Rename DrawText to DrawTextFixSize and create DrawText

doc/manual.md

@@ -25,7 +25,12 @@ syscalls.Event.<EventName>
 
 ### Text encoding
 
+```lua
+syscalls.Encoding.<value>
+```
+
 + `cp866`
++ `cp866_8x16`
 + `utf8`
 + `utf16`
 
@@ -52,7 +57,9 @@ syscalls.textSize.<value>
 + `56x112`
 + `64x128`
 
-### `DrawText(text, xPos, yPos, textColor, textSize, textLen, backgroundColor, encoding)`
+### `DrawText(text, xPos, yPos, textColor, textScale, textLen, backgroundColor, encoding)`
+
+### `DrawTextFixSize(text, xPos, yPos, textColor, textSize, textLen, backgroundColor, encoding)`
 
 Draw text.
 

src/graphic.c

@@ -28,8 +28,29 @@ int syscalls_drawLine(lua_State* L)
 	return 0;
 }
 
+static void drawText(char* text, uint32_t x, uint32_t y, ksys_color_t color, size_t len, uint64_t backgroundColor)
+{
+	bool fillBackground = !(backgroundColor << 32);
 
-static void syscall_drawText(const char* text, uint32_t x, uint32_t y, ksys_color_t color, enum TextScale size, uint32_t len, bool fillBackground, ksys_color_t backgroundColor, enum DrawTextEncoding encoding)
+	color |= (fillBackground << 30);
+
+	if (len == 0)
+	{
+		color |= (1 << 31);
+	}
+
+	asm_inline(
+		"int $0x40"
+		::"a"(4),
+		"b"((x << 16) | y),
+		"c"(color),
+		"d"(text),
+		"S"(len),
+		"D"((uint32_t)backgroundColor));
+}
+
+
+static void syscall_drawText(const char* text, uint32_t x, uint32_t y, ksys_color_t color, enum TextScale size, uint32_t len, uint64_t backgroundColor, enum DrawTextEncoding encoding)
 {
 
 	enum DrawTextEncoding_
@@ -53,9 +74,6 @@ static void syscall_drawText(const char* text, uint32_t x, uint32_t y, ksys_colo
 
 	color &= 0x00FFFFFF;
 
-	color |= (fillBackground << 30);
-
-
 	switch (size)
 	{
 	case TextScale_SIZE_6x9:
@@ -110,32 +128,38 @@ static void syscall_drawText(const char* text, uint32_t x, uint32_t y, ksys_colo
 		break;
 	};
 
-	if (len == NULL)
-		color |= (1 << 31);
-
-	asm_inline(
-		"int $0x40" ::"a"(4),
-		"b"((x << 16) | y),
-		"c"(color),
-		"d"(text),
-		"S"(len),
-		"D"(backgroundColor));
+	drawText(text, x, y, color, len, backgroundColor);
 }
 
 int syscalls_drawText(lua_State* L)
 {
-	LUA_INTEGER backgroundColor = luaL_optinteger(L, 7, 0);
+	const char text = luaL_checkstring(L, 1);
+	uint32_t x = luaL_checkinteger(L, 2);
+	uint32_t y = luaL_checkinteger(L, 3);
+	ksys_color_t color = luaL_checkinteger(L, 4);
+	uint8_t scale = luaL_optinteger(L, 5, 1);
+	uint32_t len = luaL_optinteger(L, 6, 0);
+	LUA_INTEGER backgroundColor = luaL_optinteger(L, 7, 1 << 32);
+	enum DrawTextEncoding encoding = luaL_optinteger(L, 8, DEFAULT_ENCODING);
 
+	color |= (encoding << 28) | (scale << 24);
+
+	drawText(text, x, y, color, len, backgroundColor);
+
+	return 0;
+}
+
+int syscalls_drawTextFixSize(lua_State* L)
+{
 	syscall_drawText(
 		luaL_checkstring(L, 1),
 		luaL_checkinteger(L, 2),
 		luaL_checkinteger(L, 3),
 		luaL_checkinteger(L, 4),
 		luaL_optinteger(L, 5, TextScale_SIZE_8x16),
-		luaL_optinteger(L, 6, NULL),
-		backgroundColor << 32,
-		backgroundColor,
-		luaL_optinteger(L, 8, cp866)
+		luaL_optinteger(L, 6, 0),
+		luaL_optinteger(L, 7, 1 << 32),
+		luaL_optinteger(L, 8, DEFAULT_ENCODING)
 	);
 
 	return 0;

src/graphic.h

@@ -27,12 +27,16 @@ enum TextScale
 enum DrawTextEncoding
 {
 	cp866 = 1,
+	cp866_8x16 = 2,
 	utf8 = 3,
 	utf16 = 4
 };
 
+#define DEFAULT_ENCODING cp866
+
 int syscalls_drawLine(lua_State* L);
 int syscalls_drawText(lua_State* L);
+int syscalls_drawTextFixSize(lua_State* L);
 int syscalls_drawRectangle(lua_State* L);
 int syscalls_ReadPoint(lua_State* L);
 int syscalls_screenSize(lua_State* L);
@@ -99,6 +103,9 @@ inline void syscalls_push_Encoding(lua_State* L)
 	lua_pushinteger(L, cp866);
 	lua_setfield(L, -2, "cp866");
 
+	lua_pushinteger(L, cp866_8x16);
+	lua_setfield(L, -2, "cp866_8x16");
+
 	lua_pushinteger(L, utf8);
 	lua_setfield(L, -2, "utf8");
 

src/syscalls.c

@@ -1565,6 +1565,7 @@ static const luaL_Reg syscallsLib[] = {
 	{"DrawLine", syscalls_drawLine},
 	{"DrawPixel", syscalls_drawPixel},
 	{"DrawText", syscalls_drawText},
+	{"DrawTextFixSize", syscalls_drawTextFixSize},
 	{"DrawRectangle", syscalls_drawRectangle},
 	{"ReadPoint", syscalls_ReadPoint},
 	/* keyboard funcs */