static void
ImgBmapConfigureInstance(
BitmapInstance *instancePtr)/* Instance to reconfigure. */
{
BitmapMaster *masterPtr = instancePtr->masterPtr;
XColor *colorPtr;
XGCValues gcValues;
GC gc;
unsigned int mask;
Pixmap oldBitmap, oldMask;
/*
* For each of the options in masterPtr, translate the string form into an
* internal form appropriate for instancePtr.
*/
if (*masterPtr->bgUid != 0) {
colorPtr = Tk_GetColor(masterPtr->interp, instancePtr->tkwin,
masterPtr->bgUid);
if (colorPtr == NULL) {
goto error;
}
} else {
colorPtr = NULL;
}
if (instancePtr->bg != NULL) {
Tk_FreeColor(instancePtr->bg);
}
instancePtr->bg = colorPtr;
colorPtr = Tk_GetColor(masterPtr->interp, instancePtr->tkwin,
masterPtr->fgUid);
if (colorPtr == NULL) {
goto error;
}
if (instancePtr->fg != NULL) {
Tk_FreeColor(instancePtr->fg);
}
instancePtr->fg = colorPtr;
/*
* Careful: We have to allocate new Pixmaps before deleting the old ones.
* Otherwise, The XID allocator will always return the same XID for the
* new Pixmaps as was used for the old Pixmaps. And that will prevent the
* data and/or mask from changing in the GC below.
*/
oldBitmap = instancePtr->bitmap;
instancePtr->bitmap = None;
oldMask = instancePtr->mask;
instancePtr->mask = None;
if (masterPtr->data != NULL) {
instancePtr->bitmap = XCreateBitmapFromData(
Tk_Display(instancePtr->tkwin),
RootWindowOfScreen(Tk_Screen(instancePtr->tkwin)),
masterPtr->data, (unsigned) masterPtr->width,
(unsigned) masterPtr->height);
}
if (masterPtr->maskData != NULL) {
instancePtr->mask = XCreateBitmapFromData(
Tk_Display(instancePtr->tkwin),
RootWindowOfScreen(Tk_Screen(instancePtr->tkwin)),
masterPtr->maskData, (unsigned) masterPtr->width,
(unsigned) masterPtr->height);
}
if (oldMask != None) {
Tk_FreePixmap(Tk_Display(instancePtr->tkwin), oldMask);
}
if (oldBitmap != None) {
Tk_FreePixmap(Tk_Display(instancePtr->tkwin), oldBitmap);
}
if (masterPtr->data != NULL) {
gcValues.foreground = instancePtr->fg->pixel;
gcValues.graphics_exposures = False;
mask = GCForeground|GCGraphicsExposures;
if (instancePtr->bg != NULL) {
gcValues.background = instancePtr->bg->pixel;
mask |= GCBackground;
if (instancePtr->mask != None) {
gcValues.clip_mask = instancePtr->mask;
mask |= GCClipMask;
}
} else {
gcValues.clip_mask = instancePtr->bitmap;
mask |= GCClipMask;
}
gc = Tk_GetGC(instancePtr->tkwin, mask, &gcValues);
} else {
gc = None;
}
if (instancePtr->gc != None) {
Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
}
instancePtr->gc = gc;
return;
error:
/*
* An error occurred: clear the graphics context in the instance to make
* it clear that this instance cannot be displayed. Then report the error.
*/
if (instancePtr->gc != None) {
Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
}
instancePtr->gc = None;
Tcl_AppendObjToErrorInfo(masterPtr->interp, Tcl_ObjPrintf(
"\n (while configuring image \"%s\")", Tk_NameOfImage(
masterPtr->tkMaster)));
Tcl_BackgroundError(masterPtr->interp);
}
static int
ConfigureText(
Tcl_Interp *interp, /* Interpreter for error reporting. */
Tk_Canvas canvas, /* Canvas containing itemPtr. */
Tk_Item *itemPtr, /* Rectangle item to reconfigure. */
int objc, /* Number of elements in objv. */
Tcl_Obj *const objv[], /* Arguments describing things to configure. */
int flags) /* Flags to pass to Tk_ConfigureWidget. */
{
TextItem *textPtr = (TextItem *) itemPtr;
XGCValues gcValues;
GC newGC, newSelGC;
unsigned long mask;
Tk_Window tkwin;
Tk_CanvasTextInfo *textInfoPtr = textPtr->textInfoPtr;
XColor *selBgColorPtr;
XColor *color;
Pixmap stipple;
Tk_State state;
tkwin = Tk_CanvasTkwin(canvas);
if (TCL_OK != Tk_ConfigureWidget(interp, tkwin, configSpecs, objc,
(const char **) objv, (char *) textPtr, flags|TK_CONFIG_OBJS)) {
return TCL_ERROR;
}
/*
* A few of the options require additional processing, such as graphics
* contexts.
*/
state = itemPtr->state;
if (textPtr->activeColor != NULL || textPtr->activeStipple != None) {
itemPtr->redraw_flags |= TK_ITEM_STATE_DEPENDANT;
} else {
itemPtr->redraw_flags &= ~TK_ITEM_STATE_DEPENDANT;
}
if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
}
color = textPtr->color;
stipple = textPtr->stipple;
if (Canvas(canvas)->currentItemPtr == itemPtr) {
if (textPtr->activeColor != NULL) {
color = textPtr->activeColor;
}
if (textPtr->activeStipple != None) {
stipple = textPtr->activeStipple;
}
} else if (state == TK_STATE_DISABLED) {
if (textPtr->disabledColor != NULL) {
color = textPtr->disabledColor;
}
if (textPtr->disabledStipple != None) {
stipple = textPtr->disabledStipple;
}
}
newGC = newSelGC = None;
if (textPtr->tkfont != NULL) {
gcValues.font = Tk_FontId(textPtr->tkfont);
mask = GCFont;
if (color != NULL) {
gcValues.foreground = color->pixel;
mask |= GCForeground;
if (stipple != None) {
gcValues.stipple = stipple;
gcValues.fill_style = FillStippled;
mask |= GCStipple|GCFillStyle;
}
newGC = Tk_GetGC(tkwin, mask, &gcValues);
}
mask &= ~(GCTile|GCFillStyle|GCStipple);
if (stipple != None) {
gcValues.stipple = stipple;
gcValues.fill_style = FillStippled;
mask |= GCStipple|GCFillStyle;
}
if (textInfoPtr->selFgColorPtr != NULL) {
gcValues.foreground = textInfoPtr->selFgColorPtr->pixel;
}
newSelGC = Tk_GetGC(tkwin, mask|GCForeground, &gcValues);
}
if (textPtr->gc != None) {
Tk_FreeGC(Tk_Display(tkwin), textPtr->gc);
}
textPtr->gc = newGC;
if (textPtr->selTextGC != None) {
Tk_FreeGC(Tk_Display(tkwin), textPtr->selTextGC);
}
textPtr->selTextGC = newSelGC;
selBgColorPtr = Tk_3DBorderColor(textInfoPtr->selBorder);
if (Tk_3DBorderColor(textInfoPtr->insertBorder)->pixel
== selBgColorPtr->pixel) {
if (selBgColorPtr->pixel == BlackPixelOfScreen(Tk_Screen(tkwin))) {
gcValues.foreground = WhitePixelOfScreen(Tk_Screen(tkwin));
} else {
gcValues.foreground = BlackPixelOfScreen(Tk_Screen(tkwin));
}
newGC = Tk_GetGC(tkwin, GCForeground, &gcValues);
} else {
newGC = None;
}
if (textPtr->cursorOffGC != None) {
Tk_FreeGC(Tk_Display(tkwin), textPtr->cursorOffGC);
}
textPtr->cursorOffGC = newGC;
/*
* If the text was changed, move the selection and insertion indices to
* keep them inside the item.
*/
textPtr->numBytes = strlen(textPtr->text);
textPtr->numChars = Tcl_NumUtfChars(textPtr->text, textPtr->numBytes);
if (textInfoPtr->selItemPtr == itemPtr) {
if (textInfoPtr->selectFirst >= textPtr->numChars) {
textInfoPtr->selItemPtr = NULL;
} else {
if (textInfoPtr->selectLast >= textPtr->numChars) {
textInfoPtr->selectLast = textPtr->numChars - 1;
}
if ((textInfoPtr->anchorItemPtr == itemPtr)
&& (textInfoPtr->selectAnchor >= textPtr->numChars)) {
textInfoPtr->selectAnchor = textPtr->numChars - 1;
}
}
}
if (textPtr->insertPos >= textPtr->numChars) {
textPtr->insertPos = textPtr->numChars;
}
/*
* Restrict so that 0.0 <= angle < 360.0, and then recompute the cached
* sine and cosine of the angle. Note that fmod() can produce negative
* results, and we try to avoid negative zero as well.
*/
textPtr->angle = fmod(textPtr->angle, 360.0);
if (textPtr->angle < 0.0) {
textPtr->angle += 360.0;
}
if (textPtr->angle == 0.0) {
textPtr->angle = 0.0;
}
textPtr->sine = sin(textPtr->angle * PI/180.0);
textPtr->cosine = cos(textPtr->angle * PI/180.0);
ComputeTextBbox(canvas, textPtr);
return TCL_OK;
}
static void IndicatorElementDraw(
void *clientData, void *elementRecord, Tk_Window tkwin,
Drawable d, Ttk_Box b, unsigned int state)
{
IndicatorSpec *spec = clientData;
IndicatorElement *indicator = elementRecord;
Display *display = Tk_Display(tkwin);
Tk_3DBorder bgBorder;
Ttk_Padding padding;
XColor *fgColor, *bgColor, *lightColor, *shadeColor, *selectColor;
int index, ix, iy;
XGCValues gcValues;
GC copyGC;
unsigned long imgColors[8];
XImage *img;
Ttk_GetPaddingFromObj(NULL, tkwin, indicator->marginObj, &padding);
b = Ttk_PadBox(b, padding);
if ( b.x < 0
|| b.y < 0
|| Tk_Width(tkwin) < b.x + spec->width
|| Tk_Height(tkwin) < b.y + spec->height)
{
/* Oops! not enough room to display the image.
* Don't draw anything.
*/
return;
}
/*
* Fill in imgColors palette:
*
* (SHOULD: take light and shade colors from the border object,
* but Tk doesn't provide easy access to these in the public API.)
*/
fgColor = Tk_GetColorFromObj(tkwin, indicator->foregroundObj);
bgBorder = Tk_Get3DBorderFromObj(tkwin, indicator->backgroundObj);
bgColor = Tk_3DBorderColor(bgBorder);
lightColor = Tk_GetColorFromObj(tkwin, indicator->lightColorObj);
shadeColor = Tk_GetColorFromObj(tkwin, indicator->shadeColorObj);
selectColor = Tk_GetColorFromObj(tkwin, indicator->colorObj);
imgColors[0 /*A*/] = bgColor->pixel;
imgColors[1 /*B*/] = bgColor->pixel;
imgColors[2 /*C*/] = lightColor->pixel;
imgColors[3 /*D*/] = selectColor->pixel;
imgColors[4 /*E*/] = shadeColor->pixel;
imgColors[5 /*F*/] = bgColor->pixel;
imgColors[6 /*G*/] = fgColor->pixel;
imgColors[7 /*H*/] = selectColor->pixel;
/*
* Create a scratch buffer to store the image:
*/
img = XGetImage(display,d, 0, 0,
(unsigned int)spec->width, (unsigned int)spec->height,
AllPlanes, ZPixmap);
if (img == NULL)
return;
/*
* Create the image, painting it into an XImage one pixel at a time.
*/
index = Ttk_StateTableLookup(spec->map, state);
for (iy=0 ; iy<spec->height ; iy++) {
for (ix=0 ; ix<spec->width ; ix++) {
XPutPixel(img, ix, iy,
imgColors[spec->pixels[iy][index*spec->width+ix] - 'A'] );
}
}
/*
* Copy onto our target drawable surface.
*/
memset(&gcValues, 0, sizeof(gcValues));
copyGC = Tk_GetGC(tkwin, 0, &gcValues);
TkPutImage(NULL, 0, display, d, copyGC, img, 0, 0, b.x, b.y,
spec->width, spec->height);
/*
* Tidy up.
*/
Tk_FreeGC(display, copyGC);
XDestroyImage(img);
}
void
TkpDrawCheckIndicator(
Tk_Window tkwin, /* handle for resource alloc */
Display *display,
Drawable d, /* what to draw on */
int x, int y, /* where to draw */
Tk_3DBorder bgBorder, /* colors of the border */
XColor *indicatorColor, /* color of the indicator */
XColor *selectColor, /* color when selected */
XColor *disableColor, /* color when disabled */
int on, /* are we on? */
int disabled, /* are we disabled? */
int mode) /* kind of indicator to draw */
{
int ix, iy;
int dim;
int imgsel, imgstart;
TkBorder *bg_brdr = (TkBorder*)bgBorder;
XGCValues gcValues;
GC copyGC;
unsigned long imgColors[8];
XImage *img;
Pixmap pixmap;
int depth;
/*
* Sanity check.
*/
if (tkwin == NULL || display == None || d == None || bgBorder == NULL
|| indicatorColor == NULL) {
return;
}
if (disableColor == NULL) {
disableColor = bg_brdr->bgColorPtr;
}
if (selectColor == NULL) {
selectColor = bg_brdr->bgColorPtr;
}
depth = Tk_Depth(tkwin);
/*
* Compute starting point and dimensions of image inside button_images to
* be used.
*/
switch (mode) {
default:
case CHECK_BUTTON:
imgsel = on == 2 ? CHECK_DISON_OFFSET :
on == 1 ? CHECK_ON_OFFSET : CHECK_OFF_OFFSET;
imgsel += disabled && on != 2 ? CHECK_DISOFF_OFFSET : 0;
imgstart = CHECK_START;
dim = CHECK_BUTTON_DIM;
break;
case CHECK_MENU:
imgsel = on == 2 ? CHECK_DISOFF_OFFSET :
on == 1 ? CHECK_ON_OFFSET : CHECK_OFF_OFFSET;
imgsel += disabled && on != 2 ? CHECK_DISOFF_OFFSET : 0;
imgstart = CHECK_START + 2;
imgsel += 2;
dim = CHECK_MENU_DIM;
break;
case RADIO_BUTTON:
imgsel = on == 2 ? RADIO_DISON_OFFSET :
on==1 ? RADIO_ON_OFFSET : RADIO_OFF_OFFSET;
imgsel += disabled && on != 2 ? RADIO_DISOFF_OFFSET : 0;
imgstart = RADIO_START;
dim = RADIO_BUTTON_DIM;
break;
case RADIO_MENU:
imgsel = on == 2 ? RADIO_DISOFF_OFFSET :
on==1 ? RADIO_ON_OFFSET : RADIO_OFF_OFFSET;
imgsel += disabled && on != 2 ? RADIO_DISOFF_OFFSET : 0;
imgstart = RADIO_START + 3;
imgsel += 3;
dim = RADIO_MENU_DIM;
break;
}
/*
* Allocate the drawing areas to use. Note that we use double-buffering
* here because not all code paths leading to this function do so.
*/
pixmap = Tk_GetPixmap(display, d, dim, dim, depth);
if (pixmap == None) {
return;
}
x -= dim/2;
y -= dim/2;
img = XGetImage(display, pixmap, 0, 0,
(unsigned int)dim, (unsigned int)dim, AllPlanes, ZPixmap);
if (img == NULL) {
return;
}
/*
* Set up the color mapping table.
*/
TkpGetShadows(bg_brdr, tkwin);
imgColors[0 /*A*/] =
Tk_GetColorByValue(tkwin, bg_brdr->bgColorPtr)->pixel;
imgColors[1 /*B*/] =
Tk_GetColorByValue(tkwin, bg_brdr->bgColorPtr)->pixel;
imgColors[2 /*C*/] = (bg_brdr->lightColorPtr != NULL) ?
Tk_GetColorByValue(tkwin, bg_brdr->lightColorPtr)->pixel :
WhitePixelOfScreen(bg_brdr->screen);
imgColors[3 /*D*/] =
Tk_GetColorByValue(tkwin, selectColor)->pixel;
imgColors[4 /*E*/] = (bg_brdr->darkColorPtr != NULL) ?
Tk_GetColorByValue(tkwin, bg_brdr->darkColorPtr)->pixel :
BlackPixelOfScreen(bg_brdr->screen);
imgColors[5 /*F*/] =
Tk_GetColorByValue(tkwin, bg_brdr->bgColorPtr)->pixel;
imgColors[6 /*G*/] =
Tk_GetColorByValue(tkwin, indicatorColor)->pixel;
imgColors[7 /*H*/] =
Tk_GetColorByValue(tkwin, disableColor)->pixel;
/*
* Create the image, painting it into an XImage one pixel at a time.
*/
for (iy=0 ; iy<dim ; iy++) {
for (ix=0 ; ix<dim ; ix++) {
XPutPixel(img, ix, iy,
imgColors[button_images[imgstart+iy][imgsel+ix] - 'A'] );
}
}
/*
* Copy onto our target drawable surface.
*/
memset(&gcValues, 0, sizeof(gcValues));
gcValues.background = bg_brdr->bgColorPtr->pixel;
gcValues.graphics_exposures = False;
copyGC = Tk_GetGC(tkwin, 0, &gcValues);
XPutImage(display, pixmap, copyGC, img, 0, 0, 0, 0,
(unsigned int)dim, (unsigned int)dim);
XCopyArea(display, pixmap, d, copyGC, 0, 0,
(unsigned int)dim, (unsigned int)dim, x, y);
/*
* Tidy up.
*/
Tk_FreeGC(display, copyGC);
XDestroyImage(img);
Tk_FreePixmap(display, pixmap);
}
int
Tk_PostscriptImage(
Tk_Image image, /* Token for image to redisplay. */
Tcl_Interp *interp,
Tk_Window tkwin,
Tk_PostscriptInfo psinfo, /* postscript info */
int x, int y, /* Upper-left pixel of region in image that
* needs to be redisplayed. */
int width, int height, /* Dimensions of region to redraw. */
int prepass)
{
Image *imagePtr = (Image *) image;
int result;
XImage *ximage;
Pixmap pmap;
GC newGC;
XGCValues gcValues;
if (imagePtr->masterPtr->typePtr == NULL) {
/*
* No master for image, so nothing to display on postscript.
*/
return TCL_OK;
}
/*
* Check if an image specific postscript-generation function exists;
* otherwise go on with generic code.
*/
if (imagePtr->masterPtr->typePtr->postscriptProc != NULL) {
return imagePtr->masterPtr->typePtr->postscriptProc(
imagePtr->masterPtr->masterData, interp, tkwin, psinfo,
x, y, width, height, prepass);
}
if (prepass) {
return TCL_OK;
}
/*
* Create a Pixmap, tell the image to redraw itself there, and then
* generate an XImage from the Pixmap. We can then read pixel values out
* of the XImage.
*/
pmap = Tk_GetPixmap(Tk_Display(tkwin), Tk_WindowId(tkwin), width, height,
Tk_Depth(tkwin));
gcValues.foreground = WhitePixelOfScreen(Tk_Screen(tkwin));
newGC = Tk_GetGC(tkwin, GCForeground, &gcValues);
if (newGC != None) {
XFillRectangle(Tk_Display(tkwin), pmap, newGC, 0, 0,
(unsigned) width, (unsigned) height);
Tk_FreeGC(Tk_Display(tkwin), newGC);
}
Tk_RedrawImage(image, x, y, width, height, pmap, 0, 0);
ximage = XGetImage(Tk_Display(tkwin), pmap, 0, 0,
(unsigned) width, (unsigned) height, AllPlanes, ZPixmap);
Tk_FreePixmap(Tk_Display(tkwin), pmap);
if (ximage == NULL) {
/*
* The XGetImage() function is apparently not implemented on this
* system. Just ignore it.
*/
return TCL_OK;
}
result = TkPostscriptImage(interp, tkwin, psinfo, ximage, x, y,
width, height);
XDestroyImage(ximage);
return result;
}
