Add GDISP font routines. Fix demo bugs

Add GDISP font routines to Open and Close a font by name.
Allows wildcard searching for fonts.
Old global font variables are now only optionally included (soon to be
deprecated).
More demo fixing

1 files changed, 196 insertions, 68 deletions

diff --git a/src/gdisp/fonts.c b/src/gdisp/fonts.c
index fda963dd..e02dc3bd 100644
--- a/src/gdisp/fonts.c
+++ b/src/gdisp/fonts.c
@@ -18,9 +18,14 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

 

-/*

-	Font tables included into gdisp.c

-*/

+/**

+ * @file    src/gdisp/fonts.c

+ * @brief   GDISP Font Handling.

+ *

+ * @addtogroup GDISP

+ * @{

+ */

+

 #include "ch.h"

 #include "hal.h"

 #include "gfx.h"

@@ -29,26 +34,37 @@
 

 #include "gdisp/fonts.h"

 

+#if GDISP_OLD_FONT_DEFINITIONS

+	#define FONT_DECL

+#else

+	#define FONT_DECL static

+#endif

 

 /* fontSmall - for side buttons */

-#if 1

+#if GDISP_INCLUDE_FONT_SMALL

     /* Forward Declarations of internal arrays */

     static const uint8_t        fontSmall_Widths[];

     static const uint16_t       fontSmall_Offsets[];

     static const fontcolumn_t   fontSmall_Data[];

 

-	const struct font fontSmall = { 11, 0, 14, 2, 2, 12, ' ', '~', 1, 1,

-	                                fontSmall_Widths,

-	                                fontSmall_Offsets,

-	                                fontSmall_Data};

-	const struct font fontSmallDouble = { 11, 0, 14, 2, 2, 12, ' ', '~', 2, 2,

-	                                fontSmall_Widths,

-	                                fontSmall_Offsets,

-	                                fontSmall_Data};

-	const struct font fontSmallNarrow = { 11, 0, 14, 2, 2, 12, ' ', '~', 1, 2,

-	                                fontSmall_Widths,

-	                                fontSmall_Offsets,

-	                                fontSmall_Data};

+    FONT_DECL const struct font fontSmall = {

+									"Small",

+									11, 0, 14, 2, 2, 12, ' ', '~', 1, 1,

+									fontSmall_Widths,

+									fontSmall_Offsets,

+									fontSmall_Data};

+    FONT_DECL const struct font fontSmallDouble = {

+									"Small Double",

+									11, 0, 14, 2, 2, 12, ' ', '~', 2, 2,

+									fontSmall_Widths,

+									fontSmall_Offsets,

+									fontSmall_Data};

+    FONT_DECL const struct font fontSmallNarrow = {

+									"Small Narrow",

+									11, 0, 14, 2, 2, 12, ' ', '~', 1, 2,

+									fontSmall_Widths,

+									fontSmall_Offsets,

+									fontSmall_Data};

 

 	static const uint8_t fontSmall_Widths[] = {

 		2, 3, 6, 8, 7, 9, 7, 3, 4, 4, 5, 7, 4, 4, 3, 6,

@@ -172,24 +188,30 @@
 #endif

 

 /* fontLarger - Tahoma, 11, Bold */

-#if 1

+#if GDISP_INCLUDE_FONT_LARGER

     /* Forward Declarations of internal arrays */

     static const uint8_t        fontLarger_Widths[];

     static const uint16_t       fontLarger_Offsets[];

     static const fontcolumn_t   fontLarger_Data[];

 

-	const struct font fontLarger = { 12, 1, 13, 2, 2, 13, ' ', '~', 1, 1,

-	                                 fontLarger_Widths,

-	                                 fontLarger_Offsets,

-	                                 fontLarger_Data};

-	const struct font fontLargerDouble = { 12, 1, 13, 2, 2, 13, ' ', '~', 2, 2,

-									 fontLarger_Widths,

-	                                 fontLarger_Offsets,

-	                                 fontLarger_Data};

-	const struct font fontLargerNarrow = { 12, 1, 13, 2, 2, 13, ' ', '~', 1, 2,

-	                                 fontLarger_Widths,

-	                                 fontLarger_Offsets,

-	                                 fontLarger_Data};

+    FONT_DECL const struct font fontLarger = {

+									"Larger",

+									12, 1, 13, 2, 2, 13, ' ', '~', 1, 1,

+									fontLarger_Widths,

+									fontLarger_Offsets,

+									fontLarger_Data};

+    FONT_DECL const struct font fontLargerDouble = {

+									"Larger Double",

+									12, 1, 13, 2, 2, 13, ' ', '~', 2, 2,

+									fontLarger_Widths,

+									fontLarger_Offsets,

+									fontLarger_Data};

+    FONT_DECL const struct font fontLargerNarrow = {

+									"Larger Narrow",

+									12, 1, 13, 2, 2, 13, ' ', '~', 1, 2,

+									fontLarger_Widths,

+									fontLarger_Offsets,

+									fontLarger_Data};

 	static const uint8_t fontLarger_Widths[] = {

 		2, 3, 5, 8, 7, 13, 8, 2, 4, 4, 7, 8, 3, 4, 3, 5,

 		7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 9, 8, 9, 6,

@@ -313,24 +335,30 @@
 #endif

 

 /* fontUI1 - UI Font 1 Medium Bold */

-#if 1

+#if GDISP_INCLUDE_FONT_UI1

 	/* Forward Declarations of internal arrays */

     static const uint8_t        fontUI1_Widths[];

     static const uint16_t       fontUI1_Offsets[];

     static const fontcolumn_t   fontUI1_Data[];

 

-	const struct font fontUI1 = { 13, 0, 15, 2, 3, 13, ' ', '~', 1, 1,

-	                              fontUI1_Widths,

-	                              fontUI1_Offsets,

-	                              fontUI1_Data};

-	const struct font fontUI1Double = { 13, 0, 15, 2, 3, 13, ' ', '~', 2, 2,

-	                              fontUI1_Widths,

-	                              fontUI1_Offsets,

-	                              fontUI1_Data};

-	const struct font fontUI1Narrow = { 13, 0, 15, 2, 3, 13, ' ', '~', 1, 2,

-	                              fontUI1_Widths,

-	                              fontUI1_Offsets,

-	                              fontUI1_Data};

+    FONT_DECL const struct font fontUI1 = {

+									"UI1",

+									13, 0, 15, 2, 3, 13, ' ', '~', 1, 1,

+									fontUI1_Widths,

+									fontUI1_Offsets,

+									fontUI1_Data};

+    FONT_DECL const struct font fontUI1Double = {

+									"UI1 Double",

+									13, 0, 15, 2, 3, 13, ' ', '~', 2, 2,

+									fontUI1_Widths,

+									fontUI1_Offsets,

+									fontUI1_Data};

+    FONT_DECL const struct font fontUI1Narrow = {

+									"UI1 Narrow",

+									13, 0, 15, 2, 3, 13, ' ', '~', 1, 2,

+									fontUI1_Widths,

+									fontUI1_Offsets,

+									fontUI1_Data};

 

 	static const uint8_t fontUI1_Widths[] = {

 		3, 3, 6, 8, 7, 13, 9, 3, 5, 5, 6, 8, 3, 5, 3, 7,

@@ -455,24 +483,30 @@
 #endif

 

 /* fontUI1 - UI Font 2 Medium Bold */

-#if 1

+#if GDISP_INCLUDE_FONT_UI2

 	/* Forward Declarations of internal arrays */

 	static const uint8_t        fontUI2_Widths[];

 	static const uint16_t       fontUI2_Offsets[];

 	static const fontcolumn_t   fontUI2_Data[];

 

-	const struct font fontUI2 = { 11, 1, 13, 2, 2, 12, ' ', '~', 1, 1,

-	                              fontUI2_Widths,

-	                              fontUI2_Offsets,

-	                              fontUI2_Data};

-	const struct font fontUI2Double = { 11, 1, 13, 2, 2, 12, ' ', '~', 2, 2,

-	                              fontUI2_Widths,

-	                              fontUI2_Offsets,

-	                              fontUI2_Data};

-	const struct font fontUI2Narrow = { 11, 1, 13, 2, 2, 12, ' ', '~', 1, 2,

-	                              fontUI2_Widths,

-	                              fontUI2_Offsets,

-	                              fontUI2_Data};

+	FONT_DECL const struct font fontUI2 = {

+									"UI2",

+									11, 1, 13, 2, 2, 12, ' ', '~', 1, 1,

+									fontUI2_Widths,

+									fontUI2_Offsets,

+									fontUI2_Data};

+	FONT_DECL const struct font fontUI2Double = {

+									"UI2 Double",

+									11, 1, 13, 2, 2, 12, ' ', '~', 2, 2,

+									fontUI2_Widths,

+									fontUI2_Offsets,

+									fontUI2_Data};

+	FONT_DECL const struct font fontUI2Narrow = {

+									"UI2 Narrow",

+									11, 1, 13, 2, 2, 12, ' ', '~', 1, 2,

+									fontUI2_Widths,

+									fontUI2_Offsets,

+									fontUI2_Data};

 

 	static const uint8_t fontUI2_Widths[] = {

 		2, 2, 5, 8, 6, 12, 8, 2, 4, 4, 6, 8, 2, 4, 2, 5,

@@ -600,24 +634,29 @@
 		Large numbers font, height = 16 (including the decenders)

 		Characters include:  0 - 9, -, +, ., %, :, Space, Comma

 */

-#if 1

+#if GDISP_INCLUDE_FONT_LARGENUMBERS

 	/* Forward Declarations of internal arrays */

     static const uint8_t        fontLargeNumbers_Widths[];

     static const uint16_t       fontLargeNumbers_Offsets[];

     static const fontcolumn_t   fontLargeNumbers_Data[];

 

-	const struct font fontLargeNumbers = { 16, 2, 21, 1, 3, 15, '%', ':', 1, 1,

-	                                       fontLargeNumbers_Widths,

-	                                       fontLargeNumbers_Offsets,

-	                                       fontLargeNumbers_Data};

-	const struct font fontLargeNumbersDouble = { 16, 2, 21, 1, 3, 15, '%', ':', 2, 2,

-	                                       fontLargeNumbers_Widths,

-	                                       fontLargeNumbers_Offsets,

-	                                       fontLargeNumbers_Data};

-	const struct font fontLargeNumbersNarrow = { 16, 2, 21, 1, 3, 15, '%', ':', 1, 2,

-	                                       fontLargeNumbers_Widths,

-	                                       fontLargeNumbers_Offsets,

-	                                       fontLargeNumbers_Data};

+    FONT_DECL const struct font fontLargeNumbers = {

+									"LargeNumbers",

+									16, 2, 21, 1, 3, 15, '%', ':', 1, 1,

+									fontLargeNumbers_Widths,

+									fontLargeNumbers_Offsets,

+									fontLargeNumbers_Data};

+    FONT_DECL const struct font fontLargeNumbersDouble = {

+									"LargeNumbers Double",

+									16, 2, 21, 1, 3, 15, '%', ':', 2, 2,

+									fontLargeNumbers_Widths,

+									fontLargeNumbers_Offsets,

+									fontLargeNumbers_Data};

+    FONT_DECL const struct font fontLargeNumbersNarrow = {

+									"LargeNumbers Narrow", 16, 2, 21, 1, 3, 15, '%', ':', 1, 2,

+									fontLargeNumbers_Widths,

+									fontLargeNumbers_Offsets,

+									fontLargeNumbers_Data};

 

 	static const uint8_t fontLargeNumbers_Widths[] = {

 		15, 0, 0, 0, 0, 0, 11, 3, 6, 3, 0, 10, 10, 10, 10, 10,

@@ -649,4 +688,93 @@
 	};

 #endif

 

+static const struct font *BuiltinFontTable[] = {

+	#if GDISP_INCLUDE_FONT_SMALL

+		&fontSmall, &fontSmallDouble, &fontSmallNarrow,

+	#endif

+	#if GDISP_INCLUDE_FONT_LARGER

+		&fontLarger, &fontLargerDouble, &fontLargerNarrow,

+	#endif

+	#if GDISP_INCLUDE_FONT_UI1

+		&fontUI1, &fontUI1Double, &fontUI1Narrow,

+	#endif

+	#if GDISP_INCLUDE_FONT_UI2

+		&fontUI2, &fontUI2Double, &fontUI2Narrow,

+	#endif

+	#if GDISP_INCLUDE_FONT_LARGENUMBERS

+		&fontLargeNumbers, &fontLargeNumbersDouble, &fontLargeNumbersNarrow,

+	#endif

+	};

+

+/**

+ * Match a pattern against the font name.

+ */

+static bool_t matchfont(const char *pattern, const char *name) {

+	while(1) {

+		switch (pattern[0]) {

+		case '*':

+			if (name[0] == 0)

+				return pattern[1] == 0;

+			if (pattern[1] == name[0])

+				pattern++;

+			else

+				name++;

+			break;

+		case 0:

+			return name[0] == 0;

+		default:

+			if (name[0] != pattern[0])

+				return FALSE;

+			pattern++;

+			name++;

+			break;

+		}

+	}

+}

+

+/**

+ * @brief	Find a font and return it.

+ * @details	The supplied name is matched against the font name. A '*' will replace 0 or more characters.

+ * @return	Returns a font or NULL if no matching font could be found.

+ *

+ * @params[in] name		The font name to find.

+ *

+ * @note				Wildcard matching will match the shortest possible match.

+ *

+ * @api

+ */

+font_t gdispOpenFont(const char *name) {

+	const struct font **p;

+

+	for(p = BuiltinFontTable; p < BuiltinFontTable+sizeof(BuiltinFontTable)/sizeof(BuiltinFontTable[0]); p++) {

+		if (matchfont(name, p[0]->name))

+			return p[0];

+	}

+	return 0;

+}

+

+/**

+ * @brief	Release a font after use.

+ *

+ * @params[in] font		The font to release.

+ *

+ * @api

+ */

+void gdispCloseFont(font_t font) {

+	(void) font;

+}

+

+/**

+ * @brief	Get the name of the specified font.

+ * @returns	The name of the font.

+ *

+ * @params[in] font		The font to get the name for.

+ *

+ * @api

+ */

+const char *gdispGetFontName(font_t font) {

+	return font->name;

+}

+

 #endif /* GFX_USE_GDISP && GDISP_NEED_TEXT */

+/** @} */