TestImage.c

#include <stdio.h>
#include <winpr/string.h>
#include <winpr/assert.h>
#include <winpr/file.h>
#include <winpr/path.h>
#include <winpr/image.h>
 
static const char test_src_filename[] = TEST_SOURCE_PATH "/rgb";
static const char test_bin_filename[] = TEST_BINARY_PATH "/rgb";
 
static BOOL test_image_equal(const wImage* imageA, const wImage* imageB)
{
  return winpr_image_equal(imageA, imageB,
                           WINPR_IMAGE_CMP_IGNORE_DEPTH | WINPR_IMAGE_CMP_IGNORE_ALPHA |
                               WINPR_IMAGE_CMP_FUZZY);
}
 
static BOOL test_equal_to(const wImage* bmp, const char* name, UINT32 format)
{
  BOOL rc = FALSE;
  wImage* cmp = winpr_image_new();
  if (!cmp)
    goto fail;
 
  char path[MAX_PATH] = { 0 };
  (void)_snprintf(path, sizeof(path), "%s.%s", name, winpr_image_format_extension(format));
  const int cmpSize = winpr_image_read(cmp, path);
  if (cmpSize <= 0)
  {
    (void)fprintf(stderr, "[%s] winpr_image_read failed for %s", __func__, path);
    goto fail;
  }
 
  rc = test_image_equal(bmp, cmp);
  if (!rc)
    (void)fprintf(stderr, "[%s] winpr_image_eqal failed", __func__);
 
fail:
  winpr_image_free(cmp, TRUE);
  return rc;
}
 
static BOOL test_equal(void)
{
  BOOL rc = FALSE;
  wImage* bmp = winpr_image_new();
 
  if (!bmp)
    goto fail;
 
  char path[MAX_PATH] = { 0 };
  (void)_snprintf(path, sizeof(path), "%s.bmp", test_src_filename);
  PathCchConvertStyleA(path, sizeof(path), PATH_STYLE_NATIVE);
 
  const int bmpSize = winpr_image_read(bmp, path);
  if (bmpSize <= 0)
  {
    (void)fprintf(stderr, "[%s] winpr_image_read failed for %s", __func__, path);
    goto fail;
  }
 
  for (UINT32 x = 0; x < UINT8_MAX; x++)
  {
    if (!winpr_image_format_is_supported(x))
      continue;
    if (!test_equal_to(bmp, test_src_filename, x))
      goto fail;
  }
 
  rc = TRUE;
fail:
  winpr_image_free(bmp, TRUE);
 
  return rc;
}
 
static BOOL test_read_write_compare(const char* tname, const char* tdst, UINT32 format)
{
  BOOL rc = FALSE;
  wImage* bmp1 = winpr_image_new();
  wImage* bmp2 = winpr_image_new();
  wImage* bmp3 = winpr_image_new();
  if (!bmp1 || !bmp2 || !bmp3)
    goto fail;
 
  char spath[MAX_PATH] = { 0 };
  char dpath[MAX_PATH] = { 0 };
  char bpath1[MAX_PATH] = { 0 };
  char bpath2[MAX_PATH] = { 0 };
  (void)_snprintf(spath, sizeof(spath), "%s.%s", tname, winpr_image_format_extension(format));
  (void)_snprintf(dpath, sizeof(dpath), "%s.%s", tdst, winpr_image_format_extension(format));
  (void)_snprintf(bpath1, sizeof(bpath1), "%s.src.%s", dpath,
                  winpr_image_format_extension(WINPR_IMAGE_BITMAP));
  (void)_snprintf(bpath2, sizeof(bpath2), "%s.bin.%s", dpath,
                  winpr_image_format_extension(WINPR_IMAGE_BITMAP));
  PathCchConvertStyleA(spath, sizeof(spath), PATH_STYLE_NATIVE);
  PathCchConvertStyleA(dpath, sizeof(dpath), PATH_STYLE_NATIVE);
  PathCchConvertStyleA(bpath1, sizeof(bpath1), PATH_STYLE_NATIVE);
  PathCchConvertStyleA(bpath2, sizeof(bpath2), PATH_STYLE_NATIVE);
 
  const int bmpRSize = winpr_image_read(bmp1, spath);
  if (bmpRSize <= 0)
  {
    (void)fprintf(stderr, "[%s] winpr_image_read failed for %s", __func__, spath);
    goto fail;
  }
 
  const int bmpWSize = winpr_image_write(bmp1, dpath);
  if (bmpWSize <= 0)
  {
    (void)fprintf(stderr, "[%s] winpr_image_write failed for %s", __func__, dpath);
    goto fail;
  }
 
  const int bmp2RSize = winpr_image_read(bmp2, dpath);
  if (bmp2RSize <= 0)
  {
    (void)fprintf(stderr, "[%s] winpr_image_read failed for %s", __func__, dpath);
    goto fail;
  }
 
  const int bmpSrcWSize = winpr_image_write_ex(bmp1, WINPR_IMAGE_BITMAP, bpath1);
  if (bmpSrcWSize <= 0)
  {
    (void)fprintf(stderr, "[%s] winpr_image_write_ex failed for %s", __func__, bpath1);
    goto fail;
  }
 
  /* write a bitmap and read it back.
   * this tests if we have the proper internal format */
  const int bmpBinWSize = winpr_image_write_ex(bmp2, WINPR_IMAGE_BITMAP, bpath2);
  if (bmpBinWSize <= 0)
  {
    (void)fprintf(stderr, "[%s] winpr_image_write_ex failed for %s", __func__, bpath2);
    goto fail;
  }
 
  const int bmp3RSize = winpr_image_read(bmp3, bpath2);
  if (bmp3RSize <= 0)
  {
    (void)fprintf(stderr, "[%s] winpr_image_read failed for %s", __func__, bpath2);
    goto fail;
  }
 
  if (!winpr_image_equal(bmp1, bmp2,
                         WINPR_IMAGE_CMP_IGNORE_DEPTH | WINPR_IMAGE_CMP_IGNORE_ALPHA |
                             WINPR_IMAGE_CMP_FUZZY))
  {
    (void)fprintf(stderr, "[%s] winpr_image_eqal failed bmp1 bmp2", __func__);
    goto fail;
  }
 
  rc = winpr_image_equal(bmp3, bmp2,
                         WINPR_IMAGE_CMP_IGNORE_DEPTH | WINPR_IMAGE_CMP_IGNORE_ALPHA |
                             WINPR_IMAGE_CMP_FUZZY);
  if (!rc)
    (void)fprintf(stderr, "[%s] winpr_image_eqal failed bmp3 bmp2", __func__);
fail:
  winpr_image_free(bmp1, TRUE);
  winpr_image_free(bmp2, TRUE);
  winpr_image_free(bmp3, TRUE);
  return rc;
}
 
static BOOL test_read_write(void)
{
  BOOL rc = TRUE;
  for (UINT32 x = 0; x < UINT8_MAX; x++)
  {
    if (!winpr_image_format_is_supported(x))
      continue;
    if (!test_read_write_compare(test_src_filename, test_bin_filename, x))
      rc = FALSE;
  }
  return rc;
}
 
static BOOL test_load_file(const char* name)
{
  BOOL rc = FALSE;
  wImage* image = winpr_image_new();
  if (!image || !name)
    goto fail;
 
  const int res = winpr_image_read(image, name);
  rc = (res > 0) ? TRUE : FALSE;
 
fail:
  winpr_image_free(image, TRUE);
  return rc;
}
 
static BOOL test_load(void)
{
  const char* names[] = {
    "rgb.16a.bmp", "rgb.16a.nocolor.bmp", "rgb.16.bmp",  "rgb.16.nocolor.bmp",
    "rgb.16x.bmp", "rgb.16x.nocolor.bmp", "rgb.24.bmp",  "rgb.24.nocolor.bmp",
    "rgb.32.bmp",  "rgb.32.nocolor.bmp",  "rgb.32x.bmp", "rgb.32x.nocolor.bmp",
    "rgb.bmp"
  };
 
  for (size_t x = 0; x < ARRAYSIZE(names); x++)
  {
    const char* name = names[x];
    char* fname = GetCombinedPath(TEST_SOURCE_PATH, name);
    const BOOL res = test_load_file(fname);
    free(fname);
    if (!res)
      return FALSE;
  }
 
  return TRUE;
}
 
int TestImage(int argc, char* argv[])
{
  int rc = 0;
 
  WINPR_UNUSED(argc);
  WINPR_UNUSED(argv);
 
  if (!test_equal())
    rc -= 1;
 
  if (!test_read_write())
    rc -= 2;
 
  if (!test_load())
    rc -= 4;
 
  return rc;
}