void CL_Texture::set_border_color(const CL_Color &color)
{
set_border_color(
color.get_red()/255.0f,
color.get_green()/255.0f,
color.get_blue()/255.0f,
color.get_alpha()/255.0f);
}
unsigned char find_nearest_color(const CL_Palette& palette, const CL_Color& rgb)
{ // Copyright (C) 1998 Pyrosoft Inc. (www.pyrosoftgames.com), Matthew Bogue
float bestDist = 10000000.0f;
int best = 0;
float vPic = sqrt(rgb.get_red() * rgb.get_red()
+ rgb.get_green() * rgb.get_green()
+ rgb.get_blue() * rgb.get_blue()) * 0.57735027;
for (int i = 0; i < 256; i++) {
float vPal = sqrt(palette.colors[i].get_red() * palette.colors[i].get_red()
+ palette.colors[i].get_green() * palette.colors[i].get_green()
+ palette.colors[i].get_blue() * palette.colors[i].get_blue()) * 0.57735027;
float dr = palette.colors[i].get_red() - rgb.get_red();
float dg = palette.colors[i].get_green() - rgb.get_green();
float db = palette.colors[i].get_blue() - rgb.get_blue();
float dv = vPal-vPic;
float dist = dr * dr * 0.3 + dg * dg * 0.59 + db * db * 0.11 + dv * dv * 0.7;
if (dist < bestDist) {
bestDist = dist;
best = i;
}
}
return best;
}
void CL_PixelFillRenderer::clear(const CL_Colorf &color)
{
int dest_buffer_width = colorbuffer0.size.width;
int dest_buffer_height = colorbuffer0.size.height;
unsigned char *dest_data = (unsigned char *) colorbuffer0.data;
CL_Color c = color;
unsigned int color8888 = (c.get_alpha() << 24) + (c.get_red() << 16) + (c.get_green() << 8) + c.get_blue();
unsigned char *ptr_color8888 = (unsigned char *) &color8888;
for (int y = find_first_line_for_core(clip_rect.top, core, num_cores); y < clip_rect.bottom; y += num_cores)
{
unsigned char *line = dest_data + y * dest_buffer_width * 4 + clip_rect.left * 4;
unsigned int line_align = ((line) - ((unsigned char *) 0)) & 0xf; // A gcc safe way of obtaining an address
int pos = 0;
int length = clip_rect.get_width()*4;
// Write single bytes until we are byte aligned:
if (line_align)
{
int prefix_length = cl_min(length, (int) (16 - line_align));
for (; pos < prefix_length; pos++)
line[pos] = ptr_color8888[pos&0x3];
}
// Figure out how our 16 bytes should look like after we applied the alignment:
unsigned int b0 = ptr_color8888[(pos+0)&0x3];
unsigned int b1 = ptr_color8888[(pos+1)&0x3];
unsigned int b2 = ptr_color8888[(pos+2)&0x3];
unsigned int b3 = ptr_color8888[(pos+3)&0x3];
__m128i c_sse = _mm_set1_epi32((b3<<24)+(b2<<16)+(b1<<8)+b0);
// Fill 16 byte aligned:
int align_length = length-pos-15;
for (; pos < align_length; pos+=16)
_mm_stream_si128((__m128i*)(line+pos), c_sse);
// Fill remaining bytes:
for (; pos < length; pos++)
line[pos] = ptr_color8888[pos&0x3];
}
}
CL_ColorHSVx<int>::CL_ColorHSVx(const CL_Color &color)
{
int red = color.get_red();
int green = color.get_green();
int blue = color.get_blue();
const int min_value = cl_min(red,cl_min(blue, green));
const int max_value = cl_max(red,cl_max(blue, green));
a = color.get_alpha();
if (min_value == max_value)
{
h = 0;
s = 0;
v = min_value;
return;
}
s = max_value != 0 ? 255 * (max_value - min_value) / max_value : 0;
v = max_value;
float r = float(max_value - red) / (max_value - min_value);
float g = float(max_value - green) / (max_value - min_value);
float b = float(max_value - blue) / (max_value - min_value);
if (max_value == red)
{
h = (60 * (b - g))+0.5f;
}
else if (max_value == green)
{
h = (60 * (2 + r - b))+0.5f;
}
else
{
h = (60 * (4 + g - r))+0.5f;
}
}
void setRacketColor(const CL_Color _racketColor) { racketColor = CL_Color(_racketColor.get_red(), _racketColor.get_green(), _racketColor.get_blue()); }
void draw(const Stroke& stroke, CL_GraphicContext* gc)
{
CL_OpenGLState state(CL_Display::get_current_window()->get_gc());
state.set_active();
state.setup_2d();
CL_Color color = DrawerProperties::current()->get_color();
const Stroke::Dabs& dabs = stroke.get_interpolated_dabs(DrawerProperties::current()->get_spacing(),
DrawerProperties::current()->get_spacing());
if (dabs.size() >= 2)
{
std::vector<CL_Pointf> normals;
if (stroke.get_dab_count() == 2)
{
normals.push_back(CL_Pointf(1.0f, 1.0f));
normals.push_back(CL_Pointf(1.0f, 1.0f));
}
else if (stroke.get_dab_count() >= 3)
{
for(Stroke::Dabs::size_type i = 0; i < dabs.size()-1; ++i)
{
CL_Pointf normal((dabs[i].pos.y - dabs[i+1].pos.y),
-(dabs[i].pos.x - dabs[i+1].pos.x));
float length = sqrt(normal.x * normal.x + normal.y * normal.y);
normal.x /= length;
normal.y /= length;
normals.push_back(normal);
}
normals.push_back(CL_Pointf(1.0f, 1.0f));
}
float len = DrawerProperties::current()->get_size() * 8.0f;
float len2 = DrawerProperties::current()->get_size() * 16.0f;
glEnable(GL_BLEND);
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glBegin(GL_QUAD_STRIP);
for(unsigned int j = 0; j < dabs.size()-2; ++j)
{
glColor4ub(color.get_red(), color.get_green(), color.get_blue(), color.get_alpha());
glVertex2f(dabs[j].pos.x + normals[j].x * len,
dabs[j].pos.y + normals[j].y * len);
glColor4ub(color.get_red(), color.get_green(), color.get_blue(), 0);
glVertex2f(dabs[j].pos.x + normals[j].x * len2,
dabs[j].pos.y + normals[j].y * len2);
}
glEnd();
glBegin(GL_QUAD_STRIP);
for(unsigned int j = 0; j < dabs.size()-2; ++j)
{
glColor4ub(color.get_red(), color.get_green(), color.get_blue(), 0);
glVertex2f(dabs[j].pos.x - normals[j].x * len2,
dabs[j].pos.y - normals[j].y * len2);
glColor4ub(color.get_red(), color.get_green(), color.get_blue(), color.get_alpha());
glVertex2f(dabs[j].pos.x - normals[j].x * len,
dabs[j].pos.y - normals[j].y * len);
}
glEnd();
glBegin(GL_QUAD_STRIP);
glColor4ub(color.get_red(), color.get_green(), color.get_blue(), color.get_alpha());
for(unsigned int j = 0; j < dabs.size()-2; ++j)
{
glVertex2f(dabs[j].pos.x + normals[j].x * len,
dabs[j].pos.y + normals[j].y * len);
glVertex2f(dabs[j].pos.x - normals[j].x * len,
dabs[j].pos.y - normals[j].y * len);
}
glEnd();
}
}