From 5aa5abdff5dd3d8756de6b662af11ab55427fe16 Mon Sep 17 00:00:00 2001 From: Matthias Melcher Date: Sat, 16 Jul 2005 08:38:52 +0000 Subject: Added support for 32bit per pixel subformat, uncompressed, in BMP. Last 8 bit are used as Alpha channel. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4427 ea41ed52-d2ee-0310-a9c1-e6b18d33e121 --- src/Fl_BMP_Image.cxx | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src') diff --git a/src/Fl_BMP_Image.cxx b/src/Fl_BMP_Image.cxx index 175375237..c59504ba6 100644 --- a/src/Fl_BMP_Image.cxx +++ b/src/Fl_BMP_Image.cxx @@ -186,6 +186,10 @@ Fl_BMP_Image::Fl_BMP_Image(const char *bmp) // I - File to read if (depth == 16) use_5_6_5 = (read_dword(fp) == 0xf800); + // Set byte depth for RGBA images + if (depth == 32) + bDepth=4; + // Setup image and buffers... d(bDepth); if (offbits) fseek(fp, offbits, SEEK_SET); @@ -398,6 +402,15 @@ Fl_BMP_Image::Fl_BMP_Image(const char *bmp) // I - File to read getc(fp); } break; + + case 32 : // 32-bit RGBA + for (x = w(); x > 0; x --, ptr += bDepth) { + ptr[2] = (uchar)getc(fp); + ptr[1] = (uchar)getc(fp); + ptr[0] = (uchar)getc(fp); + ptr[3] = (uchar)getc(fp); + } + break; } } -- cgit v1.2.3