initial psp code, functional menu

[libpicofe.git] / common / readpng.c

diff --git a/common/readpng.c b/common/readpng.c
index 2a74668..1dd05a8 100644 (file)
--- a/common/readpng.c
+++ b/common/readpng.c
@@ -4,6 +4,14 @@
 #include "readpng.h"
 #include "lprintf.h"
 
+#ifdef PSP
+#define BG_WIDTH  480
+#define BG_HEIGHT 272
+#else
+#define BG_WIDTH  320
+#define BG_HEIGHT 240
+#endif
+
 void readpng(void *dest, const char *fname, readpng_what what)
 {
        FILE *fp;
@@ -62,9 +70,9 @@ void readpng(void *dest, const char *fname, readpng_what what)
                                break;
                        }
                        height = info_ptr->height;
-                       if (height > 240) height = 240;
+                       if (height > BG_HEIGHT) height = BG_HEIGHT;
                        width = info_ptr->width;
-                       if (width > 320) width = 320;
+                       if (width > BG_WIDTH) width = BG_WIDTH;
 
                        for (h = 0; h < height; h++)
                        {
@@ -75,7 +83,7 @@ void readpng(void *dest, const char *fname, readpng_what what)
                                        *dst++ = ((src[0]&0xf8)<<8) | ((src[1]&0xf8)<<3) | (src[2] >> 3);
                                        src += 3;
                                }
-                               dst += 320 - width;
+                               dst += BG_WIDTH - width;
                        }
                        break;
                }