#pragma hdrstop
#endif
+#include "wx/defs.h"
+
+#if wxUSE_IMAGE
+
#include "wx/imagbmp.h"
#include "wx/bitmap.h"
#include "wx/debug.h"
}
unsigned width = image->GetWidth();
- unsigned row_width = width * 3 +
+ unsigned row_width = width * 3 +
(((width % 4) == 0) ? 0 : (4 - (width * 3) % 4));
- // each row must be aligned to dwords
+ // each row must be aligned to dwords
struct
{
// BitmapHeader:
wxUint32 filesize; // total file size, inc. headers
wxUint32 reserved; // for future use
wxUint32 data_offset; // image data offset in the file
-
+
// BitmapInfoHeader:
wxUint32 bih_size; // 2nd part's size
wxUint32 width, height; // bitmap's dimensions
hdr.magic = wxUINT16_SWAP_ON_BE(0x4D42/*'BM'*/);
hdr.filesize = wxUINT32_SWAP_ON_BE(
- hdr_size +
+ hdr_size +
row_width * image->GetHeight()
);
hdr.reserved = 0;
hdr.data_offset = wxUINT32_SWAP_ON_BE(hdr_size);
-
+
hdr.bih_size = wxUINT32_SWAP_ON_BE(hdr_size - 14);
hdr.width = wxUINT32_SWAP_ON_BE(image->GetWidth());
hdr.height = wxUINT32_SWAP_ON_BE(image->GetHeight());
hdr.planes = wxUINT16_SWAP_ON_BE(1); // always 1 plane
hdr.bpp = wxUINT16_SWAP_ON_BE(24); // always TrueColor
hdr.compression = 0; // RGB uncompressed
- hdr.size_of_bmp = wxUINT32_SWAP_ON_BE(row_width * image->GetHeight());
+ hdr.size_of_bmp = wxUINT32_SWAP_ON_BE(row_width * image->GetHeight());
hdr.h_res = hdr.v_res = wxUINT32_SWAP_ON_BE(72); // 72dpi is standard
hdr.num_clrs = 0; // maximal possible = 2^24
hdr.num_signif_clrs = 0; // all colors are significant
!stream.Write(&hdr.v_res, 4) ||
!stream.Write(&hdr.num_clrs, 4) ||
!stream.Write(&hdr.num_signif_clrs, 4)
- )
+ )
{
if (verbose)
wxLogError(_("BMP: Couldn't write the file header."));
buffer[3 * x + 0] = buffer[3 * x + 2];
buffer[3 * x + 2] = tmpvar;
}
-
+
if (!stream.Write(buffer, row_width))
{
if (verbose)
int rshift = 0, gshift = 0, bshift = 0;
wxUint8 aByte;
wxUint16 aWord;
- wxInt32 dbuf[4], aDword,
- rmask = 0, gmask = 0, bmask = 0;
+ wxInt32 dbuf[4];
+ wxInt32 aDword, rmask = 0, gmask = 0, bmask = 0;
wxInt8 bbuf[4];
struct _cmap {
unsigned char r, g, b;
* Read the BMP header
*/
- stream.Read( &bbuf, 2 );
+ stream.Read( bbuf, 2 );
stream.Read( dbuf, 4 * 4 );
#if 0 // unused
if (bpp == 1)
{
int bit = 0;
- for (bit = 0; bit < 8; bit++)
+ for (bit = 0; bit < 8 && column < width; bit++)
{
index = ((aByte & (0x80 >> bit)) ? 1 : 0);
ptr[poffset] = cmap[index].r;
else
{
int nibble = 0;
- for (nibble = 0; nibble < 2; nibble++)
+ for (nibble = 0; nibble < 2 && column < width; nibble++)
{
index = ((aByte & (0xF0 >> nibble * 4)) >> (!nibble * 4));
if (index >= 16)
}
else
{
- for (int l = 0; l < first; l++)
+ for (int l = 0; l < first && column < width; l++)
{
ptr[poffset ] = cmap[aByte].r;
ptr[poffset + 1] = cmap[aByte].g;
}
else if (bpp == 24)
{
- stream.Read( &bbuf, 3 );
+ stream.Read( bbuf, 3 );
linepos += 3;
ptr[poffset ] = (unsigned char)bbuf[2];
ptr[poffset + 1] = (unsigned char)bbuf[1];
{
unsigned char hdr[2];
- stream.Read(&hdr, 2);
+ stream.Read(hdr, 2);
stream.SeekI(-2, wxFromCurrent);
return (hdr[0] == 'B' && hdr[1] == 'M');
}
#endif // wxUSE_STREAMS
-
+#endif // wxUSE_IMAGE