本文整理汇总了C++中draw_circle函数的典型用法代码示例。如果您正苦于以下问题:C++ draw_circle函数的具体用法?C++ draw_circle怎么用?C++ draw_circle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draw_circle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: draw_cylinder
//draw cylinder based on two circles and multiple triangles
void draw_cylinder (float baser, float topr, float h, int slices, float color[3],bool center,glm::mat4 M )
{
glPushMatrix();
glMultMatrixf(&M[0][0]);
if(center) glTranslatef(0,0,h/2);
glTranslatef(0,0,h/2);
draw_circle(topr,color);
glTranslatef(0,0,-h);
draw_circle(baser,color);
glTranslatef(0,0,h/2);
for (int i = 0; i < slices; ++i)
{
//sida = 360/slices
draw_triangle(baser*cos(i*2*PI/slices),baser*sin(i*2*PI/slices),-h/2,
baser*cos((i+1)*2*PI/slices),baser*sin((i+1)*2*PI/slices),-h/2,
topr*cos(i*2*PI/slices),topr*sin(i*2*PI/slices),h/2);
draw_triangle(topr*cos(i*2*PI/slices),topr*sin(i*2*PI/slices),h/2,
topr*cos((i+1)*2*PI/slices),topr*sin((i+1)*2*PI/slices),h/2,
baser*cos((i+1)*2*PI/slices),baser*sin((i+1)*2*PI/slices),-h/2);
}
//draw_triangle(base,-1,-h/2, -1,-1,-h/2, -1,1,-h/2);
glPopMatrix();
}
开发者ID:worm6206,项目名称:lab3,代码行数:29,代码来源:lab3.c
示例2: r
void GWait::draw_this(LCD_MODULE* lcd)
{
uint8_t mask=1;
if(R > 5)
{
POINT_T p;//, r(R-2,R-2);
for(int i=0; i < 8; i++, mask <<=1)
{
p = PolarToDevXY(i*45, R-4, lcd);
p += base;
if(last_state & mask)
{
lcd->color = PIX_BLACK;
fill_circle(p, 2);
lcd->color = PIX_WHITE;
draw_circle(p, 2);
continue;
}
if(new_state & mask)
fill_circle(p, 2);
else
draw_circle(p, 2);
}
}
}
开发者ID:bratkov,项目名称:tmos,代码行数:25,代码来源:gdowait.cpp
示例3: sun_layer_update
static void sun_layer_update(Layer *layer, GContext *ctx) {
if (data_loaded) {
const GRect entire_screen = GRect(0, 0, 180, 180);
const GRect sun_outline_rect = GRect(70, 70, 40, 40);
const GRect sun_rect = GRect(72, 72, 36, 36);
draw_circle(ctx, entire_screen, GColorVividCerulean, 90, 360);
graphics_context_set_stroke_color(ctx, GColorChromeYellow);
graphics_context_set_stroke_width(ctx, 2);
int i;
for (i = 0; i < 360; i += 12) {
const GPoint in = gpoint_from_polar(
sun_outline_rect,
GOvalScaleModeFitCircle,
DEG_TO_TRIGANGLE(i)
);
const GPoint out = gpoint_from_polar(
entire_screen,
GOvalScaleModeFitCircle,
DEG_TO_TRIGANGLE(i)
);
graphics_draw_line(ctx, out, in);
}
draw_circle(ctx, sun_outline_rect, GColorWindsorTan, 20, 360);
draw_circle(ctx, sun_rect, GColorOrange, 18, 360);
}
}
开发者ID:mcdonaldca,项目名称:day-and-night,代码行数:30,代码来源:day-and-night.c
示例4: prev_wband_dir
void energy::Wristband::track(LinearSystem &system)
{
if(!handfinder->wristband_found()) return;
if(!classifier_enable) return;
/// @brief ugly hack to flip the direction of the PCA axis
/// Ugly, but sufficient to get the teaser video recording!
if(classifier_temporal){
static Vector3 prev_wband_dir(0,1,0);
if(handfinder->wristband_direction().dot(prev_wband_dir)<0)
handfinder->wristband_direction_flip();
prev_wband_dir = handfinder->wristband_direction();
}
int hand_id = skeleton->getID("Hand");
Vector3 hand_root = skeleton->getJoint("Hand")->getGlobalTranslation();
Vector3 wband_offpoint = handfinder->wristband_center() + handfinder->wristband_direction()*100;
Vector2 root_scr = camera->world_to_image(hand_root);
Vector2 wband_center_scr = camera->world_to_image(handfinder->wristband_center());
Vector2 wband_offpnt_scr = camera->world_to_image(wband_offpoint);
#ifdef DEBUG_VIZ
image = current_frame.color.clone();
draw_circle(image, root_scr, cv::Scalar(255,0,0));
draw_circle(image, wband_center_scr, cv::Scalar(0,255,0));
draw_line(image, wband_center_scr, wband_offpnt_scr);
cv::imshow("image", image);
#endif
Vector2 n_wrist2 = (wband_center_scr-wband_offpnt_scr).normalized();
n_wrist2 = Vector2(n_wrist2[1], -n_wrist2[0]);
///--- LHS
Matrix_3xN J_sk = skeleton->jacobian(hand_id, hand_root);
Matrix_2x3 J_pr = camera->projection_jacobian(hand_root);
Matrix_1xN J = n_wrist2.transpose() * J_pr * J_sk;
///--- RHS
Scalar rhs = n_wrist2.transpose() * (wband_center_scr - root_scr);
///--- Add to solver
Scalar weight = classifier_weight;
system.lhs += weight * J.transpose() * J;
system.rhs += weight * J.transpose() * rhs;
// std::ofstream("lhs.txt") << transp(J) * J;
// std::ofstream("rhs.txt") << transp(J) * rhs;
///--- Visualize
if(classifier_show_axis)
{
DebugRenderer::instance().clear();
// Debug_renderer::instance().add_points(pts, Vector3(1,0,0));
std::vector<std::pair<Vector3, Vector3>> segs;
segs.push_back( std::make_pair(handfinder->wristband_center(), handfinder->wristband_center() + handfinder->wristband_direction()*100) );
DebugRenderer::instance().add_segments(segs,Vector3(1,0,0));
}
}
开发者ID:OpenGP,项目名称:htrack,代码行数:59,代码来源:Wristband.cpp
示例5: draw
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
cairo_translate (cr, PAD, PAD);
cairo_save (cr);
/* Draw overlapping circle and fallback circle */
cairo_set_source_rgb (cr, 0.0, 1.0, 0.0);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
draw_circle (cr, CIRCLE_SIZE*0.5, CIRCLE_SIZE*1.5);
cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
draw_circle (cr, CIRCLE_SIZE*0.75, CIRCLE_SIZE*1.75);
/* Draw circles */
cairo_set_source_rgb (cr, 0.0, 1.0, 0.0);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_translate (cr, CIRCLE_SIZE*2.5, CIRCLE_SIZE*0.6);
draw_circles (cr);
/* Draw fallback circles */
cairo_set_source_rgb (cr, 1.0, 0.0, 0.0);
cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
cairo_translate (cr, 0, CIRCLE_SIZE*2);
draw_circles (cr);
cairo_restore (cr);
cairo_translate (cr, 0, CIRCLE_SIZE * 3.5);
/* Draw using fallback surface */
surface = surface_create (cr);
cairo_set_source_rgb (cr, 0.0, 1.0, 0.0);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
draw_circle (cr, CIRCLE_SIZE*0.5, CIRCLE_SIZE*1.5);
cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
draw_image_circle (cr, surface, CIRCLE_SIZE/4, CIRCLE_SIZE + CIRCLE_SIZE/4);
/* Draw circles */
cairo_set_source_rgb (cr, 0.0, 1.0, 0.0);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_translate (cr, CIRCLE_SIZE*2.5, CIRCLE_SIZE*0.6);
draw_circles (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
cairo_translate (cr, -CIRCLE_SIZE/2, CIRCLE_SIZE*1.5);
draw_image_circles (cr, surface);
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
开发者ID:kangaroo,项目名称:moon,代码行数:57,代码来源:finer-grained-fallbacks.c
示例6: draw_avatar
void draw_avatar(Avatar* av) {
glPushMatrix();
glTranslatef(av->pos.x, av->pos.y, 0);
glScalef(av->radius, av->radius, 1);
draw_circle(true);
glScalef(av->range / av->radius, av->range / av->radius, 1);
draw_circle(false);
glPopMatrix();
}
开发者ID:codders,项目名称:soylent,代码行数:9,代码来源:main.cpp
示例7: draw_circles
static void
draw_circles (cairo_t *cr)
{
draw_circle (cr, 0, -CIRCLE_SIZE*0.1);
draw_circle (cr, CIRCLE_SIZE*0.4, CIRCLE_SIZE*0.25);
draw_circle (cr, CIRCLE_SIZE*2, 0);
draw_circle (cr, CIRCLE_SIZE*4, 0);
draw_circle (cr, CIRCLE_SIZE*6, 0);
}
开发者ID:kangaroo,项目名称:moon,代码行数:10,代码来源:finer-grained-fallbacks.c
示例8: m_free
// Constructor
RotateManipulator::RotateManipulator (Rotatable& rotatable, std::size_t segments, float radius) :
m_free(rotatable), m_axis(rotatable), m_circle_x((segments << 2) + 1), m_circle_y((segments << 2) + 1), m_circle_z(
(segments << 2) + 1), m_circle_screen(segments << 3), m_circle_sphere(segments << 3)
{
draw_semicircle(segments, radius, m_circle_x.m_vertices.data(), RemapYZX());
draw_semicircle(segments, radius, m_circle_y.m_vertices.data(), RemapZXY());
draw_semicircle(segments, radius, m_circle_z.m_vertices.data(), RemapXYZ());
draw_circle(segments, radius * 1.15f, m_circle_screen.m_vertices.data(), RemapXYZ());
draw_circle(segments, radius, m_circle_sphere.m_vertices.data(), RemapXYZ());
}
开发者ID:AresAndy,项目名称:ufoai,代码行数:12,代码来源:Manipulators.cpp
示例9: draw_line
// Given the coordinates of two endpoints, finds the y = mx + b equation for the
// line and draws dots for every pixel in the relatively less constrained
// dimmension
void draw_line(unsigned char pixelArray[PIXEL_DIMMENSION][PIXEL_DIMMENSION],
double brushRadius, int startY, int startX, int endY, int endX) {
double slope = (double)(endY - startY) / (endX - startX);
double b = calculate_b(startX, startY, slope);
// if abs(slope) is less than 1, do operations on x, more than 1, y
// if start of point is less that end, increment, otherwise decrement
int i;
if (abs(slope) < 1) {
if (startX >= endX) {
for (i = startX; i >= endX; --i) {
double y = calculate_other_coordinate('y', i, slope, b);
if (startY == endY) {
double y = startY;
}
draw_circle(pixelArray, PIXEL_DIMMENSION - i, round(y),
brushRadius);
}
} else {
for (i = startX; i <= endX; ++i) {
double y = calculate_other_coordinate('y', i, slope, b);
if (startY == endY) {
double y = startY;
}
draw_circle(pixelArray, PIXEL_DIMMENSION - i, round(y),
brushRadius);
}
}
} else {
if (startY >= endY) {
for (i = startY; i >= endY; --i) {
double x;
if (startX == endX) {
x = startX;
} else {
x = calculate_other_coordinate('x', i, slope, b);
}
draw_circle(pixelArray, PIXEL_DIMMENSION - round(x), i,
brushRadius);
}
} else {
for (i = startY; i <= endY; ++i) {
double x;
if (startX == endX) {
x = startX;
} else {
x = calculate_other_coordinate('x', i, slope, b);
}
draw_circle(pixelArray, PIXEL_DIMMENSION - round(x), i,
brushRadius);
}
}
}
}
开发者ID:RDerber,项目名称:REU2016,代码行数:57,代码来源:VECTOR_TO_PIXEL.c
示例10: n_circles
void n_circles(cairo_t *cr, int n, double interval){
// Draw n circles
draw_circle(cr, interval*1.5, interval, 0);
int i;
for (i=1; i<n; i++){
if (i%8 == 0){
cairo_translate(cr, (-1)*interval*(8 + ((i/8)%2)) , interval);
draw_circle(cr, interval*1.5, 0, i);
}
else
draw_circle(cr, interval, 0, i);
}
}
开发者ID:atkm,项目名称:cs441,代码行数:13,代码来源:simple_drawing.c
示例11: draw
void draw(const Planet& p) {
glPushMatrix();
glColor4fv(color::planet_color);
glColor4fv(color::WHITE);
image::atm_image->activate();
draw_circle(p.x(), p.y(), p.r());
image::atm_image->deactivate();
glColor4fv(color::WHITE);
image::planet_images[p.type]->activate();
draw_circle(p.x(), p.y(), p.inr());
image::planet_images[p.type]->deactivate();
glPopMatrix();
}
开发者ID:jureslak,项目名称:planetwars,代码行数:13,代码来源:Drawing.hpp
示例12: draw
void draw(){
if(testunit==0){
display_string(2,title);
display_string(3,author);
}else if(testunit==1){
display_string(1,string_line);
draw_line(20+frame*4,20,40+frame*4,40);
draw_line(40+frame*4,20,20+frame*4,40);
draw_line(30+frame*4,20,30+frame*4,40);
draw_line(20+frame*4,30,40+frame*4,30);
}else if(testunit==2){
display_string(1,string_box);
draw_box(20,20,20,20,0);
draw_box(30+frame*4,30,20,20,1);
}else if(testunit==3){
display_string(1,string_circle);
draw_circle(30,30,10,0);
draw_circle(40+frame*4,40,10,1);
}else if(testunit==4){
display_string(1,string_font1);
display_string_58(0,15,test_string_l,0,1);
display_string_58(0,24,test_string_l_2,0,1);
display_string_58(0,33,test_string_s,0,1);
display_string_58(0,42,test_string_s_2,0,1);
}else if(testunit==5){
display_string(1,string_font1);
display_string_58(20+frame*2,20,test_string,90,1);
}else if(testunit==6){
display_string(1,string_font1);
display_string_58(40+frame*2,30,test_string,180,1);
}else if(testunit==7){
display_string(1,string_font1);
display_string_58(20+frame*2,40,test_string,270,1);
}else if(testunit==8){
display_string(2,finish);
}
if(frame==15){
frame=0;
if(testunit==8){
;
}else{
testunit++;
}
}else{
frame++;
}
delayms(100);
}
开发者ID:pikipity,项目名称:QC12864B_8051,代码行数:48,代码来源:glcd_test.c
示例13: draw_fisheye_magnifier
void draw_fisheye_magnifier(ViewInfo * view)
{
if (get_mode(view)==MM_FISHEYE_MAGNIFIER) {
float a;
GLfloat mg_x, mg_y, mg_z;
a = GetOGLDistance((int) view->fmg.constantR);
view->fmg.R = (int) a;
GetOGLPosRef((int) view->mouse.pos.x, (int) view->mouse.pos.y,
&mg_x, &mg_y, &mg_z);
glColor4f((GLfloat) 0.3, (GLfloat) 0.1, (GLfloat) 0.8,
(GLfloat) 1);
if ((view->fmg.x != mg_x) || (view->fmg.y != mg_y)) {
if (view->active_camera == -1) {
/* fisheye_polar(mg_x, mg_y, view->Topview); */
draw_circle(mg_x, mg_y, a);
}
else {
/* fisheye_spherical(mg_x, mg_y, 0.00, view->Topview); */
if (!fisheyesphere)
fisheyesphere = gluNewQuadric();
gluQuadricDrawStyle(fisheyesphere, GLU_LINE);
glColor4f((GLfloat) 0.3, (GLfloat) 0.1, (GLfloat) 0.8, (GLfloat) 0.05);
glTranslatef(mg_x, mg_y, 0);
gluSphere(fisheyesphere, a, 30, 30);
glTranslatef(-mg_x, -mg_y, 0);
}
view->fmg.x = mg_x;
view->fmg.y = mg_y;
}
}
}
开发者ID:AhmedAMohamed,项目名称:graphviz,代码行数:31,代码来源:draw.c
示例14: Graph_DrawBottomRightShadow
static void Graph_DrawBottomRightShadow( LCUI_PaintContext paint, LCUI_Rect *box,
LCUI_BoxShadow *shadow )
{
LCUI_Graph canvas;
LCUI_Rect bound;
LCUI_Pos pos;
bound.x = BoxShadow_GetX( shadow ) + BLUR_WIDTH(shadow);
bound.x += BoxShadow_GetBoxWidth( shadow, box->w );
bound.x += INNER_SHADOW_WIDTH(shadow)*2;
bound.y = BoxShadow_GetY( shadow ) + BLUR_WIDTH(shadow);
bound.y += BoxShadow_GetBoxHeight( shadow, box->h );
bound.y += INNER_SHADOW_WIDTH(shadow)*2;
bound.w = bound.h = BLUR_WIDTH(shadow);
pos.x = 0;
pos.y = 0;
if( LCUIRect_GetOverlayRect( &bound, &paint->rect, &bound ) ) {
bound.x -= paint->rect.x;
bound.y -= paint->rect.y;
pos.x -= paint->rect.x;
pos.y -= paint->rect.y;
Graph_Quote( &canvas, &paint->canvas, &bound );
draw_circle( &canvas, pos, bound.w, shadow->color );
}
}
开发者ID:add0,项目名称:LCUI,代码行数:25,代码来源:boxshadow.c
示例15: on_expose_event
static gboolean
on_expose_event(GtkWidget *widget,
GdkEventExpose *event,
gpointer data)
{
cairo_t *cr;
gint x, y, width, height;
int i;
cr = gdk_cairo_create(widget->window);
gdk_window_get_position(widget->window, &x, &y);
gdk_drawable_get_size(widget->window, &width, &height);
cairo_set_source_rgb (cr, 0, 0, 0);
//cairo_set_source(cr, bgpattern);
cairo_paint (cr);
for (i = 0; i < NUM_CIRCLES; ++i) {
draw_circle(cr, width, height, circles + i);
}
cairo_destroy(cr);
return FALSE;
}
开发者ID:krig,项目名称:krigsavers,代码行数:26,代码来源:circlesaver.c
示例16: draw_2d_circle
void draw_2d_circle (float x, float y, const float r, const rgb_colour col)
{
float
xt,
yt,
rt;
ASSERT (active_2d_environment);
validate_2d_composite_transformation_matrix (active_2d_environment);
xt = (x * active_2d_environment->composite_transformation[0][0]) +
(y * active_2d_environment->composite_transformation[1][0]) +
active_2d_environment->composite_transformation[2][0];
yt = (x * active_2d_environment->composite_transformation[0][1]) +
(y * active_2d_environment->composite_transformation[1][1]) +
active_2d_environment->composite_transformation[2][1];
rt = r * active_2d_environment->window_scaling[0][0];
xt += active_2d_environment->offset_x * active_2d_environment->window_scaling[0][0] * 0.9;
yt -= active_2d_environment->offset_y * active_2d_environment->window_scaling[1][1] * 0.9;
draw_circle (xt, yt, rt, col);
}
开发者ID:Comanche93,项目名称:eech,代码行数:26,代码来源:2dwrap.c
示例17: draw_flat_map
void draw_flat_map(t_map *map, t_img *img)
{
float s;
t_pix i;
t_pix os;
s = FT_MIN(img->width / (float)map->width,
img->height / (float)map->height) * 0.9;
os.x = img->width / 2 - map->width * s / 2;
os.y = img->height / 2 - map->height * s / 2;
i.x = -1;
while (++i.x < map->width)
{
i.y = -1;
while (++i.y < map->height)
{
draw_tex(img, tile_at_index(map, i.x, i.y), (t_pix){i.x + os.x / s, i.y + os.y / s}, s);
}
}
set_color(0xFF0000);
i = (t_pix){map->eye->pos.x * s + os.x, map->eye->pos.y * s + os.y};
draw_circle(img, i, s / 2);
set_color(0xFFFF00);
draw_line(img, i, (t_pix){i.x + map->eye->dir.x * s,
i.y + map->eye->dir.y * s});
set_color(0x00FF00);
draw_line(img, i, (t_pix){i.x + (map->eye->dir.x + map->eye->plane.x) * s,
i.y + (map->eye->dir.y + map->eye->plane.y) * s});
draw_line(img, i, (t_pix){i.x + (map->eye->dir.x - map->eye->plane.x) * s,
i.y + (map->eye->dir.y - map->eye->plane.y) * s});
}
开发者ID:amasson42,项目名称:projects,代码行数:31,代码来源:draw_map.c
示例18: d_draw_line
static void
d_draw_line (GfigObject *obj,
cairo_t *cr)
{
DobjPoints *spnt;
DobjPoints *epnt;
spnt = obj->points;
if (!spnt)
return; /* End-of-line */
epnt = spnt->next;
while (spnt && epnt)
{
draw_sqr (&spnt->pnt, obj == gfig_context->selected_obj, cr);
/* Go around all the points drawing a line from one to the next */
gfig_draw_line (spnt->pnt.x, spnt->pnt.y, epnt->pnt.x, epnt->pnt.y, cr);
spnt = epnt;
epnt = epnt->next;
}
if (obj_creating == obj)
draw_circle (&spnt->pnt, TRUE, cr);
else
draw_sqr (&spnt->pnt, obj == gfig_context->selected_obj, cr);
}
开发者ID:AdamGrzonkowski,项目名称:gimp-1,代码行数:27,代码来源:gfig-line.c
示例19: clearTempPathContext
// ---------------------------------------------------------------------------
//
// -----------
void bToolShape::update(bool global){
if(!global){
clearTempPathContext(false);
}
if((get_active())&&(get_on_drag())){
if(get_mnu_cmd()==kShapeRect){
if(_ctr){
draw_c_rect();
}
else{
draw_rect();
}
}
else{
if(_ctr){
draw_c_circle();
}
else{
draw_circle();
}
}
}
if(!global){
validTempPathContext();
}
}
开发者ID:CarteBlancheConseil,项目名称:MacMap,代码行数:29,代码来源:bToolShape.cpp
示例20: ring_layer_update
static void ring_layer_update(Layer *layer, GContext *ctx) {
if (data_loaded) {
const GRect entire_screen = GRect(0, 0, 180, 180);
draw_circle(ctx, entire_screen, GColorWhite, 20, 360);
graphics_context_set_stroke_color(ctx, GColorOxfordBlue);
graphics_context_set_stroke_width(ctx, 10);
const GRect time_orbit = GRect(10, 10, 160, 160);
int degree_icon = degreeify(hour, minute);
int degree_rise = degreeify(hour_rise, minute_rise);
int degree_set = degreeify(hour_set, minute_set);
GBitmap *icon = degree_icon >= degree_set && degree_icon <= degree_rise ? moon : sun;
const GRect icon_space = grect_centered_from_polar(
time_orbit,
GOvalScaleModeFitCircle,
DEG_TO_TRIGANGLE(degree_icon),
GSize(18, 18)
);
graphics_context_set_compositing_mode(ctx, GCompOpSet);
graphics_draw_bitmap_in_rect(ctx, icon, icon_space);
}
}
开发者ID:mcdonaldca,项目名称:day-and-night,代码行数:26,代码来源:day-and-night.c
注:本文中的draw_circle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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