DATA_PTR 示例代码
2022-03-03
cpp
以下示例是关于cpp中包含DATA_PTR用法的示例代码，想了解DATA_PTR的具体用法？DATA_PTR怎么用？DATA_PTR使用的例子？那么可以参考以下10个相关示例代码来学习它的具体使用方法。
90 case 0:
91 CompareVoxel[i] = (data_ptr[tmp] == data_ptr[tmp-zinc-yinc-1]);
92 break;
93 case 1:
94 CompareVoxel[i] = (data_ptr[tmp] == data_ptr[tmp-zinc-yinc]);
95 break;
96 case 2:
97 CompareVoxel[i] = (data_ptr[tmp] == data_ptr[tmp-zinc-yinc+1]);
98 break;
99 case 3:
100 CompareVoxel[i] = (data_ptr[tmp] == data_ptr[tmp-zinc-1]);
101 break;
168 case 26:
169 CompareVoxel[i] = (data_ptr[tmp] == data_ptr[tmp+zinc+yinc+1]);
170 break;
181 const GLubyte *colormap = NULL;
182 const GLubyte *data_ptr;
183
186 _name = ibuff.filename ();
187 data_ptr = ibuff.data ();
188 _standardCoordSystem = true;
190 // Read TGA header
191 _header = reinterpret_cast<const TGA_Header *>(data_ptr);
192 data_ptr += sizeof (TGA_Header) + _header->id_lenght;
203 // NOTE: color map is stored in BGR
204 colormap = data_ptr;
205 data_ptr += _header->cm_length * (_header->cm_size >> 3);
216 // Uncompressed 8 bits color index
217 readTGA8bits (data_ptr, colormap);
218 break;
82 */
83 Double_node *data_ptr = new Double_node;
84 data_ptr->doc = new_doc;
85 if (size == 0) {
86 head = data_ptr;
87 tail = data_ptr;
88 data_ptr->prev = NULL;
89 data_ptr->next = NULL;
94 } else if (size > 0) {
95 data_ptr->prev = tail;
96 tail->next = data_ptr;
97 data_ptr->next = NULL;
98 tail = data_ptr;
318 _m_change_font(graph, u->fblock_ptr);
319 u->data_ptr->measure(graph);
320 }
371 {
372 data * data_ptr = i->data_ptr;
373 nana::size sz = data_ptr->size();
386
387 if((false == data_ptr->is_text()) && (sz.height < max_ascent + max_descent))
388 sz.height = max_ascent + max_descent;
543 case fblock::aligns::baseline:
544 return static_cast<int>(px.baseline - (data_ptr->is_text() ? data_ptr->ascent() : data_ptr->size().height));
545 default: break;
574 fblock * fblock_ptr = u->fblock_ptr;
575 data * data_ptr = u->data_ptr;
576
295 _m_change_font(graph, value.fblock_ptr);
296 value.data_ptr->measure(graph);
297 }
348 {
349 data * data_ptr = i->data_ptr;
350 nana::size sz = data_ptr->size();
363
364 if((false == data_ptr->is_text()) && (sz.height < max_ascent + max_descent))
365 sz.height = max_ascent + max_descent;
515 case fblock::aligns::baseline:
516 return static_cast<int>(px.baseline - (data_ptr->is_text() ? data_ptr->ascent() : data_ptr->size().height));
517 default: break;
546 fblock * fblock_ptr = i->fblock_ptr;
547 data * data_ptr = i->data_ptr;
548
229 const char *data = psec->get_data();
230 const char *data_ptr = data, *data_end = data + filesize;
231
232 while(data_ptr < data_end) {
233 char tag = *data_ptr;
234 char length = *(data_ptr + 1);
235 // Length check already done in ELFGetDeviceNameAndSignature().
242 core->SetClockFreq((SystemClockOffset)1000000000 /
243 ((siminfo_long_t *)data_ptr)->value);
244 break;
246 avr_message("Connecting file %s as serial in to pin %s at %d baud.",
247 ((siminfo_serial_t *)data_ptr)->filename,
248 ((siminfo_serial_t *)data_ptr)->pin,
40{
41 Bit8u *data_ptr;
42 bx_phy_address a20addr = A20ADDR(addr);
117#ifdef BX_LITTLE_ENDIAN
118 data_ptr = (Bit8u *) data;
119#else // BX_BIG_ENDIAN
120 data_ptr = (Bit8u *) data + (len - 1);
121#endif
126 while(1) {
127 *(BX_MEM_THIS get_vector(a20addr)) = *data_ptr;
128 if (len == 1) return;
131#ifdef BX_LITTLE_ENDIAN
132 data_ptr++;
133#else // BX_BIG_ENDIAN
1956
1957 dst_data_ptr[width * (desti.y + i) + desti.x + j] = src_data_ptr[p_src.width * (srci.y+i) + srci.x+j];
1958 }
2018
2019 data_ptr[(i<<2)+0]=srgb2lin[ data_ptr[(i<<2)+0] ];
2020 data_ptr[(i<<2)+1]=srgb2lin[ data_ptr[(i<<2)+1] ];
2021 data_ptr[(i<<2)+2]=srgb2lin[ data_ptr[(i<<2)+2] ];
2022 }
2031
2032 data_ptr[(i*3)+0]=srgb2lin[ data_ptr[(i*3)+0] ];
2033 data_ptr[(i*3)+1]=srgb2lin[ data_ptr[(i*3)+1] ];
2034 data_ptr[(i*3)+2]=srgb2lin[ data_ptr[(i*3)+2] ];
2035 }
97
98 void *data_ptr; // Pointer to the data
99}
552 {
553 *((bool *) (opt->data_ptr)) = false;
554 }
556 {
557 *((bool *) (opt->data_ptr)) = true;
558 }
561 case OPT_CONFIRM:
562 *((confirm_t *) opt->data_ptr) = confirm_e2i (value);
563 break;
565 case OPT_INTEGER:
566 *((int *) opt->data_ptr) = atoi(value);
567 break;
42{
43 assert (!DATA_PTR (self_));
44 void *ctx = zmq_init (NUM2INT (app_threads_), NUM2INT (io_threads_),
50
51 DATA_PTR (self_) = (void*) ctx;
52 return self_;
69{
70 assert (!DATA_PTR (self_));
71
76
77 void *s = zmq_socket (DATA_PTR (context_), NUM2INT (type_));
78 if (!s) {
82
83 DATA_PTR (self_) = (void*) s;
84 return self_;
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