refactor font.c into an MwFL section (#9)

Reviewed-on: https://gitea.nishi.boats/pyrite-dev/milsko/pulls/9 Co-authored-by: IoIxD <alphaproject217@gmail.com> Co-committed-by: IoIxD <alphaproject217@gmail.com>
2026-03-04 13:59:28 -06:00 · 2026-03-04 13:59:28 -06:00 · e09eccbf5f
commit e09eccbf5f
parent b3735fa364
15 changed files with 489 additions and 416 deletions
--- a/src/text/text.c
+++ b/src/text/text.c
@ -0,0 +1,158 @@
+#include <Mw/Milsko.h>
+
+int (*MwFLDrawText)(MwWidget handle, MwPoint* point, const char* text, int bold, int align, MwLLColor color) = NULL;
+int (*MwFLTextWidth)(MwWidget handle, const char* text)							     = NULL;
+int (*MwFLTextHeight)(MwWidget handle, int count)							     = NULL;
+void* (*MwFLFontLoad)(unsigned char* data, unsigned int size)						     = NULL;
+void (*MwFLFontFree)(void* handle)									     = NULL;
+
+#if defined(USE_FREETYPE2) || defined(USE_STB_TRUETYPE)
+#define TTF
+#endif
+
+#define FontWidth 7
+#define FontHeight 14
+
+static void bitmap_MwDrawText(MwWidget handle, MwPoint* point, const char* text, int bold, int align, MwLLColor color);
+
+void MwDrawText(MwWidget handle, MwPoint* point, const char* text, int bold, int align, MwLLColor color) {
+	if(strlen(text) == 0) return;
+#ifdef TTF
+	if(MwFLDrawText)
+		if(MwGetInteger(handle, MwNbitmapFont) || MwFLDrawText(handle, point, text, bold, align, color))
+#endif
+			bitmap_MwDrawText(handle, point, text, bold, align, color);
+}
+
+int MwTextWidth(MwWidget handle, const char* text) {
+	/* TODO: check newline */
+#ifdef TTF
+	int st;
+
+	if(MwFLTextWidth)
+		if(!MwGetInteger(handle, MwNbitmapFont) && (st = MwFLTextWidth(handle, text)) != -1) return st;
+#else
+	(void)handle;
+
+#endif
+	return MwUTF8Length(text) * FontWidth;
+}
+
+int MwTextHeight(MwWidget handle, const char* text) {
+	int c = 1;
+	int i = 0;
+#ifdef TTF
+	int st;
+#endif
+
+	(void)handle;
+	(void)text;
+
+	while(text[i] != 0) {
+		int out;
+		int l = MwUTF8ToUTF32(text + i, &out);
+		if(l == 0) break;
+		i += l;
+
+		if(out == '\n') c++;
+	}
+#ifdef TTF
+	if(MwFLTextHeight)
+		if(!MwGetInteger(handle, MwNbitmapFont) && (st = MwFLTextHeight(handle, c)) != -1) return st;
+#endif
+	return FontHeight * c;
+}
+
+void* MwFontLoad(unsigned char* data, unsigned int size) {
+	if(MwFLFontLoad)
+		return MwFLFontLoad(data, size);
+	return NULL;
+}
+
+void MwFontFree(void* handle) {
+	if(MwFLFontFree)
+		return MwFLFontFree(handle);
+}
+
+static void bitmap_MwDrawText(MwWidget handle, MwPoint* point, const char* text, int bold, int align, MwLLColor color) {
+	int	       i = 0, x, y, sx, sy;
+	int	       tw, th;
+	unsigned char* px;
+	MwRect	       r;
+	MwLLPixmap     p;
+
+	if(strlen(text) == 0) text = " ";
+	tw = MwTextWidth(handle, text);
+	th = MwTextHeight(handle, text);
+	px = malloc(tw * th * 4);
+
+	memset(px, 0, tw * th * 4);
+
+	sx = 0;
+	sy = 0;
+
+	while(text[i] != 0) {
+		int out;
+		i += MwUTF8ToUTF32(text + i, &out);
+
+		if(out > 0xff) {
+			out = 0;
+		}
+
+		if(out == '\n') {
+			sx = 0;
+			sy += FontHeight;
+		} else {
+			for(y = 0; y < FontHeight; y++) {
+				for(x = 0; x < FontWidth; x++) {
+					unsigned char* ppx = &px[((sy + y) * tw + sx + x) * 4];
+					if((bold ? MwBoldFontData : MwFontData)[out].data[y] & (1 << ((FontWidth - 1) - x))) {
+						ppx[0] = color->common.red;
+						ppx[1] = color->common.green;
+						ppx[2] = color->common.blue;
+						ppx[3] = 255;
+					} else {
+						ppx[0] = 0;
+						ppx[1] = 0;
+						ppx[2] = 0;
+						ppx[3] = 0;
+					}
+				}
+			}
+			sx += FontWidth;
+		}
+	}
+
+	p	 = MwLoadRaw(handle, px, tw, th);
+	r.x	 = point->x;
+	r.y	 = point->y - th / 2;
+	r.width	 = tw;
+	r.height = th;
+
+	if(align == MwALIGNMENT_CENTER) {
+		r.x -= tw / 2;
+	} else if(align == MwALIGNMENT_END) {
+		r.x -= tw;
+	}
+
+	MwLLDrawPixmap(handle->lowlevel, &r, p);
+	MwLLDestroyPixmap(p);
+	free(px);
+}
+
+typedef int (*call_t)();
+void MwFLSetup() {
+	call_t calls[] = {
+#ifdef USE_FREETYPE2
+	    MWFL_FT2Setup,
+#endif
+#ifdef USE_STB_TRUETYPE
+	    MwFL_STBTTSetup,
+#endif
+	    NULL};
+	int i;
+
+	for(i = 0; calls[i] != NULL; i++) {
+		if(calls[i]() == 0) return;
+	}
+}