138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <sane/sane.h>
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#include <png.h>
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typedef struct {
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uint8_t red;
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uint8_t green;
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uint8_t blue;
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} pixel_t;
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typedef struct {
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pixel_t *pixels;
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size_t width;
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size_t height;
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} bitmap_t;
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pixel_t *pixel_at(bitmap_t * bitmap, int x, int y) {
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return bitmap->pixels + bitmap->width * y + x;
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}
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int pngtofile(bitmap_t *bitmap, FILE *fp) {
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png_structp png_ptr = NULL;
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png_infop info_ptr = NULL;
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size_t x, y;
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png_byte **row_pointers = NULL;
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int status = -1;
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int pixel_size = 3;
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int depth = 8;
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png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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info_ptr = png_create_info_struct(png_ptr);
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png_set_IHDR(png_ptr, info_ptr,
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bitmap->width, bitmap->height,
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depth,
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PNG_COLOR_TYPE_RGB,
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PNG_INTERLACE_NONE,
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PNG_COMPRESSION_TYPE_DEFAULT,
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PNG_FILTER_TYPE_DEFAULT);
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row_pointers = png_malloc(png_ptr, bitmap->height * sizeof (png_byte *));
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for(y = 0; y < bitmap->height; y++) {
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png_byte *row = png_malloc(png_ptr, sizeof (uint8_t) * bitmap->width * pixel_size);
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row_pointers[y] = row;
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for(x = 0; x < bitmap->width; x++) {
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pixel_t * pixel = pixel_at(bitmap, x, y);
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*row++ = pixel->red;
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*row++ = pixel->green;
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*row++ = pixel->blue;
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}
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}
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png_init_io(png_ptr, fp);
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png_set_rows(png_ptr, info_ptr, row_pointers);
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png_write_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);
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status = 0;
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return status;
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}
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int main(void) {
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SANE_Status status;
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SANE_Option_Descriptor *desc;
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SANE_Int vc = SANE_VERSION_CODE(SANE_CURRENT_MAJOR, 1, 10);
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SANE_Device **device_list;
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SANE_Handle h;
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SANE_Parameters p;
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SANE_Int cap;
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FILE *file = fopen("lsakjfsalkfd.png", "w");
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status = sane_init(&vc, NULL);
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sane_get_devices(&device_list, SANE_FALSE);
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for(int i = 0; device_list[i]; i++) {
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printf("%s %s %s %s\n", device_list[i]->name,
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device_list[i]->vendor,
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device_list[i]->model,
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device_list[i]->type);
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}
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if(device_list[0]) sane_open(device_list[0]->name, &h);
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sane_get_parameters(h, &p);
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/*
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printf("%i %i %i\n", p.pixels_per_line, p.lines, p.format);
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*/
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const SANE_Byte *storage = malloc(p.bytes_per_line * p.lines);
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if(!storage) abort();
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desc = sane_get_option_descriptor(h, (SANE_Int)0);
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printf("%i\n", desc->cap);
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int f;
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sane_control_option(h, 0, SANE_ACTION_GET_VALUE, &f, NULL);
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cap = f;
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for(int i = 0; i < cap; i++) {
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desc = sane_get_option_descriptor(h, (SANE_Int)i);
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printf("|%i|%s|%s|%s|\n", i, desc->name, desc->title, desc->desc);
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}
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for(int i = 8; i < 12; i++) {
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int hello;
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sane_control_option(h, i, SANE_ACTION_GET_VALUE, &hello, NULL);
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printf("%i\n", hello);
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}
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desc = sane_get_option_descriptor(h, 10);
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printf("%i\n", desc->unit);
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SANE_Int info = 0;
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char valone[100];
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char valtwo[100];
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sane_control_option(h, 10, SANE_ACTION_GET_VALUE, &valone, NULL);
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sane_control_option(h, 11, SANE_ACTION_GET_VALUE, &valtwo, NULL);
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printf("%s %s\n", valone, valtwo);
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// sane_control_option(h,
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sane_start(h);
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SANE_Int len;
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SANE_Byte *buf = storage;
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for(;;) {
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status = sane_read(h, buf, (SANE_Int)80, (SANE_Int *)&len);
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buf += (int)len;
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if(status == SANE_STATUS_EOF) break;
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}
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bitmap_t *bitmap = malloc(sizeof *bitmap);
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bitmap->width = p.pixels_per_line;
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bitmap->height = p.lines;
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bitmap->pixels = (pixel_t *)storage;
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pngtofile(bitmap, file);
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sane_close(h);
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sane_exit();
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return 0;
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}
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