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Fix image writing issues for pdfioFileCreateImageObjFromData (Issue #15)

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This commit is contained in:
Michael R Sweet
2021-07-18 09:50:22 -04:00
parent 3e0507ba6c
commit 2cc4789cf6
2 changed files with 20 additions and 9 deletions
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23
testpdfio.c
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@@ -772,7 +772,10 @@ write_alpha_test(
if (i > 2)
{
// Add alpha channel
*bufptr++ = (unsigned char)((x + y) / 2);
if (x < 112 || x >= 144 || y < 112 || y >= 144)
*bufptr++ = (unsigned char)((x - 128) * (y - 128));
else
*bufptr++ = 0;
}
}
}
@@ -792,7 +795,10 @@ write_alpha_test(
if (i > 2)
{
// Add alpha channel
*bufptr++ = (unsigned char)((x + y) / 2);
if (x < 112 || x >= 144 || y < 112 || y >= 144)
*bufptr++ = (unsigned char)((x - 128) * (y - 128));
else
*bufptr++ = 0;
}
}
}
@@ -817,7 +823,10 @@ write_alpha_test(
if (i > 2)
{
// Add alpha channel
*bufptr++ = (unsigned char)((x + y) / 2);
if (x < 112 || x >= 144 || y < 112 || y >= 144)
*bufptr++ = (unsigned char)((x - 128) * (y - 128));
else
*bufptr++ = 0;
}
}
}
@@ -828,7 +837,7 @@ write_alpha_test(
printf("pdfioFileCreateImageObjFromData(num_colors=%u, alpha=%s): ", (unsigned)num_colors, i > 2 ? "true" : "false");
if ((images[i] = pdfioFileCreateImageObjFromData(pdf, buffer, 256, 256, num_colors, NULL, i > 2, false)) != NULL)
{
puts("PASS");
printf("PASS (%u)\n", (unsigned)pdfioObjGetNumber(images[i]));
}
else
{
@@ -877,9 +886,9 @@ write_alpha_test(
"DeviceGray",
"DeviceRGB",
"DeviceCMYK",
"DeviceGray + Alpha",
"DeviceRGB + Alpha",
"DeviceCMYK + Alpha"
"DevGray + Alpha",
"DevRGB + Alpha",
"DevCMYK + Alpha"
};
snprintf(iname, sizeof(iname), "IM%d", i + 1);