From 966fe28c59f59fc8be795c8215b9352435982445 Mon Sep 17 00:00:00 2001 From: Aki Date: Thu, 30 Sep 2021 16:46:36 +0200 Subject: Merged nGenEx and Parser into Stars45 --- Stars45/Bmp.cpp | 275 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 275 insertions(+) create mode 100644 Stars45/Bmp.cpp (limited to 'Stars45/Bmp.cpp') diff --git a/Stars45/Bmp.cpp b/Stars45/Bmp.cpp new file mode 100644 index 0000000..600b230 --- /dev/null +++ b/Stars45/Bmp.cpp @@ -0,0 +1,275 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: nGenEx.lib + FILE: Bmp.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + BMP image file loader +*/ + + +#include "MemDebug.h" +#include "BMP.h" + +#include +#include +#include + +// +--------------------------------------------------------------------+ + +BmpImage::BmpImage() + : width(0), height(0), image(0) +{ } + +BmpImage::BmpImage(short w, short h, unsigned long* hibits) +{ + ZeroMemory(this, sizeof(BmpImage)); + + width = w; + height = h; + + file_hdr.type = 19778; // 'BM' + file_hdr.size = sizeof(BmpFileHeader) + + sizeof(BmpInfoHeader) + + w * h * 3; + + 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; + + int pixels = width * height; + + image = new(__FILE__,__LINE__) DWORD [pixels]; + + if (image && pixels) { + for (int i = 0; i < pixels; i++) + image[i] = hibits[i]; + } +} + +BmpImage::~BmpImage() +{ + 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 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 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; +} + -- cgit v1.1