void nxgl_rectunion(FAR struct nxgl_rect_s *dest,
FAR const struct nxgl_rect_s *src1,
FAR const struct nxgl_rect_s *src2)
{
dest->pt1.x = ngl_min(src1->pt1.x, src2->pt1.x);
dest->pt1.y = ngl_min(src1->pt1.y, src2->pt1.y);
dest->pt2.x = ngl_max(src1->pt2.x, src2->pt2.x);
dest->pt2.y = ngl_max(src1->pt2.y, src2->pt2.y);
}
void nxtk_setsubwindows(FAR struct nxtk_framedwindow_s *fwnd)
{
nxgl_coord_t fullheight;
nxgl_coord_t bdrheight = 0;
nxgl_coord_t tbtop = fwnd->wnd.bounds.pt1.y;
nxgl_coord_t tbheight = 0;
nxgl_coord_t fwtop = fwnd->wnd.bounds.pt1.y;
nxgl_coord_t fwheight = 0;
nxgl_coord_t fullwidth;
nxgl_coord_t bdrwidth;
nxgl_coord_t fwwidth;
nxgl_coord_t fwleft;
/* Divide up the vertical dimension of the window */
fullheight = fwnd->wnd.bounds.pt2.y - fwnd->wnd.bounds.pt1.y + 1;
/* Is it tall enough for a border? */
if (fullheight > 0)
{
/* Get the border height */
bdrheight = ngl_min(2 * CONFIG_NXTK_BORDERWIDTH, fullheight);
/* Position the toolbar and client window just under the top border */
#if CONFIG_NXTK_BORDERWIDTH > 1
tbtop += CONFIG_NXTK_BORDERWIDTH - 1;
fwtop = tbtop + 1;
#else
tbtop += CONFIG_NXTK_BORDERWIDTH;
fwtop = tbtop;
#endif
/* Is it big enough for any part of the toolbar? */
if (fullheight > 2 * CONFIG_NXTK_BORDERWIDTH)
{
/* Yes.. get the height of the toolbar */
tbheight = fwnd->tbheight;
if (tbheight >= fullheight - bdrheight)
{
tbheight = fullheight - bdrheight;
}
else
{
/* And the client window gets whatever is left */
fwheight = fullheight - bdrheight - tbheight;
}
/* Position the client window just under the toolbar */
fwtop += tbheight;
}
}
/* Divide up the horizontal dimensions of the window */
fullwidth = fwnd->wnd.bounds.pt2.x - fwnd->wnd.bounds.pt1.x + 1;
bdrwidth = ngl_min(2 * CONFIG_NXTK_BORDERWIDTH, fullwidth);
fwwidth = fullwidth - bdrwidth;
fwleft = fwnd->wnd.bounds.pt1.x + bdrwidth / 2;
/* Realize the positions/dimensions */
fwnd->tbrect.pt1.x = fwleft;
fwnd->tbrect.pt1.y = tbtop;
fwnd->tbrect.pt2.x = fwleft + fwwidth - 1;
fwnd->tbrect.pt2.y = tbtop + tbheight - 1;
fwnd->fwrect.pt1.x = fwleft;
fwnd->fwrect.pt1.y = fwtop;
fwnd->fwrect.pt2.x = fwleft + fwwidth - 1;
fwnd->fwrect.pt2.y = fwtop + fwheight - 1;
}
void nxbe_filltrapezoid(FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_rect_s *clip,
FAR const struct nxgl_trapezoid_s *trap,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
{
struct nxbe_filltrap_s info;
struct nxgl_rect_s remaining;
int i;
#ifdef CONFIG_DEBUG
if (!wnd || !trap)
{
return;
}
#endif
/* Offset the trapezoid by the window origin to position it within
* the framebuffer region
*/
nxgl_trapoffset(&info.trap, trap, wnd->bounds.pt1.x, wnd->bounds.pt1.y);
/* Create a bounding box that contains the trapezoid */
remaining.pt1.x = b16toi(ngl_min(info.trap.top.x1, info.trap.bot.x1));
remaining.pt1.y = info.trap.top.y;
remaining.pt2.x = b16toi(ngl_max(info.trap.top.x2, info.trap.bot.x2));
remaining.pt2.y = info.trap.bot.y;
/* Clip to any user specified clipping window */
if (clip)
{
struct nxgl_rect_s tmp;
nxgl_rectoffset(&tmp, clip, wnd->bounds.pt1.x, wnd->bounds.pt1.y);
nxgl_rectintersect(&remaining, &remaining, &tmp);
}
/* Clip to the limits of the window and of the background screen */
nxgl_rectintersect(&remaining, &remaining, &wnd->bounds);
nxgl_rectintersect(&remaining, &remaining, &wnd->be->bkgd.bounds);
if (!nxgl_nullrect(&remaining))
{
info.cops.visible = nxbe_clipfilltrapezoid;
info.cops.obscured = nxbe_clipnull;
/* Then process each color plane */
#if CONFIG_NX_NPLANES > 1
for (i = 0; i < wnd->be->vinfo.nplanes; i++)
#else
i = 0;
#endif
{
info.color = color[i];
nxbe_clipper(wnd->above, &remaining, NX_CLIPORDER_DEFAULT,
&info.cops, &wnd->be->plane[i]);
}
}
}
int NXF_FUNCNAME(nxf_convert,NXFONTS_SUFFIX)
(FAR NXF_PIXEL_T *dest, uint16_t height, uint16_t width, uint16_t stride,
FAR const struct nx_fontbitmap_s *bm, nxgl_mxpixel_t color)
{
FAR uint8_t *line;
FAR NXF_PIXEL_T *dptr;
FAR const uint8_t *sptr;
uint8_t bmbyte;
int bmbit;
int row;
int col;
int bmndx;
#if NXFONTS_BITSPERPIXEL < 8
NXF_PIXEL_T mpixel;
NXF_PIXEL_T mask;
NXF_PIXEL_T pixel;
int nbits;
#endif
/* Get the starting position */
line = (uint8_t*)dest + bm->metric.yoffset * stride + NXF_SCALEX(bm->metric.xoffset);
/* Then copy the font */
height = ngl_min(bm->metric.height, height - bm->metric.yoffset);
width = ngl_min(bm->metric.width, width - bm->metric.xoffset);
/* Render each row of the glyph */
sptr = bm->bitmap;
#if NXFONTS_BITSPERPIXEL < 8
mpixel = NXF_MULTIPIXEL(color);
/* Handle each row in both the input and output */
for (row = 0; row < height; row++)
{
/* Process each byte in the glyph row */
col = 0;
dptr = (FAR NXF_PIXEL_T*)line;
pixel = *dptr;
mask = NXF_INITMASK;
nbits = 0;
for (bmndx = 0; bmndx < bm->metric.stride && col < width; bmndx++)
{
bmbyte = *sptr++;
/* Process each bit in one byte */
for (bmbit = 7; bmbit >= 0 && col < width; bmbit--, col++)
{
/* Is the bit set? */
if (bmbyte & (1 << bmbit))
{
/* Yes.. set the bit to 'color' in the output */
pixel = ((pixel & ~mask) | (mpixel & mask));
}
#ifdef CONFIG_NX_PACKEDMSFIRST
mask >>= NXFONTS_BITSPERPIXEL;
#else
mask <<= NXFONTS_BITSPERPIXEL;
#endif
nbits += NXFONTS_BITSPERPIXEL;
if (nbits >= 8)
{
*dptr++ = pixel;
pixel = *dptr;
mask = NXF_INITMASK;
nbits = 0;
}
}
}
/* The entire glyph row has been rendered. Handle any fractional bytes at
* the end of the row
*/
if (nbits > 0)
{
*dptr = pixel;
}
/* Point to the beginning of the next row */
line += stride;
}
#else
/* Handle each row in both the input and output */
for (row = 0; row < height; row++)
{
/* Process each byte in the glyph */
col = 0;
dptr = (FAR NXF_PIXEL_T*)line;
for (bmndx = 0; bmndx < bm->metric.stride && col < width; bmndx++)
{
bmbyte = *sptr++;
/* Process each bit in the byte */
for (bmbit = 7; bmbit >= 0 && col < width; bmbit--, col++)
{
/* Is the bit set? */
if (bmbyte & (1 << bmbit))
{
/* Yes.. set the bit to 'color' in the output */
*dptr++ = color;
}
else
{
/* No... keep the background color in the output */
dptr++;
}
}
}
/* Advance to the beginning of the next line in the destination */
line += stride;
}
#endif
return OK;
}