start using libpicofe, move some files

[fceu.git] / drivers / gp2x / readpng.c

diff --git a/drivers/gp2x/readpng.c b/drivers/gp2x/readpng.c
deleted file mode 100644 (file)
index e6e127f..0000000
--- a/drivers/gp2x/readpng.c
+++ /dev/null
@@ -1,72 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <png.h>
-
-void readpng(unsigned short *dest, const char *fname)
-{
-       FILE *fp;
-       png_structp png_ptr = NULL;
-       png_infop info_ptr = NULL;
-       png_bytepp row_ptr = NULL;
-       int height, width, h;
-
-       if (dest == NULL || fname == NULL)
-       {
-               return;
-       }
-
-       fp = fopen(fname, "rb");
-       if (fp == NULL)
-       {
-               printf(__FILE__ ": failed to open: %s\n", fname);
-               return;
-       }
-
-       png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
-       if (!png_ptr)
-       {
-               printf(__FILE__ ": png_create_read_struct() failed\n");
-               fclose(fp);
-               return;
-       }
-
-       info_ptr = png_create_info_struct(png_ptr);
-       if (!info_ptr)
-       {
-               printf(__FILE__ ": png_create_info_struct() failed\n");
-               goto done;
-       }
-
-       // Start reading
-       png_init_io(png_ptr, fp);
-       png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_STRIP_ALPHA | PNG_TRANSFORM_PACKING, NULL);
-       row_ptr = png_get_rows(png_ptr, info_ptr);
-       if (row_ptr == NULL)
-       {
-               printf(__FILE__ ": png_get_rows() failed\n");
-               goto done;
-       }
-
-       height = info_ptr->height;
-       if (height > 240) height = 240;
-       width = info_ptr->width;
-       if (width > 320) width = 320;
-
-       for (h = 0; h < height; h++)
-       {
-               unsigned char *src = row_ptr[h];
-               int len = width;
-               while (len--)
-               {
-                       *dest++ = ((src[0]&0xf8)<<8) | ((src[1]&0xf8)<<3) | (src[2] >> 3);
-                       src += 3;
-               }
-               dest += 320 - width;
-       }
-
-
-done:
-       png_destroy_read_struct(&png_ptr, info_ptr ? &info_ptr : NULL, (png_infopp)NULL);
-       fclose(fp);
-}
-