Cross Reference: /external/jpeg/wrgif.c

Lines Matching defs:dinfo
81 flush_packet (gif_dest_ptr dinfo)
84   if (dinfo->bytesinpkt > 0) {	/* never write zero-length packet */
85     dinfo->packetbuf[0] = (char) dinfo->bytesinpkt++;
86     if (JFWRITE(dinfo->pub.output_file, dinfo->packetbuf, dinfo->bytesinpkt)
87 	!= (size_t) dinfo->bytesinpkt)
88       ERREXIT(dinfo->cinfo, JERR_FILE_WRITE);
89     dinfo->bytesinpkt = 0;
95 #define CHAR_OUT(dinfo,c)  \
96 	{ (dinfo)->packetbuf[++(dinfo)->bytesinpkt] = (char) (c);  \
97 	    if ((dinfo)->bytesinpkt >= 255)  \
98 	      flush_packet(dinfo);  \
105 output (gif_dest_ptr dinfo, int code)
109   dinfo->cur_accum |= ((INT32) code) << dinfo->cur_bits;
110   dinfo->cur_bits += dinfo->n_bits;
112   while (dinfo->cur_bits >= 8) {
113     CHAR_OUT(dinfo, dinfo->cur_accum & 0xFF);
114     dinfo->cur_accum >>= 8;
115     dinfo->cur_bits -= 8;
143 compress_init (gif_dest_ptr dinfo, int i_bits)
147   dinfo->n_bits = i_bits;
148   dinfo->maxcode = MAXCODE(dinfo->n_bits);
149   dinfo->ClearCode = (1 << (i_bits - 1));
150   dinfo->EOFCode = dinfo->ClearCode + 1;
151   dinfo->code_counter = dinfo->ClearCode + 2;
153   dinfo->bytesinpkt = 0;
154   dinfo->cur_accum = 0;
155   dinfo->cur_bits = 0;
157   output(dinfo, dinfo->ClearCode);
162 compress_pixel (gif_dest_ptr dinfo, int c)
168   output(dinfo, c);
172   if (dinfo->code_counter < dinfo->maxcode) {
173     dinfo->code_counter++;
175     output(dinfo, dinfo->ClearCode);
176     dinfo->code_counter = dinfo->ClearCode + 2;	/* reset the counter */
182 compress_term (gif_dest_ptr dinfo)
186   output(dinfo, dinfo->EOFCode);
188   if (dinfo->cur_bits > 0) {
189     CHAR_OUT(dinfo, dinfo->cur_accum & 0xFF);
192   flush_packet(dinfo);
200 put_word (gif_dest_ptr dinfo, unsigned int w)
203   putc(w & 0xFF, dinfo->pub.output_file);
204   putc((w >> 8) & 0xFF, dinfo->pub.output_file);
209 put_3bytes (gif_dest_ptr dinfo, int val)
212   putc(val, dinfo->pub.output_file);
213   putc(val, dinfo->pub.output_file);
214   putc(val, dinfo->pub.output_file);
219 emit_header (gif_dest_ptr dinfo, int num_colors, JSAMPARRAY colormap)
224   int cshift = dinfo->cinfo->data_precision - 8;
228     ERREXIT1(dinfo->cinfo, JERR_TOO_MANY_COLORS, num_colors);
242   putc('G', dinfo->pub.output_file);
243   putc('I', dinfo->pub.output_file);
244   putc('F', dinfo->pub.output_file);
245   putc('8', dinfo->pub.output_file);
246   putc('7', dinfo->pub.output_file);
247   putc('a', dinfo->pub.output_file);
249   put_word(dinfo, (unsigned int) dinfo->cinfo->output_width);
250   put_word(dinfo, (unsigned int) dinfo->cinfo->output_height);
254   putc(FlagByte, dinfo->pub.output_file);
255   putc(0, dinfo->pub.output_file); /* Background color index */
256   putc(0, dinfo->pub.output_file); /* Reserved (aspect ratio in GIF89) */
263 	if (dinfo->cinfo->out_color_space == JCS_RGB) {
265 	  putc(GETJSAMPLE(colormap[0][i]) >> cshift, dinfo->pub.output_file);
266 	  putc(GETJSAMPLE(colormap[1][i]) >> cshift, dinfo->pub.output_file);
267 	  putc(GETJSAMPLE(colormap[2][i]) >> cshift, dinfo->pub.output_file);
270 	  put_3bytes(dinfo, GETJSAMPLE(colormap[0][i]) >> cshift);
274 	put_3bytes(dinfo, (i * 255 + (num_colors-1)/2) / (num_colors-1));
278       put_3bytes(dinfo, 0);
282   putc(',', dinfo->pub.output_file); /* separator */
283   put_word(dinfo, 0);		/* left/top offset */
284   put_word(dinfo, 0);
285   put_word(dinfo, (unsigned int) dinfo->cinfo->output_width); /* image size */
286   put_word(dinfo, (unsigned int) dinfo->cinfo->output_height);
288   putc(0x00, dinfo->pub.output_file);
290   putc(InitCodeSize, dinfo->pub.output_file);
293   compress_init(dinfo, InitCodeSize+1);
302 start_output_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
304   gif_dest_ptr dest = (gif_dest_ptr) dinfo;
319 put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
322   gif_dest_ptr dest = (gif_dest_ptr) dinfo;
338 finish_output_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
340   gif_dest_ptr dest = (gif_dest_ptr) dinfo;