628 lines
15 KiB
C
628 lines
15 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "loadbmp.h"
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OSD_COMP_INFO s_OSDCompInfo[OSD_COLOR_FMT_BUTT] = {{0, 4, 4, 4}, /*RGB444*/
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{4, 4, 4, 4}, /*ARGB4444*/
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{0, 5, 5, 5}, /*RGB555*/
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{0, 5, 6, 5}, /*RGB565*/
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{1, 5, 5, 5}, /*ARGB1555*/
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{0, 0, 0, 0}, /*RESERVED*/
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{0, 8, 8, 8}, /*RGB888*/
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{8, 8, 8, 8} /*ARGB8888*/
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};
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inline HI_U16 OSD_MAKECOLOR_U16(HI_U8 r, HI_U8 g, HI_U8 b, OSD_COMP_INFO compinfo)
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{
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HI_U8 r1, g1, b1;
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HI_U16 pixel = 0;
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HI_U32 tmp = 15;
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r1 = g1 = b1 = 0;
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r1 = r >> (8 - compinfo.rlen);
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g1 = g >> (8 - compinfo.glen);
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b1 = b >> (8 - compinfo.blen);
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while(compinfo.alen)
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{
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pixel |= (1 << tmp);
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tmp --;
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compinfo.alen--;
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}
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pixel |= (r1 | (g1 << compinfo.blen) | (b1 << (compinfo.blen + compinfo.glen)));
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return pixel;
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}
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HI_S32 GetBmpInfo(const char *filename, OSD_BITMAPFILEHEADER *pBmpFileHeader
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,OSD_BITMAPINFO *pBmpInfo)
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{
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FILE *pFile;
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HI_U16 bfType;
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if(NULL == filename)
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{
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printf("OSD_LoadBMP: filename=NULL\n");
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return -1;
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}
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if( (pFile = fopen((char *)filename, "rb")) == NULL)
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{
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printf("Open file faild:%s!\n", filename);
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return -1;
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}
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(void)fread(&bfType, 1, sizeof(bfType), pFile);
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if(bfType != 0x4d42)
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{
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printf("not bitmap file\n");
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fclose(pFile);
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return -1;
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}
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(void)fread(pBmpFileHeader, 1, sizeof(OSD_BITMAPFILEHEADER), pFile);
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(void)fread(pBmpInfo, 1, sizeof(OSD_BITMAPINFO), pFile);
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fclose(pFile);
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return 0;
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}
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int LoadBMP(const char *filename, OSD_LOGO_T *pVideoLogo)
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{
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FILE *pFile;
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HI_U16 i,j;
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HI_U32 w,h;
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HI_U16 Bpp;
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HI_U16 dstBpp;
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OSD_BITMAPFILEHEADER bmpFileHeader;
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OSD_BITMAPINFO bmpInfo;
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HI_U8 *pOrigBMPBuf;
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HI_U8 *pRGBBuf;
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HI_U32 stride;
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if(NULL == filename)
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{
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printf("OSD_LoadBMP: filename=NULL\n");
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return -1;
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}
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if(GetBmpInfo(filename,&bmpFileHeader,&bmpInfo)<0)
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{
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return -1;
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}
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Bpp = bmpInfo.bmiHeader.biBitCount/8;
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if(Bpp < 2)
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{
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/* only support 1555.8888 888 bitmap */
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printf("bitmap format not supported!\n");
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return -1;
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}
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if(bmpInfo.bmiHeader.biCompression != 0)
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{
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printf("not support compressed bitmap file!\n");
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return -1;
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}
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if(bmpInfo.bmiHeader.biHeight < 0)
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{
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printf("bmpInfo.bmiHeader.biHeight < 0\n");
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return -1;
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}
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if( (pFile = fopen((char *)filename, "rb")) == NULL)
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{
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printf("Open file faild:%s!\n", filename);
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return -1;
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}
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pVideoLogo->width = (HI_U16)bmpInfo.bmiHeader.biWidth;
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pVideoLogo->height = (HI_U16)((bmpInfo.bmiHeader.biHeight>0)?bmpInfo.bmiHeader.biHeight:(-bmpInfo.bmiHeader.biHeight));
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w = pVideoLogo->width;
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h = pVideoLogo->height;
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stride = w*Bpp;
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#if 1
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if(stride%4)
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{
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stride = (stride & 0xfffc) + 4;
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}
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#endif
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/* RGB8888 or RGB1555 */
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pOrigBMPBuf = (HI_U8 *)malloc(h*stride);
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if(NULL == pOrigBMPBuf)
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{
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printf("not enough memory to malloc!\n");
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fclose(pFile);
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return -1;
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}
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pRGBBuf = pVideoLogo->pRGBBuffer;
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fseek(pFile, bmpFileHeader.bfOffBits, 0);
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if(fread(pOrigBMPBuf, 1, h*stride, pFile) != (h*stride) )
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{
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printf("fread error!line:%d\n",__LINE__);
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perror("fread:");
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}
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if(Bpp > 2)
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{
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dstBpp = 4;
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}
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else
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{
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dstBpp = 2;
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}
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if(0 == pVideoLogo->stride)
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{
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pVideoLogo->stride = pVideoLogo->width * dstBpp;
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}
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for(i=0; i<h; i++)
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{
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for(j=0; j<w; j++)
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{
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memcpy(pRGBBuf + i*pVideoLogo->stride + j*dstBpp, pOrigBMPBuf + ((h-1)-i)*stride+j*Bpp, Bpp);
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if(dstBpp == 4)
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{
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//*(pRGBBuf + i*pVideoLogo->stride + j*dstbpp + 3) = random()&0xff; /*alpha*/
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*(pRGBBuf + i*pVideoLogo->stride + j*dstBpp + 3) = 0x80; /*alpha*/
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}
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}
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}
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free(pOrigBMPBuf);
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pOrigBMPBuf = NULL;
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fclose(pFile);
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return 0;
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}
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int LoadBMPEx(const char *filename, OSD_LOGO_T *pVideoLogo, OSD_COLOR_FMT_E enFmt)
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{
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FILE *pFile;
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HI_U16 i,j;
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HI_U32 w,h;
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HI_U16 Bpp;
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OSD_BITMAPFILEHEADER bmpFileHeader;
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OSD_BITMAPINFO bmpInfo;
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HI_U8 *pOrigBMPBuf;
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HI_U8 *pRGBBuf;
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HI_U32 stride;
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HI_U8 r, g, b;
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HI_U8 *pStart;
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HI_U16 *pDst;
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if(NULL == filename)
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{
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printf("OSD_LoadBMP: filename=NULL\n");
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return -1;
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}
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if(GetBmpInfo(filename,&bmpFileHeader,&bmpInfo)<0)
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{
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return -1;
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}
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Bpp = bmpInfo.bmiHeader.biBitCount/8;
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if(Bpp < 2)
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{
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/* only support 1555.8888 888 bitmap */
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printf("bitmap format not supported!\n");
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return -1;
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}
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if(bmpInfo.bmiHeader.biCompression != 0)
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{
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printf("not support compressed bitmap file!\n");
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return -1;
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}
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if(bmpInfo.bmiHeader.biHeight < 0)
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{
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printf("bmpInfo.bmiHeader.biHeight < 0\n");
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return -1;
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}
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if( (pFile = fopen((char *)filename, "rb")) == NULL)
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{
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printf("Open file faild:%s!\n", filename);
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return -1;
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}
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pVideoLogo->width = (HI_U16)bmpInfo.bmiHeader.biWidth;
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pVideoLogo->height = (HI_U16)((bmpInfo.bmiHeader.biHeight>0)?bmpInfo.bmiHeader.biHeight:(-bmpInfo.bmiHeader.biHeight));
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w = pVideoLogo->width;
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h = pVideoLogo->height;
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stride = w*Bpp;
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#if 1
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if(stride%4)
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{
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stride = (stride&0xfffc) + 4;
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}
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#endif
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/* RGB8888 or RGB1555 */
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pOrigBMPBuf = (HI_U8 *)malloc(h*stride);
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if(NULL == pOrigBMPBuf)
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{
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printf("not enough memory to malloc!\n");
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fclose(pFile);
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return -1;
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}
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pRGBBuf = pVideoLogo->pRGBBuffer;
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fseek(pFile, bmpFileHeader.bfOffBits, 0);
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if(fread(pOrigBMPBuf, 1, h*stride, pFile) != (h*stride) )
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{
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printf("fread (%d*%d)error!line:%d\n",h,stride,__LINE__);
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perror("fread:");
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}
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if(enFmt >= OSD_COLOR_FMT_RGB888)
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{
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pVideoLogo->stride = pVideoLogo->width * 4;
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}
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else
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{
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pVideoLogo->stride = pVideoLogo->width * 2;
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}
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for(i=0; i<h; i++)
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{
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for(j=0; j<w; j++)
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{
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if(Bpp == 3)/*.....*/
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{
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switch(enFmt)
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{
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case OSD_COLOR_FMT_RGB444:
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case OSD_COLOR_FMT_RGB555:
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case OSD_COLOR_FMT_RGB565:
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case OSD_COLOR_FMT_RGB1555:
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case OSD_COLOR_FMT_RGB4444:
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/* start color convert */
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pStart = pOrigBMPBuf + ((h-1)-i)*stride+j*Bpp;
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pDst = (HI_U16*)(pRGBBuf + i*pVideoLogo->stride + j*2);
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r = *(pStart);
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g = *(pStart + 1);
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b = *(pStart + 2);
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*pDst = OSD_MAKECOLOR_U16(r, g, b, s_OSDCompInfo[enFmt]);
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break;
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case OSD_COLOR_FMT_RGB888:
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case OSD_COLOR_FMT_RGB8888:
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memcpy(pRGBBuf + i*pVideoLogo->stride + j*4, pOrigBMPBuf + ((h-1)-i)*stride+j*Bpp, Bpp);
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*(pRGBBuf + i*pVideoLogo->stride + j*4 + 3) = 0xff; /*alpha*/
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break;
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default:
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printf("file(%s), line(%d), no such format!\n", __FILE__, __LINE__);
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break;
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}
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}
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else if((Bpp == 2)||(Bpp == 4))/*..............*/
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{
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memcpy(pRGBBuf + i*pVideoLogo->stride + j*Bpp, pOrigBMPBuf + ((h-1)-i)*stride+j*Bpp, Bpp);
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}
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}
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}
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free(pOrigBMPBuf);
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pOrigBMPBuf = NULL;
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fclose(pFile);
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return 0;
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}
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int LoadBMPCanvas(const char *filename, OSD_LOGO_T *pVideoLogo, OSD_COLOR_FMT_E enFmt)
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{
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FILE *pFile;
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HI_U16 i,j;
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HI_U32 w,h;
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HI_U16 Bpp;
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OSD_BITMAPFILEHEADER bmpFileHeader;
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OSD_BITMAPINFO bmpInfo;
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HI_U8 *pOrigBMPBuf;
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HI_U8 *pRGBBuf;
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HI_U32 stride;
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HI_U8 r, g, b;
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HI_U8 *pStart;
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HI_U16 *pDst;
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if(NULL == filename)
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{
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printf("OSD_LoadBMP: filename=NULL\n");
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return -1;
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}
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if(GetBmpInfo(filename,&bmpFileHeader,&bmpInfo)<0)
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{
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return -1;
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}
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Bpp = bmpInfo.bmiHeader.biBitCount/8;
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if(Bpp < 2)
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{
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/* only support 1555.8888 888 bitmap */
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printf("bitmap format not supported!\n");
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return -1;
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}
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if(bmpInfo.bmiHeader.biCompression != 0)
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{
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printf("not support compressed bitmap file!\n");
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return -1;
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}
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if(bmpInfo.bmiHeader.biHeight < 0)
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{
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printf("bmpInfo.bmiHeader.biHeight < 0\n");
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return -1;
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}
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if( (pFile = fopen((char *)filename, "rb")) == NULL)
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{
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printf("Open file faild:%s!\n", filename);
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return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
w = (HI_U16)bmpInfo.bmiHeader.biWidth;
|
||
|
|
h = (HI_U16)((bmpInfo.bmiHeader.biHeight>0)?bmpInfo.bmiHeader.biHeight:(-bmpInfo.bmiHeader.biHeight));
|
||
|
|
|
||
|
|
stride = w*Bpp;
|
||
|
|
|
||
|
|
#if 1
|
||
|
|
if(stride%4)
|
||
|
|
{
|
||
|
|
stride = (stride&0xfffc) + 4;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* RGB8888 or RGB1555 */
|
||
|
|
pOrigBMPBuf = (HI_U8 *)malloc(h*stride);
|
||
|
|
if(NULL == pOrigBMPBuf)
|
||
|
|
{
|
||
|
|
printf("not enough memory to malloc!\n");
|
||
|
|
fclose(pFile);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
pRGBBuf = pVideoLogo->pRGBBuffer;
|
||
|
|
|
||
|
|
if(stride > pVideoLogo->stride)
|
||
|
|
{
|
||
|
|
printf("Bitmap's stride(%d) is bigger than canvas's stide(%d). Load bitmap error!\n", stride, pVideoLogo->stride);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(h > pVideoLogo->height)
|
||
|
|
{
|
||
|
|
printf("Bitmap's height(%d) is bigger than canvas's height(%d). Load bitmap error!\n", h, pVideoLogo->height);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(w > pVideoLogo->width)
|
||
|
|
{
|
||
|
|
printf("Bitmap's width(%d) is bigger than canvas's width(%d). Load bitmap error!\n", w, pVideoLogo->width);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
fseek(pFile, bmpFileHeader.bfOffBits, 0);
|
||
|
|
if(fread(pOrigBMPBuf, 1, h*stride, pFile) != (h*stride) )
|
||
|
|
{
|
||
|
|
printf("fread (%d*%d)error!line:%d\n",h,stride,__LINE__);
|
||
|
|
perror("fread:");
|
||
|
|
}
|
||
|
|
|
||
|
|
for(i=0; i<h; i++)
|
||
|
|
{
|
||
|
|
for(j=0; j<w; j++)
|
||
|
|
{
|
||
|
|
if(Bpp == 3)/*.....*/
|
||
|
|
{
|
||
|
|
switch(enFmt)
|
||
|
|
{
|
||
|
|
case OSD_COLOR_FMT_RGB444:
|
||
|
|
case OSD_COLOR_FMT_RGB555:
|
||
|
|
case OSD_COLOR_FMT_RGB565:
|
||
|
|
case OSD_COLOR_FMT_RGB1555:
|
||
|
|
case OSD_COLOR_FMT_RGB4444:
|
||
|
|
/* start color convert */
|
||
|
|
pStart = pOrigBMPBuf + ((h-1)-i)*stride + j*Bpp;
|
||
|
|
pDst = (HI_U16*)(pRGBBuf + i*pVideoLogo->stride + j*2);
|
||
|
|
r = *(pStart);
|
||
|
|
g = *(pStart + 1);
|
||
|
|
b = *(pStart + 2);
|
||
|
|
//printf("Func: %s, line:%d, Bpp: %d, bmp stride: %d, Canvas stride: %d, h:%d, w:%d.\n",
|
||
|
|
// __FUNCTION__, __LINE__, Bpp, stride, pVideoLogo->stride, i, j);
|
||
|
|
*pDst = OSD_MAKECOLOR_U16(r, g, b, s_OSDCompInfo[enFmt]);
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case OSD_COLOR_FMT_RGB888:
|
||
|
|
case OSD_COLOR_FMT_RGB8888:
|
||
|
|
memcpy(pRGBBuf + i*pVideoLogo->stride + j*4, pOrigBMPBuf + ((h-1)-i)*stride+j*Bpp, Bpp);
|
||
|
|
*(pRGBBuf + i*pVideoLogo->stride + j*4 + 3) = 0xff; /*alpha*/
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
printf("file(%s), line(%d), no such format!\n", __FILE__, __LINE__);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if((Bpp == 2)||(Bpp == 4))/*..............*/
|
||
|
|
{
|
||
|
|
memcpy(pRGBBuf + i*pVideoLogo->stride + j*Bpp, pOrigBMPBuf + ((h-1)-i)*stride+j*Bpp, Bpp);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
free(pOrigBMPBuf);
|
||
|
|
pOrigBMPBuf = NULL;
|
||
|
|
|
||
|
|
fclose(pFile);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
char * GetExtName(char * filename)
|
||
|
|
{
|
||
|
|
char *pret = NULL;
|
||
|
|
HI_U32 fnLen;
|
||
|
|
|
||
|
|
if(NULL == filename)
|
||
|
|
{
|
||
|
|
printf("filename can't be null!");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
fnLen = strlen(filename);
|
||
|
|
while(fnLen)
|
||
|
|
{
|
||
|
|
pret = filename + fnLen;
|
||
|
|
if(*pret == '.')
|
||
|
|
{ return (pret + 1); }
|
||
|
|
|
||
|
|
fnLen--;
|
||
|
|
}
|
||
|
|
|
||
|
|
return pret;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int LoadImage(const char *filename, OSD_LOGO_T *pVideoLogo)
|
||
|
|
{
|
||
|
|
char * ext = GetExtName((char *)filename);
|
||
|
|
|
||
|
|
if(strcmp(ext, "bmp") == 0)
|
||
|
|
{
|
||
|
|
if(0 != LoadBMP(filename, pVideoLogo))
|
||
|
|
{
|
||
|
|
printf("OSD_LoadBMP error!\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
printf("not supported image file!\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int LoadImageEx(const char *filename, OSD_LOGO_T *pVideoLogo, OSD_COLOR_FMT_E enFmt)
|
||
|
|
{
|
||
|
|
char * ext = GetExtName((char *)filename);
|
||
|
|
|
||
|
|
if(strcmp(ext, "bmp") == 0)
|
||
|
|
{
|
||
|
|
if(0 != LoadBMPEx(filename, pVideoLogo, enFmt))
|
||
|
|
{
|
||
|
|
printf("OSD_LoadBMP error!\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
printf("not supported image file!\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int LoadCanvasEx(const char *filename, OSD_LOGO_T *pVideoLogo, OSD_COLOR_FMT_E enFmt)
|
||
|
|
{
|
||
|
|
char * ext = GetExtName((char *)filename);
|
||
|
|
|
||
|
|
if(strcmp(ext, "bmp") == 0)
|
||
|
|
{
|
||
|
|
if(0 != LoadBMPCanvas(filename, pVideoLogo, enFmt))
|
||
|
|
{
|
||
|
|
printf("OSD_LoadBMP error!\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
printf("not supported image file!\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
HI_S32 LoadBitMap2Surface(const HI_CHAR *pszFileName, const OSD_SURFACE_S *pstSurface, HI_U8 *pu8Virt)
|
||
|
|
{
|
||
|
|
OSD_LOGO_T stLogo;
|
||
|
|
stLogo.stride = pstSurface->u16Stride;
|
||
|
|
stLogo.pRGBBuffer = pu8Virt;
|
||
|
|
|
||
|
|
return LoadImage(pszFileName, &stLogo);
|
||
|
|
}
|
||
|
|
|
||
|
|
HI_S32 CreateSurfaceByBitMap(const HI_CHAR *pszFileName, OSD_SURFACE_S *pstSurface, HI_U8 *pu8Virt)
|
||
|
|
{
|
||
|
|
OSD_LOGO_T stLogo;
|
||
|
|
stLogo.pRGBBuffer = pu8Virt;
|
||
|
|
if(LoadImageEx(pszFileName, &stLogo, pstSurface->enColorFmt) < 0)
|
||
|
|
{
|
||
|
|
printf("load bmp error!\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
pstSurface->u16Height = stLogo.height;
|
||
|
|
pstSurface->u16Width = stLogo.width;
|
||
|
|
pstSurface->u16Stride = stLogo.stride;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
HI_S32 CreateSurfaceByCanvas(const HI_CHAR *pszFileName, OSD_SURFACE_S *pstSurface, HI_U8 *pu8Virt, HI_U32 u32Width, HI_U32 u32Height, HI_U32 u32Stride)
|
||
|
|
{
|
||
|
|
OSD_LOGO_T stLogo;
|
||
|
|
stLogo.pRGBBuffer = pu8Virt;
|
||
|
|
stLogo.width = u32Width;
|
||
|
|
stLogo.height = u32Height;
|
||
|
|
stLogo.stride = u32Stride;
|
||
|
|
if(LoadCanvasEx(pszFileName, &stLogo, pstSurface->enColorFmt) < 0)
|
||
|
|
{
|
||
|
|
printf("load bmp error!\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
pstSurface->u16Height = u32Height;
|
||
|
|
pstSurface->u16Width = u32Width;
|
||
|
|
pstSurface->u16Stride = u32Stride;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|