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
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.cpp
- Revision:
- 151:ae94daaaf8ad
- Parent:
- 150:35a4db3081c1
--- a/RA8875.cpp Sun Sep 24 02:09:57 2017 +0000 +++ b/RA8875.cpp Sat Apr 14 17:48:59 2018 +0000 @@ -116,6 +116,7 @@ obj_callback = NULL; method_callback = NULL; idle_callback = NULL; + fontScaleX = fontScaleY = 1; } @@ -133,6 +134,7 @@ obj_callback = NULL; method_callback = NULL; idle_callback = NULL; + fontScaleX = fontScaleY = 1; // Cap touch panel config m_addr = (FT5206_I2C_ADDRESS << 1); @@ -1014,6 +1016,8 @@ if (vScale == -1) vScale = hScale; if (hScale >= 1 && hScale <= 4 && vScale >= 1 && vScale <= 4) { + fontScaleX = hScale; // save for use with a Soft Font + fontScaleY = vScale; reg &= 0xF0; // keep the high nibble as is. reg |= ((hScale - 1) << 2); reg |= ((vScale - 1) << 0); @@ -1078,7 +1082,7 @@ cursor_y = windowrect.p1.y; // @todo Should it scroll? } (void)character(cursor_x, cursor_y, c); - cursor_x += charWidth; + cursor_x += charWidth * fontScaleX; } } } @@ -1310,38 +1314,48 @@ return(noerror); } +// With a font scale X = 1, a pixel stream is "abcdefg..." +// With a font scale X = 2, a pixel stream is "aabbccddeeffgg..." +// With a font scale Y = 2, a pixel stream is "abcdefg..." +// "abcdefg..." +// RetCode_t RA8875::booleanStream(loc_t x, loc_t y, dim_t w, dim_t h, const uint8_t * boolStream) { PERFORMANCE_RESET; + const uint8_t * rowStream; rect_t restore = windowrect; - - window(x, y, w, h); + window(x, y, w * fontScaleX, h * fontScaleY); // Scale from font scale factors SetGraphicsCursor(x, y); _StartGraphicsStream(); _select(true); _spiwrite(0x00); // Cmd: write data while (h--) { - uint8_t pixels = w; - uint8_t bitmask = 0x01; - - while (pixels) { - uint8_t byte = *boolStream; - //INFO("byte, mask: %02X, %02X", byte, bitmask); - color_t c = (byte & bitmask) ? _foreground : _background; - if (screenbpp == 16) { - _spiwrite(c >> 8); - _spiwrite(c & 0xFF); - } else { - _spiwrite(_cvt16to8(c)); + for (int dy=0; dy<fontScaleY; dy++) { // Vertical Font Scale Factor + uint8_t pixels = w; + uint8_t bitmask = 0x01; + rowStream = boolStream; + while (pixels) { + uint8_t byte = *rowStream; + //INFO("byte, mask: %02X, %02X", byte, bitmask); + color_t c = (byte & bitmask) ? _foreground : _background; + + for (int dx=0; dx<fontScaleX; dx++) { // Horizontal Font Scale Factor + if (screenbpp == 16) { + _spiwrite(c >> 8); + _spiwrite(c & 0xFF); + } else { + _spiwrite(_cvt16to8(c)); + } } - bitmask <<= 1; - if (pixels > 1 && bitmask == 0) { - bitmask = 0x01; - boolStream++; + bitmask <<= 1; + if (pixels > 1 && bitmask == 0) { + bitmask = 0x01; + rowStream++; + } + pixels--; } - pixels--; } - boolStream++; + boolStream += (rowStream - boolStream + 1); } _select(false); _EndGraphicsStream();