From 8898ad9b25fca6afe2374d293a981db02a83d7e9 Mon Sep 17 00:00:00 2001 From: "FWoltermann@gmail.com" Date: Thu, 31 May 2012 14:46:27 +0000 Subject: Committing the documentation to svn to have it accessible online --- Doc/doxygen/html/_bmp_8cpp_source.html | 368 +++++++++++++++++++++++++++++++++ 1 file changed, 368 insertions(+) create mode 100644 Doc/doxygen/html/_bmp_8cpp_source.html (limited to 'Doc/doxygen/html/_bmp_8cpp_source.html') diff --git a/Doc/doxygen/html/_bmp_8cpp_source.html b/Doc/doxygen/html/_bmp_8cpp_source.html new file mode 100644 index 0000000..cee30af --- /dev/null +++ b/Doc/doxygen/html/_bmp_8cpp_source.html @@ -0,0 +1,368 @@ + + + + + +Starshatter_Open: D:/SRC/StarshatterSVN/nGenEx/Bmp.cpp Source File + + + + + + + + + + + + + +
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Starshatter_Open +
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Open source Starshatter engine
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+
Bmp.cpp
+
+
+Go to the documentation of this file.
1 /* Project nGenEx
+
2  Destroyer Studios LLC
+
3  Copyright © 1997-2004. All Rights Reserved.
+
4 
+
5  SUBSYSTEM: nGenEx.lib
+
6  FILE: Bmp.cpp
+
7  AUTHOR: John DiCamillo
+
8 
+
9 
+
10  OVERVIEW
+
11  ========
+
12  BMP image file loader
+
13 */
+
14 
+
15 
+
16 #include "MemDebug.h"
+
17 #include "BMP.h"
+
18 
+
19 #include <stdio.h>
+
20 #include <stdlib.h>
+
21 #include <string.h>
+
22 
+
23 // +--------------------------------------------------------------------+
+
24 
+
25 BmpImage::BmpImage()
+
26 : width(0), height(0), image(0)
+
27 { }
+
28 
+
29 BmpImage::BmpImage(short w, short h, unsigned long* hibits)
+
30 {
+
31  ZeroMemory(this, sizeof(BmpImage));
+
32 
+
33  width = w;
+
34  height = h;
+
35 
+
36  file_hdr.type = 19778; // 'BM'
+
37  file_hdr.size = sizeof(BmpFileHeader) +
+
38  sizeof(BmpInfoHeader) +
+
39  w * h * 3;
+
40 
+
41  file_hdr.offset = sizeof(BmpFileHeader) +
+
42  sizeof(BmpInfoHeader);
+
43 
+
44  info_hdr.hdr_size = sizeof(BmpInfoHeader);
+
45  info_hdr.width = width;
+
46  info_hdr.height = height;
+
47  info_hdr.planes = 1;
+
48  info_hdr.bit_count = 24;
+
49 
+
50  int pixels = width * height;
+
51 
+
52  image = new(__FILE__,__LINE__) DWORD [pixels];
+
53 
+
54  if (image && pixels) {
+
55  for (int i = 0; i < pixels; i++)
+
56  image[i] = hibits[i];
+
57  }
+
58 }
+
59 
+
60 BmpImage::~BmpImage()
+
61 {
+
62  delete [] image;
+
63 }
+
64 
+
65 // +--------------------------------------------------------------------+
+
66 
+
67 int BmpImage::Load(char *filename)
+
68 {
+
69  int status = BMP_INVALID;
+
70  FILE* f;
+
71 
+
72  fopen_s(&f, filename,"rb");
+
73  if (f == NULL)
+
74  return BMP_NOFILE;
+
75 
+
76  fread(&file_hdr.type, sizeof(WORD), 1, f);
+
77  fread(&file_hdr.size, sizeof(DWORD), 1, f);
+
78  fread(&file_hdr.rsvd1, sizeof(WORD), 1, f);
+
79  fread(&file_hdr.rsvd2, sizeof(WORD), 1, f);
+
80  fread(&file_hdr.offset, sizeof(DWORD), 1, f);
+
81  fread(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
+
82 
+
83  if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
+
84  (info_hdr.width&3) || (info_hdr.height&3) ||
+
85  info_hdr.compression != 0) {
+
86  fclose(f);
+
87  return BMP_INVALID;
+
88  }
+
89 
+
90  width = (WORD) info_hdr.width;
+
91  height = (WORD) info_hdr.height;
+
92 
+
93  // read 256 color BMP file
+
94  if (info_hdr.bit_count == 8) {
+
95  fread(palette, sizeof(palette), 1, f);
+
96 
+
97  int pixels = width*height;
+
98 
+
99  delete [] image;
+
100  image = new(__FILE__,__LINE__) DWORD[pixels];
+
101  if (image == NULL)
+
102  return BMP_NOMEM;
+
103 
+
104  for (int row = height-1; row >= 0; row--) {
+
105  for (int col = 0; col < width; col++) {
+
106  BYTE index = fgetc(f);
+
107  image[row*width+col] = palette[index];
+
108  }
+
109  }
+
110 
+
111  status = BMP_OK;
+
112  }
+
113 
+
114  // read 24-bit (true COLOR) BMP file
+
115  else if (info_hdr.bit_count == 24) {
+
116  int pixels = width*height;
+
117 
+
118  delete [] image;
+
119  image = new(__FILE__,__LINE__) DWORD[pixels];
+
120  if (image == NULL)
+
121  return BMP_NOMEM;
+
122 
+
123  for (int row = height-1; row >= 0; row--) {
+
124  for (int col = 0; col < width; col++) {
+
125  DWORD blue = fgetc(f);
+
126  DWORD green = fgetc(f);
+
127  DWORD red = fgetc(f);
+
128 
+
129  image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
+
130  }
+
131  }
+
132 
+
133  status = BMP_OK;
+
134  }
+
135 
+
136  fclose(f);
+
137  return status;
+
138 }
+
139 
+
140 // +--------------------------------------------------------------------+
+
141 
+
142 int BmpImage::LoadBuffer(unsigned char* buf, int len)
+
143 {
+
144  int status = BMP_INVALID;
+
145  BYTE* fp;
+
146 
+
147  if (buf == NULL)
+
148  return BMP_NOFILE;
+
149 
+
150  fp = buf;
+
151  memcpy(&info_hdr, buf + BMP_FILE_HDR_SIZE, BMP_INFO_HDR_SIZE);
+
152  fp += BMP_FILE_HDR_SIZE + BMP_INFO_HDR_SIZE;
+
153 
+
154  if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
+
155  (info_hdr.width&3) || (info_hdr.height&3) ||
+
156  info_hdr.compression != 0) {
+
157  return BMP_INVALID;
+
158  }
+
159 
+
160  width = (WORD) info_hdr.width;
+
161  height = (WORD) info_hdr.height;
+
162 
+
163  // read 256 color BMP file
+
164  if (info_hdr.bit_count == 8) {
+
165  memcpy(palette, fp, sizeof(palette));
+
166  fp += sizeof(palette);
+
167 
+
168  int pixels = width*height;
+
169 
+
170  delete [] image;
+
171  image = new(__FILE__,__LINE__) DWORD[pixels];
+
172  if (image == NULL)
+
173  return BMP_NOMEM;
+
174 
+
175  for (int row = height-1; row >= 0; row--) {
+
176  for (int col = 0; col < width; col++) {
+
177  BYTE index = *fp++;
+
178  image[row*width+col] = palette[index];
+
179  }
+
180  }
+
181 
+
182  status = BMP_OK;
+
183  }
+
184 
+
185  // read 24-bit (true COLOR) BMP file
+
186  else if (info_hdr.bit_count == 24) {
+
187  int pixels = width*height;
+
188 
+
189  delete [] image;
+
190  image = new(__FILE__,__LINE__) DWORD[pixels];
+
191  if (image == NULL)
+
192  return BMP_NOMEM;
+
193 
+
194  for (int row = height-1; row >= 0; row--) {
+
195  for (int col = 0; col < width; col++) {
+
196  DWORD blue = *fp++;
+
197  DWORD green = *fp++;
+
198  DWORD red = *fp++;
+
199 
+
200  image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
+
201  }
+
202  }
+
203 
+
204  status = BMP_OK;
+
205  }
+
206 
+
207  return status;
+
208 }
+
209 
+
210 // +--------------------------------------------------------------------+
+
211 
+
212 int BmpImage::Save(char *filename)
+
213 {
+
214  int status = BMP_INVALID;
+
215  FILE* f;
+
216 
+
217  fopen_s(&f, filename,"wb");
+
218  if (f == NULL)
+
219  return BMP_NOFILE;
+
220 
+
221  info_hdr.bit_count = 24;
+
222  info_hdr.compression = 0;
+
223 
+
224  fwrite(&file_hdr.type, sizeof(WORD), 1, f);
+
225  fwrite(&file_hdr.size, sizeof(DWORD), 1, f);
+
226  fwrite(&file_hdr.rsvd1, sizeof(WORD), 1, f);
+
227  fwrite(&file_hdr.rsvd2, sizeof(WORD), 1, f);
+
228  fwrite(&file_hdr.offset, sizeof(DWORD), 1, f);
+
229  fwrite(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
+
230 
+
231  // write 24-bit (TRUE COLOR) BMP file
+
232  for (int row = height-1; row >= 0; row--) {
+
233  for (int col = 0; col < width; col++) {
+
234  DWORD pixel = image[row*width+col];
+
235 
+
236  BYTE blue = (BYTE) ((pixel & 0x000000ff) >> 0);
+
237  BYTE green = (BYTE) ((pixel & 0x0000ff00) >> 8);
+
238  BYTE red = (BYTE) ((pixel & 0x00ff0000) >> 16);
+
239 
+
240  fwrite(&blue, 1, 1, f);
+
241  fwrite(&green, 1, 1, f);
+
242  fwrite(&red, 1, 1, f);
+
243  }
+
244  }
+
245 
+
246  status = BMP_OK;
+
247 
+
248  fclose(f);
+
249  return status;
+
250 }
+
251 
+
+
+ + + + -- cgit v1.1