static void cdstipple(cdCtxCanvas *ctxcanvas, int n, int m, const unsigned char *stipple)
{
(void)stipple;
(void)m;
(void)n;
cdinteriorstyle(ctxcanvas, CD_SOLID);
}
static int cdbackopacity(cdCtxCanvas *ctxcanvas, int opaque)
{
ctxcanvas->canvas->back_opacity = opaque;
cdinteriorstyle(ctxcanvas, ctxcanvas->canvas->interior_style);
cdlinestyle(ctxcanvas, ctxcanvas->canvas->line_style);
return opaque;
}
static void cdpattern(cdCtxCanvas *ctxcanvas, int n, int m, const long int *pattern)
{
(void)pattern;
(void)m;
(void)n;
cdinteriorstyle(ctxcanvas, CD_SOLID);
}
static void cdpattern(cdCtxCanvas *ctxcanvas, int w, int h, const long int *colors)
{
int x, y;
GdkColor color;
if (ctxcanvas->last_pattern == 0 || (ctxcanvas->last_pattern_w != w || ctxcanvas->last_pattern_h != h))
{
if (ctxcanvas->last_pattern != 0)
{
g_object_unref(ctxcanvas->last_pattern);
g_object_unref(ctxcanvas->last_pattern_gc);
}
ctxcanvas->last_pattern = gdk_pixmap_new(ctxcanvas->wnd, w, h, ctxcanvas->depth);
if (!ctxcanvas->last_pattern)
return;
ctxcanvas->last_pattern_gc = gdk_gc_new((GdkDrawable*)ctxcanvas->last_pattern);
ctxcanvas->last_pattern_w = w;
ctxcanvas->last_pattern_h = h;
}
for (y = 0; y < h; y++)
{
for (x = 0; x < w; x++)
{
color = cdColorToGdk(colors[y*w+x]);
gdk_gc_set_rgb_fg_color(ctxcanvas->last_pattern_gc, &color);
gdk_draw_point(ctxcanvas->last_pattern, ctxcanvas->last_pattern_gc, x, h-y-1);
}
}
cdinteriorstyle(ctxcanvas, CD_PATTERN);
}
static void cdgdkCheckSolidStyle(cdCtxCanvas *ctxcanvas, int set)
{
if (ctxcanvas->canvas->interior_style == CD_SOLID)
return;
if (set)
gdk_gc_set_fill(ctxcanvas->gc, GDK_SOLID);
else
cdinteriorstyle(ctxcanvas, ctxcanvas->canvas->interior_style);
}
static int cdhatch(cdCtxCanvas *ctxcanvas, int hatch_style)
{
GdkColor fg, bg;
if (ctxcanvas->last_hatch)
g_object_unref(ctxcanvas->last_hatch);
fg.pixel = 1;
bg.pixel = 0;
ctxcanvas->last_hatch = gdk_pixmap_create_from_data(ctxcanvas->wnd, hatches[hatch_style],
HATCH_WIDTH, HATCH_HEIGHT, 1, &fg, &bg);
cdinteriorstyle(ctxcanvas, CD_HATCH);
return hatch_style;
}
static void cdfrect(cdCtxCanvas *ctxcanvas, double xmin, double xmax, double ymin, double ymax)
{
double points[4];
points[0] = xmin;
points[1] = ymin;
points[2] = xmax;
points[3] = ymax;
cgm_interior_style ( ctxcanvas->cgm, HOLLOW);
cgm_rectangle( ctxcanvas->cgm, points);
cdinteriorstyle(ctxcanvas, ctxcanvas->canvas->interior_style);
setbbox (ctxcanvas, points[0], points[1] );
setbbox (ctxcanvas, points[2], points[1] );
setbbox (ctxcanvas, points[2], points[3] );
setbbox (ctxcanvas, points[0], points[3] );
}
static void cdstipple(cdCtxCanvas *ctxcanvas, int w, int h, const unsigned char *data)
{
int x, y;
if (ctxcanvas->last_stipple == 0 || (ctxcanvas->last_stipple_w != w || ctxcanvas->last_stipple_h != h))
{
if (ctxcanvas->last_stipple != 0)
{
g_object_unref(ctxcanvas->last_stipple);
g_object_unref(ctxcanvas->last_stipple_gc);
}
ctxcanvas->last_stipple = gdk_pixmap_new(ctxcanvas->wnd, w, h, 1);
if (!ctxcanvas->last_stipple)
return;
ctxcanvas->last_stipple_gc = gdk_gc_new((GdkDrawable*)ctxcanvas->last_stipple);
ctxcanvas->last_stipple_w = w;
ctxcanvas->last_stipple_h = h;
}
for (y = 0; y < h; y++)
{
for (x = 0; x < w; x++)
{
GdkColor clr;
if(data[y*w+x])
clr.pixel = 1;
else
clr.pixel = 0;
gdk_gc_set_foreground(ctxcanvas->last_stipple_gc, &clr);
gdk_draw_point(ctxcanvas->last_stipple, ctxcanvas->last_stipple_gc, x, h-y-1);
}
}
cdinteriorstyle(ctxcanvas, CD_STIPPLE);
}