diff options
Diffstat (limited to 'src/glut/glx/glut_cindex.c')
-rw-r--r-- | src/glut/glx/glut_cindex.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/src/glut/glx/glut_cindex.c b/src/glut/glx/glut_cindex.c deleted file mode 100644 index d0c12bf3a06..00000000000 --- a/src/glut/glx/glut_cindex.c +++ /dev/null @@ -1,252 +0,0 @@ - -/* Copyright (c) Mark J. Kilgard, 1994, 1996, 1997. */ - -/* This program is freely distributable without licensing fees - and is provided without guarantee or warrantee expressed or - implied. This program is -not- in the public domain. */ - -#include <stdlib.h> -#include "glutint.h" - -#define CLAMP(i) ((i) > 1.0 ? 1.0 : ((i) < 0.0 ? 0.0 : (i))) - -/* CENTRY */ -void GLUTAPIENTRY -glutSetColor(int ndx, GLfloat red, GLfloat green, GLfloat blue) -{ - GLUTcolormap *cmap, *newcmap; - XVisualInfo *vis; - XColor color; - int i; - - if (__glutCurrentWindow->renderWin == __glutCurrentWindow->win) { - cmap = __glutCurrentWindow->colormap; - vis = __glutCurrentWindow->vis; - } else { - cmap = __glutCurrentWindow->overlay->colormap; - vis = __glutCurrentWindow->overlay->vis; - if (ndx == __glutCurrentWindow->overlay->transparentPixel) { - __glutWarning( - "glutSetColor: cannot set color of overlay transparent index %d\n", - ndx); - return; - } - } - - if (!cmap) { - __glutWarning("glutSetColor: current window is RGBA"); - return; - } -#if defined(_WIN32) - if (ndx >= 256 || /* always assume 256 colors on Win32 */ -#else - if (ndx >= vis->visual->map_entries || -#endif - ndx < 0) { - __glutWarning("glutSetColor: index %d out of range", ndx); - return; - } - if (cmap->refcnt > 1) { - newcmap = __glutAssociateNewColormap(vis); - cmap->refcnt--; - /* Wouldn't it be nice if XCopyColormapAndFree could be - told not to free the old colormap's entries! */ - for (i = cmap->size - 1; i >= 0; i--) { - if (i == ndx) { - /* We are going to set this cell shortly! */ - continue; - } - if (cmap->cells[i].component[GLUT_RED] >= 0.0) { - color.pixel = i; - newcmap->cells[i].component[GLUT_RED] = - cmap->cells[i].component[GLUT_RED]; - color.red = (GLfloat) 0xffff * - cmap->cells[i].component[GLUT_RED]; - newcmap->cells[i].component[GLUT_GREEN] = - cmap->cells[i].component[GLUT_GREEN]; - color.green = (GLfloat) 0xffff * - cmap->cells[i].component[GLUT_GREEN]; - newcmap->cells[i].component[GLUT_BLUE] = - cmap->cells[i].component[GLUT_BLUE]; - color.blue = (GLfloat) 0xffff * - cmap->cells[i].component[GLUT_BLUE]; - color.flags = DoRed | DoGreen | DoBlue; -#if defined(_WIN32) - if (IsWindowVisible(__glutCurrentWindow->win)) { - XHDC = __glutCurrentWindow->hdc; - } else { - XHDC = 0; - } -#endif - XStoreColor(__glutDisplay, newcmap->cmap, &color); - } else { - /* Leave unallocated entries unallocated. */ - } - } - cmap = newcmap; - if (__glutCurrentWindow->renderWin == __glutCurrentWindow->win) { - __glutCurrentWindow->colormap = cmap; - __glutCurrentWindow->cmap = cmap->cmap; - } else { - __glutCurrentWindow->overlay->colormap = cmap; - __glutCurrentWindow->overlay->cmap = cmap->cmap; - } - XSetWindowColormap(__glutDisplay, - __glutCurrentWindow->renderWin, cmap->cmap); - -#if !defined(_WIN32) - { - GLUTwindow *toplevel; - - toplevel = __glutToplevelOf(__glutCurrentWindow); - if (toplevel->cmap != cmap->cmap) { - __glutPutOnWorkList(toplevel, GLUT_COLORMAP_WORK); - } - } -#endif - } - color.pixel = ndx; - red = CLAMP(red); - cmap->cells[ndx].component[GLUT_RED] = red; - color.red = (GLfloat) 0xffff *red; - green = CLAMP(green); - cmap->cells[ndx].component[GLUT_GREEN] = green; - color.green = (GLfloat) 0xffff *green; - blue = CLAMP(blue); - cmap->cells[ndx].component[GLUT_BLUE] = blue; - color.blue = (GLfloat) 0xffff *blue; - color.flags = DoRed | DoGreen | DoBlue; -#if defined(_WIN32) - if (IsWindowVisible(__glutCurrentWindow->win)) { - XHDC = __glutCurrentWindow->hdc; - } else { - XHDC = 0; - } -#endif - XStoreColor(__glutDisplay, cmap->cmap, &color); -} - -GLfloat GLUTAPIENTRY -glutGetColor(int ndx, int comp) -{ - GLUTcolormap *colormap; - XVisualInfo *vis; - - if (__glutCurrentWindow->renderWin == __glutCurrentWindow->win) { - colormap = __glutCurrentWindow->colormap; - vis = __glutCurrentWindow->vis; - } else { - colormap = __glutCurrentWindow->overlay->colormap; - vis = __glutCurrentWindow->overlay->vis; - if (ndx == __glutCurrentWindow->overlay->transparentPixel) { - __glutWarning("glutGetColor: requesting overlay transparent index %d\n", - ndx); - return -1.0; - } - } - - if (!colormap) { - __glutWarning("glutGetColor: current window is RGBA"); - return -1.0; - } -#if defined(_WIN32) -#define OUT_OF_RANGE_NDX(ndx) (ndx >= 256 || ndx < 0) -#else -#define OUT_OF_RANGE_NDX(ndx) (ndx >= vis->visual->map_entries || ndx < 0) -#endif - if (OUT_OF_RANGE_NDX(ndx)) { - __glutWarning("glutGetColor: index %d out of range", ndx); - return -1.0; - } - return colormap->cells[ndx].component[comp]; -} - -void GLUTAPIENTRY -glutCopyColormap(int winnum) -{ - GLUTwindow *window = __glutWindowList[winnum - 1]; - GLUTcolormap *oldcmap, *newcmap; - XVisualInfo *dstvis; - - if (__glutCurrentWindow->renderWin == __glutCurrentWindow->win) { - oldcmap = __glutCurrentWindow->colormap; - dstvis = __glutCurrentWindow->vis; - newcmap = window->colormap; - } else { - oldcmap = __glutCurrentWindow->overlay->colormap; - dstvis = __glutCurrentWindow->overlay->vis; - if (!window->overlay) { - __glutWarning("glutCopyColormap: window %d has no overlay", winnum); - return; - } - newcmap = window->overlay->colormap; - } - - if (!oldcmap) { - __glutWarning("glutCopyColormap: destination colormap must be color index"); - return; - } - if (!newcmap) { - __glutWarning( - "glutCopyColormap: source colormap of window %d must be color index", - winnum); - return; - } - if (newcmap == oldcmap) { - /* Source and destination are the same; now copy needed. */ - return; - } -#if !defined(_WIN32) - /* Play safe: compare visual IDs, not Visual*'s. */ - if (newcmap->visual->visualid == oldcmap->visual->visualid) { -#endif - /* Visuals match! "Copy" by reference... */ - __glutFreeColormap(oldcmap); - newcmap->refcnt++; - if (__glutCurrentWindow->renderWin == __glutCurrentWindow->win) { - __glutCurrentWindow->colormap = newcmap; - __glutCurrentWindow->cmap = newcmap->cmap; - } else { - __glutCurrentWindow->overlay->colormap = newcmap; - __glutCurrentWindow->overlay->cmap = newcmap->cmap; - } - XSetWindowColormap(__glutDisplay, __glutCurrentWindow->renderWin, - newcmap->cmap); -#if !defined(_WIN32) - __glutPutOnWorkList(__glutToplevelOf(window), GLUT_COLORMAP_WORK); - } else { - GLUTcolormap *copycmap; - XColor color; - int i, last; - - /* Visuals different - need a distinct X colormap! */ - copycmap = __glutAssociateNewColormap(dstvis); - /* Wouldn't it be nice if XCopyColormapAndFree could be - told not to free the old colormap's entries! */ - last = newcmap->size; - if (last > copycmap->size) { - last = copycmap->size; - } - for (i = last - 1; i >= 0; i--) { - if (newcmap->cells[i].component[GLUT_RED] >= 0.0) { - color.pixel = i; - copycmap->cells[i].component[GLUT_RED] = - newcmap->cells[i].component[GLUT_RED]; - color.red = (GLfloat) 0xffff * - newcmap->cells[i].component[GLUT_RED]; - copycmap->cells[i].component[GLUT_GREEN] = - newcmap->cells[i].component[GLUT_GREEN]; - color.green = (GLfloat) 0xffff * - newcmap->cells[i].component[GLUT_GREEN]; - copycmap->cells[i].component[GLUT_BLUE] = - newcmap->cells[i].component[GLUT_BLUE]; - color.blue = (GLfloat) 0xffff * - newcmap->cells[i].component[GLUT_BLUE]; - color.flags = DoRed | DoGreen | DoBlue; - XStoreColor(__glutDisplay, copycmap->cmap, &color); - } - } - } -#endif -} -/* ENDCENTRY */ |