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System/Libraries/Graphics2D: Add @get_truetype_text_width()

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Alec Murphy 2025-04-09 08:59:06 -04:00
parent 5f10e5f86d
commit 2b8092f418
1 changed files with 51 additions and 0 deletions
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51
System/Libraries/Graphics2D.HC
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@ -1126,6 +1126,57 @@ I64 Print2D(Context2D* ctx, BitmapFont* font, I64 x, I64 y,
return retval;
}
I64 X1Pos(CDC* src)
{
I64 x = 0;
I64 y = 0;
I64 color;
while (x < src->width) {
y = 0;
while (y < src->height) {
color = GrPeek(src, x, y);
if (color)
return x;
y++;
}
x++;
}
return -1;
}
I64 X2Pos(CDC* src)
{
I64 x = src->width - 1;
I64 y = src->height - 1;
I64 color;
while (x > -1) {
y = src->height - 1;
while (y > -1) {
color = GrPeek(src, x, y);
if (color)
return x;
y--;
}
x--;
}
return -1;
}
I64 @get_truetype_text_width(U8* font_name, I64 size, U8* text)
{
stbtt_fontinfo* font = Fonts->@(font_name);
if (!font) {
return 0;
}
I64 res = 0;
CDC* dc = DCNew(Display.Width(), (size * 2));
Free(dc->body);
dc->body = @stbtt_RenderText(font, dc->width_internal, dc->height, ToI64(size * 1.5), text);
res = X2Pos(dc) - X1Pos(dc);
DCDel(dc);
return res;
}
U0 Text2D(Context2D* ctx, U8* font_name, I64 x, I64 y, I64 size, U32 color, U8* text)
{
stbtt_fontinfo* font = Fonts->@(font_name);