void onMessage() {
char op = 0;
op = msg.readChar();
// s - set color, f - fade to color
if (op == 's' || op == 'f') {
int red = msg.readInt();
int green = msg.readInt();
int blue = msg.readInt();
if (op == 'f') {
fade_to_color(red, green, blue);
} else if (op == 's') {
set_color(red, green, blue);
}
String color = "colorChange " + String(red) + " " + String(green) + " "
+ String(blue) + "\n";
serial.print(color);
}
// q - query color
else if (op == 'q') {
String color = "currentColor " + String(get_red()) + " " + String(
get_green()) + " " + String(get_blue()) + "\n";
serial.print(color);
} else {
serial.print("Unknown command.");
serial.print(op);
serial.print("\n");
}
}
void tric(t_env *e)
{
int x;
int y;
int i;
int pxl;
e->fract = 3;
x = 0;
while (x <= W_WIDTH)
{
y = 0;
while (y <= W_HEIGHT)
{
init_tric(x, y, e);
i = iter_tric(e);
pxl = x * e->bpp / 8 + y * e->sl;
e->data[pxl] = get_red(i, e);
e->data[pxl + 1] = get_green(i, e);
e->data[pxl + 2] = get_blue(i, e);
y++;
}
x++;
}
}
static void cdstipple(cdCtxCanvas *ctxcanvas, int n, int m, const unsigned char *stipple)
{
double *pattab;
int i, j=0;
pattab = (double *) malloc ( n*m*3*sizeof(double));
for ( i=0; i<n*m; i++ )
{
pattab[j+0] = ( stipple[i] ) ? get_red(ctxcanvas->canvas->foreground) : get_red(ctxcanvas->canvas->background);
pattab[j+1] = ( stipple[i] ) ? get_green(ctxcanvas->canvas->foreground) : get_green(ctxcanvas->canvas->background);
pattab[j+2] = ( stipple[i] ) ? get_blue(ctxcanvas->canvas->foreground) : get_blue(ctxcanvas->canvas->background);
j+=3;
}
cgm_pattern_table ( ctxcanvas->cgm, (long) ctxcanvas->patindex, (long) n, (long) m, (int) 8, pattab );
cgm_pattern_index ( ctxcanvas->cgm, (long) ctxcanvas->patindex++ );
free(pattab);
cgm_interior_style ( ctxcanvas->cgm, 2 ); /* PATTERN */
}
static long int cdbackground(cdCtxCanvas *ctxcanvas, long int color)
{
double bc[3];
bc[0] = get_red(color);
bc[1] = get_green(color);
bc[2] = get_blue(color);
ctxcanvas->canvas->background = color;
cgm_backgound_colour ( ctxcanvas->cgm, bc );
return color;
}
static long int cdforeground(cdCtxCanvas *ctxcanvas, long int color)
{
double cor[3];
cor[0] = get_red(color);
cor[1] = get_green(color);
cor[2] = get_blue(color);
cgm_text_colour( ctxcanvas->cgm, cor );
cgm_fill_colour( ctxcanvas->cgm, cor );
cgm_line_colour( ctxcanvas->cgm, cor );
return color;
}
static void cdpixel(cdCtxCanvas *ctxcanvas, int x, int y, long int color)
{
double cor[3];
double pts[2];
pts[0] = (double) x;
pts[1] = (double) y;
cor[0] = get_red(color);
cor[1] = get_green(color);
cor[2] = get_blue(color);
cgm_marker_colour( ctxcanvas->cgm, cor);
cgm_polymarker ( ctxcanvas->cgm, 1, pts );
}
void bmp_image::plot_with_brightness(int x, int y, rgba_color_t color, double brightness) {
if ( brightness < 0.0 ) {
brightness = 0.0;
}
if ( brightness > 1.0 ) {
brightness = 1.0;
}
brightness = 1.0 - brightness;
color = set_red(color, std::min(255, round_half_up( 255. * brightness + get_red(color) )) );
color = set_green(color, std::min(255, round_half_up( 255. * brightness + get_green(color) )) );
color = set_blue(color, std::min(255, round_half_up( 255. * brightness + get_blue(color) )) );
pixels.set_if_inbounds(x, y, color);
}
void test_colors() {
printf("testing colors\n");
int r = 25;
int g = 225;
int b = 200;
int a = 255;
color c = get_color(r,g,b,a);
assert(c == 0x19E1C8FF);
assert(get_red(c) == r);
assert(get_green(c) == g);
assert(get_blue(c) == b);
assert(get_alpha(c) == a);
assert(set_red(c,0xAA) == 0xAAE1C8FF);
assert(set_green(c,0xAA) == 0x19AAC8FF);
assert(set_blue(c,0xAA) == 0x19E1AAFF);
assert(set_alpha(c,0xAA) == 0x19E1C8AA);
}
/**
* Draws a curve for the speed graph.
*/
void GtkGraph::draw(std::queue<double> q, double height, double increment, double maxValue, const Cairo::RefPtr<Cairo::Context>& cr)
{
// wizards use computers
// computers use numbers
// no magic
double offset = increment * (m_displaySize - q.size());
cr->move_to(0, height);
for(unsigned i = 0; i< (m_displaySize - q.size());++i)
cr->line_to(i*increment, height);
double oldy;
if(q.empty()) return;
oldy = height - (q.front() * height / maxValue);
cr->line_to(offset, oldy);
q.pop();
double x = increment + offset;
while(!q.empty())
{
double y = height - (q.front() * height / maxValue);
cr->curve_to(x - increment/2, oldy, x - increment/2, y, x, y);
q.pop();
oldy = y;
x += increment;
}
if(gt::Settings::settings["GraphStyle"] == "Fill")
{
cr->stroke_preserve();
Gdk::Cairo::set_source_rgba(cr, Gdk::RGBA(gt::Settings::settings[(upl) ? "GraphUploadFillColor" : "GraphDownloadFillColor"]));
cr->line_to(x - increment, height);
cr->line_to(0,height);
auto k = Gdk::RGBA(gt::Settings::settings[(upl) ? "GraphUploadFillColor" : "GraphDownloadFillColor"]);
cr->set_source_rgba(k.get_red(), k.get_green(), k.get_blue(), k.get_alpha() * 0.5);
cr->fill();
}
else cr->stroke();
}
static void cdpattern(cdCtxCanvas *ctxcanvas, int n, int m, const long int *pattern)
{
double *pattab;
int i, j=0;
pattab = (double *) malloc ( n*m*3*sizeof(double) );
for ( i=0; i<n*m; i++ )
{
pattab[j+0] = get_red(pattern[i]);
pattab[j+1] = get_green(pattern[i]);
pattab[j+2] = get_blue(pattern[i]);
j+=3;
}
cgm_pattern_table ( ctxcanvas->cgm, (long) ctxcanvas->patindex, (long) n, (long) m, (int) 8, pattab );
cgm_pattern_index ( ctxcanvas->cgm, (long) ctxcanvas->patindex++ );
free(pattab);
cgm_interior_style ( ctxcanvas->cgm, 2 ); /* PATTERN */
}
int bmp_image::output_to_file(const std::string& file_name) const {
std::ofstream out(file_name.c_str(), std::ios_base::binary | std::ios_base::out);
if ( !out ) {
return 1;
}
//full header size 122
/* BMP structure
* File Header
* 0 Magic number 0x42, 0x4d (2 bytes)
* 2 File size = w*h + h*(w%4) + 122 ? (4 bytes)
* 6 Unused (4 bytes)
* 10 Pixel array offset = 122 (4 bytes)
* DIB Header
* 14 Bytes in DIB Header = 108 (4 bytes)
* 18 Bitmap width (4 bytes)
* 22 Bitmap width (4 bytes)
* 26 Color planes = 1 (2 bytes)
* 28 Bits/pixel = 32 (2 bytes)
* 30 BI_BITFIELDS = 3 (no compression used) (4 bytes)
* 34 Size of the raw data in the Pixel Array = w*h + h*(w%4) ? (incl padding) (4 bytes)
* 38 horizonal pixels/meter = 2835 (4 bytes)
* 42 vertival pixels/meter = 2835 (4 bytes)
* 46 Number of colors in the palette = 0 (4 bytes)
* 50 Important colors = 0 (4 bytes)
* 54 Red channel bit mask = 0x00FF0000 (4 bytes)
* 58 Green channel bit mask = 0x0000FF00 (4 bytes)
* 62 Blue channel bit mask = 0x000000FF (4 bytes)
* 66 Alpha channel bit mask = 0xFF000000 (4 bytes)
* 70 Color space type = 0x206E6957 ?? (4 bytes) //LCS_WINDOWS_COLOR_SPACE
* 74 CIEXYZTRIPLE Color Space (unused) (36 bytes)
* 110 red gamma = unused (4 bytes)
* 114 green gamma = unused (4 bytes)
* 118 blue gamma = unused (4 bytes)
* 122 <Pixel Data>
*/
//TODO endianess
//const boost::uint8_t unused_8 = 0;
//const boost::uint16_t unused_16 = 0;
const boost::uint32_t unused_32 = 0;
//File Header
out.write("\x42\x4d", 2); //magic number
const boost::uint32_t file_size = width*height*4 + 122;
out.write( (const char *)(&file_size), 4); //file_size
out.write( (const char *)(&unused_32), 4); //unused
const boost::uint32_t pixel_array_offset = 122;
out.write( (const char *)(&pixel_array_offset), 4); //pixel_array_offset
const boost::uint32_t dib_header_size = 108;
out.write( (const char *)(&dib_header_size), 4); //dib_header_size
const boost::uint32_t bitmap_width = width;
const boost::uint32_t bitmap_height = height;
out.write( (const char *)(&bitmap_width), 4); //bitmap_width
out.write( (const char *)(&bitmap_height), 4); //bitmap_height
const boost::uint16_t color_planes = 1;
out.write( (const char *)(&color_planes), 2); //color_planes
const boost::uint16_t bits_per_pixel = 32;
out.write( (const char *)(&bits_per_pixel), 2); //bits_per_pixel
const boost::uint32_t bitfields = 3;
out.write( (const char *)(&bitfields), 4); //bitfields
const boost::uint32_t pixel_array_size = width*height*4;
out.write( (const char *)(&pixel_array_size), 4); //pixel_array_size
const boost::uint32_t horizontal_physical_resolution = 2835;
const boost::uint32_t vertical_physical_resolution = 2835;
out.write( (const char *)(&horizontal_physical_resolution), 4); //horizontal_physical_resolution
out.write( (const char *)(&vertical_physical_resolution), 4); //vertical_physical_resolution
out.write( (const char *)(&unused_32), 4); //num of colors on palette
out.write( (const char *)(&unused_32), 4); //num of important colors
const boost::uint32_t red_channel_bit_mask = bmp_impl::endian_swap( 0x00FF0000U );
const boost::uint32_t green_channel_bit_mask = bmp_impl::endian_swap( 0x0000FF00U );
const boost::uint32_t blue_channel_bit_mask = bmp_impl::endian_swap( 0x000000FFU );
const boost::uint32_t alpha_channel_bit_mask = bmp_impl::endian_swap( 0xFF000000U );
out.write( (const char *)(&red_channel_bit_mask), 4); //red_channel_bit_mask
out.write( (const char *)(&green_channel_bit_mask), 4); //green_channel_bit_mask
out.write( (const char *)(&blue_channel_bit_mask), 4); //blue_channel_bit_mask
out.write( (const char *)(&alpha_channel_bit_mask), 4); //alpha_channel_bit_mask
const boost::uint32_t color_space_type = bmp_impl::endian_swap( 0x206E6957U );
out.write( (const char *)(&color_space_type), 4); //color_space_type
//CIEXYZTRIPLE Color Space (unused) (36 bytes)
for(unsigned i = 0; i < 36/4; ++i) {
out.write( (const char *)(&unused_32), 4);
}
out.write( (const char *)(&unused_32), 4); //red gamma
out.write( (const char *)(&unused_32), 4); //green gamma
out.write( (const char *)(&unused_32), 4); //blue gamma
for(unsigned cy = 0; cy < pixels.height(); ++cy) {
for(unsigned x = 0; x < pixels.width(); ++x) {
unsigned y = pixels.height() - cy - 1;
const single_color_t alpha = get_alpha(pixels(x, y));
const single_color_t red = get_red(pixels(x, y));
const single_color_t green = get_green(pixels(x, y));
const single_color_t blue = get_blue(pixels(x, y));
out.write((const char *)&alpha, 1);
out.write((const char *)&red, 1);
out.write((const char *)&green, 1);
out.write((const char *)&blue, 1);
}
//no padding required as the pixels themselves are 4 bytes long
}
out.close();
return 0;
}
Light::operator int() const {
return 256 * (
256 * color_component_of_light_component(get_red()) +
color_component_of_light_component(get_green())
) + color_component_of_light_component(get_blue());
}
void EditorCanvas::paint()
{
auto status = SetCurrent(*context);
assert(status);
int w, h;
GetClientSize(&w, &h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, w, -h, 0, 0, 1);
glClearColor(0.f, 0.f, 0.f, 0.f);
glClear(GL_COLOR_BUFFER_BIT);
// add a red border if it is a keyframe
if (scene.anyKeyframe(frame)) {
glLineWidth(8);
glColor3d(1, 0, 0);
glBegin(GL_LINE_STRIP);
{
glVertex2d( 1, -1);
glVertex2d( 1, -h + 1);
glVertex2d(w - 1, -h + 1);
glVertex2d(w - 1, -1);
glVertex2d( 1, -1);
}
glEnd();
}
glLineWidth(1);
auto polygons = scene.getPolygons();
auto selected = scene.getSelectedPolygon();
for (auto& p : polygons) {
std::vector<Point> vertices;
auto color = p->getVertices(frame, vertices);
glColor3d(color.get_red(), color.get_green(), color.get_blue());
glLineWidth(selected == p ? 3 : 1);
// draw the edges
glBegin(GL_LINE_STRIP);
{
for (auto& v : vertices) {
glVertex2d(v.x, -v.y);
}
glVertex2d(vertices[0].x, -vertices[0].y);
}
glEnd();
// now draw the vertices on top of the lines
if (selected == p) {
auto v = scene.getSelectedVertex();
glBegin(GL_LINES);
{
decltype(v) j = 0;
for (auto& p : vertices) {
glColor3d(0, 1, j++ == v ? 0 : 1);
glVertex2d(p.x + 5, -p.y);
glVertex2d(p.x - 5, -p.y);
glVertex2d(p.x, -p.y + 5);
glVertex2d(p.x, -p.y - 5);
}
}
glEnd();
}
}
if (state == State::CENTER ||
state == State::ROTATE ||
state == State::SCALE) {
glBegin(GL_LINES);
{
glColor3d(0.5, 0.5, 0.5);
auto rc = scene.getCenter();
auto x = static_cast<int>(rc.x);
auto y = static_cast<int>(rc.y);
glVertex2d(x + 5, -y);
glVertex2d(x - 5, -y);
glVertex2d(x, -y + 5);
glVertex2d(x, -y - 5);
}
glEnd();
} else if (state == State::DRAW) { // draw the object currently being created
glLineWidth(3);
// first draw the edges
auto p = scene.getActivePolygon();
const auto& c = p->getColor();
glColor3d(c.get_red(), c.get_green(), c.get_blue());
auto& vertices = p->keyframes[0].vertices;
glBegin(GL_LINE_STRIP);
{
for (auto& v : vertices) {
glVertex2d(v.x, -v.y);
}
}
glEnd();
// now draw the vertices
glColor3d(0, 1, 1);
glBegin(GL_LINES);
{
for (auto& v : vertices) {
glVertex2d(v.x + 5, -v.y);
glVertex2d(v.x - 5, -v.y);
glVertex2d(v.x, -v.y + 5);
glVertex2d(v.x, -v.y - 5);
}
}
glEnd();
}
glFlush();
status = SwapBuffers();
assert(status);
}
