added draw.h, draw.c

1 files changed, 35 insertions, 0 deletions

diff --git a/draw.h b/draw.h
new file mode 100644
index 0000000..43a57bf
--- /dev/null
+++ b/draw.h
@@ -0,0 +1,35 @@
+/* See LICENSE file for copyright and license details. */
+
+#define FG(dc, col)  ((col)[(dc)->invert ? ColBG : ColFG])
+#define BG(dc, col)  ((col)[(dc)->invert ? ColFG : ColBG])
+
+enum { ColBG, ColFG, ColBorder, ColLast };
+
+typedef struct {
+	int x, y, w, h;
+	Bool invert;
+	Display *dpy;
+	GC gc;
+	Pixmap canvas;
+	struct {
+		int ascent;
+		int descent;
+		int height;
+		int width;
+		XFontSet set;
+		XFontStruct *xfont;
+	} font;
+} DC;  /* draw context */
+
+void drawrect(DC *dc, int x, int y, unsigned int w, unsigned int h, Bool fill, unsigned long color);
+void drawtext(DC *dc, const char *text, unsigned long col[ColLast]);
+void drawtextn(DC *dc, const char *text, size_t n, unsigned long col[ColLast]);
+void eprintf(const char *fmt, ...);
+void freedc(DC *dc);
+unsigned long getcolor(DC *dc, const char *colstr);
+DC *initdc(void);
+void initfont(DC *dc, const char *fontstr);
+void mapdc(DC *dc, Window win, unsigned int w, unsigned int h);
+void resizedc(DC *dc, unsigned int w, unsigned int h);
+int textnw(DC *dc, const char *text, size_t len);
+int textw(DC *dc, const char *text);