// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/*
* in Create(). The cells are freed on the next call to Create()
* or when the destructor is called.
*/
-
+
/* Wolfram Gloger <u7y22ab@sunmail.lrz-muenchen.de>
I have implemented basic colormap support for the X11 versions of
wxWindows, notably wxPalette::Create(). The way I did it is to
#endif
/*
- * Palette
- *
- */
+* Palette
+*
+*/
wxXPalette::wxXPalette()
{
wxPaletteRefData::~wxPaletteRefData()
{
- XColor xcol;
- Display *display = (Display*) NULL;
-
- wxNode *node, *next;
-
- for (node = m_palettes.First(); node; node = next) {
- wxXPalette *c = (wxXPalette *)node->Data();
- unsigned long *pix_array = c->m_pix_array;
- Colormap cmap = (Colormap) c->m_cmap;
- bool destroyable = c->m_destroyable;
- int pix_array_n = c->m_pix_array_n;
- display = (Display*) c->m_display;
-
- if (pix_array_n > 0)
- {
-// XFreeColors(display, cmap, pix_array, pix_array_n, 0);
- // Be careful not to free '0' pixels...
- int i, j;
- for(i=j=0; i<pix_array_n; i=j) {
- while(j<pix_array_n && pix_array[j]!=0) j++;
- if(j > i) XFreeColors(display, cmap, &pix_array[i], j-i, 0);
- while(j<pix_array_n && pix_array[j]==0) j++;
- }
- delete [] pix_array;
- }
+ Display *display = (Display*) NULL;
+
+ wxNode *node, *next;
- if (destroyable)
- XFreeColormap(display, cmap);
+ for (node = m_palettes.First(); node; node = next) {
+ wxXPalette *c = (wxXPalette *)node->Data();
+ unsigned long *pix_array = c->m_pix_array;
+ Colormap cmap = (Colormap) c->m_cmap;
+ bool destroyable = c->m_destroyable;
+ int pix_array_n = c->m_pix_array_n;
+ display = (Display*) c->m_display;
- next = node->Next();
- m_palettes.DeleteNode(node);
- delete c;
- }
+ if (pix_array_n > 0)
+ {
+ // XFreeColors(display, cmap, pix_array, pix_array_n, 0);
+ // Be careful not to free '0' pixels...
+ int i, j;
+ for(i=j=0; i<pix_array_n; i=j) {
+ while(j<pix_array_n && pix_array[j]!=0) j++;
+ if(j > i) XFreeColors(display, cmap, &pix_array[i], j-i, 0);
+ while(j<pix_array_n && pix_array[j]==0) j++;
+ }
+ delete [] pix_array;
+ }
+
+ if (destroyable)
+ XFreeColormap(display, cmap);
+
+ next = node->Next();
+ m_palettes.DeleteNode(node);
+ delete c;
+ }
}
wxPalette::wxPalette()
bool wxPalette::Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
{
- UnRef();
+ UnRef();
- if (!n) {
- return FALSE;
- }
+ if (!n) {
+ return FALSE;
+ }
+
+ m_refData = new wxPaletteRefData;
- m_refData = new wxPaletteRefData;
+ XColor xcol;
+ Display* display = (Display*) wxGetDisplay();
- XColor xcol;
- Display* display = (Display*) wxGetDisplay();
+ unsigned long *pix_array;
+ Colormap cmap;
+ int pix_array_n;
- unsigned long *pix_array;
- Colormap cmap;
- int pix_array_n;
+ cmap = (Colormap) wxTheApp->GetMainColormap(display);
- cmap = (Colormap) wxTheApp->GetMainColormap(display);
+ pix_array = new unsigned long[n];
+ if (!pix_array)
+ return FALSE;
- pix_array = new unsigned long[n];
- if (!pix_array)
- return FALSE;
+ pix_array_n = n;
+ xcol.flags = DoRed | DoGreen | DoBlue;
+ for(int i = 0; i < n; i++) {
+ xcol.red = (unsigned short)red[i] << 8;
+ xcol.green = (unsigned short)green[i] << 8;
+ xcol.blue = (unsigned short)blue[i] << 8;
+ pix_array[i] = (XAllocColor(display, cmap, &xcol) == 0) ? 0 : xcol.pixel;
+ }
+
+ wxXPalette *c = new wxXPalette;
+
+ c->m_pix_array_n = pix_array_n;
+ c->m_pix_array = pix_array;
+ c->m_cmap = (WXColormap) cmap;
+ c->m_display = (WXDisplay*) display;
+ c->m_destroyable = FALSE;
+ M_PALETTEDATA->m_palettes.Append(c);
- pix_array_n = n;
- xcol.flags = DoRed | DoGreen | DoBlue;
- for(int i = 0; i < n; i++) {
- xcol.red = (unsigned short)red[i] << 8;
- xcol.green = (unsigned short)green[i] << 8;
- xcol.blue = (unsigned short)blue[i] << 8;
- pix_array[i] = (XAllocColor(display, cmap, &xcol) == 0) ? 0 : xcol.pixel;
- }
-
- wxXPalette *c = new wxXPalette;
-
- c->m_pix_array_n = pix_array_n;
- c->m_pix_array = pix_array;
- c->m_cmap = (WXColormap) cmap;
- c->m_display = (WXDisplay*) display;
- c->m_destroyable = FALSE;
- M_PALETTEDATA->m_palettes.Append(c);
-
- return TRUE;
+ return TRUE;
}
int wxPalette::GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const
{
if ( !m_refData )
- return FALSE;
+ return FALSE;
// TODO
return FALSE;
bool wxPalette::GetRGB(int index, unsigned char *red, unsigned char *green, unsigned char *blue) const
{
if ( !m_refData )
- return FALSE;
+ return FALSE;
if (index < 0 || index > 255)
return FALSE;
wxXPalette *first = (wxXPalette *)M_PALETTEDATA->m_palettes.First()->Data();
XColor xcol;
int pix_array_n = first->m_pix_array_n;
-
+
c->m_pix_array_n = pix_array_n;
c->m_pix_array = new unsigned long[pix_array_n];
c->m_display = display;
bool wxPalette::TransferBitmap(void *data, int depth, int size)
{
- switch(depth) {
- case 8:
- {
- unsigned char *uptr = (unsigned char *)data;
- int pix_array_n;
- unsigned long *pix_array = GetXPixArray((Display*) wxGetDisplay(), &pix_array_n);
- while(size-- > 0)
- {
- if((int)*uptr < pix_array_n)
- *uptr = (unsigned char)pix_array[*uptr];
- uptr++;
+ switch(depth) {
+ case 8:
+ {
+ unsigned char *uptr = (unsigned char *)data;
+ int pix_array_n;
+ unsigned long *pix_array = GetXPixArray((Display*) wxGetDisplay(), &pix_array_n);
+ while(size-- > 0)
+ {
+ if((int)*uptr < pix_array_n)
+ *uptr = (unsigned char)pix_array[*uptr];
+ uptr++;
+ }
+
+ return TRUE;
+ }
+ default:
+ return FALSE;
}
-
- return TRUE;
- }
- default:
- return FALSE;
- }
}
bool wxPalette::TransferBitmap8(unsigned char *data, unsigned long sz,
- void *dest, unsigned int bpp)
+ void *dest, unsigned int bpp)
{
- int pix_array_n;
- unsigned long *pix_array = GetXPixArray((Display*) wxGetDisplay(), &pix_array_n);
+ int pix_array_n;
+ unsigned long *pix_array = GetXPixArray((Display*) wxGetDisplay(), &pix_array_n);
switch(bpp) {
case 8: {
- unsigned char *dptr = (unsigned char *)dest;
- while(sz-- > 0) {
- if((int)*data < pix_array_n)
- *dptr = (unsigned char)pix_array[*data];
- data++;
- dptr++;
- }
- break;
- }
+ unsigned char *dptr = (unsigned char *)dest;
+ while(sz-- > 0) {
+ if((int)*data < pix_array_n)
+ *dptr = (unsigned char)pix_array[*data];
+ data++;
+ dptr++;
+ }
+ break;
+ }
case 16: {
- unsigned short *dptr = (unsigned short *)dest;
- while(sz-- > 0) {
- if((int)*data < pix_array_n)
- *dptr = (unsigned short)pix_array[*data];
- data++;
- dptr++;
- }
- break;
- }
+ unsigned short *dptr = (unsigned short *)dest;
+ while(sz-- > 0) {
+ if((int)*data < pix_array_n)
+ *dptr = (unsigned short)pix_array[*data];
+ data++;
+ dptr++;
+ }
+ break;
+ }
case 24: {
- struct rgb24 { unsigned char r, g, b; } *dptr = (struct rgb24 *)dest;
- while(sz-- > 0) {
- if((int)*data < pix_array_n) {
- dptr->r = pix_array[*data] & 0xFF;
- dptr->g = (pix_array[*data] >> 8) & 0xFF;
- dptr->b = (pix_array[*data] >> 16) & 0xFF;
+ struct rgb24 { unsigned char r, g, b; } *dptr = (struct rgb24 *)dest;
+ while(sz-- > 0) {
+ if((int)*data < pix_array_n) {
+ dptr->r = pix_array[*data] & 0xFF;
+ dptr->g = (pix_array[*data] >> 8) & 0xFF;
+ dptr->b = (pix_array[*data] >> 16) & 0xFF;
+ }
+ data++;
+ dptr++;
}
- data++;
- dptr++;
- }
- break;
- }
+ break;
+ }
case 32: {
- unsigned long *dptr = (unsigned long *)dest;
- while(sz-- > 0) {
- if((int)*data < pix_array_n)
- *dptr = pix_array[*data];
- data++;
- dptr++;
- }
- break;
- }
+ unsigned long *dptr = (unsigned long *)dest;
+ while(sz-- > 0) {
+ if((int)*data < pix_array_n)
+ *dptr = pix_array[*data];
+ data++;
+ dptr++;
+ }
+ break;
+ }
default:
- return FALSE;
+ return FALSE;
}
return TRUE;
}
return c->m_pix_array;
}
}
-
+
/* Not found; call GetXColormap, which will create it, then this again */
if (GetXColormap(display))
return GetXPixArray(display, n);
projects / wxWidgets.git / blobdiff