typedef gif_dest_struct *gif_dest_ptr;
/* Largest value that will fit in N bits */
-#define MAXCODE(n_bits) ((1 << (n_bits)) - 1)
+#define MAXCODE(n_bits) ((1 << (n_bits)) - 1)
/*
*/
LOCAL(void)
-flush_packet (gif_dest_ptr dinfo)
+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)
+ 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;
}
/* Add a character to current packet; flush to disk if necessary */
-#define CHAR_OUT(dinfo,c) \
- { (dinfo)->packetbuf[++(dinfo)->bytesinpkt] = (char) (c); \
- if ((dinfo)->bytesinpkt >= 255) \
- flush_packet(dinfo); \
- }
+#define CHAR_OUT(dinfo, c) { \
+ (dinfo)->packetbuf[++(dinfo)->bytesinpkt] = (char)(c); \
+ if ((dinfo)->bytesinpkt >= 255) \
+ flush_packet(dinfo); \
+}
/* Routine to convert variable-width codes into a byte stream */
LOCAL(void)
-output (gif_dest_ptr dinfo, int code)
+output(gif_dest_ptr dinfo, int code)
/* Emit a code of n_bits bits */
/* Uses cur_accum and cur_bits to reblock into 8-bit bytes */
{
- dinfo->cur_accum |= ((long) code) << dinfo->cur_bits;
+ dinfo->cur_accum |= ((long)code) << dinfo->cur_bits;
dinfo->cur_bits += dinfo->n_bits;
while (dinfo->cur_bits >= 8) {
*/
LOCAL(void)
-compress_init (gif_dest_ptr dinfo, int i_bits)
+compress_init(gif_dest_ptr dinfo, int i_bits)
/* Initialize pseudo-compressor */
{
/* init all the state variables */
LOCAL(void)
-compress_pixel (gif_dest_ptr dinfo, int c)
+compress_pixel(gif_dest_ptr dinfo, int c)
/* Accept and "compress" one pixel value.
* The given value must be less than n_bits wide.
*/
LOCAL(void)
-compress_term (gif_dest_ptr dinfo)
+compress_term(gif_dest_ptr dinfo)
/* Clean up at end */
{
/* Send an EOF code */
LOCAL(void)
-put_word (gif_dest_ptr dinfo, unsigned int w)
+put_word(gif_dest_ptr dinfo, unsigned int w)
/* Emit a 16-bit word, LSB first */
{
putc(w & 0xFF, dinfo->pub.output_file);
LOCAL(void)
-put_3bytes (gif_dest_ptr dinfo, int val)
+put_3bytes(gif_dest_ptr dinfo, int val)
/* Emit 3 copies of same byte value --- handy subr for colormap construction */
{
putc(val, dinfo->pub.output_file);
LOCAL(void)
-emit_header (gif_dest_ptr dinfo, int num_colors, JSAMPARRAY colormap)
+emit_header(gif_dest_ptr dinfo, int num_colors, JSAMPARRAY colormap)
/* Output the GIF file header, including color map */
/* If colormap==NULL, synthesize a grayscale colormap */
{
putc('7', dinfo->pub.output_file);
putc('a', dinfo->pub.output_file);
/* Write the Logical Screen Descriptor */
- put_word(dinfo, (unsigned int) dinfo->cinfo->output_width);
- put_word(dinfo, (unsigned int) dinfo->cinfo->output_height);
+ put_word(dinfo, (unsigned int)dinfo->cinfo->output_width);
+ put_word(dinfo, (unsigned int)dinfo->cinfo->output_height);
FlagByte = 0x80; /* Yes, there is a global color table */
- FlagByte |= (BitsPerPixel-1) << 4; /* color resolution */
- FlagByte |= (BitsPerPixel-1); /* size of global color table */
+ FlagByte |= (BitsPerPixel - 1) << 4; /* color resolution */
+ FlagByte |= (BitsPerPixel - 1); /* size of global color table */
putc(FlagByte, dinfo->pub.output_file);
putc(0, dinfo->pub.output_file); /* Background color index */
putc(0, dinfo->pub.output_file); /* Reserved (aspect ratio in GIF89) */
/* Write the Global Color Map */
/* If the color map is more than 8 bits precision, */
/* we reduce it to 8 bits by shifting */
- for (i=0; i < ColorMapSize; i++) {
+ for (i = 0; i < ColorMapSize; i++) {
if (i < num_colors) {
if (colormap != NULL) {
if (dinfo->cinfo->out_color_space == JCS_RGB) {
}
} else {
/* Create a grayscale map of num_colors values, range 0..255 */
- put_3bytes(dinfo, (i * 255 + (num_colors-1)/2) / (num_colors-1));
+ put_3bytes(dinfo, (i * 255 + (num_colors - 1) / 2) / (num_colors - 1));
}
} else {
/* fill out the map to a power of 2 */
putc(',', dinfo->pub.output_file); /* separator */
put_word(dinfo, 0); /* left/top offset */
put_word(dinfo, 0);
- put_word(dinfo, (unsigned int) dinfo->cinfo->output_width); /* image size */
- put_word(dinfo, (unsigned int) dinfo->cinfo->output_height);
+ put_word(dinfo, (unsigned int)dinfo->cinfo->output_width); /* image size */
+ put_word(dinfo, (unsigned int)dinfo->cinfo->output_height);
/* flag byte: not interlaced, no local color map */
putc(0x00, dinfo->pub.output_file);
/* Write Initial Code Size byte */
putc(InitCodeSize, dinfo->pub.output_file);
/* Initialize for "compression" of image data */
- compress_init(dinfo, InitCodeSize+1);
+ compress_init(dinfo, InitCodeSize + 1);
}
*/
METHODDEF(void)
-start_output_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
+start_output_gif(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
{
- gif_dest_ptr dest = (gif_dest_ptr) dinfo;
+ gif_dest_ptr dest = (gif_dest_ptr)dinfo;
if (cinfo->quantize_colors)
emit_header(dest, cinfo->actual_number_of_colors, cinfo->colormap);
else
- emit_header(dest, 256, (JSAMPARRAY) NULL);
+ emit_header(dest, 256, (JSAMPARRAY)NULL);
}
*/
METHODDEF(void)
-put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
+put_pixel_rows(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
+ JDIMENSION rows_supplied)
{
- gif_dest_ptr dest = (gif_dest_ptr) dinfo;
+ gif_dest_ptr dest = (gif_dest_ptr)dinfo;
register JSAMPROW ptr;
register JDIMENSION col;
*/
METHODDEF(void)
-finish_output_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
+finish_output_gif(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
{
- gif_dest_ptr dest = (gif_dest_ptr) dinfo;
+ gif_dest_ptr dest = (gif_dest_ptr)dinfo;
/* Flush "compression" mechanism */
compress_term(dest);
*/
METHODDEF(void)
-calc_buffer_dimensions_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
+calc_buffer_dimensions_gif(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
{
}
*/
GLOBAL(djpeg_dest_ptr)
-jinit_write_gif (j_decompress_ptr cinfo)
+jinit_write_gif(j_decompress_ptr cinfo)
{
gif_dest_ptr dest;
/* Create module interface object, fill in method pointers */
dest = (gif_dest_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- sizeof(gif_dest_struct));
+ (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
+ sizeof(gif_dest_struct));
dest->cinfo = cinfo; /* make back link for subroutines */
dest->pub.start_output = start_output_gif;
dest->pub.put_pixel_rows = put_pixel_rows;
/* Create decompressor output buffer. */
dest->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE, cinfo->output_width, (JDIMENSION) 1);
+ ((j_common_ptr)cinfo, JPOOL_IMAGE, cinfo->output_width, (JDIMENSION)1);
dest->pub.buffer_height = 1;
- return (djpeg_dest_ptr) dest;
+ return (djpeg_dest_ptr)dest;
}
#endif /* GIF_SUPPORTED */
projects / platform / upstream / libjpeg-turbo.git / blobdiff