falsycat/glyphs-juke
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Fixes glyph rendering.

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This commit is contained in:
falsycat 2021-08-26 11:45:41 +09:00
parent e74a599ac1
commit 11279acb02
1 changed files with 5 additions and 2 deletions
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7
src/Font.h
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@ -78,7 +78,7 @@ namespace gj {
const float x_shift = w - (int) w;
stbtt_GetCodepointBitmapBoxSubpixel(&stb_, c, s, s, x_shift, 0, &x0, &y0, &x1, &y1);
const int ch = y1 - y0;
const int ch = baseline+1;
if (h < ch) h = static_cast<float>(ch);
w += advance * s;
@ -97,6 +97,9 @@ namespace gj {
int x0, y0, x1, y1;
const float x_shift = x - (int)x;
stbtt_GetCodepointBitmapBoxSubpixel(&stb_, c, s, s, x_shift, 0, &x0, &y0, &x1, &y1);
if (x1 - x0 > 64 || y1 - y0 > 64) {
gj::Abort("font size is too huge");
}
uint8_t ptr[64][64] = {0};
stbtt_MakeCodepointBitmapSubpixel(&stb_, &ptr[0][0], x1-x0, y1-y0, 64, s, s, x_shift, 0, c);
@ -107,7 +110,7 @@ namespace gj {
const int b = baseline + y1;
for (int y = 0; y < b-u; ++y) {
for (int x = 0; x < r-l; ++x) {
dst[y*static_cast<int>(w) + l+x] = static_cast<float>(ptr[y][x]*1. / UINT8_MAX);
dst[(u+y)*static_cast<int>(w) + l+x] = static_cast<float>(ptr[y][x]*1. / UINT8_MAX);
}
}
x += advance * s;