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9 segment bitmap drawing:

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Use %x9(id) to draw an image in the whole current viewport using the
9 segment drawer (which draws the corners as normal and *tiles*
the middle segments to the needed width/height).

Future work is to make it scale instead of tile

Change-Id: Ic3ed1cad93f96091694801eb442e0da5a2401203
This commit is contained in:
Jonathan Gordon 2012-12-03 20:43:58 +11:00
parent 1fbdc280d7
commit 685cf59008
12 changed files with 76 additions and 6 deletions
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45
firmware/drivers/lcd-bitmap-common.c
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@ -615,3 +615,48 @@ void LCDFN(bmp)(const struct bitmap* bm, int x, int y)
}
#endif
void LCDFN(nine_segment_bmp)(const struct bitmap* bm, int x, int y,
int width, int height)
{
int seg_w = bm->width / 3;
int seg_h = bm->height / 3;
int src_x, src_y, dst_x, dst_y;
/* top */
src_x = seg_w; src_y = 0;
dst_x = seg_w; dst_y = 0;
for (; dst_x < width - seg_w; dst_x += seg_w)
LCDFN(bmp_part)(bm, src_x, src_y, dst_x, dst_y, seg_w, seg_h);
/* bottom */
src_x = seg_w; src_y = bm->height - seg_h;
dst_x = seg_w; dst_y = height - seg_h;
for (; dst_x < width - seg_w; dst_x += seg_w)
LCDFN(bmp_part)(bm, src_x, src_y, dst_x, dst_y, seg_w, seg_h);
/* left */
src_x = 0; src_y = seg_h;
dst_x = 0; dst_y = seg_h;
for (; dst_y < height - seg_h; dst_y += seg_h)
LCDFN(bmp_part)(bm, src_x, src_y, dst_x, dst_y, seg_w, seg_h);
/* right */
src_x = bm->width - seg_w; src_y = seg_h;
dst_x = width - seg_w; dst_y = seg_h;
for (; dst_y < height - seg_h; dst_y += seg_h)
LCDFN(bmp_part)(bm, src_x, src_y, dst_x, dst_y, seg_w, seg_h);
/* center */
dst_y = seg_h; src_y = seg_h; src_x = seg_w;
for (; dst_y < height - seg_h; dst_y += seg_h)
{
dst_x = seg_w;
for (; dst_x < width - seg_w; dst_x += seg_w)
LCDFN(bmp_part)(bm, src_x, src_y, dst_x, dst_y, seg_w, seg_h);
}
/* 4 corners */
LCDFN(bmp_part)(bm, 0, 0, x, y, seg_w, seg_h);
LCDFN(bmp_part)(bm, bm->width - seg_w, 0, width - seg_w, 0, seg_w, seg_h);
LCDFN(bmp_part)(bm, 0, bm->width - seg_h, 0, height - seg_h, seg_w, seg_h);
LCDFN(bmp_part)(bm, bm->width - seg_w, bm->width - seg_h,
width - seg_w, height - seg_h, seg_w, seg_h);
}