[libpng15] Corrected handling of the image array and the row_pointers array

in example.c
This commit is contained in:
Glenn Randers-Pehrson 2012-08-08 22:14:51 -05:00
parent 0054b566f4
commit 8cc5341ba2

View File

@ -799,12 +799,16 @@ void write_png(char *file_name /* , ... other image information ... */)
* use the first method if you aren't handling interlacing yourself.
*/
png_uint_32 k, height, width;
png_byte image[height][width*bytes_per_pixel];
/* In this example, "image" is a one-dimensional array of bytes */
png_byte image[height*width*bytes_per_pixel];
png_bytep row_pointers[height];
if (height > PNG_UINT_32_MAX/png_sizeof(png_bytep))
png_error (png_ptr, "Image is too tall to process in memory");
/* Set up pointers into your "image" byte array */
for (k = 0; k < height; k++)
row_pointers[k] = image + k*width*bytes_per_pixel;