1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* in_bmp.cpp -- read a Windows(?) BMP bitmap file
* by pts@fazekas.hu at Sat Mar 2 00:46:54 CET 2002
*
*/
#ifdef __GNUC__
#ifndef __clang__
#pragma implementation
#endif
#endif
#include "image.hpp"
#include "error.hpp"
#if USE_IN_BMP
#include "gensio.hpp"
#include "input-bmp.ci"
static Image::Sampled *in_bmp_reader(Image::Loader::UFD *ufd, SimBuffer::Flat const&) {
Image::Sampled *ret=0;
bitmap_type bitmap=bmp_load_image(((Filter::UngetFILED*)ufd)->getFILE(/*seekable:*/false));
/* Imp: Work without duplicated memory allocation */
if (BITMAP_PLANES(bitmap)==1) {
Image::Gray *img=new Image::Gray(BITMAP_WIDTH(bitmap), BITMAP_HEIGHT(bitmap), 8);
memcpy(img->getRowbeg(), BITMAP_BITS(bitmap), (slen_t)BITMAP_WIDTH(bitmap)*BITMAP_HEIGHT(bitmap));
ret=img;
} else if (BITMAP_PLANES(bitmap)==3) {
Image::RGB *img=new Image::RGB(BITMAP_WIDTH(bitmap), BITMAP_HEIGHT(bitmap), 8);
memcpy(img->getRowbeg(), BITMAP_BITS(bitmap), (slen_t)3*BITMAP_WIDTH(bitmap)*BITMAP_HEIGHT(bitmap));
ret=img;
} else assert(0 && "invalid BMP depth");
delete [] BITMAP_BITS(bitmap);
return ret;
}
static Image::Loader::reader_t in_bmp_checker(char buf[Image::Loader::MAGIC_LEN], char [Image::Loader::MAGIC_LEN], SimBuffer::Flat const&, Image::Loader::UFD*) {
return (buf[0]=='B' && buf[1]=='M'
&& buf[6]==0 && buf[7]==0 && buf[8]==0 && buf[9]==0
&& (unsigned char)(buf[14])<=64 && buf[15]==0 && buf[16]==0 && buf[17]==0)
? in_bmp_reader : 0;
}
#else
#define in_bmp_checker NULLP
#endif /* USE_IN_BMP */
Image::Loader in_bmp_loader = { "BMP", in_bmp_checker, 0 };
|
