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c496211676
gtk/gdk/linux-fb/gdkdrawable-fb2.c
Elliot Lee c496211676 Put it into CVS. 
Put it into CVS.
2000-05-31 21:50:38 +00:00

960 lines
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#include "gdkprivate-fb.h"
#include "mi.h"
#include <t1lib.h>
#ifndef g_alloca
#define g_alloca alloca
#endif
static void gdk_fb_drawable_destroy (GdkDrawable *drawable);
void gdk_fb_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height);
static void gdk_fb_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height,
gint angle1,
gint angle2);
static void gdk_fb_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
GdkPoint *points,
gint npoints);
static void gdk_fb_draw_text (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const gchar *text,
gint text_length);
static void gdk_fb_draw_text_wc (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const GdkWChar *text,
gint text_length);
void gdk_fb_draw_drawable (GdkDrawable *drawable,
GdkGC *gc,
GdkPixmap *src,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height);
static void gdk_fb_draw_points (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints);
static void gdk_fb_draw_segments (GdkDrawable *drawable,
GdkGC *gc,
GdkSegment *segs,
gint nsegs);
static void gdk_fb_draw_lines (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints);
GdkDrawableClass _gdk_fb_drawable_class = {
gdk_fb_drawable_destroy,
(gpointer)_gdk_fb_gc_new,
gdk_fb_draw_rectangle,
gdk_fb_draw_arc,
gdk_fb_draw_polygon,
gdk_fb_draw_text,
gdk_fb_draw_text_wc,
gdk_fb_draw_drawable,
gdk_fb_draw_points,
gdk_fb_draw_segments,
gdk_fb_draw_lines
};
/*****************************************************
* FB specific implementations of generic functions *
*****************************************************/
GdkColormap*
gdk_drawable_get_colormap (GdkDrawable *drawable)
{
GdkColormap *retval = GDK_DRAWABLE_P(drawable)->colormap;
if(!retval)
retval = gdk_colormap_get_system();
return retval;
}
void
gdk_drawable_set_colormap (GdkDrawable *drawable,
GdkColormap *colormap)
{
GdkColormap *old_cmap;
old_cmap = GDK_DRAWABLE_P(drawable)->colormap;
GDK_DRAWABLE_P(drawable)->colormap = gdk_colormap_ref(colormap);
gdk_colormap_unref(old_cmap);
}
/* Drawing
*/
static void
gdk_fb_drawable_destroy (GdkDrawable *drawable)
{
}
static GdkRegion *
gdk_fb_clip_region(GdkDrawable *drawable, GdkGC *gc, gboolean do_clipping)
{
GdkRectangle draw_rect;
GdkRegion *real_clip_region, *tmpreg;
g_assert(!GDK_IS_WINDOW(drawable) || !GDK_WINDOW_P(drawable)->input_only);
draw_rect.x = GDK_DRAWABLE_FBDATA(drawable)->llim_x;
draw_rect.y = GDK_DRAWABLE_FBDATA(drawable)->llim_y;
draw_rect.width = GDK_DRAWABLE_FBDATA(drawable)->lim_x - draw_rect.x;
draw_rect.height = GDK_DRAWABLE_FBDATA(drawable)->lim_y - draw_rect.y;
real_clip_region = gdk_region_rectangle(&draw_rect);
if(do_clipping && GDK_IS_WINDOW(drawable) && GDK_WINDOW_P(drawable)->mapped && !GDK_WINDOW_P(drawable)->input_only)
{
GdkWindow *parentwin, *lastwin;
for(parentwin = lastwin = ((GdkWindow *)drawable);
parentwin; lastwin = parentwin, parentwin = GDK_WINDOW_P(parentwin)->parent)
{
GList *cur;
for(cur = GDK_WINDOW_P(parentwin)->children; cur && cur->data != lastwin; cur = cur->next)
{
if(!GDK_WINDOW_P(cur->data)->mapped || GDK_WINDOW_P(cur->data)->input_only)
continue;
draw_rect.x = GDK_DRAWABLE_FBDATA(cur->data)->llim_x;
draw_rect.y = GDK_DRAWABLE_FBDATA(cur->data)->llim_y;
draw_rect.width = GDK_DRAWABLE_FBDATA(cur->data)->lim_x - draw_rect.x;
draw_rect.height = GDK_DRAWABLE_FBDATA(cur->data)->lim_y - draw_rect.y;
tmpreg = gdk_region_rectangle(&draw_rect);
gdk_region_subtract(real_clip_region, tmpreg);
gdk_region_destroy(tmpreg);
}
}
}
if(gc)
{
if(GDK_GC_FBDATA(gc)->clip_region)
{
tmpreg = gdk_region_copy(GDK_GC_FBDATA(gc)->clip_region);
gdk_region_offset(tmpreg, GDK_DRAWABLE_FBDATA(drawable)->abs_x + GDK_GC_P(gc)->clip_x_origin,
GDK_DRAWABLE_FBDATA(drawable)->abs_y + GDK_GC_P(gc)->clip_y_origin);
gdk_region_intersect(real_clip_region, tmpreg);
gdk_region_destroy(tmpreg);
}
if(GDK_GC_FBDATA(gc)->values.clip_mask)
{
GdkDrawable *cmask = GDK_GC_FBDATA(gc)->values.clip_mask;
g_assert(GDK_DRAWABLE_P(cmask)->depth == 1);
g_assert(GDK_DRAWABLE_FBDATA(cmask)->abs_x == 0
&& GDK_DRAWABLE_FBDATA(cmask)->abs_y == 0);
draw_rect.x = GDK_DRAWABLE_FBDATA(drawable)->abs_x + GDK_DRAWABLE_FBDATA(cmask)->llim_x + GDK_GC_FBDATA(gc)->values.clip_x_origin;
draw_rect.y = GDK_DRAWABLE_FBDATA(drawable)->abs_y + GDK_DRAWABLE_FBDATA(cmask)->llim_y + GDK_GC_FBDATA(gc)->values.clip_y_origin;
draw_rect.width = GDK_DRAWABLE_P(cmask)->width;
draw_rect.height = GDK_DRAWABLE_P(cmask)->height;
tmpreg = gdk_region_rectangle(&draw_rect);
gdk_region_intersect(real_clip_region, tmpreg);
gdk_region_destroy(tmpreg);
}
}
return real_clip_region;
}
static void
gdk_fb_fill_span(GdkDrawable *drawable, GdkGC *gc, GdkSegment *cur, guint pixel, GdkVisual *visual)
{
int curx, cury;
guchar *mem = GDK_DRAWABLE_FBDATA(drawable)->mem;
guint rowstride = GDK_DRAWABLE_FBDATA(drawable)->rowstride;
guint depth = GDK_DRAWABLE_P(drawable)->depth;
if(gc
&& (GDK_GC_FBDATA(gc)->values.clip_mask
|| GDK_GC_FBDATA(gc)->values.tile
|| GDK_GC_FBDATA(gc)->values.stipple))
{
int clipxoff, clipyoff; /* Amounts to add to curx & cury to get x & y in clip mask */
int tsxoff, tsyoff;
GdkDrawable *cmask;
guchar *clipmem;
guint mask_rowstride;
GdkPixmap *ts = NULL;
gboolean solid_stipple;
cmask = GDK_GC_FBDATA(gc)->values.clip_mask;
if(cmask)
{
clipmem = GDK_DRAWABLE_FBDATA(cmask)->mem;
clipxoff = GDK_DRAWABLE_FBDATA(cmask)->abs_x - GDK_GC_FBDATA(gc)->values.clip_x_origin - GDK_DRAWABLE_FBDATA(drawable)->abs_x;
clipyoff = GDK_DRAWABLE_FBDATA(cmask)->abs_y - GDK_GC_FBDATA(gc)->values.clip_y_origin - GDK_DRAWABLE_FBDATA(drawable)->abs_y;
mask_rowstride = GDK_DRAWABLE_FBDATA(cmask)->rowstride;
}
if(GDK_GC_FBDATA(gc)->values.fill == GDK_TILED
&& GDK_GC_FBDATA(gc)->values.tile)
{
gint xstep, ystep;
gint relx, rely;
ts = GDK_GC_FBDATA(gc)->values.tile;
for(cury = cur->y1; cury < cur->y2; cury += ystep)
{
int drawh;
rely = cury - GDK_DRAWABLE_FBDATA(drawable)->abs_y;
drawh = (rely + GDK_GC_FBDATA(gc)->values.ts_y_origin) % GDK_DRAWABLE_P(ts)->height;
if(drawh < 0)
drawh += GDK_DRAWABLE_P(ts)->height;
ystep = MIN(GDK_DRAWABLE_P(ts)->height - drawh, cur->y2 - rely);
for(curx = cur->x1; curx < cur->x2; curx += xstep)
{
int draww;
relx = curx - GDK_DRAWABLE_FBDATA(drawable)->abs_x;
draww = (relx + GDK_GC_FBDATA(gc)->values.ts_x_origin) % GDK_DRAWABLE_P(ts)->width;
if(draww < 0)
draww += GDK_DRAWABLE_P(ts)->width;
xstep = MIN(GDK_DRAWABLE_P(ts)->width - draww, cur->x2 - relx);
gdk_fb_draw_drawable_2(drawable, gc, ts,
draww, drawh,
relx, rely,
xstep, ystep, FALSE, TRUE);
}
}
return;
}
else if((GDK_GC_FBDATA(gc)->values.fill == GDK_STIPPLED
|| GDK_GC_FBDATA(gc)->values.fill == GDK_OPAQUE_STIPPLED)
&& GDK_GC_FBDATA(gc)->values.stipple)
{
ts = GDK_GC_FBDATA(gc)->values.stipple;
tsxoff = GDK_DRAWABLE_FBDATA(ts)->abs_x - GDK_GC_FBDATA(gc)->values.ts_x_origin - GDK_DRAWABLE_FBDATA(drawable)->abs_x;
tsyoff = GDK_DRAWABLE_FBDATA(ts)->abs_y - GDK_GC_FBDATA(gc)->values.ts_y_origin - GDK_DRAWABLE_FBDATA(drawable)->abs_y;
solid_stipple = (GDK_GC_FBDATA(gc)->values.fill == GDK_OPAQUE_STIPPLED);
}
switch(depth)
{
case 1:
g_assert(!ts);
for(cury = cur->y1; cury < cur->y2; cury++)
{
for(curx = cur->x1; curx < cur->x2; curx++)
{
guchar *ptr = mem + (cury * rowstride) + (curx >> 3);
int maskx = curx+clipxoff, masky = cury + clipyoff;
guchar foo;
if(cmask)
{
foo = clipmem[masky*mask_rowstride + (maskx >> 3)];
if(!(foo & (1 << (maskx % 8))))
continue;
}
*ptr |= (1 << (curx % 8));
}
}
break;
case 8:
for(cury = cur->y1; cury < cur->y2; cury++)
{
for(curx = cur->x1; curx < cur->x2; curx++)
{
guchar *ptr = mem + (cury * rowstride) + curx;
int maskx = curx+clipxoff, masky = cury + clipyoff;
guchar foo;
if(cmask)
{
foo = clipmem[masky*mask_rowstride + (maskx >> 3)];
if(!(foo & (1 << (maskx % 8))))
continue;
}
if(ts)
{
int wid = GDK_DRAWABLE_P(ts)->width, hih = GDK_DRAWABLE_P(ts)->height;
maskx = (curx+tsxoff)%wid;
masky = (cury+tsyoff)%hih;
if(maskx < 0)
maskx += wid;
if(masky < 0)
masky += hih;
foo = GDK_DRAWABLE_FBDATA(ts)->mem[(maskx >> 3) + GDK_DRAWABLE_FBDATA(ts)->rowstride*masky];
if(foo & (1 << (maskx % 8)))
{
pixel = GDK_GC_FBDATA(gc)->values.foreground.pixel;
}
else if(solid_stipple)
{
pixel = GDK_GC_FBDATA(gc)->values.background.pixel;
}
else
continue;
}
*ptr = pixel;
}
}
break;
case 16:
case 24:
case 32:
for(cury = cur->y1; cury < cur->y2; cury++)
{
for(curx = cur->x1; curx < cur->x2; curx++)
{
guint *ptr2 = (guint *)(mem + (cury * rowstride) + (curx * (depth >> 3)));
int maskx = curx+clipxoff, masky = cury + clipyoff;
guchar foo;
if(cmask)
{
foo = clipmem[masky*mask_rowstride + (maskx >> 3)];
if(!(foo & (1 << (maskx % 8))))
continue;
}
if(ts)
{
int wid = GDK_DRAWABLE_P(ts)->width, hih = GDK_DRAWABLE_P(ts)->height;
maskx = (curx+tsxoff)%wid;
masky = (cury+tsyoff)%hih;
if(maskx < 0)
maskx += wid;
if(masky < 0)
masky += hih;
foo = GDK_DRAWABLE_FBDATA(ts)->mem[(maskx >> 3) + GDK_DRAWABLE_FBDATA(ts)->rowstride*masky];
if(foo & (1 << (maskx % 8)))
{
pixel = GDK_GC_FBDATA(gc)->values.foreground.pixel;
}
else if(solid_stipple)
{
pixel = GDK_GC_FBDATA(gc)->values.background.pixel;
}
else
continue;
}
*ptr2 = (*ptr2 & ~(visual->red_mask|visual->green_mask|visual->blue_mask)) | pixel;
}
}
break;
}
}
else
{
switch(depth)
{
case 1:
for(cury = cur->y1; cury < cur->y2; cury++)
{
for(curx = cur->x1; curx < cur->x2; curx++)
{
guchar *ptr = mem + (cury * rowstride) + (curx >> 3);
if(pixel)
*ptr |= (1 << (curx % 8));
else
*ptr &= ~(1 << (curx % 8));
}
}
break;
case 8:
for(cury = cur->y1; cury < cur->y2; cury++)
{
guchar *ptr = mem + (cury * rowstride) + cur->x1;
memset(ptr, pixel, cur->x2 - cur->x1);
}
break;
case 16:
case 24:
case 32:
for(cury = cur->y1; cury < cur->y2; cury++)
{
for(curx = cur->x1; curx < cur->x2; curx++)
{
guint *ptr2 = (guint *)(mem + (cury * rowstride) + (curx * (depth >> 3)));
*ptr2 = (*ptr2 & ~(visual->red_mask|visual->green_mask|visual->blue_mask)) | pixel;
}
}
break;
}
}
}
void
gdk_fb_fill_spans(GdkDrawable *drawable,
GdkGC *gc,
GdkRectangle *rects, int nrects)
{
int i;
guint pixel;
GdkRegion *real_clip_region, *tmpreg;
GdkRectangle draw_rect, cursor_rect;
GdkVisual *visual = gdk_visual_get_system();
gboolean handle_cursor = FALSE;
if(GDK_IS_WINDOW(drawable) && !GDK_WINDOW_P(drawable)->mapped)
return;
if(GDK_IS_WINDOW(drawable) && GDK_WINDOW_P(drawable)->input_only)
g_error("Drawing on the evil input-only!");
if(gc)
pixel = GDK_GC_FBDATA(gc)->values.foreground.pixel;
else if(GDK_IS_WINDOW(drawable))
pixel = GDK_WINDOW_P(drawable)->bg_color.pixel;
else
pixel = 0;
real_clip_region = gdk_fb_clip_region(drawable, gc, TRUE);
gdk_fb_get_cursor_rect(&cursor_rect);
if(GDK_DRAWABLE_FBDATA(drawable)->mem == GDK_DRAWABLE_FBDATA(gdk_parent_root)->mem
&& cursor_rect.x >= 0
&& gdk_region_rect_in(real_clip_region, &cursor_rect) != GDK_OVERLAP_RECTANGLE_OUT)
{
handle_cursor = TRUE;
gdk_fb_cursor_hide();
}
for(i = 0; i < nrects; i++)
{
GdkSegment cur;
int j;
cur.x1 = rects[i].x;
cur.y1 = rects[i].y;
cur.x2 = cur.x1 + rects[i].width;
cur.y2 = cur.y1 + rects[i].height;
g_assert(cur.x2 >= cur.x1);
g_assert(cur.y2 >= cur.y1);
cur.x1 += GDK_DRAWABLE_FBDATA(drawable)->abs_x;
cur.x1 = MAX(cur.x1, GDK_DRAWABLE_FBDATA(drawable)->llim_x);
cur.x2 += GDK_DRAWABLE_FBDATA(drawable)->abs_x;
cur.x2 = MIN(cur.x2, GDK_DRAWABLE_FBDATA(drawable)->lim_x);
cur.x1 = MIN(cur.x1, cur.x2);
cur.y1 += GDK_DRAWABLE_FBDATA(drawable)->abs_y;
cur.y1 = MAX(cur.y1, GDK_DRAWABLE_FBDATA(drawable)->llim_y);
cur.y2 += GDK_DRAWABLE_FBDATA(drawable)->abs_y;
cur.y2 = MIN(cur.y2, GDK_DRAWABLE_FBDATA(drawable)->lim_y);
cur.y1 = MIN(cur.y1, cur.y2);
draw_rect.x = cur.x1;
draw_rect.y = cur.y1;
draw_rect.width = cur.x2 - cur.x1;
draw_rect.height = cur.y2 - cur.y1;
switch(gdk_region_rect_in(real_clip_region, &draw_rect))
{
case GDK_OVERLAP_RECTANGLE_PART:
tmpreg = gdk_region_rectangle(&draw_rect);
gdk_region_intersect(tmpreg, real_clip_region);
for(j = 0; j < tmpreg->numRects; j++)
gdk_fb_fill_span(drawable, gc, &tmpreg->rects[j], pixel, visual);
gdk_region_destroy(tmpreg);
break;
case GDK_OVERLAP_RECTANGLE_IN:
gdk_fb_fill_span(drawable, gc, &cur, pixel, visual);
break;
default:
break;
}
}
gdk_region_destroy(real_clip_region);
if(handle_cursor)
gdk_fb_cursor_unhide();
}
void
gdk_fb_draw_drawable_2 (GdkDrawable *drawable,
GdkGC *gc,
GdkPixmap *src,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height,
gboolean draw_bg,
gboolean do_clipping)
{
GdkRegion *real_clip_region, *tmpreg;
GdkRectangle rect, cursor_rect;
int i;
int src_x_off, src_y_off;
int clipxoff, clipyoff;
guchar *mem = GDK_DRAWABLE_FBDATA(drawable)->mem, *srcmem = GDK_DRAWABLE_FBDATA(src)->mem;
guchar *clipmem;
guint rowstride = GDK_DRAWABLE_FBDATA(drawable)->rowstride, src_rowstride = GDK_DRAWABLE_FBDATA(src)->rowstride;
guint clip_rowstride;
GdkDrawableFBData *fbd;
gboolean handle_cursor = FALSE;
GdkPixmap *bgpm = NULL;
GdkWindow *bg_relto = drawable;
if(GDK_IS_WINDOW(drawable) && !GDK_WINDOW_P(drawable)->mapped)
return;
if(GDK_IS_WINDOW(drawable) && GDK_WINDOW_P(drawable)->input_only)
g_error("Drawing on the evil input-only!");
if(GDK_IS_WINDOW(drawable))
{
bgpm = GDK_WINDOW_P(drawable)->bg_pixmap;
if(bgpm == GDK_PARENT_RELATIVE_BG)
{
for(; bgpm == GDK_PARENT_RELATIVE_BG && bg_relto; bg_relto = GDK_WINDOW_P(bg_relto)->parent)
bgpm = GDK_WINDOW_P(bg_relto)->bg_pixmap;
}
if(bgpm == GDK_NO_BG)
bgpm = NULL;
if(bgpm)
g_assert(GDK_DRAWABLE_P(bgpm)->depth == 8);
}
if(drawable == src)
{
GdkDrawableFBData *fbd = GDK_DRAWABLE_FBDATA(src);
/* One lame hack deserves another ;-) */
srcmem = g_alloca(fbd->rowstride * fbd->lim_y);
memcpy(srcmem, mem, fbd->rowstride * fbd->lim_y);
}
real_clip_region = gdk_fb_clip_region(drawable, gc, do_clipping);
rect.x = xdest + GDK_DRAWABLE_FBDATA(drawable)->abs_x;
rect.y = ydest + GDK_DRAWABLE_FBDATA(drawable)->abs_y;
rect.width = width;
rect.height = height;
tmpreg = gdk_region_rectangle(&rect);
gdk_region_intersect(real_clip_region, tmpreg);
gdk_region_destroy(tmpreg);
rect.x = xdest + GDK_DRAWABLE_FBDATA(drawable)->abs_x;
rect.y = ydest + GDK_DRAWABLE_FBDATA(drawable)->abs_y;
rect.width = MAX(GDK_DRAWABLE_P(src)->width - xsrc, 0);
rect.height = MAX(GDK_DRAWABLE_P(src)->height - ysrc, 0);
if(!rect.width || !rect.height)
goto out;
tmpreg = gdk_region_rectangle(&rect);
gdk_region_intersect(real_clip_region, tmpreg);
gdk_region_destroy(tmpreg);
src_x_off = (GDK_DRAWABLE_FBDATA(src)->abs_x + xsrc) - (GDK_DRAWABLE_FBDATA(drawable)->abs_x + xdest);
src_y_off = (GDK_DRAWABLE_FBDATA(src)->abs_y + ysrc) - (GDK_DRAWABLE_FBDATA(drawable)->abs_y + ydest);
clipxoff = - GDK_DRAWABLE_FBDATA(drawable)->abs_x;
clipyoff = - GDK_DRAWABLE_FBDATA(drawable)->abs_y;
if(gc)
{
clipxoff -= GDK_GC_FBDATA(gc)->values.clip_x_origin;
clipyoff -= GDK_GC_FBDATA(gc)->values.clip_y_origin;
if(GDK_GC_FBDATA(gc)->values.clip_mask)
{
fbd = GDK_DRAWABLE_FBDATA(GDK_GC_FBDATA(gc)->values.clip_mask);
clipmem = GDK_DRAWABLE_FBDATA(GDK_GC_FBDATA(gc)->values.clip_mask)->mem;
clip_rowstride = GDK_DRAWABLE_FBDATA(GDK_GC_FBDATA(gc)->values.clip_mask)->rowstride;
}
}
gdk_fb_get_cursor_rect(&cursor_rect);
if(do_clipping
&& GDK_DRAWABLE_FBDATA(drawable)->mem == GDK_DRAWABLE_FBDATA(gdk_parent_root)->mem
&& cursor_rect.x >= 0
&& gdk_region_rect_in(real_clip_region, &cursor_rect) != GDK_OVERLAP_RECTANGLE_OUT)
{
handle_cursor = TRUE;
gdk_fb_cursor_hide();
}
for(i = 0; i < real_clip_region->numRects; i++)
{
GdkRegionBox *cur = &real_clip_region->rects[i];
int cur_y;
if(GDK_DRAWABLE_P(src)->depth == GDK_DRAWABLE_P(drawable)->depth
&& GDK_DRAWABLE_P(src)->depth > 1
&& (!gc || !GDK_GC_FBDATA(gc)->values.clip_mask))
{
guint depth = GDK_DRAWABLE_P(src)->depth;
for(cur_y = cur->y1; cur_y < cur->y2; cur_y++)
{
memcpy(mem + (cur_y * rowstride) + cur->x1*(depth>>3),
srcmem + ((cur_y + src_y_off)*src_rowstride) + (cur->x1 + src_x_off)*(depth>>3),
(cur->x2 - cur->x1)*(depth>>3));
}
}
else
{
int cur_x;
for(cur_y = cur->y1; cur_y < cur->y2; cur_y++)
{
for(cur_x = cur->x1; cur_x < cur->x2; cur_x++)
{
guint pixel;
guint16 *p16;
guint32 *p32;
if(gc && GDK_GC_FBDATA(gc)->values.clip_mask)
{
int maskx = cur_x+clipxoff, masky = cur_y + clipyoff;
guchar foo;
if(maskx < 0 || masky < 0)
continue;
foo = clipmem[masky*clip_rowstride + (maskx >> 3)];
if(!(foo & (1 << (maskx % 8))))
continue;
}
switch(GDK_DRAWABLE_P(src)->depth)
{
case 1:
{
guchar foo = srcmem[((cur_x + src_x_off) >> 3) + ((cur_y + src_y_off)*src_rowstride)];
if(foo & (1 << ((cur_x + src_x_off) % 8))) {
pixel = GDK_GC_FBDATA(gc)->values.foreground.pixel;
} else if(draw_bg) {
if(bgpm)
{
int bgx, bgy;
bgx = (cur_x - GDK_DRAWABLE_FBDATA(bg_relto)->abs_x) % GDK_DRAWABLE_P(bgpm)->width;
bgy = (cur_y - GDK_DRAWABLE_FBDATA(bg_relto)->abs_y) % GDK_DRAWABLE_P(bgpm)->height;
pixel = GDK_DRAWABLE_FBDATA(bgpm)->mem[bgx + bgy * GDK_DRAWABLE_FBDATA(bgpm)->rowstride];
}
else
pixel = GDK_GC_FBDATA(gc)->values.background.pixel;
} else
continue;
}
break;
case 8:
pixel = srcmem[(cur_x + src_x_off) + ((cur_y + src_y_off)*src_rowstride)];
break;
case 16:
pixel = *(guint16 *)(srcmem + (cur_x + src_x_off)*2 + ((cur_y + src_y_off)*src_rowstride));
break;
case 24:
pixel = 0x00FFFFFF & *(guint32 *)(srcmem + (cur_x + src_x_off)*3 + ((cur_y + src_y_off)*src_rowstride));
break;
case 32:
pixel = *(guint32 *)(srcmem + (cur_x + src_x_off)*4 + ((cur_y + src_y_off)*src_rowstride));
break;
default:
g_assert_not_reached();
break;
}
switch(GDK_DRAWABLE_P(drawable)->depth)
{
case 1:
{
guchar *foo = mem + (cur_y*src_rowstride) + (cur_x >> 3);
if(pixel == GDK_GC_FBDATA(gc)->values.foreground.pixel)
*foo |= (1 << (cur_x % 8));
else
*foo &= ~(1 << (cur_x % 8));
}
break;
case 8:
mem[cur_x + cur_y*rowstride] = pixel;
break;
case 16:
p16 = (guint16 *)&mem[cur_x*2 + cur_y*rowstride];
*p16 = pixel;
break;
case 24:
p32 = (guint32 *)&mem[cur_x*3 + cur_y*rowstride];
*p32 = (*p32 & 0xFF000000) | pixel;
break;
case 32:
p32 = (guint32 *)&mem[cur_x*4 + cur_y*rowstride];
*p32 = pixel;
break;
default:
g_assert_not_reached();
break;
}
}
}
}
}
out:
gdk_region_destroy(real_clip_region);
if(handle_cursor)
gdk_fb_cursor_unhide();
}
void
gdk_fb_draw_drawable (GdkDrawable *drawable,
GdkGC *gc,
GdkPixmap *src,
gint xsrc,
gint ysrc,
gint xdest,
gint ydest,
gint width,
gint height)
{
gdk_fb_draw_drawable_2(drawable, gc, src, xsrc, ysrc, xdest, ydest, width, height, TRUE, TRUE);
}
static void
gdk_fb_draw_text(GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const gchar *text,
gint text_length)
{
GLYPH *g;
GdkDrawablePrivate tmp_pixmap;
GdkDrawableFBData fbd;
if(GDK_IS_WINDOW(drawable) && !GDK_WINDOW_P(drawable)->mapped)
return;
y -= font->ascent; /* y is relative to baseline, we want it relative to top left corner */
g = T1_SetString(GDK_FONT_FB(font)->t1_font_id, (char *)text, text_length, 0, T1_KERNING, GDK_FONT_FB(font)->size,
NULL);
g_assert(g);
tmp_pixmap.window_type = GDK_DRAWABLE_PIXMAP;
tmp_pixmap.width = (g->metrics.rightSideBearing - g->metrics.leftSideBearing);
tmp_pixmap.height = (g->metrics.ascent - g->metrics.descent);
tmp_pixmap.depth = 1;
fbd.mem = g->bits;
fbd.abs_x = fbd.abs_y = fbd.llim_x = fbd.llim_y = 0;
fbd.lim_x = tmp_pixmap.width;
fbd.lim_y = tmp_pixmap.height;
fbd.rowstride = (tmp_pixmap.width + 7) / 8;
tmp_pixmap.klass_data = &fbd;
tmp_pixmap.klass = &_gdk_fb_drawable_class;
gdk_fb_draw_drawable_2(drawable, gc, (GdkPixmap *)&tmp_pixmap, 0, 0, x, y, tmp_pixmap.width, tmp_pixmap.height, FALSE, TRUE);
}
static void
gdk_fb_draw_text_wc (GdkDrawable *drawable,
GdkFont *font,
GdkGC *gc,
gint x,
gint y,
const GdkWChar *text,
gint text_length)
{
char *realbuf;
int i;
if(GDK_IS_WINDOW(drawable) && (!GDK_WINDOW_P(drawable)->mapped || GDK_WINDOW_P(drawable)->input_only))
return;
/* A hack, a hack, a pretty little hack */
realbuf = alloca(text_length + 1);
for(i = 0; i < text_length; i++)
realbuf[i] = text[i];
realbuf[i] = 0;
gdk_fb_draw_text(drawable, font, gc, x, y, realbuf, text_length);
}
void
gdk_fb_draw_rectangle (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height)
{
GdkRectangle rect;
if(filled)
{
static volatile int print_rect = 0;
if(print_rect)
{
fprintf(debug_out, "[%d, %d] +[%d, %d]\n", x, y, width, height);
if(y < 0)
G_BREAKPOINT();
}
rect.x = x;
rect.y = y;
rect.width = width;
rect.height = height;
gdk_fb_fill_spans(drawable, gc, &rect, 1);
}
else
{
GdkPoint pts[5];
pts[0].x = pts[4].x = x;
pts[0].y = pts[4].y = y;
pts[1].x = x + width;
pts[1].y = y;
pts[2].x = x + width;
pts[2].y = y + height;
pts[3].x = x;
pts[3].y = y + height;
gdk_fb_draw_lines(drawable, gc, pts, 5);
}
}
static void gdk_fb_draw_points (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints)
{
GdkRectangle *rects = alloca(npoints * sizeof(GdkRectangle));
int i;
for(i = 0; i < npoints; i++)
{
rects[i].x = points[i].x;
rects[i].y = points[i].y;
rects[i].width = rects[i].height = 1;
}
gdk_fb_fill_spans(drawable, gc, rects, npoints);
}
static void gdk_fb_draw_arc (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
gint x,
gint y,
gint width,
gint height,
gint angle1,
gint angle2)
{
miArc arc;
arc.x = x;
arc.y = y;
arc.width = width;
arc.height = height;
arc.angle1 = angle1;
arc.angle2 = angle2;
if(filled)
miPolyFillArc(drawable, gc, 1, &arc);
else
miPolyArc(drawable, gc, 1, &arc);
}
static void gdk_fb_draw_polygon (GdkDrawable *drawable,
GdkGC *gc,
gint filled,
GdkPoint *points,
gint npoints)
{
if(filled)
miFillPolygon(drawable, gc, 0, 0, npoints, points);
else
{
GdkPoint *realpts = alloca(sizeof(GdkPoint) * (npoints + 1));
memcpy(realpts, points, sizeof(GdkPoint) * npoints);
realpts[npoints] = points[0];
gdk_fb_draw_lines(drawable, gc, points, npoints);
}
}
static void gdk_fb_draw_lines (GdkDrawable *drawable,
GdkGC *gc,
GdkPoint *points,
gint npoints)
{
if(GDK_GC_FBDATA(gc)->values.line_width > 0)
miWideLine(drawable, gc, 0, npoints, points);
else
miZeroLine(drawable, gc, 0, npoints, points);
}
static void gdk_fb_draw_segments (GdkDrawable *drawable,
GdkGC *gc,
GdkSegment *segs,
gint nsegs)
{
GdkPoint pts[2];
int i;
for(i = 0; i < nsegs; i++)
{
pts[0].x = segs[i].x1;
pts[0].y = segs[i].y1;
pts[1].x = segs[i].x2;
pts[1].y = segs[i].y2;
gdk_fb_draw_lines(drawable, gc, pts, 2);
}
}
void
gdk_fb_drawable_clear(GdkDrawable *d)
{
_gdk_windowing_window_clear_area(d, 0, 0, GDK_DRAWABLE_P(d)->width, GDK_DRAWABLE_P(d)->height);
}
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