display refactor

components/display/core/gds_text.h

@@ -0,0 +1,45 @@
+/* 
+ *  (c) Philippe G. 2019, philippe_44@outlook.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#pragma once
+
+#include "gds_font.h"
+
+#define GDS_TEXT_CLEAR 		0x01
+#define	GDS_TEXT_CLEAR_EOL	0x02
+#define GDS_TEXT_UPDATE		0x04
+#define GDS_TEXT_MONOSPACE	0x08
+
+// these ones are for 'Pos' parameter of TextLine
+#define GDS_TEXT_LEFT 	0
+#define GDS_TEXT_RIGHT	0xff00
+#define	GDS_TEXT_CENTER 0xff01
+
+// these ones are for the 'Where' parameter of TextPos
+enum { GDS_TEXT_TOP_LEFT, GDS_TEXT_MIDDLE_LEFT, GDS_TEXT_BOTTOM_LEFT, GDS_TEXT_CENTERED };
+
+enum { GDS_FONT_DEFAULT, GDS_FONT_LINE_1, GDS_FONT_LINE_2, GDS_FONT_SEGMENT, 
+	   GDS_FONT_TINY, GDS_FONT_SMALL, GDS_FONT_MEDIUM, GDS_FONT_LARGE, GDS_FONT_FONT_HUGE };
+	   
+struct GDS_Device;
+	   
+bool 	GDS_TextSetFontAuto(struct GDS_Device* Device, int N, int FontType, int Space);
+bool 	GDS_TextSetFont(struct GDS_Device* Device, int N, const struct GDS_FontDef *Font, int Space);
+bool 	GDS_TextLine(struct GDS_Device* Device, int N, int Pos, int Attr, char *Text);
+int 	GDS_TextStretch(struct GDS_Device* Device, int N, char *String, int Max);
+void 	GDS_TextPos(struct GDS_Device* Device, int FontType, int Where, int Attr, char *Text, ...);