C++ (Cpp) glutil_draw_filled_arc примеры использования

Пример #1

Файл: screendump.c Проект: caomw/blender-ui

/* Helper callback for drawing the cursor itself */
static void screencast_draw_cursor(bContext *UNUSED(C), int x, int y, void *UNUSED(p_ptr))
{

    glPushMatrix();

    glTranslatef((float)x, (float)y, 0.0f);


    glEnable(GL_LINE_SMOOTH);
    glEnable(GL_BLEND);

    glColor4ub(0, 0, 0, 32);
    glutil_draw_filled_arc(0.0, M_PI * 2.0, 20, 40);

    glColor4ub(255, 255, 255, 128);
    glutil_draw_lined_arc(0.0, M_PI * 2.0, 20, 40);

    glDisable(GL_BLEND);
    glDisable(GL_LINE_SMOOTH);

    glPopMatrix();
}

Пример #2

Файл: wm_gesture.c Проект: danielmarg/blender-main

static void wm_gesture_draw_circle(wmGesture *gt)
{
	rcti *rect = (rcti *)gt->customdata;

	glTranslatef((float)rect->xmin, (float)rect->ymin, 0.0f);

	glEnable(GL_BLEND);
	glColor4f(1.0, 1.0, 1.0, 0.05);
	glutil_draw_filled_arc(0.0, M_PI * 2.0, rect->xmax, 40);
	glDisable(GL_BLEND);
	
	glEnable(GL_LINE_STIPPLE);
	glColor3ub(96, 96, 96);
	glLineStipple(1, 0xAAAA);
	glutil_draw_lined_arc(0.0, M_PI * 2.0, rect->xmax, 40);
	glColor3ub(255, 255, 255);
	glLineStipple(1, 0x5555);
	glutil_draw_lined_arc(0.0, M_PI * 2.0, rect->xmax, 40);
	
	glDisable(GL_LINE_STIPPLE);
	glTranslatef(-rect->xmin, -rect->ymin, 0.0f);
	
}