From ad4866e0cb1f7ddefbe1e31a890741e4cbc50181 Mon Sep 17 00:00:00 2001 From: aliaspider Date: Tue, 28 Oct 2014 06:47:04 +0100 Subject: remove unused files --- source/nds/bitmap.c | 224 ---------------------------------------------------- 1 file changed, 224 deletions(-) delete mode 100644 source/nds/bitmap.c (limited to 'source/nds/bitmap.c') diff --git a/source/nds/bitmap.c b/source/nds/bitmap.c deleted file mode 100644 index efeb11c..0000000 --- a/source/nds/bitmap.c +++ /dev/null @@ -1,224 +0,0 @@ -/* bitmap.c - * - * Copyright (C) 2010 dking - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licens e as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ -//v1.1 - -#include "fs_api.h" -#include "bitmap.h" -#include "ds2_malloc.h" - -int BMP_read(char* filename, char *buf, unsigned int width, unsigned int height, unsigned int* type) -{ - FILE* fp; - BMPHEADER bmp_header; - int flag; - u32 bytepixel; - u32 x, y, sx, sy, m; - unsigned char *dest; - s32 fpos; - unsigned short st[54/2]; - - fp= fopen(filename, "rb"); - if(fp == NULL) - return BMP_ERR_OPENFAILURE; - - flag= fread(st, sizeof(st), 1, fp); - if(!flag) { - fclose(fp); - return BMP_ERR_FORMATE; - } - - bmp_header.bfType= st[0]; - bmp_header.bfSize= st[1] | (st[2]<<16); - bmp_header.bfReserved0= st[3]; - bmp_header.bfReserved1= st[4]; - bmp_header.bfImgoffst= st[5] | (st[6]<<16); - bmp_header.bfImghead.imHeadsize= st[7] | (st[8]<<16); - bmp_header.bfImghead.imBitmapW= st[9] | (st[10]<<16); - bmp_header.bfImghead.imBitmapH= st[11] | (st[12]<<16); - bmp_header.bfImghead.imPlanes= st[13]; - bmp_header.bfImghead.imBitpixel= st[14]; - bmp_header.bfImghead.imCompess= st[15] | (st[16]<<16); - bmp_header.bfImghead.imImgsize= st[17] | (st[18]<<16); - bmp_header.bfImghead.imHres= st[19] | (st[20]<<16); - bmp_header.bfImghead.imVres= st[21] | (st[22]<<16); - bmp_header.bfImghead.imColnum= st[23] | (st[24]<<16); - bmp_header.bfImghead.imImcolnum= st[25] | (st[26]<<16); - - if(bmp_header.bfType != 0x4D42) { //"BM" - fclose(fp); - return BMP_ERR_FORMATE; - } - - if(bmp_header.bfImghead.imCompess != BI_RGB && - bmp_header.bfImghead.imCompess != BI_BITFIELDS) { - fclose(fp); - return BMP_ERR_NEED_GO_ON; //This funciton now not support... - } - - bytepixel= bmp_header.bfImghead.imBitpixel >> 3; - if(bytepixel < 2) { //byte per pixel >= 2 - fclose(fp); - return BMP_ERR_NEED_GO_ON; //This funciton now not support... - } - - *type = bytepixel; - - x= width; - y= height; - sx= bmp_header.bfImghead.imBitmapW; - sy= bmp_header.bfImghead.imBitmapH; - if(x > sx) - x= sx; - if(y > sy) - y= sy; - - // Expect a certain amount of bytes and read them all at once. - unsigned int BytesPerLine = (sx * bytepixel + 3) & ~3; - char* FileBuffer = (char*) malloc(BytesPerLine * (sy - 1) + sx * bytepixel); - if (FileBuffer == NULL) { - fclose(fp); - return BMP_ERR_NEED_GO_ON; // Memory allocation error - } - - fseek(fp, (s32) bmp_header.bfImgoffst, SEEK_SET); - m = fread(FileBuffer, 1, BytesPerLine * (sy - 1) + sx * bytepixel, fp); - - if (m < BytesPerLine * (sy - 1) + sx * bytepixel) { - free(FileBuffer); - fclose(fp); - return BMP_ERR_FORMATE; // incomplete file - } - - // Reorder all the bytes, because scanlines are from bottom to top. - for (m = 0; m < y; m++) { - memcpy(buf + m * x * bytepixel, FileBuffer + (sy - m - 1) * BytesPerLine, x * bytepixel); - } - - free(FileBuffer); - fclose(fp); - - return BMP_OK; -} - -/* -* open BMP file -*/ -int openBMP(BMPINFO* bmpInfo, const char* file) -{ - FILE* fp; - unsigned short st[54/2]; - int len; - - bmpInfo->fp = NULL; - - fp = fopen(file, "r"); - if(NULL == fp) - return BMP_ERR_OPENFAILURE; - - len = fread((void*)st, 1, sizeof(BMPHEADER), fp); - if(len < sizeof(BMPHEADER)) { - fclose(fp); - return BMP_ERR_FORMATE; - } - - bmpInfo->bmpHead.bfType= st[0]; - bmpInfo->bmpHead.bfSize= st[1] | (st[2]<<16); - bmpInfo->bmpHead.bfReserved0= st[3]; - bmpInfo->bmpHead.bfReserved1= st[4]; - bmpInfo->bmpHead.bfImgoffst= st[5] | (st[6]<<16); - bmpInfo->bmpHead.bfImghead.imHeadsize= st[7] | (st[8]<<16); - bmpInfo->bmpHead.bfImghead.imBitmapW= st[9] | (st[10]<<16); - bmpInfo->bmpHead.bfImghead.imBitmapH= st[11] | (st[12]<<16); - bmpInfo->bmpHead.bfImghead.imPlanes= st[13]; - bmpInfo->bmpHead.bfImghead.imBitpixel= st[14]; - bmpInfo->bmpHead.bfImghead.imCompess= st[15] | (st[16]<<16); - bmpInfo->bmpHead.bfImghead.imImgsize= st[17] | (st[18]<<16); - bmpInfo->bmpHead.bfImghead.imHres= st[19] | (st[20]<<16); - bmpInfo->bmpHead.bfImghead.imVres= st[21] | (st[22]<<16); - bmpInfo->bmpHead.bfImghead.imColnum= st[23] | (st[24]<<16); - bmpInfo->bmpHead.bfImghead.imImcolnum= st[25] | (st[26]<<16); - - if(bmpInfo->bmpHead.bfType != 0x4D42) //"BM" - { - fclose(fp); - return BMP_ERR_FORMATE; - } - - if(bmpInfo->bmpHead.bfImghead.imCompess != BI_RGB && - bmpInfo->bmpHead.bfImghead.imCompess != BI_BITFIELDS) - { - fclose(fp); - return BMP_ERR_NEED_GO_ON; //This funciton now not support... - } - - bmpInfo->fp = fp; - - return BMP_OK; -} - -/* -* read pixel form BMP file -*/ -int readBMP(BMPINFO* bmpInfo, unsigned int start_x, unsigned int start_y, - unsigned int width, unsigned int height, void* buffer) -{ - unsigned int m, n; - unsigned int bmp_w, bmp_h; - int fpos; - unsigned char* dst; - unsigned int bytepixel; - - bytepixel = bmpInfo->bmpHead.bfImghead.imBitpixel >> 3; - if(bytepixel < 2) //Not support <2 bytes per pixel now - return -1; - - //BMP scan from down to up - bmp_w = bmpInfo->bmpHead.bfImghead.imBitmapW; - bmp_h = bmpInfo->bmpHead.bfImghead.imBitmapH; - if(((start_x +1) > bmp_w) || ((start_y+1) > bmp_h)) return -1; - n = bmp_w - start_x; - if(n > width) n = width; //start_x + width < bmp_w - m = bmp_h - start_y; - if(m > height) m = height; //start_y + height < bmp_h - - fpos = (int)bmpInfo->bmpHead.bfImgoffst; - - fpos += (((bmp_w*bytepixel+3)>>2)<<2)*(bmp_h - start_y -1) + start_x*bytepixel; - dst = (unsigned char*)buffer; - n *= bytepixel; - while(m--) { - fseek(bmpInfo->fp, fpos, SEEK_SET); - fread(dst, 1, n, bmpInfo->fp); - fpos -= ((bmp_w*bytepixel+3)>>2)<<2; - dst += width*bytepixel; - } - - return 0; -} - -/* -* close BMP file -*/ -void closeBMP(BMPINFO* bmpInfo) -{ - if(NULL != bmpInfo->fp) - fclose(bmpInfo->fp); -} - - -- cgit v1.2.3