src/share/native/sun/awt/splashscreen/splashscreen_png.c

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   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "splashscreen_impl.h"
  27 
  28 #include "../libpng/png.h"
  29 
  30 #include <setjmp.h>
  31 
  32 #define SIG_BYTES 8
  33 
  34 void PNGAPI
  35 my_png_read_stream(png_structp png_ptr, png_bytep data, png_size_t length)
  36 {
  37     png_uint_32 check;
  38 
  39     SplashStream * stream = (SplashStream*)png_get_io_ptr(png_ptr);
  40     check = stream->read(stream, data, length);
  41     if (check != length)
  42         png_error(png_ptr, "Read Error");
  43 }
  44 
  45 int
  46 SplashDecodePng(Splash * splash, png_rw_ptr read_func, void *io_ptr)
  47 {
  48     int stride;




   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "splashscreen_impl.h"
  27 
  28 #include <png.h>
  29 
  30 #include <setjmp.h>
  31 
  32 #define SIG_BYTES 8
  33 
  34 void PNGAPI
  35 my_png_read_stream(png_structp png_ptr, png_bytep data, png_size_t length)
  36 {
  37     png_uint_32 check;
  38 
  39     SplashStream * stream = (SplashStream*)png_get_io_ptr(png_ptr);
  40     check = stream->read(stream, data, length);
  41     if (check != length)
  42         png_error(png_ptr, "Read Error");
  43 }
  44 
  45 int
  46 SplashDecodePng(Splash * splash, png_rw_ptr read_func, void *io_ptr)
  47 {
  48     int stride;