[kandinsky] KDPointZero and KDRectZero

kandinsky/Makefile

@@ -1,5 +1,5 @@
 SFLAGS += -Ikandinsky/include
-objs += $(addprefix kandinsky/src/, font.o line.o pixel.o rect.o text.o)
+objs += $(addprefix kandinsky/src/, font.o line.o pixel.o rect.o text.o types.o)
 tests += $(addprefix kandinsky/test/, set_pixel.c)
 
 FREETYPE_PATH := /usr/local/Cellar/freetype/2.5.5

kandinsky/include/kandinsky/rect.h

@@ -21,6 +21,8 @@ typedef struct {
   };
 } KDRect;
 
+extern KDRect KDRectZero;
+
 void KDFillRect(KDRect rect, KDColor color);
 
 #endif

kandinsky/include/kandinsky/types.h

@@ -10,6 +10,8 @@ typedef struct {
   KDCoordinate y;
 } KDPoint;
 
+extern KDPoint KDPointZero;
+
 #define KDPOINT(xc,yc) ((KDPoint){.x=(KDCoordinate)(xc),.y=(KDCoordinate)(yc)})
 static inline KDPoint KDPointTranslate(KDPoint p1, KDPoint p2) {
   return (KDPoint){.x = (KDCoordinate)(p1.x + p2.x), .y = (KDCoordinate)(p1.y + p2.y)};

kandinsky/src/rect.c

@@ -2,6 +2,8 @@
 #include <kandinsky/pixel.h>
 #include <string.h>
 
+KDRect KDRectZero = {.x = 0, .y = 0, .width = 0, .height = 0};
+
 void KDFillRect(KDRect rect, KDColor color) {
   //for (KDCoordinate y = rect.y ; y < (rect.y + rect.height); y++) {
     //memset(KDPixelAddress((KDPoint){.x=rect.x, .y=y}), color, rect.width);

kandinsky/src/types.c

@@ -0,0 +1,3 @@
+#include <kandinsky/types.h>
+
+KDPoint KDPointZero = {.x = 0, .y = 0};