106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <winpr/image.h>
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static const int formats[] = { WINPR_IMAGE_BITMAP, WINPR_IMAGE_PNG, WINPR_IMAGE_JPEG,
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WINPR_IMAGE_WEBP };
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static void usage(int argc, char* argv[])
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{
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const char* prg = "INVALID";
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if (argc > 0)
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prg = argv[0];
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(void)fprintf(stdout, "%s <src> <dst>\n", prg);
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(void)fprintf(stdout, "\tConvert image <src> to <dst>\n");
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(void)fprintf(stdout, "\tSupported formats (for this build):\n");
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for (size_t x = 0; x < ARRAYSIZE(formats); x++)
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{
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const int format = formats[x];
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const char* ext = winpr_image_format_extension(format);
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const char* mime = winpr_image_format_mime(format);
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const BOOL supported = winpr_image_format_is_supported(format);
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if (supported)
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{
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(void)fprintf(stdout, "\t\t%s [.%s]\n", mime, ext);
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}
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}
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}
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static int detect_format(const char* name)
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{
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const char* dot = strrchr(name, '.');
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if (!dot)
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{
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(void)fprintf(stderr, "'%s' does not have a file extension\n", name);
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return -1;
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}
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for (size_t x = 0; x < ARRAYSIZE(formats); x++)
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{
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const int format = formats[x];
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const char* ext = winpr_image_format_extension(format);
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const char* mime = winpr_image_format_mime(format);
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const BOOL supported = winpr_image_format_is_supported(format);
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if (strcmp(&dot[1], ext) == 0)
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{
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(void)fprintf(stdout, "'%s' is of format %s [supported:%s]\n", name, mime,
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supported ? "true" : "false");
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if (!supported)
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return -2;
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return format;
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}
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}
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(void)fprintf(stderr, "'%s' is a unsupported format\n", name);
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return -3;
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}
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int main(int argc, char* argv[])
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{
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int rc = -4;
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if (argc != 3)
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{
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usage(argc, argv);
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return -1;
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}
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const char* src = argv[1];
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const char* dst = argv[2];
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const int sfmt = detect_format(src);
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const int dfmt = detect_format(dst);
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if ((sfmt < 0) || (dfmt < 0))
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{
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usage(argc, argv);
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return -2;
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}
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wImage* img = winpr_image_new();
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if (!img)
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{
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return -3;
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}
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const int rrc = winpr_image_read(img, src);
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if (rrc <= 0)
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{
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(void)fprintf(stderr, "Failed to read image '%s': %d\n", src, rrc);
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goto fail;
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}
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const int wrc = winpr_image_write(img, dst);
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if (wrc <= 0)
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{
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(void)fprintf(stderr, "Failed to write image '%s': %d\n", dst, wrc);
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goto fail;
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}
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(void)fprintf(stdout, "Successfully converted '%s' to '%s'\n", src, dst);
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rc = 0;
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fail:
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winpr_image_free(img, TRUE);
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return rc;
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}
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