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)

Bitmap.h@31:c72e12cd5c67, 2014-01-20 (annotated)

Committer:
WiredHome
Date:
Mon Jan 20 19:19:48 2014 +0000
Revision:
31:c72e12cd5c67
Child:
32:0e4f2ae512e2
Support for Bitmap graphics (tested 4-bit and 8-bit formats, have not tested 1-bit or 24-bit).

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WiredHome 31:c72e12cd5c67 1 //
WiredHome 31:c72e12cd5c67 2 // Windows BMP file definitions.
WiredHome 31:c72e12cd5c67 3 //
WiredHome 31:c72e12cd5c67 4 // Adapted from code written by Michael Sweet from Paul Bourke's
WiredHome 31:c72e12cd5c67 5 // web site: http://paulbourke.net/dataformats/bmp/
WiredHome 31:c72e12cd5c67 6 //
WiredHome 31:c72e12cd5c67 7
WiredHome 31:c72e12cd5c67 8 #ifndef _BITMAP_H_
WiredHome 31:c72e12cd5c67 9 #define _BITMAP_H_
WiredHome 31:c72e12cd5c67 10
WiredHome 31:c72e12cd5c67 11 #include <mbed.h>
WiredHome 31:c72e12cd5c67 12
WiredHome 31:c72e12cd5c67 13 // BITMAPFILEHEADER
WiredHome 31:c72e12cd5c67 14 // BITMAPINFOHEADER
WiredHome 31:c72e12cd5c67 15 // Optional Palette
WiredHome 31:c72e12cd5c67 16 // Raw Data
WiredHome 31:c72e12cd5c67 17
WiredHome 31:c72e12cd5c67 18 //
WiredHome 31:c72e12cd5c67 19 // Bitmap file data structures
WiredHome 31:c72e12cd5c67 20 //
WiredHome 31:c72e12cd5c67 21 #pragma push
WiredHome 31:c72e12cd5c67 22 #pragma pack(2)
WiredHome 31:c72e12cd5c67 23
WiredHome 31:c72e12cd5c67 24 typedef struct /**** BMP file header structure ****/
WiredHome 31:c72e12cd5c67 25 {
WiredHome 31:c72e12cd5c67 26 uint16_t bfType; /* Magic number for file */
WiredHome 31:c72e12cd5c67 27 uint32_t bfSize; /* Size of file */
WiredHome 31:c72e12cd5c67 28 uint16_t bfReserved1; /* Reserved */
WiredHome 31:c72e12cd5c67 29 uint16_t bfReserved2; /* ... */
WiredHome 31:c72e12cd5c67 30 uint32_t bfOffBits; /* Offset to bitmap data */
WiredHome 31:c72e12cd5c67 31 } BITMAPFILEHEADER;
WiredHome 31:c72e12cd5c67 32
WiredHome 31:c72e12cd5c67 33 #define BF_TYPE 0x4D42 /* "MB" */
WiredHome 31:c72e12cd5c67 34
WiredHome 31:c72e12cd5c67 35 typedef struct /**** BMP file info structure ****/
WiredHome 31:c72e12cd5c67 36 {
WiredHome 31:c72e12cd5c67 37 uint32_t biSize; /* Size of info header */
WiredHome 31:c72e12cd5c67 38 uint32_t biWidth; /* Width of image */
WiredHome 31:c72e12cd5c67 39 uint32_t biHeight; /* Height of image */
WiredHome 31:c72e12cd5c67 40 uint16_t biPlanes; /* Number of color planes */
WiredHome 31:c72e12cd5c67 41 uint16_t biBitCount; /* Number of bits per pixel */
WiredHome 31:c72e12cd5c67 42 uint32_t biCompression; /* Type of compression to use */
WiredHome 31:c72e12cd5c67 43 uint32_t biSizeImage; /* Size of image data */
WiredHome 31:c72e12cd5c67 44 int32_t biXPelsPerMeter; /* X pixels per meter */
WiredHome 31:c72e12cd5c67 45 int32_t biYPelsPerMeter; /* Y pixels per meter */
WiredHome 31:c72e12cd5c67 46 uint32_t biClrUsed; /* Number of colors used */
WiredHome 31:c72e12cd5c67 47 uint32_t biClrImportant; /* Number of important colors */
WiredHome 31:c72e12cd5c67 48 } BITMAPINFOHEADER;
WiredHome 31:c72e12cd5c67 49 #pragma pop
WiredHome 31:c72e12cd5c67 50
WiredHome 31:c72e12cd5c67 51 /*
WiredHome 31:c72e12cd5c67 52 * Constants for the biCompression field...
WiredHome 31:c72e12cd5c67 53 */
WiredHome 31:c72e12cd5c67 54
WiredHome 31:c72e12cd5c67 55 # define BI_RGB 0 /* No compression - straight BGR data */
WiredHome 31:c72e12cd5c67 56 # define BI_RLE8 1 /* 8-bit run-length compression */
WiredHome 31:c72e12cd5c67 57 # define BI_RLE4 2 /* 4-bit run-length compression */
WiredHome 31:c72e12cd5c67 58 # define BI_BITFIELDS 3 /* RGB bitmap with RGB masks */
WiredHome 31:c72e12cd5c67 59
WiredHome 31:c72e12cd5c67 60 typedef struct /**** Colormap entry structure ****/
WiredHome 31:c72e12cd5c67 61 {
WiredHome 31:c72e12cd5c67 62 uint8_t rgbBlue; /* Blue value */
WiredHome 31:c72e12cd5c67 63 uint8_t rgbGreen; /* Green value */
WiredHome 31:c72e12cd5c67 64 uint8_t rgbRed; /* Red value */
WiredHome 31:c72e12cd5c67 65 uint8_t rgbReserved; /* Reserved */
WiredHome 31:c72e12cd5c67 66 } RGBQUAD;
WiredHome 31:c72e12cd5c67 67
WiredHome 31:c72e12cd5c67 68 typedef struct /**** Bitmap information structure ****/
WiredHome 31:c72e12cd5c67 69 {
WiredHome 31:c72e12cd5c67 70 BITMAPINFOHEADER bmiHeader; /* Image header */
WiredHome 31:c72e12cd5c67 71 RGBQUAD bmiColors[256]; /* Image colormap */
WiredHome 31:c72e12cd5c67 72 } BITMAPINFO;
WiredHome 31:c72e12cd5c67 73
WiredHome 31:c72e12cd5c67 74
WiredHome 31:c72e12cd5c67 75 /*
WiredHome 31:c72e12cd5c67 76 * Prototypes...
WiredHome 31:c72e12cd5c67 77 */
WiredHome 31:c72e12cd5c67 78
WiredHome 31:c72e12cd5c67 79 //extern GLubyte *LoadDIBitmap(const char *filename, BITMAPINFO **info);
WiredHome 31:c72e12cd5c67 80 //extern int32_t SaveDIBitmap(const char *filename, BITMAPINFO *info,
WiredHome 31:c72e12cd5c67 81 // GLubyte *bits);
WiredHome 31:c72e12cd5c67 82
WiredHome 31:c72e12cd5c67 83 #endif // _BITMAP_H_