94 lines
4.2 KiB
C
94 lines
4.2 KiB
C
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/*****************************************************************************
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* | File : GUI_BMPfile.h
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* | Author : Waveshare team
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* | Function : Hardware underlying interface
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* | Info :
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* Used to shield the underlying layers of each master
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* and enhance portability
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*----------------
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* | This version: V2.3
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* | Date : 2020-07-27
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* | Info :
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* -----------------------------------------------------------------------------
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* V2.3(2022-07-27):
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* 1.Add GUI_ReadBmp_RGB_4Color()
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* V2.2(2020-07-08):
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* 1.Add GUI_ReadBmp_RGB_7Color()
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* V2.1(2019-10-10):
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* 1.Add GUI_ReadBmp_4Gray()
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* V2.0(2018-11-12):
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* 1.Change file name: GUI_BMP.h -> GUI_BMPfile.h
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* 2.fix: GUI_ReadBmp()
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* Now Xstart and Xstart can control the position of the picture normally,
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* and support the display of images of any size. If it is larger than
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* the actual display range, it will not be displayed.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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#ifndef __GUI_BMPFILE_H
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#define __GUI_BMPFILE_H
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdint.h>
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#include "DEV_Config.h"
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/*Bitmap file header 14bit*/
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typedef struct BMP_FILE_HEADER {
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UWORD bType; //File identifier
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UDOUBLE bSize; //The size of the file
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UWORD bReserved1; //Reserved value, must be set to 0
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UWORD bReserved2; //Reserved value, must be set to 0
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UDOUBLE bOffset; //The offset from the beginning of the file header to the beginning of the image data bit
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} __attribute__ ((packed)) BMPFILEHEADER; // 14bit
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/*Bitmap information header 40bit*/
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typedef struct BMP_INFO {
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UDOUBLE biInfoSize; //The size of the header
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UDOUBLE biWidth; //The width of the image
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UDOUBLE biHeight; //The height of the image
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UWORD biPlanes; //The number of planes in the image
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UWORD biBitCount; //The number of bits per pixel
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UDOUBLE biCompression; //Compression type
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UDOUBLE bimpImageSize; //The size of the image, in bytes
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UDOUBLE biXPelsPerMeter; //Horizontal resolution
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UDOUBLE biYPelsPerMeter; //Vertical resolution
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UDOUBLE biClrUsed; //The number of colors used
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UDOUBLE biClrImportant; //The number of important colors
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} __attribute__ ((packed)) BMPINFOHEADER;
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/*Color table: palette */
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typedef struct RGB_QUAD {
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UBYTE rgbBlue; //Blue intensity
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UBYTE rgbGreen; //Green strength
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UBYTE rgbRed; //Red intensity
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UBYTE rgbReversed; //Reserved value
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} __attribute__ ((packed)) BMPRGBQUAD;
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/**************************************** end ***********************************************/
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UBYTE GUI_ReadBmp(const char *path, UWORD Xstart, UWORD Ystart);
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UBYTE GUI_ReadBmp_4Gray(const char *path, UWORD Xstart, UWORD Ystart);
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UBYTE GUI_ReadBmp_16Gray(const char *path, UWORD Xstart, UWORD Ystart);
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UBYTE GUI_ReadBmp_RGB_4Color(const char *path, UWORD Xstart, UWORD Ystart);
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UBYTE GUI_ReadBmp_RGB_7Color(const char *path, UWORD Xstart, UWORD Ystart);
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#endif
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