return vframe;
}
-
VFrame::VFrame(VFrame &frame)
{
reset_parameters(1);
params = new BC_Hash;
allocate_data(0, -1, 0, 0, 0, frame.w, frame.h,
frame.color_model, frame.bytes_per_line);
- memcpy(data, frame.data, bytes_per_line * h);
- copy_stacks(&frame);
+ copy_from(&frame);
}
VFrame::VFrame(int w, int h, int color_model, long bytes_per_line)
pbuffer = 0;
}
+#ifdef LEAKER
+if( memory_type != VFrame::SHARED )
+ printf("==del %p from %p\n", data, __builtin_return_address(0));
+#endif
+
// Delete data
switch(memory_type)
{
if(!this->data)
printf("VFrame::allocate_data %dx%d: memory exhausted.\n", this->w, this->h);
+#ifdef LEAKER
+printf("==new %p from %p sz %d\n", this->data, __builtin_return_address(0), size);
+#endif
//printf("VFrame::allocate_data %d %p data=%p %d %d\n", __LINE__, this, this->data, this->w, this->h);
//if(size > 1000000) printf("VFrame::allocate_data %d\n", size);
int VFrame::write_png(const char *path)
{
+ VFrame *vframe = this;
png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
png_infop info_ptr = png_create_info_struct(png_ptr);
FILE *out_fd = fopen(path, "w");
- if(!out_fd)
- {
+ if(!out_fd) {
printf("VFrame::write_png %d %s %s\n", __LINE__, path, strerror(errno));
return 1;
}
int png_cmodel = PNG_COLOR_TYPE_RGB;
- switch(get_color_model())
- {
- case BC_RGB888:
- case BC_YUV888:
- png_cmodel = PNG_COLOR_TYPE_RGB;
- break;
-
- case BC_RGBA8888:
- case BC_YUVA8888:
+ int bc_cmodel = get_color_model();
+ switch( bc_cmodel ) {
+ case BC_RGB888: break;
+ case BC_RGBA8888: png_cmodel = PNG_COLOR_TYPE_RGB_ALPHA; break;
+ case BC_A8: png_cmodel = PNG_COLOR_TYPE_GRAY; break;
+ default:
+ bc_cmodel = BC_RGB888;
+ if( BC_CModels::has_alpha(bc_cmodel) ) {
+ bc_cmodel = BC_RGBA8888;
png_cmodel = PNG_COLOR_TYPE_RGB_ALPHA;
- break;
-
- case BC_A8:
- png_cmodel = PNG_COLOR_TYPE_GRAY;
- break;
+ }
+ vframe = new VFrame(get_w(), get_h(), bc_cmodel, -1);
+ vframe->transfer_from(this);
+ break;
}
-
png_init_io(png_ptr, out_fd);
png_set_compression_level(png_ptr, 9);
- png_set_IHDR(png_ptr,
- info_ptr,
- get_w(),
- get_h(),
- 8,
- png_cmodel,
- PNG_INTERLACE_NONE,
- PNG_COMPRESSION_TYPE_DEFAULT,
- PNG_FILTER_TYPE_DEFAULT);
+ png_set_IHDR(png_ptr, info_ptr, get_w(), get_h(), 8, png_cmodel,
+ PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png_ptr, info_ptr);
- png_write_image(png_ptr, get_rows());
+ png_write_image(png_ptr, vframe->get_rows());
png_write_end(png_ptr, info_ptr);
png_destroy_write_struct(&png_ptr, &info_ptr);
fclose(out_fd);
+ if( vframe != this ) delete vframe;
return 0;
}
void VFrame::rotate90()
{
// Allocate new frame
- int new_w = h, new_h = w, new_bytes_per_line = bytes_per_pixel * new_w;
- unsigned char *new_data = new unsigned char[calculate_data_size(new_w, new_h, new_bytes_per_line, color_model)];
- unsigned char **new_rows = new unsigned char*[new_h];
- for(int i = 0; i < new_h; i++)
- new_rows[i] = &new_data[new_bytes_per_line * i];
-
+ int new_w = h, new_h = w;
+ VFrame new_frame(new_w, new_h, color_model);
+ unsigned char **new_rows = new_frame.get_rows();
// Copy data
for(int in_y = 0, out_x = new_w - 1; in_y < h; in_y++, out_x--)
{
}
// Swap frames
- clear_objects(0);
+// swap memory
+ unsigned char *new_data = new_frame.data;
+ new_frame.data = data;
data = new_data;
+// swap rows
+ new_rows = new_frame.rows;
+ new_frame.rows = rows;
rows = new_rows;
- bytes_per_line = new_bytes_per_line;
- w = new_w;
- h = new_h;
+// swap shmid
+ int new_shmid = new_frame.shmid;
+ new_frame.shmid = shmid;
+ shmid = new_shmid;
+// swap bytes_per_line
+ int new_bpl = new_frame.bytes_per_line;
+ new_frame.bytes_per_line = bytes_per_line;
+ bytes_per_line = new_bpl;
+ new_frame.clear_objects(0);
+
+ w = new_frame.w;
+ h = new_frame.h;
}
void VFrame::rotate270()
{
// Allocate new frame
- int new_w = h, new_h = w, new_bytes_per_line = bytes_per_pixel * new_w;
- unsigned char *new_data = new unsigned char[calculate_data_size(new_w, new_h, new_bytes_per_line, color_model)];
- unsigned char **new_rows = new unsigned char*[new_h];
- for(int i = 0; i < new_h; i++)
- new_rows[i] = &new_data[new_bytes_per_line * i];
-
+ int new_w = h, new_h = w;
+ VFrame new_frame(new_w, new_h, color_model);
+ unsigned char **new_rows = new_frame.get_rows();
// Copy data
for(int in_y = 0, out_x = 0; in_y < h; in_y++, out_x++)
{
}
// Swap frames
- clear_objects(0);
+// swap memory
+ unsigned char *new_data = new_frame.data;
+ new_frame.data = data;
data = new_data;
+// swap rows
+ new_rows = new_frame.rows;
+ new_frame.rows = rows;
rows = new_rows;
- bytes_per_line = new_bytes_per_line;
- w = new_w;
- h = new_h;
+// swap shmid
+ int new_shmid = new_frame.shmid;
+ new_frame.shmid = shmid;
+ shmid = new_shmid;
+// swap bytes_per_line
+ int new_bpl = new_frame.bytes_per_line;
+ new_frame.bytes_per_line = bytes_per_line;
+ bytes_per_line = new_bpl;
+ new_frame.clear_objects(0);
+
+ w = new_frame.w;
+ h = new_frame.h;
}
void VFrame::flip_vert()
int VFrame::copy_from(VFrame *frame)
{
+ if(this->w != frame->get_w() ||
+ this->h != frame->get_h())
+ {
+ printf("VFrame::copy_from %d sizes differ src %dx%d != dst %dx%d\n",
+ __LINE__,
+ frame->get_w(),
+ frame->get_h(),
+ get_w(),
+ get_h());
+ return 1;
+ }
+
int w = MIN(this->w, frame->get_w());
int h = MIN(this->h, frame->get_h());
timestamp = frame->timestamp;
break;
}
+ params->copy_from(frame->params);
return 0;
}
that->get_bytes_per_line(),
bg_color);
#endif
+ params->copy_from(that->params);
return 0;
}
}
}
+
void VFrame::draw_rect(int x1, int y1, int x2, int y2)
{
draw_line(x1, y1, x2, y1);
draw_line(x1, y2 - 1, x1, y1 + 1);
}
+
+void VFrame::draw_oval(int x1, int y1, int x2, int y2)
+{
+ int w = x2 - x1;
+ int h = y2 - y1;
+ int center_x = (x2 + x1) / 2;
+ int center_y = (y2 + y1) / 2;
+ int x_table[h / 2];
+
+//printf("VFrame::draw_oval %d %d %d %d %d\n", __LINE__, x1, y1, x2, y2);
+
+ for(int i = 0; i < h / 2; i++) {
+// A^2 = -(B^2) + C^2
+ x_table[i] = (int)(sqrt(-SQR(h / 2 - i) + SQR(h / 2)) * w / h);
+//printf("VFrame::draw_oval %d i=%d x=%d\n", __LINE__, i, x_table[i]);
+ }
+
+ for(int i = 0; i < h / 2 - 1; i++) {
+ int x3 = x_table[i];
+ int x4 = x_table[i + 1];
+
+ if(x4 > x3 + 1) {
+ for(int j = x3; j < x4; j++) {
+ draw_pixel(center_x + j, y1 + i);
+ draw_pixel(center_x - j, y1 + i);
+ draw_pixel(center_x + j, y2 - i - 1);
+ draw_pixel(center_x - j, y2 - i - 1);
+ }
+ }
+ else {
+ draw_pixel(center_x + x3, y1 + i);
+ draw_pixel(center_x - x3, y1 + i);
+ draw_pixel(center_x + x3, y2 - i - 1);
+ draw_pixel(center_x - x3, y2 - i - 1);
+ }
+ }
+
+ draw_pixel(center_x, y1);
+ draw_pixel(center_x, y2 - 1);
+ draw_pixel(x1, center_y);
+ draw_pixel(x2 - 1, center_y);
+ draw_pixel(x1, center_y - 1);
+ draw_pixel(x2 - 1, center_y - 1);
+}
+
+
void VFrame::draw_arrow(int x1, int y1, int x2, int y2, int sz)
{
double angle = atan((float)(y2 - y1) / (float)(x2 - x1));
projects / goodguy / history.git / blobdiff