mirror of
https://git.code.sf.net/p/libpng/code.git
synced 2025-07-10 18:04:09 +02:00
[libpng] Fixed contrib/examples/png2png.c
This commit is contained in:
parent
d099973c4f
commit
53f7051b1b
@ -29,13 +29,17 @@ int main(int argc, const char **argv)
|
||||
{
|
||||
png_image image;
|
||||
|
||||
/* Only the image structure version number needs to be set. */
|
||||
memset(&image, 0, sizeof image);
|
||||
image.version = PNG_IMAGE_VERSION;
|
||||
|
||||
if (png_image_begin_read_from_file(&image, argv[1]))
|
||||
{
|
||||
png_bytep buffer;
|
||||
|
||||
/* Change this to try different formats! */
|
||||
/* Change this to try different formats! If you set a colormap format
|
||||
* then you must also supply a colormap below.
|
||||
*/
|
||||
image.format = PNG_FORMAT_RGBA;
|
||||
|
||||
buffer = malloc(PNG_IMAGE_SIZE(image));
|
||||
@ -43,10 +47,11 @@ int main(int argc, const char **argv)
|
||||
if (buffer != NULL)
|
||||
{
|
||||
if (png_image_finish_read(&image, NULL/*background*/, buffer,
|
||||
0/*row_stride*/))
|
||||
0/*row_stride*/, NULL/*colormap for PNG_FORMAT_FLAG_COLORMAP */))
|
||||
{
|
||||
if (png_image_write_to_file(&image, argv[2],
|
||||
0/*convert_to_8bit*/, buffer, 0/*row_stride*/))
|
||||
0/*convert_to_8bit*/, buffer, 0/*row_stride*/,
|
||||
NULL/*colormap*/))
|
||||
result = 0;
|
||||
|
||||
else
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user