Convert bitmap into c heafer file.
This commit is contained in:
Thomas Klaehn
commit
62c4b97150
137
Makefile
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137
Makefile
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CROSS_COMPILE ?=
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TARGET_FILE ?= bmp2h
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CROSS_COMPILE)cpp
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CHECK = cppcheck
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LCOV = lcov
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GENHTML = genhtml
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SRC_DIR = src
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OBJ_DIR = obj
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BIN_DIR = bin
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COVERAGE_DIR = coverage
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UNIT_TEST_SRC_DIR = test/unit
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UNIT_TEST_OBJ_DIR = $(OBJ_DIR)/$(UNIT_TEST_SRC_DIR)
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PREFIX ?= /usr
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BIN_INSTALL_DIR = $(PREFIX)/bin
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INCLUDES := inc
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INCLUDES += $(PREFIX)/include/
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INCLUDES += $(EXTRA_INC)
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LIBS =
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LD_FLAGS += $(addprefix -L,$(EXTRA_LIB_DIR))
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LD_FLAGS += -lm
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ifneq "$(findstring $(MAKECMDGOALS), build_unit_test exec_unit_test coverage)" ""
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INCLUDES += test/inc
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C_FLAGS += --coverage
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LD_FLAGS += --coverage
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endif
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C_FLAGS += -fpic
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C_FLAGS += -O0 -g -Wall
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CPP_FLAGS += $(addprefix -I, $(INCLUDES))
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CHECK_FLAGS = $(addprefix -I,$(filter-out $(PREFIX)/include/,$(INCLUDES)))
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CHECK_FLAGS += --enable=all --template=gcc --error-exitcode=1 --suppress=missingIncludeSystem --inline-suppr --force
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C_SRCS = $(wildcard $(SRC_DIR)/*.c)
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C_OBJS = $(patsubst $(SRC_DIR)%,$(OBJ_DIR)%,$(patsubst %.c,%.o,$(C_SRCS)))
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UNIT_TEST_SRCS = $(wildcard $(UNIT_TEST_SRC_DIR)/*.c) $(filter-out %main.c,$(CC_SRCS))
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UNIT_TEST_OBJS = $(patsubst $(SRC_DIR)%,$(OBJ_DIR)%,$(patsubst $(UNIT_TEST_SRC_DIR)%,$(UNIT_TEST_OBJ_DIR)%,$(patsubst %.c,%.o,$(UNIT_TEST_SRCS))))
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OBJS = $(C_OBJS)
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UNIT_TEST_TARGET = $(BIN_DIR)/$(UNIT_TEST_SRC_DIR)/$(TARGET_FILE)
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TARGET = $(BIN_DIR)/$(TARGET_FILE)
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THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
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.PHONY: all install uninstall clean distclean
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all: $(TARGET)
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install: all
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install -d $(BIN_INSTALL_DIR)
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install -m 0666 $(TARGET) $(BIN_INSTALL_DIR)
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uninstall:
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rm -f $(BIN_INSTALL_DIR)/$(TARGET_FILE)
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clean:
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rm -f $(TARGET)
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rm -f $(OBJS) $(patsubst %.o,%.d,$(OBJS))
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rm -f $(UNIT_TEST_OBJS) $(patsubst %.o,%.d,$(UNIT_TEST_OBJS)) $(UNIT_TEST_TARGET)
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rm -f $(UNIT_TEST_OBJ_DIR)/*.gcda
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rm -f $(UNIT_TEST_OBJ_DIR)/*.gcno
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rm -f $(OBJ_DIR)/*.gcda $(OBJ_DIR)/*.gcno
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rm -fr $(COVERAGE_DIR)
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distclean:
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rm -rf $(OBJ_DIR) $(BIN_DIR) $(COVERAGE_DIR)
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.PHONY: coverage
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coverage: _cov_genhtml
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$(eval COVERAGE:=$(shell grep 'lines' .coverage.tmp | egrep -o '[0-9]+.[0-9]+%'))
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@echo
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@echo Line coverage: $(COVERAGE)
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@echo
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@rm -f .coverage.tmp
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.PHONY: _cov_lcov
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_cov_lcov: exec_unit_test
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@rm -f $(UNIT_TEST_OBJ_DIR)/*.gcda
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@rm -f $(UNIT_TEST_OBJ_DIR)/*.gcno
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@mkdir -p $(COVERAGE_DIR)
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$(LCOV) -c -d $(OBJ_DIR) -o $(COVERAGE_DIR)/coverage.info
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.PHONY: _cov_genhtml
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_cov_genhtml: _cov_lcov
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$(GENHTML) -o $(COVERAGE_DIR)/html $(COVERAGE_DIR)/coverage.info > .coverage.tmp
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.PHONY: unit_test
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build_unit_test: $(UNIT_TEST_TARGET)
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.PHONY: unit_test
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exec_unit_test: $(UNIT_TEST_TARGET)
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$(UNIT_TEST_TARGET)
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.PHONY: check
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check: $(CC_SRCS)
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$(CHECK) $(CHECK_FLAGS) $(CC_SRCS)
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$(UNIT_TEST_TARGET): $(UNIT_TEST_OBJS) $(THIS_MAKEFILE)
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@mkdir -p $(BIN_DIR)/$(UNIT_TEST_SRC_DIR)
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$(CC) $(CC_FLAGS) $(LD_FLAGS) $(UNIT_TEST_OBJS) -o $@
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$(TARGET): $(OBJS) $(THIS_MAKEFILE)
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@mkdir -p $(BIN_DIR)
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$(CC) $(CC_FLAGS) $(LD_FLAGS) $(OBJS) $(addprefix -l,$(LIBS)) -o $@
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.PRECIOUS: $(OBJ_DIR)/%.d
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$(OBJ_DIR)/%.d: $(SRC_DIR)/%.c
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@mkdir -p $(OBJ_DIR)
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$(CPP) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(CPP_FLAGS) $(patsubst $(OBJ_DIR)/%.d,$(SRC_DIR)/%.c,$@)
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.PRECIOUS: $(UNIT_TEST_OBJ_DIR)/%.d
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$(UNIT_TEST_OBJ_DIR)/%.d: $(UNIT_TEST_SRC_DIR)/%.c
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@mkdir -p $(UNIT_TEST_OBJ_DIR)
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$(CPP) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(CPP_FLAGS) $(patsubst $(UNIT_TEST_OBJ_DIR)/%.d,$(UNIT_TEST_SRC_DIR)/%.c,$@)
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(OBJ_DIR)/%.d
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@mkdir -p $(OBJ_DIR)
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$(CC) -c $(CPP_FLAGS) $(C_FLAGS) $< -o $@
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$(UNIT_TEST_OBJ_DIR)/%.o: $(UNIT_TEST_SRC_DIR)/%.c $(UNIT_TEST_OBJ_DIR)/%.d
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@mkdir -p $(UNIT_TEST_OBJ_DIR)
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$(CC) -c $(CPP_FLAGS) $(C_FLAGS) $< -o $@
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ifneq ($(MAKECMDGOALS),clean)
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-include $(patsubst %.o,%.d,$(OBJS))
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endif
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116
src/main.c
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116
src/main.c
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#include <stdio.h> //fseek fread
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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 <stdlib.h> //memset
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/****************************** Bitmap standard information*************************************/
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/*Bitmap file header 14bit*/
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typedef struct BMP_FILE_HEADER {
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uint16_t bType; //File identifier
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uint32_t bSize; //The size of the file
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uint16_t bReserved1; //Reserved value, must be set to 0
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uint16_t bReserved2; //Reserved value, must be set to 0
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uint32_t 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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uint32_t bInfoSize; //The size of the header
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uint32_t bWidth; //The width of the image
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uint32_t bHeight; //The height of the image
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uint16_t bPlanes; //The number of planes in the image
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uint16_t bBitCount; //The number of bits per pixel
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uint32_t bCompression; //Compression type
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uint32_t bmpImageSize; //The size of the image, in bytes
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uint32_t bXPelsPerMeter; //Horizontal resolution
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uint32_t bYPelsPerMeter; //Vertical resolution
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uint32_t bClrUsed; //The number of colors used
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uint32_t bClrImportant; //The number of important colors
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} __attribute__ ((packed)) BMPINF;
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/*Color table: palette */
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typedef struct RGB_QUAD {
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uint8_t rgbBlue; //Blue intensity
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uint8_t rgbGreen; //Green strength
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uint8_t rgbRed; //Red intensity
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uint8_t rgbReversed; //Reserved value
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} __attribute__ ((packed)) RGBQUAD;
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#define RGB(r,g,b) (((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3))
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static void Paint_SetPixel(uint16_t Xpoint, uint16_t Ypoint, uint16_t Color);
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static uint16_t image[240 * 240];
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int main(int argc, char **argv)
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{
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FILE *fp; //Define a file pointer
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BMPFILEHEADER bmpFileHeader; //Define a bmp file header structure
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BMPINF bmpInfoHeader; //Define a bmp bitmap header structure
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int opt;
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char *infile, *outfile;
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while((opt = getopt(argc, argv, "i:o:")) != -1) {
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if(opt == 'i') {
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infile = optarg;
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} else if(opt == 'o') {
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outfile = optarg;
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}
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}
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// Binary file open
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if((fp = fopen(infile, "rb")) == NULL) { // fp = 0x00426aa0
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printf("Cann't open the file!\n");
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return 0;
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}
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// Set the file pointer from the beginning
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fseek(fp, 0, SEEK_SET); // fp = 0x00426aa0
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fread(&bmpFileHeader, sizeof(BMPFILEHEADER), 1, fp);// sizeof(BMPFILEHEADER) must be 14,
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fread(&bmpInfoHeader, sizeof(BMPINF), 1, fp);
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int row, col;
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short data;
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RGBQUAD rgb;
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int len = bmpInfoHeader.bBitCount / 8; //RGB888,one 3 byte = 1 bitbmp
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// get bmp data and show
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fseek(fp, bmpFileHeader.bOffset, SEEK_SET);
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for(row = 0; row < bmpInfoHeader.bHeight; row++) {
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for(col = 0; col < bmpInfoHeader.bWidth; col++) {
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if(fread((char *)&rgb, 1, len, fp) != len){
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perror("get bmpdata:\r\n");
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break;
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}
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data = RGB((rgb.rgbRed), (rgb.rgbGreen), (rgb.rgbBlue));
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Paint_SetPixel(col, bmpInfoHeader.bHeight - row - 1, data);
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}
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}
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fclose(fp);
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if((fp = fopen(outfile, "w")) == NULL) {
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printf("Cann't open the file!\n");
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return 0;
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}
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fprintf(fp, "#ifndef __BITMAP_H__\n");
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fprintf(fp, "#define __BITMAP_H__\n\n");
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fprintf(fp, "uint16_t bitmap[240 * 240] = {\n");
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for(uint32_t i = 1; i < 240 * 240; i++) {
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fprintf(fp, "0x%04x,", image[i - 1]);
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if(i % 16 == 0) {
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fprintf(fp, "\n");
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}
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}
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fprintf(fp, "0x%04x};\n\n", image[240 * 240 - 1]);
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fprintf(fp, "#endif\n\n");
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fclose(fp);
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return 0;
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}
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static void Paint_SetPixel(uint16_t X, uint16_t Y, uint16_t Color)
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{
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Color = ((Color <<8 ) & 0xff00) | (Color >> 8);
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image[X + Y * 240] = Color;
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}
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