From 9a0c8e1b682a8ce8856af78c4740f3bb1763f3f4 Mon Sep 17 00:00:00 2001 From: kramm Date: Sat, 30 Aug 2003 13:07:58 +0000 Subject: [PATCH] print a more detailed error message for mode 4 images. --- src/png2swf.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/src/png2swf.c b/src/png2swf.c index 188bacd..58ebd17 100644 --- a/src/png2swf.c +++ b/src/png2swf.c @@ -168,6 +168,10 @@ int png_read_header(FILE*fi, struct png_header*header) if(b!=0 && b!=2 && b!=3 && b!=6) { fprintf(stderr, "Image mode %d not supported!\n", b); + if(b == 4) { + fprintf(stderr, "(This is a grayscale image with alpha channel-\n"); + fprintf(stderr, " try converting it into an RGB image with alpha channel)\n"); + } exit(1); } if(a!=8 && (b==2 || b==6)) { @@ -556,7 +560,7 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) } if(header.mode==6) applyfilter4(mode, src, old, dest, header.width); - else + else if(header.mode==2) applyfilter3(mode, src, old, dest, header.width); } @@ -591,8 +595,7 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) swf_SetLosslessBits(t, header.width, header.height, data2, BMF_32BIT); } free(data2); - } - else if(header.mode == 0 || header.mode == 3) { + } else if(header.mode == 0 || header.mode == 3) { RGBA*rgba; int swf_width = BYTES_PER_SCANLINE(header.width); U8*data2 = malloc(swf_width*header.height); -- 1.7.10.4