Changes between Initial Version and Version 1 of Docs/Prog/Manual/ApplicationLibraries/lib825ev/Display/CFont

Timestamp:

01/18/24 14:55:29 (11 months ago)

Author:

Don Wilson

Comment:

--

Docs/Prog/Manual/ApplicationLibraries/lib825ev/Display/CFont

@@ +1 @@
+[[TOC]]
+
+= CFont (825gen2) =
+
+CFont is a C++ class that is provided to manage fonts for the 825gen2 indicator.
+
+== Constructors ==
+
+{{{
+CBitmap(void);
+CBitmap(int num);
+}}}
+
+
+
+==== Parameters ====
+ * num - 
+
+==== Examples ====
+
+{{{
+CFont fontBigLabel;
+int err = fontBigLabel.Load("/usr/share/fonts/ttf/LiberationSans-Bold.ttf", 42,  62);
+if(err) {
+   DEBUG_MSG("Big Font load label error %d\n", err);
+}
+}}}
+
+
+== Member Functions ==
+
+=== CFreetypeFont& GetFont(int zoom) ===
+Returns the contained CFreetypeFont for the specified zoom state.
+
+==== Parameters ====
+ * zoom - 
+
+==== Return Value ====
+
+
+==== Remarks ====
+
+
+==== Example ====
+
+{{{
+
+}}}
+
+
+=== Load ===
+
+{{{
+int Load(const char* filename, int pixHeight1, int pixHeight2);
+}}}
+
+==== Parameters ====
+ * filename - path and filename of the font file
+ * pixHeight1 - height of the font for normal state
+ * pixHeight2 - height of the font for zoom state
+
+
+==== Return Value ====
+0 if no error otherwise, freetype error value such as FT_Err_Unknown_File_Format.
+
+
+=== SetPixelSize ===
+
+{{{
+int GetHeight(int zoom);
+}}}
+
+==== Parameters ====
+ * zoom -
+
+==== Return Value ====
+Returns the pixel height for the specified zoom state
+
+
+=== GetStrWidth ===
+
+{{{
+int GetStrWidth(const char* str, int len, int zoom);
+}}}
+
+==== Parameters ====
+ * str - source string
+ * len - number of characters of the string to evaluate
+ * zoom - zoom state
+
+==== Return Value ====
+Returns the pixel height for the specified zoom state
+
+
+
+=== DisplayText ===
+Displays a string using the specified font.
+{{{
+void DisplayText(const char* str, CDspArea *dspArea = NULL, int len = 0, int shortcutChar = 0);
+void DisplayText(std::string& str, CDspArea *dspArea = NULL, int len = 0, int shortcutChar = 0);
+void DisplayText(int x, int y, const char* str, CDspArea *dspArea = NULL, int len = 0, int shortcutChar = 0);
+void DisplayText(int x, int y, std::string& str, CDspArea *dspArea = NULL, int len = 0, int shortcutChar = 0);
+void DisplayText(CFormRect& rect, const char* str, int flag = 0, CDspArea* dspArea = NULL, int shortcutChar = 0);
+void DisplayText(CFormRect& rect, std::string& str, int flag = 0, CDspArea* dspArea = NULL, int shortcutChar = 0);
+}}}
+
+==== Parameters ====
+ * str - source string
+ * len - number of characters of the string to evaluate
+ * zoom - zoom state
+
+==== Return Value ====
+Returns the pixel height for the specified zoom state
+
+
+
+