diff options
Diffstat (limited to 'sys/libfont/test.c')
| -rw-r--r-- | sys/libfont/test.c | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/sys/libfont/test.c b/sys/libfont/test.c index bd55f33..7ce9dc0 100644 --- a/sys/libfont/test.c +++ b/sys/libfont/test.c @@ -5,25 +5,26 @@ #define STB_IMAGE_WRITE_IMPLEMENTATION #include "stb_image_write.h" -#define W 512 -#define H 128 -#define L 64 +#define DIV 2 +#define W 1920/DIV +#define H 1080 +#define L H/80 -static char *phrase = "the quick brown"; +static char *phrase = "strlen(info)=000"; int main() { - int i, err; - float x, dx, scale; - uchar *bitmap; + int i, j, k, err; + float x, dx, dy, scale, sx, sy; + uchar *bitmap, *work; font·Info *info; mmap·Reader fontfile; - int off, y, ascent, descent, baseln; + int w, h, off, y, ascent, descent, baseln; int adv, lsb, r0[2], r1[2]; err = 0; - fontfile = mmap·open("/home/nolln/root/data/DejaVuSans.ttf"); + fontfile = mmap·open("/home/nolln/root/data/Inconsolata-Regular.ttf"); if (!fontfile.len) { err = 1; goto end; @@ -39,16 +40,29 @@ main() font·vmetrics(info, &ascent, &descent, &baseln); ascent *= scale; - x = 0.; + x = 0.; + dy = 0.; for (i = 0; i < strlen(phrase); i++) { dx = x - (float)floor(x); font·code_hmetrics(info, phrase[i], &adv, &lsb); - font·code_bitmapbox_subpixel(info, phrase[i], scale, scale, dx, 0, r0, r0+1, r1, r1+1); + font·code_bbox_subpixel(info, phrase[i], scale, scale, dx, 0, r0, r0+1, r1, r1+1); y = ascent + r0[1]; - off = (int)floor(x) + (lsb * scale) + y * W; + dy = y - (float)floor(y); - font·code_fillbitmap_subpixel(info, bitmap+off, r1[0]-r0[0], r1[1]-r0[1], W, scale, scale, dx, 0, phrase[i]); + w = r1[0]-r0[0]; + h = r1[1]-r0[1]; + + work = calloc(w*h, sizeof(*bitmap)); + font·code_fillbitmap_subpixel_prefilter(info, work, w, h, w, scale, scale, dx, 0, 1, 1, &sx, &sy, phrase[i]); + + off = (int)floor(x+sx) + r0[0] + ((int)floor(sy)+y) * W; + for (j = 0; j < h; j++) { + for (k = 0; k < w; k++) { + bitmap[off + W*j + k] += work[k + w*j]; + } + } + free(work); x += scale * adv; if (phrase[i+1]) |