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Fixed issue-234 by enhancing the drawing algorithm.

This commit is contained in:
Matthias Koefferlein 2019-02-23 10:23:47 +01:00
parent f93dc85c37
commit fc486062d8
1 changed files with 15 additions and 4 deletions
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19
src/laybasic/laybasic/layGridNet.cc
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@ -350,8 +350,8 @@ public:
continue; continue;
} }
const uint32_t *dc = ff.data () + size_t (ch - ff.first_char ()) * ff.height (); const uint32_t *dc = ff.data () + size_t (ch - ff.first_char ()) * ff.height () * ff.stride ();
for (unsigned int i = 0; i < ff.height (); ++i, ++dc) { for (unsigned int i = 0; i < ff.height (); ++i, dc += ff.stride ()) {
int iy = y - ff.height () + i + 1; int iy = y - ff.height () + i + 1;
if (iy >= 0 || iy < mp_img->height ()) { if (iy >= 0 || iy < mp_img->height ()) {
@ -359,10 +359,21 @@ public:
uint32_t *d = (uint32_t *) mp_img->scanLine (y - ff.height () + i); uint32_t *d = (uint32_t *) mp_img->scanLine (y - ff.height () + i);
uint32_t m = 1; uint32_t m = 1;
int ix = x; int ix = x;
for (unsigned int j = 0; j < ff.width (); ++j, m <<= 1, ++ix) { const uint32_t *ds = dc;
if (*dc & m && ix >= 0 && ix < mp_img->width ()) {
for (unsigned int j = 0; j < ff.width (); ++j, ++ix) {
if ((*ds & m) && ix >= 0 && ix < mp_img->width ()) {
d[ix] = c.rgb (); d[ix] = c.rgb ();
} }
m <<= 1;
// word wrap
if (m == 0) {
++ds;
m = 1;
}
} }
} }