECT rcOutput;
pdc = dc_HDC2PDC(hdc);
if (dc_IsGeneralHDC(hdc)) {
if (!dc_GenerateECRgn (pdc, FALSE)) {
return;
}
}
if(w <= 0) w = picon->width;
if(h <= 0) h = picon->height;
// Transfer logical to device to screen here.
w += x;
h += y;
coor_LP2SP(pdc, &x, &y);
coor_LP2SP(pdc, &w, &h);
rcOutput.left = x;
rcOutput.top = y;
rcOutput.right = w;
rcOutput.bottom = h;
NormalizeRect (&rcOutput);
w = RECTW (rcOutput);
h = RECTH (rcOutput);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(FALSE, &rcOutput);
GAL_SetGC (pdc->gc);
imagesize = w * h * GAL_BytesPerPixel (pdc->gc);
if ((iconimage = malloc (imagesize)) == NULL)
goto free_ret;
if (w != picon->width || h != picon->height) {
andbits = malloc (imagesize);
xorbits = malloc (imagesize);
if (andbits == NULL || xorbits == NULL)
goto free_ret;
GAL_ScaleBox (pdc->gc, picon->width, picon->height, picon->AndBits, w, h, andbits);
GAL_ScaleBox (pdc->gc, picon->width, picon->height, picon->XorBits, w, h, xorbits);
}
else {
andbits = picon->AndBits;
xorbits = picon->XorBits;
}
GAL_GetBox (pdc->gc, x, y, w, h, iconimage);
for(i = 0; i < imagesize; i++) {
iconimage[i] &= andbits [i];
iconimage[i] ^= xorbits [i];
}
pClipRect = pdc->ecrgn.head;
while (pClipRect) {
if (DoesIntersect (&rcOutput, &pClipRect->rc)) {
GAL_SetClipping(pdc->gc, pClipRect->rc.left, pClipRect->rc.top,
pClipRect->rc.right - 1, pClipRect->rc.bottom - 1);
GAL_PutBox(pdc->gc, x, y, w, h, iconimage);
}
pClipRect = pClipRect->next;
}
free_ret:
if (!dc_IsMemHDC(hdc)) ShowCursorForGDI (TRUE, &rcOutput);
free (iconimage);
if (w != picon->width || h != picon->height) {
free (andbits);
free (xorbits);
}
}
BOOL GUIAPI FillBoxWithBitmapPart (HDC hdc, int x, int y, int w, int h,
int bw, int bh, const BITMAP* pBitmap, int xo, int yo)
{
PCLIPRECT pClipRect;
PDC pdc;
void* scaledBitmap = NULL;
void* partBitmap = NULL;
int sw = pBitmap->bmWidth, sh = pBitmap->bmHeight;
RECT rcOutput;
int bpp;
if (pBitmap->bmWidth <= 0 || pBitmap->bmHeight <= 0 || pBitmap->bmBits == NULL)
return FALSE;
pdc = dc_HDC2PDC(hdc);
bpp = GAL_BytesPerPixel (pdc->gc);
if (dc_IsGeneralHDC(hdc)) {
if (!dc_GenerateECRgn (pdc, FALSE)) {
return TRUE;
}
}
// Transfer logical to device to screen here.
w += x; h += y;
coor_LP2SP(pdc, &x, &y);
coor_LP2SP(pdc, &w, &h);
rcOutput.left = x;
rcOutput.top = y;
rcOutput.right = w;
rcOutput.bottom = h;
NormalizeRect (&rcOutput);
w = RECTW (rcOutput); h = RECTH (rcOutput);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(FALSE, &rcOutput);
// set graphics context.
GAL_SetGC(pdc->gc);
if (bw <= 0 || bh <= 0) {
scaledBitmap = pBitmap->bmBits;
bw = sw;
bh = sh;
}
else if (bw == sw && bh == sh)
scaledBitmap = pBitmap->bmBits;
else {
if ((scaledBitmap = malloc (GAL_BoxSize(pdc->gc, w, h))) == NULL)
goto free_ret;
GAL_ScaleBox (pdc->gc, sw, sh, pBitmap->bmBits, bw, bh, scaledBitmap);
}
// extract part box
if ((partBitmap = malloc (GAL_BoxSize(pdc->gc, w, h))) == NULL)
goto free_ret;
bmpGetBoxPart (bpp, w, h, partBitmap, bw, bh, scaledBitmap, xo, yo);
pClipRect = pdc->ecrgn.head;
while(pClipRect)
{
if (DoesIntersect (&rcOutput, &pClipRect->rc)) {
GAL_SetClipping(pdc->gc, pClipRect->rc.left, pClipRect->rc.top,
pClipRect->rc.right - 1, pClipRect->rc.bottom - 1);
if (pBitmap->bmType != BMP_TYPE_COLORKEY)
GAL_PutBox (pdc->gc, x, y, w, h, partBitmap);
else
GAL_PutBoxMask (pdc->gc, x, y, w, h, partBitmap, pBitmap->bmColorKey);
}
pClipRect = pClipRect->next;
}
free_ret:
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(TRUE, &rcOutput);
if (bw != sw || bh != sh)
free (scaledBitmap);
free (partBitmap);
return TRUE;
}
int GUIAPI GetTextAboveLineExtra (HDC hdc)
{
return dc_HDC2PDC (hdc)->alExtra;
}
int GUIAPI GetTextBellowLineExtra (HDC hdc)
{
return dc_HDC2PDC (hdc)->blExtra;
}
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)
{
PCLIPRECT pClipRect;
PDC psdc, pddc;
void* srcBitmap = NULL;
void* scaledBitmap = NULL;
RECT rcOutput;
psdc = dc_HDC2PDC(hsdc);
pddc = dc_HDC2PDC(hddc);
if (dc_IsGeneralHDC(hddc)) {
if (!dc_GenerateECRgn (pddc, FALSE)) {
return;
}
}
// Transfer logical to device to screen here.
sw += sx; sh += sy;
coor_LP2SP(psdc, &sx, &sy);
coor_LP2SP(psdc, &sw, &sh);
(sw > sx) ? (sw -= sx) : (sw = sx - sw);
(sh > sy) ? (sh -= sy) : (sh = sy - sh);
dw += dx; dh += dy;
coor_LP2SP(pddc, &dx, &dy);
coor_LP2SP(pddc, &dw, &dh);
rcOutput.left = dx;
rcOutput.top = dy;
rcOutput.right = dw;
rcOutput.bottom = dh;
NormalizeRect (&rcOutput);
dw -= dx; dh -= dy;
if (!dc_IsMemHDC(hddc)) ShowCursorForGDI(FALSE, &g_rcScr);
GAL_SetGC (psdc->gc);
if ((srcBitmap = malloc (GAL_BoxSize (psdc->gc, sw, sh))) == NULL ||
(scaledBitmap = malloc (GAL_BoxSize (pddc->gc, dw, dh))) == NULL)
goto free_ret;
GAL_GetBox (psdc->gc, sx, sy, sw, sh, srcBitmap);
GAL_ScaleBox (psdc->gc, sw, sh, srcBitmap, dw, dh, scaledBitmap);
GAL_SetGC (pddc->gc);
pClipRect = pddc->ecrgn.head;
while(pClipRect)
{
if (DoesIntersect (&rcOutput, &pClipRect->rc)) {
GAL_SetClipping (pddc->gc, pClipRect->rc.left, pClipRect->rc.top,
pClipRect->rc.right - 1, pClipRect->rc.bottom - 1);
GAL_PutBox (pddc->gc, dx, dy, dw, dh, scaledBitmap);
}
pClipRect = pClipRect->next;
}
free_ret:
if (!dc_IsMemHDC(hddc)) ShowCursorForGDI (TRUE, &g_rcScr);
free (srcBitmap);
free (scaledBitmap);
}
int GUIAPI GetTextCharacterExtra (HDC hdc)
{
return dc_HDC2PDC (hdc)->cExtra;
}
int DrawTextEx (HDC hdc, const char* pText, int nCount,
RECT* pRect, int indent, UINT nFormat)
{
PDC pdc;
int n, nLines = 0, width = 0;
BOOL bOutput = TRUE;
int x, y;
RECT rcDraw, rcOutput;
int nTabWidth, tabs;
SIZE size;
int line_height;
pdc = dc_HDC2PDC(hdc);
if (nCount == -1)
nCount = strlen (pText);
line_height = pdc->pLogFont->size + pdc->alExtra + pdc->blExtra;
if (nFormat & DT_TABSTOP)
nTabWidth = HIWORD (nFormat) *
(*pdc->pLogFont->sbc_devfont->font_ops->get_ave_width)
(pdc->pLogFont, pdc->pLogFont->sbc_devfont);
else
nTabWidth = pdc->tabstop *
(*pdc->pLogFont->sbc_devfont->font_ops->get_ave_width)
(pdc->pLogFont, pdc->pLogFont->sbc_devfont);
// Transfer logical to device to screen here.
rcDraw = *pRect;
coor_LP2SP(pdc, &rcDraw.left, &rcDraw.top);
coor_LP2SP(pdc, &rcDraw.right, &rcDraw.bottom);
NormalizeRect (&rcDraw);
if (dc_IsGeneralHDC(hdc)) {
pthread_mutex_lock (&pdc->pGCRInfo->lock);
if (!dc_GenerateECRgn (pdc, FALSE))
bOutput = FALSE;
}
pthread_mutex_lock (&__mg_gdilock);
// set graphics context.
GAL_SetGC (pdc->gc);
// Draw text here.
if (nFormat & DT_CALCRECT)
bOutput = FALSE;
y = rcDraw.top;
if (nFormat & DT_SINGLELINE) {
if (nFormat & DT_BOTTOM)
y = rcDraw.bottom - pdc->pLogFont->size;
else if (nFormat & DT_VCENTER)
y = rcDraw.top + ((RECTH (rcDraw) - pdc->pLogFont->size) >> 1);
}
while (nCount != 0) {
int nOutput;
int maxwidth;
if (nLines == 0) {
maxwidth = rcDraw.right - rcDraw.left - indent;
if (maxwidth <= 0) {
// new line
y += pdc->pLogFont->size;
nLines ++;
continue;
}
}
else
maxwidth = rcDraw.right - rcDraw.left;
gdi_start_new_line (pdc->pLogFont);
tabs = txtGetOneLine (pdc, pText, nCount, nTabWidth, maxwidth, nFormat, &n);
gdi_get_TextOut_extent (pdc, pdc->pLogFont, pText, n, &size);
width = size.cx + tabs * nTabWidth;
n += tabs;
if ( (pText[n-1] == '\n' || pText[n-1] == '\r')
&& !(nFormat & DT_SINGLELINE) ) {
int tmpx = 0, tmpy = 0;
nOutput = n - 1;
width -= gdi_width_one_char (pdc->pLogFont, pdc->pLogFont->sbc_devfont,
pText + n - 1, 1, &tmpx, &tmpy);
}
else
nOutput = n;
if (nFormat & DT_RIGHT)
x = rcDraw.right - width;
else if (nFormat & DT_CENTER)
x = rcDraw.left + ((RECTW (rcDraw) - width) >> 1);
else
x = rcDraw.left;
x += (nLines ? 0 : indent);
rcOutput.left = x;
rcOutput.top = y;
rcOutput.right = rcOutput.left + width;
rcOutput.bottom = rcOutput.top + line_height;
NormalizeRect(&rcOutput);
if (nFormat & DT_CALCRECT) {
if (nLines == 0)
*pRect = rcOutput;
else
GetBoundRect (pRect, pRect, &rcOutput);
}
// draw one line
if (bOutput && width > 0) {
if (!dc_IsMemHDC(hdc)) ShowCursorForGDI(FALSE, &rcOutput);
if (nFormat & DT_NOCLIP)
txtDrawOneLine (pdc, pText, nOutput, x, y,
&rcOutput, nFormat, nTabWidth);
else {
RECT rcClip;
IntersectRect (&rcClip, &rcOutput, &rcDraw);
txtDrawOneLine (pdc, pText, nOutput, x, y,
&rcClip, nFormat, nTabWidth);
}
if (!dc_IsMemHDC(hdc)) ShowCursorForGDI (TRUE, &rcOutput);
}
pText += n;
// new line
y += line_height;
nLines ++;
// left characters
nCount = nCount - n;
}
int GUIAPI TabbedTextOutEx (HDC hdc, int x, int y, const char* spText,
int nCount, int nTabs, int *pTabPos, int nTabOrig)
{
PDC pdc;
int line_len, sub_len;
int nr_tab = 0, tab_pos, def_tab;
int x_orig = x, max_x = x;
int line_height;
int nr_delim_newline, nr_delim_tab;
if (nCount == 0) return 0;
if (nCount < 0) nCount = strlen (spText);
pdc = dc_HDC2PDC(hdc);
line_height = pdc->pLogFont->size + pdc->alExtra + pdc->blExtra;
y += pdc->alExtra;
if (nTabs == 0 || pTabPos == NULL) {
int ave_width = (*pdc->pLogFont->sbc_devfont->font_ops->get_ave_width)
(pdc->pLogFont, pdc->pLogFont->sbc_devfont);
def_tab = ave_width * pdc->tabstop;
}
else
def_tab = pTabPos [nTabs - 1];
while (nCount) {
line_len = substrlen (spText, nCount, '\n', &nr_delim_newline);
nCount -= line_len + nr_delim_newline;
nr_tab = 0;
x = x_orig;
tab_pos = nTabOrig;
while (line_len) {
int i, width;
sub_len = substrlen (spText, line_len, '\t', &nr_delim_tab);
width = TextOutLen (hdc, x, y, spText, sub_len);
x += width;
if (x >= tab_pos) {
while (x >= tab_pos)
tab_pos += (nr_tab >= nTabs) ? def_tab : pTabPos [nr_tab++];
for (i = 0; i < nr_delim_tab - 1; i ++)
tab_pos += (nr_tab >= nTabs) ? def_tab : pTabPos [nr_tab++];
}
else {
for (i = 0; i < nr_delim_tab; i ++)
tab_pos += (nr_tab >= nTabs) ? def_tab : pTabPos [nr_tab++];
}
x = tab_pos;
line_len -= sub_len + nr_delim_tab;
spText += sub_len + nr_delim_tab;
}
if (max_x < x) max_x = x;
spText += nr_delim_newline;
y += line_height * nr_delim_newline;
}
return max_x - x_orig;
}
int GUIAPI TextOutLen (HDC hdc, int x, int y, const char* spText, int len)
{
PCLIPRECT pClipRect;
PDC pdc;
RECT rcOutput;
SIZE size;
if (len == 0) return 0;
if (len < 0) len = strlen (spText);
pdc = dc_HDC2PDC(hdc);
gdi_get_TextOut_extent (pdc, pdc->pLogFont, spText, len, &size);
{
// update text out position
int width = size.cx;
extent_x_SP2LP (pdc, &width);
pdc->CurTextPos.x = x + width;
pdc->CurTextPos.y = y;
}
if (dc_IsGeneralHDC(hdc)) {
pthread_mutex_lock (&pdc->pGCRInfo->lock);
if (!dc_GenerateECRgn (pdc, FALSE)) {
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
return size.cx;
}
}
// Transfer logical to device to screen here.
coor_LP2SP(pdc, &x, &y);
rcOutput.left = x;
rcOutput.top = y;
rcOutput.right = x + size.cx + 1;
rcOutput.bottom = y + size.cy + 1;
NormalizeRect(&rcOutput);
pthread_mutex_lock (&__mg_gdilock);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(FALSE, &rcOutput);
// set graphics context.
GAL_SetGC(pdc->gc);
// set text out mode.
pClipRect = pdc->ecrgn.head;
while(pClipRect)
{
if (DoesIntersect (&rcOutput, &pClipRect->rc)) {
GAL_SetClipping(pdc->gc, pClipRect->rc.left, pClipRect->rc.top,
pClipRect->rc.right - 1, pClipRect->rc.bottom - 1);
gdi_strnwrite (pdc, x, y, spText, len);
}
pClipRect = pClipRect->next;
}
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(TRUE, &rcOutput);
pthread_mutex_unlock(&__mg_gdilock);
if (dc_IsGeneralHDC(hdc)) pthread_mutex_unlock (&pdc->pGCRInfo->lock);
return size.cx;
}
void GUIAPI LineTo (HDC hdc, int x, int y)
{
PCLIPRECT pClipRect;
PDC pdc;
RECT rcOutput;
int startx, starty;
pdc = dc_HDC2PDC(hdc);
startx = pdc->CurPenPos.x;
starty = pdc->CurPenPos.y;
// Move the current pen pos.
pdc->CurPenPos.x = x;
pdc->CurPenPos.y = y;
if (dc_IsGeneralHDC(hdc)) {
pthread_mutex_lock (&pdc->pGCRInfo->lock);
if (!dc_GenerateECRgn (pdc, FALSE)) {
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
return;
}
}
// Transfer logical to device to screen here.
coor_LP2SP(pdc, &x, &y);
coor_LP2SP(pdc, &startx, &starty);
rcOutput.left = startx;
rcOutput.top = starty;
rcOutput.right = x;
rcOutput.bottom = y;
NormalizeRect (&rcOutput);
InflateRect (&rcOutput, 1, 1);
pthread_mutex_lock (&__mg_gdilock);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(FALSE, &rcOutput);
// set graphics context.
GAL_SetGC (pdc->gc);
GAL_SetFgColor (pdc->gc, pdc->pencolor);
pClipRect = pdc->ecrgn.head;
while(pClipRect)
{
if (DoesIntersect (&rcOutput, &pClipRect->rc)) {
GAL_SetClipping (pdc->gc, pClipRect->rc.left, pClipRect->rc.top,
pClipRect->rc.right - 1, pClipRect->rc.bottom - 1);
if(starty == y) {
if (startx > x)
GAL_DrawHLine (pdc->gc, x, y, startx - x, pdc->pencolor);
else
GAL_DrawHLine (pdc->gc, startx, y, x - startx, pdc->pencolor);
}
else
GAL_Line (pdc->gc, startx, starty, x, y, pdc->pencolor);
}
pClipRect = pClipRect->next;
}
if (!dc_IsMemHDC (hdc)) ShowCursorForGDI (TRUE, &rcOutput);
pthread_mutex_unlock (&__mg_gdilock);
if (dc_IsGeneralHDC(hdc)) pthread_mutex_unlock (&pdc->pGCRInfo->lock);
}
void GUIAPI FocusRect(HDC hdc, int x0, int y0, int x1, int y1)
{
PCLIPRECT pClipRect;
PDC pdc;
int l, t, r, b, w, h;
RECT rcOutput;
size_t sizeh, sizev;
BYTE* vbuff = NULL;
BYTE* hline1 = NULL, * hline2 = NULL;
BYTE* vline1 = NULL, * vline2 = NULL;
int bpp;
BYTE xor_byte;
pdc = dc_HDC2PDC(hdc);
bpp = GAL_BytesPerPixel (pdc->gc);
if (GAL_BitsPerPixel (pdc->gc) < 8)
xor_byte = 0x0F;
else
xor_byte = 0xFF;
if (dc_IsGeneralHDC(hdc)) {
pthread_mutex_lock (&pdc->pGCRInfo->lock);
if (!dc_GenerateECRgn (pdc, FALSE)) {
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
return;
}
}
// Transfer logical to device to screen here.
coor_LP2SP(pdc, &x0, &y0);
coor_LP2SP(pdc, &x1, &y1);
l = MIN (x0, x1); t = MIN (y0, y1); r = MAX (x0, x1); b = MAX (y0, y1);
rcOutput.left = l; rcOutput.top = t;
rcOutput.right = r + 1; rcOutput.bottom = b + 1;
pthread_mutex_lock (&__mg_gdilock);
IntersectRect (&rcOutput, &rcOutput, &pdc->ecrgn.rcBound);
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(FALSE, &rcOutput);
GAL_SetGC (pdc->gc);
w = r - l + 1;
h = b - t - 1;
if (w == 0 || h == 0)
goto my_exit;
sizeh = w * bpp;
sizev = h * bpp;
#ifdef HAVE_ALLOCA
if (!(vbuff = alloca ((sizeh << 1) + (sizev << 1))))
#else
if (!(vbuff = malloc ((sizeh << 1) + (sizev << 1))))
#endif
goto my_exit;
if (w > 0) {
int i, j;
int offset;
hline1 = vbuff;
hline2 = vbuff + sizeh;
GAL_GetBox (pdc->gc, l, t, w, 1, hline1);
GAL_GetBox (pdc->gc, l, b, w, 1, hline2);
offset = 0;
for (i = 0; i < w; i += 2) {
for (j = 0; j < bpp; j++) {
hline1[offset + j] ^= xor_byte;
hline2[offset + j] ^= xor_byte;
}
offset += bpp << 1;
}
}
if (h > 0) {
int i, j, offset;
vline1 = vbuff + (sizeh << 1);
vline2 = vbuff + (sizeh << 1) + sizev;
GAL_GetBox (pdc->gc, l, t + 1, 1, h, vline1);
GAL_GetBox (pdc->gc, r, t + 1, 1, h, vline2);
offset = 0;
for (i = 0; i < h; i += 2) {
for (j = 0; j < bpp; j++) {
vline1[offset + j] ^= xor_byte;
vline2[offset + j] ^= xor_byte;
}
offset += bpp << 1;
}
}
// set graphics context.
GAL_SetGC (pdc->gc);
pClipRect = pdc->ecrgn.head;
while(pClipRect)
{
if (DoesIntersect (&rcOutput, &pClipRect->rc)) {
GAL_SetClipping(pdc->gc, pClipRect->rc.left, pClipRect->rc.top,
pClipRect->rc.right - 1, pClipRect->rc.bottom - 1);
if (hline1) {
GAL_PutBox (pdc->gc, l, t, w, 1, hline1);
GAL_PutBox (pdc->gc, l, b, w, 1, hline2);
}
if (vline1) {
GAL_PutBox (pdc->gc, l, t + 1, 1, h, vline1);
GAL_PutBox (pdc->gc, r, t + 1, 1, h, vline2);
}
}
pClipRect = pClipRect->next;
}
my_exit:
if( !dc_IsMemHDC(hdc) ) ShowCursorForGDI(TRUE, &rcOutput);
pthread_mutex_unlock (&__mg_gdilock);
if (dc_IsGeneralHDC(hdc)) pthread_mutex_unlock (&pdc->pGCRInfo->lock);
#ifndef HAVE_ALLOCA
free (vbuff);
#endif
}
void GUIAPI GetLogFontInfo (HDC hdc, LOGFONT* log_font)
{
if (!log_font) return;
memcpy (log_font, dc_HDC2PDC (hdc)->pLogFont, sizeof (LOGFONT));
}
Uint32 GUIAPI SetDCAttr (HDC hdc, int attr, Uint32 value)
{
Uint32 old_value;
PDC pdc;
pdc = dc_HDC2PDC (hdc);
#if 1
if (attr < NR_DC_ATTRS && attr >= 0) {
Uint32* attrs = (Uint32*) (&pdc->bkcolor);
old_value = attrs [attr];
attrs [attr] = value;
return old_value;
}
#else
switch (attr) {
case DC_ATTR_BK_COLOR:
old_value = (Uint32) pdc->bkcolor;
pdc->bkcolor = (gal_pixel)value;
return old_value;
case DC_ATTR_BK_MODE:
old_value = (Uint32) pdc->bkmode;
pdc->bkmode = (int)value;
return old_value;
case DC_ATTR_TEXT_COLOR:
old_value = (Uint32) pdc->textcolor;
pdc->textcolor = (gal_pixel)value;
return old_value;
case DC_ATTR_TAB_STOP:
old_value = (Uint32) pdc->tabstop;
pdc->tabstop = (int)value;
return old_value;
case DC_ATTR_PEN_COLOR:
old_value = (Uint32) pdc->pencolor;
pdc->pencolor = (gal_pixel)value;
return old_value;
case DC_ATTR_BRUSH_COLOR:
old_value = (Uint32) pdc->brushcolor;
pdc->brushcolor = (gal_pixel)value;
return old_value;
case DC_ATTR_PEN_TYPE:
old_value = (Uint32) pdc->pentype;
pdc->pentype = (int)value;
return old_value;
case DC_ATTR_BRUSH_TYPE:
old_value = (Uint32) pdc->brushtype;
pdc->brushtype = (int)value;
return old_value;
case DC_ATTR_CHAR_EXTRA:
old_value = (Uint32) pdc->cExtra;
pdc->cExtra = (int)value;
return old_value;
case DC_ATTR_ALINE_EXTRA:
old_value = (Uint32) pdc->alExtra;
pdc->alExtra = (int)value;
return old_value;
case DC_ATTR_BLINE_EXTRA:
old_value = (Uint32) pdc->blExtra;
pdc->blExtra = (int)value;
return old_value;
case DC_ATTR_MAP_MODE:
old_value = (Uint32) pdc->mapmode;
pdc->mapmode = (int)value;
return old_value;
}
#endif
return 0;
}
