void fdrawXORcirc(float xofs, float yofs, float rad)
{
set_inverted_drawing(1);
glPushMatrix();
glTranslatef(xofs, yofs, 0.0);
glutil_draw_lined_arc(0.0, M_PI * 2.0, rad, 20);
glPopMatrix();
set_inverted_drawing(0);
}
void fdrawXORellipse(float xofs, float yofs, float hw, float hh)
{
if (hw == 0) return;
set_inverted_drawing(1);
glPushMatrix();
glTranslatef(xofs, yofs, 0.0f);
glScalef(1.0f, hh / hw, 1.0f);
glutil_draw_lined_arc(0.0, M_PI * 2.0, hw, 20);
glPopMatrix();
set_inverted_drawing(0);
}
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);
}
/* 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();
}
void ui_draw_but_NORMAL(uiBut *but, uiWidgetColors *wcol, rcti *rect)
{
static GLuint displist = 0;
int a, old[8];
GLfloat diff[4], diffn[4] = {1.0f, 1.0f, 1.0f, 1.0f};
float vec0[4] = {0.0f, 0.0f, 0.0f, 0.0f};
float dir[4], size;
/* store stuff */
glGetMaterialfv(GL_FRONT, GL_DIFFUSE, diff);
/* backdrop */
glColor3ubv((unsigned char *)wcol->inner);
uiSetRoundBox(UI_CNR_ALL);
uiDrawBox(GL_POLYGON, rect->xmin, rect->ymin, rect->xmax, rect->ymax, 5.0f);
/* sphere color */
glMaterialfv(GL_FRONT, GL_DIFFUSE, diffn);
glCullFace(GL_BACK);
glEnable(GL_CULL_FACE);
/* disable blender light */
for (a = 0; a < 8; a++) {
old[a] = glIsEnabled(GL_LIGHT0 + a);
glDisable(GL_LIGHT0 + a);
}
/* own light */
glEnable(GL_LIGHT7);
glEnable(GL_LIGHTING);
ui_get_but_vectorf(but, dir);
dir[3] = 0.0f; /* glLightfv needs 4 args, 0.0 is sun */
glLightfv(GL_LIGHT7, GL_POSITION, dir);
glLightfv(GL_LIGHT7, GL_DIFFUSE, diffn);
glLightfv(GL_LIGHT7, GL_SPECULAR, vec0);
glLightf(GL_LIGHT7, GL_CONSTANT_ATTENUATION, 1.0f);
glLightf(GL_LIGHT7, GL_LINEAR_ATTENUATION, 0.0f);
/* transform to button */
glPushMatrix();
glTranslatef(rect->xmin + 0.5f * BLI_rcti_size_x(rect), rect->ymin + 0.5f * BLI_rcti_size_y(rect), 0.0f);
if (BLI_rcti_size_x(rect) < BLI_rcti_size_y(rect))
size = BLI_rcti_size_x(rect) / 200.f;
else
size = BLI_rcti_size_y(rect) / 200.f;
glScalef(size, size, size);
if (displist == 0) {
GLUquadricObj *qobj;
displist = glGenLists(1);
glNewList(displist, GL_COMPILE);
qobj = gluNewQuadric();
gluQuadricDrawStyle(qobj, GLU_FILL);
glShadeModel(GL_SMOOTH);
gluSphere(qobj, 100.0, 32, 24);
glShadeModel(GL_FLAT);
gluDeleteQuadric(qobj);
glEndList();
}
glCallList(displist);
/* restore */
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
glMaterialfv(GL_FRONT, GL_DIFFUSE, diff);
glDisable(GL_LIGHT7);
/* AA circle */
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
glColor3ubv((unsigned char *)wcol->inner);
glutil_draw_lined_arc(0.0f, M_PI * 2.0, 100.0f, 32);
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
/* matrix after circle */
glPopMatrix();
/* enable blender light */
for (a = 0; a < 8; a++) {
if (old[a])
glEnable(GL_LIGHT0 + a);
}
}
