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Required changes for version change to 0.99.4

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Sun Mar  1 15:18:38 PST 1998 Shawn T. Amundson <amundson@gimp.org>

        * Required changes for version change to 0.99.4

        * gtk/gtktree.[ch]: patch from J. Bolliet to correct some bugs
        * gtk/testgtk.c: added test here from J. Bolliet, removed testtree

        * gtk/clist: gtk-abilleira-981602-0, allows gtk_clist_set_pixmap
          and gtk_clist_set_pixtext to not require a mask

        * gdk/gdkdraw.c,gdk.h: gtk-trow-980217-0
          adds gdk_draw_lines and fixes some things about
          gdk_draw_polygon
This commit is contained in:
PST 1998 Shawn T. Amundson
1998-03-02 00:32:52 +00:00
committed by Shawn Amundson
parent 80fd0a0c00
commit f6f1ce01c6
24 changed files with 1452 additions and 299 deletions
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54
docs/faq/gtkfaq.sgml
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@ -696,6 +696,60 @@ uses glib (see below), it will be more portable and safer to use on multiple pla
<!-- Examples, anybody? I've been mulling some over. NF -->
<sect1>How do I use color allocation?
<p>
One of the nice things about GDK is that it's based on top of Xlib; this is also
a problem, especially in the area of color management. If you want to use color
in your program (drawing a rectangle or such, your code should look something like
this:
<tscreen>
<verb>
{
GdkColor *color;
int width, height;
GtkWidget *widget;
...
/* first, create a GC to draw on */
gc = gdk_gc_new(widget->window);
/* find proper dimensions for rectangle */
gdk_window_get_size(widget->window, &width, &height);
/* the color we want to use */
color = (GdkColor *)malloc(sizeof(GdkColor));
/* red, green, and blue are passed values, indicating the RGB triple
* of the color we want to draw. Note that the values of the RGB components
* within the GdkColor are taken from 0 to 65535, not 0 to 255.
*/
color->red = red * (65535/255);
color->green = green * (65535/255);
color->blue = blue * (65535/255);
/* the pixel value indicates the index in the colormap of the color.
* it is simply a combination of the RGB values we set earlier
*/
color->pixel = (gulong)(red*65536 + green*256 + blue);
/* However, the pixel valule is only truly valid on 24-bit (TrueColor)
* displays. Therefore, this call is required so that GDK and X can
* give us the closest color available in the colormap
*/
gdk_color_alloc(gtk_widget_get_colormap(widget), color);
/* set the foreground to our color */
gdk_gc_set_foreground(gc, color);
/* draw the rectangle */
gdk_draw_rectangle(widget->window, gc, 1, 0, 0, width, height);
...
}
</verb>
</tscreen>
<!-- ***************************************************************** -->
<sect>About glib
<!-- ***************************************************************** -->