本文整理汇总了C++中JFWRITE函数的典型用法代码示例。如果您正苦于以下问题：C++ JFWRITE函数的具体用法？C++ JFWRITE怎么用？C++ JFWRITE使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了JFWRITE函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: write_os2_header
write_os2_header (j_decompress_ptr cinfo, bmp_dest_ptr dest)
/* Write an OS2-style BMP file header, including colormap if needed */
{
char bmpfileheader[14];
char bmpcoreheader[12];
INT32 headersize, bfSize;
int bits_per_pixel, cmap_entries;
/* Compute colormap size and total file size */
if (cinfo->out_color_space == JCS_RGB) {
if (cinfo->quantize_colors) {
/* Colormapped RGB */
bits_per_pixel = 8;
cmap_entries = 256;
} else {
/* Unquantized, full color RGB */
bits_per_pixel = 24;
cmap_entries = 0;
}
} else {
/* Grayscale output. We need to fake a 256-entry colormap. */
bits_per_pixel = 8;
cmap_entries = 256;
}
/* File size */
headersize = 14 + 12 + cmap_entries * 3; /* Header and colormap */
bfSize = headersize + (INT32) dest->row_width * (INT32) cinfo->output_height;
/* Set unused fields of header to 0 */
MEMZERO(bmpfileheader, SIZEOF(bmpfileheader));
MEMZERO(bmpcoreheader, SIZEOF(bmpcoreheader));
/* Fill the file header */
bmpfileheader[0] = 0x42; /* first 2 bytes are ASCII 'B', 'M' */
bmpfileheader[1] = 0x4D;
PUT_4B(bmpfileheader, 2, bfSize); /* bfSize */
/* we leave bfReserved1 & bfReserved2 = 0 */
PUT_4B(bmpfileheader, 10, headersize); /* bfOffBits */
/* Fill the info header (Microsoft calls this a BITMAPCOREHEADER) */
PUT_2B(bmpcoreheader, 0, 12); /* bcSize */
PUT_2B(bmpcoreheader, 4, cinfo->output_width); /* bcWidth */
PUT_2B(bmpcoreheader, 6, cinfo->output_height); /* bcHeight */
PUT_2B(bmpcoreheader, 8, 1); /* bcPlanes - must be 1 */
PUT_2B(bmpcoreheader, 10, bits_per_pixel); /* bcBitCount */
if (JFWRITE(dest->pub.output_file, bmpfileheader, 14) != (size_t) 14)
ERREXIT(cinfo, JERR_FILE_WRITE);
if (JFWRITE(dest->pub.output_file, bmpcoreheader, 12) != (size_t) 12)
ERREXIT(cinfo, JERR_FILE_WRITE);
if (cmap_entries > 0)
write_colormap(cinfo, dest, cmap_entries, 3);
}
开发者ID:jguerrero，项目名称:libomxil-bellagio，代码行数:56，代码来源:wrbmp.c
示例2: write_os2_header
write_os2_header (j_decompress_ptr cinfo, bmp_dest_ptr dest)
{
char bmpfileheader[14];
char bmpcoreheader[12];
INT32 headersize, bfSize;
int bits_per_pixel, cmap_entries;
if (cinfo->out_color_space == JCS_RGB) {
if (cinfo->quantize_colors) {
bits_per_pixel = 8;
cmap_entries = 256;
} else {
bits_per_pixel = 24;
cmap_entries = 0;
}
} else {
bits_per_pixel = 8;
cmap_entries = 256;
}
headersize = 14 + 12 + cmap_entries * 3;
bfSize = headersize + (INT32) dest->row_width * (INT32) cinfo->output_height;
MEMZERO(bmpfileheader, SIZEOF(bmpfileheader));
MEMZERO(bmpcoreheader, SIZEOF(bmpcoreheader));
bmpfileheader[0] = 0x42;
bmpfileheader[1] = 0x4D;
PUT_4B(bmpfileheader, 2, bfSize);
PUT_4B(bmpfileheader, 10, headersize);
PUT_2B(bmpcoreheader, 0, 12);
PUT_2B(bmpcoreheader, 4, cinfo->output_width);
PUT_2B(bmpcoreheader, 6, cinfo->output_height);
PUT_2B(bmpcoreheader, 8, 1);
PUT_2B(bmpcoreheader, 10, bits_per_pixel);
if (JFWRITE(dest->pub.output_file, bmpfileheader, 14) != (size_t) 14)
ERREXIT(cinfo, JERR_FILE_WRITE);
if (JFWRITE(dest->pub.output_file, bmpcoreheader, 12) != (size_t) 12)
ERREXIT(cinfo, JERR_FILE_WRITE);
if (cmap_entries > 0)
write_colormap(cinfo, dest, cmap_entries, 3);
}
开发者ID:qtekfun，项目名称:htcDesire820Kernel，代码行数:53，代码来源:wrbmp.c
示例3: put_pixel_rows
put_pixel_rows(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
开发者ID:GerbilSoft，项目名称:rom-properties，代码行数:7，代码来源:wrppm.c
示例4: put_demapped_rgb
METHODDEF void
put_demapped_rgb (decompress_info_ptr cinfo, int num_rows,
JSAMPIMAGE pixel_data)
{
FILE * outfile = cinfo->output_file;
register JSAMPROW ptr;
register char * row_bufferptr;
register JSAMPROW color_map0 = cinfo->colormap[0];
register JSAMPROW color_map1 = cinfo->colormap[1];
register JSAMPROW color_map2 = cinfo->colormap[2];
register int pixval;
register long col;
long width = cinfo->image_width;
int row;
for (row = 0; row < num_rows; row++) {
ptr = pixel_data[0][row];
row_bufferptr = row_buffer;
for (col = width; col > 0; col--) {
pixval = GETJSAMPLE(*ptr++);
*row_bufferptr++ = (char) GETJSAMPLE(color_map0[pixval]);
*row_bufferptr++ = (char) GETJSAMPLE(color_map1[pixval]);
*row_bufferptr++ = (char) GETJSAMPLE(color_map2[pixval]);
}
(void) JFWRITE(outfile, row_buffer, 3*width);
}
}
开发者ID:OS2World，项目名称:APP-GRAPHICS-X11-XLOADIMAGE，代码行数:27，代码来源:jwrppm.c
示例5: write_backing_store
METHODDEF void
write_backing_store(j_common_ptr cinfo, backing_store_ptr info, void FAR * buffer_address, long file_offset, long byte_count)
{
if(fseek(info->temp_file, file_offset, SEEK_SET))
ERREXIT(cinfo, JERR_TFILE_SEEK);
if(JFWRITE(info->temp_file, buffer_address, byte_count) != (size_t) byte_count)
ERREXIT(cinfo, JERR_TFILE_WRITE);
}
开发者ID:justinvh，项目名称:Rogue-Reborn，代码行数:8，代码来源:jmemname.c
示例6: flush_packet
flush_packet (gif_dest_ptr dinfo)
{
if (dinfo->bytesinpkt > 0) {
dinfo->packetbuf[0] = (char) dinfo->bytesinpkt++;
if (JFWRITE(dinfo->pub.output_file, dinfo->packetbuf, dinfo->bytesinpkt)
!= (size_t) dinfo->bytesinpkt)
ERREXIT(dinfo->cinfo, JERR_FILE_WRITE);
dinfo->bytesinpkt = 0;
}
}
开发者ID:qtekfun，项目名称:htcDesire820Kernel，代码行数:10，代码来源:wrgif.c
示例7: write_backing_store
METHODDEF void
write_backing_store (backing_store_ptr info, void FAR * buffer_address,
long file_offset, long byte_count)
{
if (fseek(info->temp_file, file_offset, SEEK_SET))
ERREXIT(methods, "fseek failed on temporary file");
if (JFWRITE(info->temp_file, buffer_address, byte_count)
!= (size_t) byte_count)
ERREXIT(methods, "fwrite failed on temporary file --- out of disk space?");
}
开发者ID:AnimatorPro，项目名称:Animator-Pro，代码行数:10，代码来源:JMEMNAME.C
示例8: empty_output_buffer
empty_output_buffer(j_compress_ptr cinfo)
{
my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
if (JFWRITE(dest->outfile, dest->buffer, OUTPUT_BUF_SIZE) !=
(size_t) OUTPUT_BUF_SIZE)
ERREXIT(cinfo, JERR_FILE_WRITE);
dest->pub.next_output_byte = dest->buffer;
dest->pub.free_in_buffer = OUTPUT_BUF_SIZE;
return TRUE;
}
开发者ID:Codyle，项目名称:pcsx2，代码行数:10，代码来源:jdatadst.c
示例9: flush_packet
flush_packet (gif_dest_ptr dinfo)
/* flush any accumulated data */
{
if (dinfo->bytesinpkt > 0) { /* never write zero-length packet */
dinfo->packetbuf[0] = (char) dinfo->bytesinpkt++;
if (JFWRITE(dinfo->pub.output_file, dinfo->packetbuf, dinfo->bytesinpkt)
!= (size_t) dinfo->bytesinpkt)
ERREXIT(dinfo->cinfo, JERR_FILE_WRITE);
dinfo->bytesinpkt = 0;
}
}
开发者ID:DankRank，项目名称:rom-properties，代码行数:11，代码来源:wrgif.c
示例10: term_destination
term_destination (j_compress_ptr cinfo)
{
my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer;
/* Write any data remaining in the buffer */
if (datacount > 0) {
if (JFWRITE(dest->outfile, dest->buffer, datacount) != datacount)
ERREXIT(cinfo, JERR_FILE_WRITE);
}
f_close(dest->outfile);
}
开发者ID:ADTL，项目名称:ARMWork，代码行数:12，代码来源:jdatadst.c
示例11: write_backing_store
write_backing_store (j_common_ptr cinfo, backing_store_ptr info,
void FAR * buffer_address,
long file_offset, long byte_count)
{
if (fseek(info->temp_file, file_offset, SEEK_SET))
ERREXIT(cinfo, JERR_TFILE_SEEK);
size_t wrote = JFWRITE(info->temp_file, buffer_address, byte_count);
if(wrote != (size_t)byte_count) {
LOGD("write back store: offset(%d), buf(%p), fp(%p), wrote(%d) != byte_count(%d)", file_offset, buffer_address, info->temp_file, wrote, byte_count);
ERREXIT(cinfo, JERR_TFILE_WRITE);
}
}
开发者ID:afpro，项目名称:super-cache，代码行数:13，代码来源:jmem-android-sc.c
示例12: copy_pixel_rows
copy_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr) dinfo;
register char *bufferptr;
register JSAMPROW ptr;
register JDIMENSION col;
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
for (col = dest->samples_per_row; col > 0; col--) {
PUTPPMSAMPLE(bufferptr, GETJSAMPLE(*ptr++));
}
(void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
开发者ID:Acidburn0zzz，项目名称:libjpeg-turbo，代码行数:15，代码来源:wrppm.c
示例13: term_destination
term_destination (j_compress_ptr cinfo)
{
my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer;
/* Write any data remaining in the buffer */
if (datacount > 0) {
if (JFWRITE(dest->outfile, dest->buffer, datacount) != datacount)
ERREXIT(cinfo, JERR_FILE_WRITE);
}
JFFLUSH(dest->outfile);
/* Make sure we wrote the output file OK */
if (JFERROR(dest->outfile))
ERREXIT(cinfo, JERR_FILE_WRITE);
}
开发者ID:sanikoyes，项目名称:lua-tools，代码行数:15，代码来源:jdatadst.c
示例14: put_demapped_gray
put_demapped_gray(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
register char *bufferptr;
register JSAMPROW ptr;
register JSAMPROW color_map = cinfo->colormap[0];
register JDIMENSION col;
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
for (col = cinfo->output_width; col > 0; col--) {
PUTPPMSAMPLE(bufferptr, GETJSAMPLE(color_map[GETJSAMPLE(*ptr++)]));
}
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
开发者ID:GerbilSoft，项目名称:rom-properties，代码行数:16，代码来源:wrppm.c
示例15: term_destination
term_destination (j_compress_ptr cinfo)
{
#ifndef USE_SYMBIAN
my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
int datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer;
/* Write any data remaining in the buffer */
if (datacount > 0) {
if (JFWRITE(dest->outfile, dest->buffer, datacount) != datacount)
ERREXIT(cinfo, JERR_FILE_WRITE);
}
fflush(dest->outfile);
/* Make sure we wrote the output file OK */
if (ferror(dest->outfile))
ERREXIT(cinfo, JERR_FILE_WRITE);
#endif
}
开发者ID:xuchuansheng，项目名称:GenXSource，代码行数:17，代码来源:jdatadst.c
示例16: put_cmyk
put_cmyk(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
register char *bufferptr;
register JSAMPROW ptr;
register JDIMENSION col;
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
for (col = cinfo->output_width; col > 0; col--) {
JSAMPLE r, g, b, c = *ptr++, m = *ptr++, y = *ptr++, k = *ptr++;
cmyk_to_rgb(c, m, y, k, &r, &g, &b);
PUTPPMSAMPLE(bufferptr, r);
PUTPPMSAMPLE(bufferptr, g);
PUTPPMSAMPLE(bufferptr, b);
}
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
开发者ID:GerbilSoft，项目名称:rom-properties，代码行数:19，代码来源:wrppm.c
示例17: put_gray_rows
METHODDEF void
put_gray_rows (decompress_info_ptr cinfo, int num_rows,
JSAMPIMAGE pixel_data)
{
FILE * outfile = cinfo->output_file;
register JSAMPROW ptr0;
register char * row_bufferptr;
register long col;
long width = cinfo->image_width;
int row;
for (row = 0; row < num_rows; row++) {
ptr0 = pixel_data[0][row];
row_bufferptr = row_buffer;
for (col = width; col > 0; col--) {
*row_bufferptr++ = (char) GETJSAMPLE(*ptr0++);
}
(void) JFWRITE(outfile, row_buffer, width);
}
}
开发者ID:OS2World，项目名称:APP-GRAPHICS-X11-XLOADIMAGE，代码行数:20，代码来源:jwrppm.c
示例18: put_rgb
put_rgb(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
register char *bufferptr;
register JSAMPROW ptr;
register JDIMENSION col;
register int rindex = rgb_red[cinfo->out_color_space];
register int gindex = rgb_green[cinfo->out_color_space];
register int bindex = rgb_blue[cinfo->out_color_space];
register int ps = rgb_pixelsize[cinfo->out_color_space];
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
for (col = cinfo->output_width; col > 0; col--) {
PUTPPMSAMPLE(bufferptr, ptr[rindex]);
PUTPPMSAMPLE(bufferptr, ptr[gindex]);
PUTPPMSAMPLE(bufferptr, ptr[bindex]);
ptr += ps;
}
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
开发者ID:GerbilSoft，项目名称:rom-properties，代码行数:21，代码来源:wrppm.c
示例19: copy_pixel_rows
copy_pixel_rows(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
JDIMENSION rows_supplied)
{
ppm_dest_ptr dest = (ppm_dest_ptr)dinfo;
register char *bufferptr;
register JSAMPROW ptr;
#if BITS_IN_JSAMPLE != 8 || (!defined(HAVE_UNSIGNED_CHAR) && !defined(__CHAR_UNSIGNED__))
register JDIMENSION col;
#endif
ptr = dest->pub.buffer[0];
bufferptr = dest->iobuffer;
#if BITS_IN_JSAMPLE == 8 && (defined(HAVE_UNSIGNED_CHAR) || defined(__CHAR_UNSIGNED__))
MEMCOPY(bufferptr, ptr, dest->samples_per_row);
#else
for (col = dest->samples_per_row; col > 0; col--) {
PUTPPMSAMPLE(bufferptr, GETJSAMPLE(*ptr++));
}
#endif
(void)JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
}
开发者ID:GerbilSoft，项目名称:rom-properties，代码行数:21，代码来源:wrppm.c
示例20: write_bmp_header
write_bmp_header (j_decompress_ptr cinfo, bmp_dest_ptr dest)
/* Write a Windows-style BMP file header, including colormap if needed */
{
char bmpfileheader[14];
char bmpinfoheader[40];
#define PUT_2B(array,offset,value) \
(array[offset] = (char) ((value) & 0xFF), \
array[offset+1] = (char) (((value) >> 8) & 0xFF))
#define PUT_4B(array,offset,value) \
(array[offset] = (char) ((value) & 0xFF), \
array[offset+1] = (char) (((value) >> 8) & 0xFF), \
array[offset+2] = (char) (((value) >> 16) & 0xFF), \
array[offset+3] = (char) (((value) >> 24) & 0xFF))
INT32 headersize, bfSize;
int bits_per_pixel, cmap_entries;
/* Compute colormap size and total file size */
if (cinfo->out_color_space == JCS_RGB) {
if (cinfo->quantize_colors) {
/* Colormapped RGB */
bits_per_pixel = 8;
cmap_entries = 256;
} else {
/* Unquantized, full color RGB */
bits_per_pixel = 24;
cmap_entries = 0;
}
} else {
/* Grayscale output. We need to fake a 256-entry colormap. */
bits_per_pixel = 8;
cmap_entries = 256;
}
/* File size */
headersize = 14 + 40 + cmap_entries * 4; /* Header and colormap */
bfSize = headersize + (INT32) dest->row_width * (INT32) cinfo->output_height;
/* Set unused fields of header to 0 */
MEMZERO(bmpfileheader, SIZEOF(bmpfileheader));
MEMZERO(bmpinfoheader, SIZEOF(bmpinfoheader));
/* Fill the file header */
bmpfileheader[0] = 0x42; /* first 2 bytes are ASCII 'B', 'M' */
bmpfileheader[1] = 0x4D;
PUT_4B(bmpfileheader, 2, bfSize); /* bfSize */
/* we leave bfReserved1 & bfReserved2 = 0 */
PUT_4B(bmpfileheader, 10, headersize); /* bfOffBits */
/* Fill the info header (Microsoft calls this a BITMAPINFOHEADER) */
PUT_2B(bmpinfoheader, 0, 40); /* biSize */
PUT_4B(bmpinfoheader, 4, cinfo->output_width); /* biWidth */
PUT_4B(bmpinfoheader, 8, cinfo->output_height); /* biHeight */
PUT_2B(bmpinfoheader, 12, 1); /* biPlanes - must be 1 */
PUT_2B(bmpinfoheader, 14, bits_per_pixel); /* biBitCount */
/* we leave biCompression = 0, for none */
/* we leave biSizeImage = 0; this is correct for uncompressed data */
if (cinfo->density_unit == 2) { /* if have density in dots/cm, then */
PUT_4B(bmpinfoheader, 24, (INT32) (cinfo->X_density*100)); /* XPels/M */
PUT_4B(bmpinfoheader, 28, (INT32) (cinfo->Y_density*100)); /* XPels/M */
}
PUT_2B(bmpinfoheader, 32, cmap_entries); /* biClrUsed */
/* we leave biClrImportant = 0 */
if (JFWRITE(dest->pub.output_file, bmpfileheader, 14) != (size_t) 14)
ERREXIT(cinfo, JERR_FILE_WRITE);
if (JFWRITE(dest->pub.output_file, bmpinfoheader, 40) != (size_t) 40)
ERREXIT(cinfo, JERR_FILE_WRITE);
if (cmap_entries > 0)
write_colormap(cinfo, dest, cmap_entries, 4);
}
开发者ID:Fornax，项目名称:jpeg-8d，代码行数:70，代码来源:wrbmp.c
注：本文中的JFWRITE函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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