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: GraphicsDisplay.cpp
- Revision:
- 111:efe436c43aba
- Parent:
- 109:7b94f06f085b
- Child:
- 112:325ca91bc03d
diff -r 39f22e0c8de4 -r efe436c43aba GraphicsDisplay.cpp --- a/GraphicsDisplay.cpp Sat Mar 19 20:49:14 2016 +0000 +++ b/GraphicsDisplay.cpp Mon Apr 25 01:43:59 2016 +0000 @@ -9,7 +9,7 @@ #include "Bitmap.h" #include "string.h" -//#define DEBUG "GD" +//#define DEBUG "GD " // ... // INFO("Stuff to show %d", var); // new-line is automatically appended // @@ -100,16 +100,21 @@ return fontblit(x, y, c); } -RetCode_t GraphicsDisplay::window(loc_t x, loc_t y, dim_t w, dim_t h) +RetCode_t GraphicsDisplay::window(rect_t r) { + return window(r.p1.x, r.p1.y, r.p2.x + 1 - r.p1.x, r.p2.y + 1 - r.p1.y); +} + +RetCode_t GraphicsDisplay::window(loc_t x, loc_t y, dim_t width, dim_t height) +{ + // Save the window metrics + windowrect.p1.x = x; + windowrect.p1.y = y; + windowrect.p2.x = x + width - 1; + windowrect.p2.y = y + height - 1; // current pixel location _x = x; _y = y; - // window settings - _x1 = x; - _x2 = x + w - 1; - _y1 = y; - _y2 = y + h - 1; return noerror; } @@ -123,11 +128,11 @@ pixel(_x, _y, color); // update pixel location based on window settings _x++; - if(_x > _x2) { - _x = _x1; + if(_x > windowrect.p2.x) { + _x = windowrect.p1.x; _y++; - if(_y > _y2) { - _y = _y1; + if(_y > windowrect.p2.y) { + _y = windowrect.p1.y; } } return noerror; @@ -145,13 +150,15 @@ RetCode_t GraphicsDisplay::blit(loc_t x, loc_t y, dim_t w, dim_t h, const int * color) { + rect_t restore = windowrect; window(x, y, w, h); _StartGraphicsStream(); for (int i=0; i<w*h; i++) { _putp(color[i]); } _EndGraphicsStream(); - return WindowMax(); + //return WindowMax(); + return window(restore); } // 8 byte "info" section @@ -331,6 +338,7 @@ } while ((PixelWidth * recordSize + padd) % 4 != 0); // Define window for top to bottom and left to right so writing auto-wraps + rect_t restore = windowrect; window(x,y, PixelWidth,PixelHeight); SetGraphicsCursor(x, y); _StartGraphicsStream(); @@ -363,7 +371,7 @@ pixelStream(pixelBuffer, PixelWidth, x, y++); } _EndGraphicsStream(); - WindowMax(); + window(restore); free(pixelBuffer); // don't leak memory free(lineBuffer); if (colorPalette)