David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

Diff: RA8875.h

Revision:
153:8a85efb3eb71
Parent:
152:a013ac0133e4
Child:
154:ad2450fc3dc3
--- a/RA8875.h	Mon Nov 06 01:41:55 2017 +0000
+++ b/RA8875.h	Sun Jul 29 00:32:51 2018 +0000
@@ -1509,13 +1509,14 @@
         alignment_t alignment = align_none);
     
 
-    /// Control the font size of the RA8875 internal fonts.
+    /// Control the font size of the RA8875 rendered fonts.
     ///
     /// This command lets you set the font enlargement for both horizontal
     /// and vertical, independent of the rotation, background, and 
     /// alignment. See @ref SetTextFontControl.
     ///
-    /// @note This command only operates on the RA8875 internal fonts.
+    /// @note This command operates on the RA8875 internal fonts.
+    /// @note This command also operates on the selected soft font.
     ///
     /// @param[in] hScale defaults to 1, but can be 1, 2, 3, or 4,
     ///     and scales the font size by this amount.
@@ -1529,6 +1530,10 @@
     ///     lcd.puts("2*2 3*h");
     ///     lcd.SetTextFontSize();      // Restore to normal size in both dimensions
     ///     lcd.puts("normal");
+    ///     lcd.SelectUserFont(BPG_Arial63x63); // Large user font
+    ///     lcd.puts("B63x63");                 // Show a sample
+    ///     lcd.SetTextFontSize(2);             // Now twice as big
+    ///     lcd.puts("x2");                     // Show a sample
     /// @endcode
     ///
     /// @note if either hScale or vScale is outside of its permitted range,
@@ -1840,6 +1845,11 @@
     /// This is similar, but different, to the @ref pixelStream API, which is 
     /// given a stream of color values.
     /// 
+    /// This is most often used for Soft Fonts, and for that reason, this method
+    /// will scale the presentation based on the selected font size. 
+    /// See @ref SetTextFontSize, So, users may want to SetTextFontSize(1) for
+    /// 1:1 scaling.
+    /// 
     /// @param[in] x is the horizontal position on the display.
     /// @param[in] y is the vertical position on the display.
     /// @param[in] w is the width of the rectangular region to fill.