diff options
Diffstat (limited to 'nGenEx/Bmp.cpp')
| -rw-r--r-- | nGenEx/Bmp.cpp | 398 |
1 files changed, 199 insertions, 199 deletions
diff --git a/nGenEx/Bmp.cpp b/nGenEx/Bmp.cpp index db81e8f..e92cc22 100644 --- a/nGenEx/Bmp.cpp +++ b/nGenEx/Bmp.cpp @@ -1,15 +1,15 @@ /* Project nGenEx
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
+ Destroyer Studios LLC
+ Copyright © 1997-2004. All Rights Reserved.
- SUBSYSTEM: nGenEx.lib
- FILE: Bmp.cpp
- AUTHOR: John DiCamillo
+ SUBSYSTEM: nGenEx.lib
+ FILE: Bmp.cpp
+ AUTHOR: John DiCamillo
- OVERVIEW
- ========
- BMP image file loader
+ OVERVIEW
+ ========
+ BMP image file loader
*/
@@ -23,229 +23,229 @@ // +--------------------------------------------------------------------+
BmpImage::BmpImage()
- : width(0), height(0), image(0)
+: width(0), height(0), image(0)
{ }
BmpImage::BmpImage(short w, short h, unsigned long* hibits)
{
- ZeroMemory(this, sizeof(BmpImage));
+ ZeroMemory(this, sizeof(BmpImage));
- width = w;
- height = h;
+ width = w;
+ height = h;
- file_hdr.type = 19778; // 'BM'
- file_hdr.size = sizeof(BmpFileHeader) +
- sizeof(BmpInfoHeader) +
- w * h * 3;
+ file_hdr.type = 19778; // 'BM'
+ file_hdr.size = sizeof(BmpFileHeader) +
+ sizeof(BmpInfoHeader) +
+ w * h * 3;
- file_hdr.offset = sizeof(BmpFileHeader) +
- sizeof(BmpInfoHeader);
+ file_hdr.offset = sizeof(BmpFileHeader) +
+ sizeof(BmpInfoHeader);
- info_hdr.hdr_size = sizeof(BmpInfoHeader);
- info_hdr.width = width;
- info_hdr.height = height;
- info_hdr.planes = 1;
- info_hdr.bit_count = 24;
+ info_hdr.hdr_size = sizeof(BmpInfoHeader);
+ info_hdr.width = width;
+ info_hdr.height = height;
+ info_hdr.planes = 1;
+ info_hdr.bit_count = 24;
- int pixels = width * height;
+ int pixels = width * height;
- image = new(__FILE__,__LINE__) DWORD [pixels];
+ image = new(__FILE__,__LINE__) DWORD [pixels];
- if (image && pixels) {
- for (int i = 0; i < pixels; i++)
- image[i] = hibits[i];
- }
+ if (image && pixels) {
+ for (int i = 0; i < pixels; i++)
+ image[i] = hibits[i];
+ }
}
BmpImage::~BmpImage()
{
- delete [] image;
+ delete [] image;
}
// +--------------------------------------------------------------------+
int BmpImage::Load(char *filename)
{
- int status = BMP_INVALID;
- FILE* f;
-
- fopen_s(&f, filename,"rb");
- if (f == NULL)
- return BMP_NOFILE;
-
- fread(&file_hdr.type, sizeof(WORD), 1, f);
- fread(&file_hdr.size, sizeof(DWORD), 1, f);
- fread(&file_hdr.rsvd1, sizeof(WORD), 1, f);
- fread(&file_hdr.rsvd2, sizeof(WORD), 1, f);
- fread(&file_hdr.offset, sizeof(DWORD), 1, f);
- fread(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
-
- if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
- (info_hdr.width&3) || (info_hdr.height&3) ||
- info_hdr.compression != 0) {
- fclose(f);
- return BMP_INVALID;
- }
-
- width = (WORD) info_hdr.width;
- height = (WORD) info_hdr.height;
-
- // read 256 color BMP file
- if (info_hdr.bit_count == 8) {
- fread(palette, sizeof(palette), 1, f);
-
- int pixels = width*height;
-
- delete [] image;
- image = new(__FILE__,__LINE__) DWORD[pixels];
- if (image == NULL)
- return BMP_NOMEM;
-
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- BYTE index = fgetc(f);
- image[row*width+col] = palette[index];
- }
- }
-
- status = BMP_OK;
- }
-
- // read 24-bit (true COLOR) BMP file
- else if (info_hdr.bit_count == 24) {
- int pixels = width*height;
-
- delete [] image;
- image = new(__FILE__,__LINE__) DWORD[pixels];
- if (image == NULL)
- return BMP_NOMEM;
-
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- DWORD blue = fgetc(f);
- DWORD green = fgetc(f);
- DWORD red = fgetc(f);
-
- image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
- }
- }
-
- status = BMP_OK;
- }
-
- fclose(f);
- return status;
+ int status = BMP_INVALID;
+ FILE* f;
+
+ fopen_s(&f, filename,"rb");
+ if (f == NULL)
+ return BMP_NOFILE;
+
+ fread(&file_hdr.type, sizeof(WORD), 1, f);
+ fread(&file_hdr.size, sizeof(DWORD), 1, f);
+ fread(&file_hdr.rsvd1, sizeof(WORD), 1, f);
+ fread(&file_hdr.rsvd2, sizeof(WORD), 1, f);
+ fread(&file_hdr.offset, sizeof(DWORD), 1, f);
+ fread(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
+
+ if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
+ (info_hdr.width&3) || (info_hdr.height&3) ||
+ info_hdr.compression != 0) {
+ fclose(f);
+ return BMP_INVALID;
+ }
+
+ width = (WORD) info_hdr.width;
+ height = (WORD) info_hdr.height;
+
+ // read 256 color BMP file
+ if (info_hdr.bit_count == 8) {
+ fread(palette, sizeof(palette), 1, f);
+
+ int pixels = width*height;
+
+ delete [] image;
+ image = new(__FILE__,__LINE__) DWORD[pixels];
+ if (image == NULL)
+ return BMP_NOMEM;
+
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ BYTE index = fgetc(f);
+ image[row*width+col] = palette[index];
+ }
+ }
+
+ status = BMP_OK;
+ }
+
+ // read 24-bit (true COLOR) BMP file
+ else if (info_hdr.bit_count == 24) {
+ int pixels = width*height;
+
+ delete [] image;
+ image = new(__FILE__,__LINE__) DWORD[pixels];
+ if (image == NULL)
+ return BMP_NOMEM;
+
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ DWORD blue = fgetc(f);
+ DWORD green = fgetc(f);
+ DWORD red = fgetc(f);
+
+ image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
+ }
+ }
+
+ status = BMP_OK;
+ }
+
+ fclose(f);
+ return status;
}
// +--------------------------------------------------------------------+
int BmpImage::LoadBuffer(unsigned char* buf, int len)
{
- int status = BMP_INVALID;
- BYTE* fp;
-
- if (buf == NULL)
- return BMP_NOFILE;
-
- fp = buf;
- memcpy(&info_hdr, buf + BMP_FILE_HDR_SIZE, BMP_INFO_HDR_SIZE);
- fp += BMP_FILE_HDR_SIZE + BMP_INFO_HDR_SIZE;
-
- if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
- (info_hdr.width&3) || (info_hdr.height&3) ||
- info_hdr.compression != 0) {
- return BMP_INVALID;
- }
-
- width = (WORD) info_hdr.width;
- height = (WORD) info_hdr.height;
-
- // read 256 color BMP file
- if (info_hdr.bit_count == 8) {
- memcpy(palette, fp, sizeof(palette));
- fp += sizeof(palette);
-
- int pixels = width*height;
-
- delete [] image;
- image = new(__FILE__,__LINE__) DWORD[pixels];
- if (image == NULL)
- return BMP_NOMEM;
-
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- BYTE index = *fp++;
- image[row*width+col] = palette[index];
- }
- }
-
- status = BMP_OK;
- }
-
- // read 24-bit (true COLOR) BMP file
- else if (info_hdr.bit_count == 24) {
- int pixels = width*height;
-
- delete [] image;
- image = new(__FILE__,__LINE__) DWORD[pixels];
- if (image == NULL)
- return BMP_NOMEM;
-
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- DWORD blue = *fp++;
- DWORD green = *fp++;
- DWORD red = *fp++;
-
- image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
- }
- }
-
- status = BMP_OK;
- }
-
- return status;
+ int status = BMP_INVALID;
+ BYTE* fp;
+
+ if (buf == NULL)
+ return BMP_NOFILE;
+
+ fp = buf;
+ memcpy(&info_hdr, buf + BMP_FILE_HDR_SIZE, BMP_INFO_HDR_SIZE);
+ fp += BMP_FILE_HDR_SIZE + BMP_INFO_HDR_SIZE;
+
+ if (info_hdr.width > 32768 || info_hdr.height > 32768 ||
+ (info_hdr.width&3) || (info_hdr.height&3) ||
+ info_hdr.compression != 0) {
+ return BMP_INVALID;
+ }
+
+ width = (WORD) info_hdr.width;
+ height = (WORD) info_hdr.height;
+
+ // read 256 color BMP file
+ if (info_hdr.bit_count == 8) {
+ memcpy(palette, fp, sizeof(palette));
+ fp += sizeof(palette);
+
+ int pixels = width*height;
+
+ delete [] image;
+ image = new(__FILE__,__LINE__) DWORD[pixels];
+ if (image == NULL)
+ return BMP_NOMEM;
+
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ BYTE index = *fp++;
+ image[row*width+col] = palette[index];
+ }
+ }
+
+ status = BMP_OK;
+ }
+
+ // read 24-bit (true COLOR) BMP file
+ else if (info_hdr.bit_count == 24) {
+ int pixels = width*height;
+
+ delete [] image;
+ image = new(__FILE__,__LINE__) DWORD[pixels];
+ if (image == NULL)
+ return BMP_NOMEM;
+
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ DWORD blue = *fp++;
+ DWORD green = *fp++;
+ DWORD red = *fp++;
+
+ image[row*width+col] = 0xff000000 | (red << 16) | (green << 8) | blue;
+ }
+ }
+
+ status = BMP_OK;
+ }
+
+ return status;
}
// +--------------------------------------------------------------------+
int BmpImage::Save(char *filename)
{
- int status = BMP_INVALID;
- FILE* f;
-
- fopen_s(&f, filename,"wb");
- if (f == NULL)
- return BMP_NOFILE;
-
- info_hdr.bit_count = 24;
- info_hdr.compression = 0;
-
- fwrite(&file_hdr.type, sizeof(WORD), 1, f);
- fwrite(&file_hdr.size, sizeof(DWORD), 1, f);
- fwrite(&file_hdr.rsvd1, sizeof(WORD), 1, f);
- fwrite(&file_hdr.rsvd2, sizeof(WORD), 1, f);
- fwrite(&file_hdr.offset, sizeof(DWORD), 1, f);
- fwrite(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
-
- // write 24-bit (TRUE COLOR) BMP file
- for (int row = height-1; row >= 0; row--) {
- for (int col = 0; col < width; col++) {
- DWORD pixel = image[row*width+col];
-
- BYTE blue = (BYTE) ((pixel & 0x000000ff) >> 0);
- BYTE green = (BYTE) ((pixel & 0x0000ff00) >> 8);
- BYTE red = (BYTE) ((pixel & 0x00ff0000) >> 16);
-
- fwrite(&blue, 1, 1, f);
- fwrite(&green, 1, 1, f);
- fwrite(&red, 1, 1, f);
- }
- }
-
- status = BMP_OK;
-
- fclose(f);
- return status;
+ int status = BMP_INVALID;
+ FILE* f;
+
+ fopen_s(&f, filename,"wb");
+ if (f == NULL)
+ return BMP_NOFILE;
+
+ info_hdr.bit_count = 24;
+ info_hdr.compression = 0;
+
+ fwrite(&file_hdr.type, sizeof(WORD), 1, f);
+ fwrite(&file_hdr.size, sizeof(DWORD), 1, f);
+ fwrite(&file_hdr.rsvd1, sizeof(WORD), 1, f);
+ fwrite(&file_hdr.rsvd2, sizeof(WORD), 1, f);
+ fwrite(&file_hdr.offset, sizeof(DWORD), 1, f);
+ fwrite(&info_hdr, BMP_INFO_HDR_SIZE, 1, f);
+
+ // write 24-bit (TRUE COLOR) BMP file
+ for (int row = height-1; row >= 0; row--) {
+ for (int col = 0; col < width; col++) {
+ DWORD pixel = image[row*width+col];
+
+ BYTE blue = (BYTE) ((pixel & 0x000000ff) >> 0);
+ BYTE green = (BYTE) ((pixel & 0x0000ff00) >> 8);
+ BYTE red = (BYTE) ((pixel & 0x00ff0000) >> 16);
+
+ fwrite(&blue, 1, 1, f);
+ fwrite(&green, 1, 1, f);
+ fwrite(&red, 1, 1, f);
+ }
+ }
+
+ status = BMP_OK;
+
+ fclose(f);
+ return status;
}
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