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:
- 115:c9862fd0c689
- Parent:
- 114:dbfb996bfbf3
- Child:
- 119:d129b798f82f
--- a/GraphicsDisplay.cpp Sun May 15 18:57:06 2016 +0000 +++ b/GraphicsDisplay.cpp Mon May 16 02:05:37 2016 +0000 @@ -9,14 +9,14 @@ #include "Bitmap.h" #include "string.h" -//#define DEBUG "GD " +#define DEBUG "GD " // ... // INFO("Stuff to show %d", var); // new-line is automatically appended // #if (defined(DEBUG) && !defined(TARGET_LPC11U24)) -#define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); -#define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); -#define ERR(x, ...) std::printf("[ERR %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); +#define INFO(x, ...) std::printf("[INF %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); +#define WARN(x, ...) std::printf("[WRN %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); +#define ERR(x, ...) std::printf("[ERR %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); static void HexDump(const char * title, const uint8_t * p, int count) { int i; @@ -387,6 +387,8 @@ { if (mystrnicmp(FileName + strlen(FileName) - 4, ".bmp", 4) == 0) { return RenderBitmapFile(x,y,FileName); + } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".jpg", 4) == 0) { + return RenderJpegFile(x,y,FileName); } else if (mystrnicmp(FileName + strlen(FileName) - 4, ".ico", 4) == 0) { return RenderIconFile(x,y,FileName); } else { @@ -394,6 +396,45 @@ } } + +RetCode_t GraphicsDisplay::RenderJpegFile(loc_t x, loc_t y, const char *Name_JPG) +{ + #define JPEG_WORK_SPACE_SIZE 3100 + JDEC * jdec; + uint16_t * work; + RetCode_t r = noerror; // start optimistic + FILE * fh = fopen(Name_JPG, "rb"); + + if (!fh) + return(file_not_found); + + work = (uint16_t *)malloc(JPEG_WORK_SPACE_SIZE/sizeof(uint16_t)); + if (work) { + jdec = (JDEC *)malloc(sizeof(JDEC)); + if (jdec) { + r = (RetCode_t)jd_prepare(jdec, NULL, work, JPEG_WORK_SPACE_SIZE, fh); + INFO("jd_prepare returned %d", r); + + if (r == noerror) { + SetGraphicsCursor(x,y); + r = (RetCode_t)jd_decomp(jdec, NULL, 0); + } else { + r = not_supported_format; // error("jd_prepare error:%d", r); + } + free(jdec); + } else { + WARN("checkpoint"); + r = not_enough_ram; + } + free(work); + } else { + WARN("checkpoint"); + r = not_enough_ram; + } + fclose(fh); + return r; // error("jd_decomp error:%d", r); +} + RetCode_t GraphicsDisplay::RenderBitmapFile(loc_t x, loc_t y, const char *Name_BMP) { BITMAPFILEHEADER BMP_Header;