ultimatepp/uppsrc/Painter/Painter.cpp
2022-12-17 08:48:24 +01:00

373 lines
12 KiB
C++

#include "Painter.h"
namespace Upp {
struct PaintCharPath : FontGlyphConsumer {
Painter *sw;
virtual void Move(Pointf p) {
sw->Move(p);
}
virtual void Line(Pointf p) {
sw->Line(p);
}
virtual void Quadratic(Pointf p1, Pointf p2) {
sw->Quadratic(p1, p2);
}
virtual void Cubic(Pointf p1, Pointf p2, Pointf p3) {
sw->Cubic(p1, p2, p3);
}
virtual void Close() {
sw->Close();
}
};
void PaintCharacter(Painter& sw, const Pointf& p, int chr, Font font)
{
GlyphInfo gi = GetGlyphInfo(font, chr);
PaintCharPath pw;
pw.sw = &sw;
if(gi.IsNormal())
font.Render(pw, p.x, p.y, chr);
else
if(gi.IsReplaced()) {
Font fnt = font;
fnt.Face(gi.lspc);
fnt.Height(gi.rspc);
fnt.Render(pw, p.x, p.y + font.GetAscent() - fnt.GetAscent(), chr);
}
else
if(gi.IsComposed()) {
ComposedGlyph cg;
Compose(font, chr, cg);
font.Render(pw, p.x, p.y, cg.basic_char);
sw.Div();
cg.mark_font.Render(pw, p.x + cg.mark_pos.x, p.y + cg.mark_pos.y, cg.mark_char);
}
sw.EvenOdd(true);
}
Xform2D GetLineSzXform(const Pointf& p1, const Pointf& p2, const Sizef& sz)
{
Xform2D m = Xform2D::Scale(Distance(p1, p2) / sz.cx);
m = m * Xform2D::Rotation(Bearing(p2 - p1));
m = m * Xform2D::Translation(p1.x, p1.y);
return m;
}
Painter& Painter::Fill(const Image& image, Pointf p1, Pointf p2, dword flags)
{
return Fill(image, GetLineSzXform(p1, p2, image.GetSize()), flags);
}
Painter& Painter::Fill(const Image& image, double x1, double y1,
double x2, double y2, dword flags)
{
return Fill(image, Pointf(x1, y1), Pointf(x2, y2), flags);
}
Painter& Painter::Fill(double x1, double y1, const RGBA& color1, double x2, double y2, const RGBA& color2, int style)
{
return Fill(Pointf(x1, y1), color1, Pointf(x2, y2), color2, style);
}
Painter& Painter::Fill(const RGBA& color1, const RGBA& color2, const Xform2D& transsrc, dword flags)
{
FillOp(color1, color2, transsrc, flags);
return *this;
}
Painter& Painter::Fill(double fx, double fy, const RGBA& color1, double cx, double cy, double r, const RGBA& color2, int style)
{
return Fill(Pointf(fx, fy), color1, Pointf(cx, cy), r, color2, style);
}
Painter& Painter::Fill(const Pointf& c, const RGBA& color1, double r, const RGBA& color2, int style)
{
return Fill(c, color1, c, r, color2, style);
}
Painter& Painter::Fill(double x, double y, const RGBA& color1, double r, const RGBA& color2, int style)
{
return Fill(Pointf(x, y), color1, r, color2, style);
}
Painter& Painter::Fill(const Pointf& f, const RGBA& color1, const RGBA& color2, const Xform2D& transsrc, int style)
{
FillOp(f, color1, color2, transsrc, style);
return *this;
}
Painter& Painter::Stroke(double width, const Pointf& f, const RGBA& color1, const RGBA& color2, const Xform2D& transsrc, int style)
{
StrokeOp(width, f, color1, color2, transsrc, style);
return *this;
}
Painter& Painter::Translate(double x, double y)
{
Transform(Xform2D::Translation(x, y));
return *this;
}
Painter& Painter::Translate(const Pointf& p)
{
return Translate(p.x, p.y);
}
Painter& Painter::Stroke(double width, const Image& image, const Pointf& p1, const Pointf& p2, dword flags)
{
return Stroke(width, image, GetLineSzXform(p1, p2, image.GetSize()), flags);
}
Painter& Painter::Stroke(double width, const Image& image, double x1, double y1, double x2, double y2, dword flags)
{
return Stroke(width, image, Pointf(x1, y1), Pointf(x2, y2), flags);
}
Painter& Painter::Stroke(double width, double x1, double y1, const RGBA& color1, double x2, double y2, const RGBA& color2, int style)
{
return Stroke(width, Pointf(x1, y1), color1, Pointf(x2, y2), color2, style);
}
Painter& Painter::Stroke(double width, const RGBA& color1, const RGBA& color2, const Xform2D& transsrc, dword flags)
{
StrokeOp(width, color1, color2, transsrc, flags);
return *this;
}
Painter& Painter::Stroke(double width, double fx, double fy, const RGBA& color1, double cx, double cy, double r, const RGBA& color2, int style)
{
return Stroke(width, Pointf(fx, fy), color1, Pointf(cx, cy), r, color2, style);
}
Painter& Painter::Stroke(double width, const Pointf& c, const RGBA& color1, double r, const RGBA& color2, int style)
{
return Stroke(width, c, color1, c, r, color2, style);
}
Painter& Painter::Stroke(double width, double x, double y, const RGBA& color1, double r, const RGBA& color2, int style)
{
return Stroke(width, Pointf(x, y), color1, r, color2, style);
}
Painter& Painter::Rotate(double a)
{
Transform(Xform2D::Rotation(a));
return *this;
}
Painter& Painter::Scale(double scalex, double scaley)
{
Transform(Xform2D::Scale(scalex, scaley));
return *this;
}
Painter& Painter::Scale(double scale)
{
Scale(scale, scale);
return *this;
}
Vector<double> StringToDash(const String& dash, double& start)
{
Vector<double> d;
CParser p(dash);
try {
while(!p.IsEof())
if(p.Char(':'))
start = p.ReadDouble();
else
d.Add(p.ReadDouble());
}
catch(CParser::Error) {}
if(d.GetCount() & 1) {
Vector<double> dash1;
dash1.Append(d);
dash1.Append(d);
return dash1;
}
return d;
}
void Painter::DashOp(const String& dash, double start)
{
Vector<double> h = StringToDash(dash, start);
DashOp(h, start);
}
Painter& Painter::Character(double x, double y, int ch, Font fnt)
{
return Character(Pointf(x, y), ch, fnt);
}
void Painter::TextOp(const Pointf& p, const wchar *text, Font fnt, int n, const double *dx)
{
if(n == 0) {
Move(0, 0);
return;
}
Font fi = fnt;
double m = 1;
if(fnt.GetHeight() < 50) {
fi.Height(100 * fnt.GetHeight());
m = 0.01;
}
else
if(fnt.GetHeight() < 500) {
fi.Height(10 * fnt.GetHeight());
m = 0.1;
}
double x = p.x;
while(n) {
int ch = *text++;
Character(x, p.y, ch, fnt);
Div();
if(dx)
x += *dx++;
else
x += fi[ch] * m;
n--;
}
if(fnt.IsUnderline() || fnt.IsStrikeout()) {
double a = fnt.GetAscent();
double cy = max(a / 16, 1.0);
double cx = x - p.x;
if(fnt.IsUnderline())
Rectangle(p.x, p.y + a + cy, cx, cy);
if(fnt.IsStrikeout())
Rectangle(p.x, p.y + 2 * a / 3, cx, cy);
}
}
Painter& Painter::Text(double x, double y, const wchar *text, Font fnt, int n, const double *dx)
{
return Text(Pointf(x, y), text, fnt, n < 0 ? strlen__(text) : n, dx);
}
Painter& Painter::Text(const Pointf& p, const WString& s, Font fnt, const double *dx)
{
return Text(p, ~s, fnt, s.GetLength(), dx);
}
Painter& Painter::Text(double x, double y, const WString& s, Font fnt, const double *dx)
{
return Text(Pointf(x, y), s, fnt, dx);
}
Painter& Painter::Text(const Pointf& p, const String& s, Font fnt, const double *dx)
{
return Text(p, s.ToWString(), fnt, dx);
}
Painter& Painter::Text(double x, double y, const String& s, Font fnt, const double *dx)
{
return Text(Pointf(x, y), s, fnt, dx);
}
Painter& Painter::Text(const Pointf& p, const char *text, Font fnt, int n, const double *dx)
{
WString s = ToUtf32(text, n < 0 ? strlen(text) : n);
return Text(p, s, fnt, s.GetCount(), dx);
}
Painter& Painter::Text(double x, double y, const char *text, Font fnt, int n, const double *dx)
{
return Text(Pointf(x, y), text, fnt, n, dx);
}
Painter& Painter::Rectangle(double x, double y, double cx, double cy)
{
if (cx < 0) { x += cx; cx = -cx;}
if (cy < 0) { y += cy; cy = -cy;}
return Move(x, y).RelLine(cx, 0).RelLine(0, cy).RelLine(-cx, 0).Close();
}
Painter& Painter::RoundedRectangle(double x, double y, double cx, double cy, double r)
{
return RoundedRectangle(x, y, cx, cy, r, r);
}
Painter& Painter::RoundedRectangle(double x, double y, double cx, double cy, double rx, double ry)
{
ASSERT(rx >= 0 && ry >= 0);
if (cx < 0) { x += cx; cx = -cx;}
if (cy < 0) { y += cy; cy = -cy;}
Move(x + rx, y).Arc(x + rx, y + ry, rx, ry, -M_PI / 2, -M_PI / 2)
.Line(x, y + cy - ry).Arc(x + rx, y + cy - ry, rx, ry, M_PI, -M_PI / 2)
.Line(x + cx - rx, y + cy).Arc(x + cx - rx, y + cy - ry, rx, ry, M_PI / 2, -M_PI / 2)
.Line(x + cx, y + ry).Arc(x + cx - rx, y + ry, rx, ry, 0, -M_PI / 2).Line(x + rx, y);
return *this;
}
Painter& Painter::Ellipse(double x, double y, double rx, double ry)
{
return Move(x + rx, y).Arc(x, y, rx, ry, 0, 2 * M_PI).Close();
}
Painter& Painter::Circle(double x, double y, double r)
{
return Ellipse(x, y, r, r);
}
void NilPainter::ClearOp(const RGBA& color) {}
void NilPainter::MoveOp(const Pointf& p, bool rel) {}
void NilPainter::LineOp(const Pointf& p, bool rel) {}
void NilPainter::QuadraticOp(const Pointf& p1, const Pointf& p, bool rel) {}
void NilPainter::QuadraticOp(const Pointf& p, bool rel) {}
void NilPainter::CubicOp(const Pointf& p1, const Pointf& p2, const Pointf& p, bool rel) {}
void NilPainter::CubicOp(const Pointf& p2, const Pointf& p, bool rel) {}
void NilPainter::ArcOp(const Pointf& c, const Pointf& r, double angle, double sweep, bool rel) {}
void NilPainter::SvgArcOp(const Pointf& r, double xangle, bool large, bool sweep, const Pointf& p, bool rel) {}
void NilPainter::CloseOp() {}
void NilPainter::DivOp() {}
void NilPainter::FillOp(const RGBA& color) {}
void NilPainter::FillOp(const Image& image, const Xform2D& transsrc, dword flags) {}
void NilPainter::FillOp(const RGBA& color1, const RGBA& color2, const Xform2D& transsrc, int style) {}
void NilPainter::FillOp(const Pointf& p1, const RGBA& color1, const Pointf& p2, const RGBA& color2, int style) {}
void NilPainter::FillOp(const Pointf& f, const RGBA& color1, const Pointf& c, double r, const RGBA& color2, int style) {}
void NilPainter::FillOp(const Pointf& f, const RGBA& color1, const RGBA& color2, const Xform2D& transsrc, int style) {}
void NilPainter::StrokeOp(double width, const RGBA& rgba) {}
void NilPainter::StrokeOp(double width, const Image& image, const Xform2D& transsrc, dword flags) {}
void NilPainter::StrokeOp(double width, const RGBA& color1, const RGBA& color2, const Xform2D& transsrc, int style) {}
void NilPainter::StrokeOp(double width, const Pointf& p1, const RGBA& color1, const Pointf& p2, const RGBA& color2, int style) {}
void NilPainter::StrokeOp(double width, const Pointf& f, const RGBA& color1, const Pointf& c, double r, const RGBA& color2, int style) {}
void NilPainter::StrokeOp(double width, const Pointf& f, const RGBA& color1, const RGBA& color2, const Xform2D& transsrc, int style) {}
void NilPainter::ClipOp() {}
void NilPainter::CharacterOp(const Pointf& p, int ch, Font fnt) {}
void NilPainter::TextOp(const Pointf& p, const wchar *text, Font fnt, int n, const double *dx) {}
void NilPainter::ColorStopOp(double pos, const RGBA& color) {}
void NilPainter::ClearStopsOp() {}
void NilPainter::OpacityOp(double o) {}
void NilPainter::LineCapOp(int linecap) {}
void NilPainter::LineJoinOp(int linejoin) {}
void NilPainter::MiterLimitOp(double l) {}
void NilPainter::EvenOddOp(bool evenodd) {}
void NilPainter::InvertOp(bool invert) {}
void NilPainter::DashOp(const Vector<double>& dash, double start) {}
void NilPainter::TransformOp(const Xform2D& m) {}
void NilPainter::BeginOp() {}
void NilPainter::EndOp() {}
void NilPainter::BeginMaskOp() {}
void NilPainter::BeginOnPathOp(double, bool) {}
ImagePainter::ImagePainter(Size sz, int mode)
: ImageBuffer__(sz), BufferPainter(ImageBuffer__::ib, mode)
{}
ImagePainter::ImagePainter(int cx, int cy, int mode)
: ImageBuffer__(Size(cx, cy)), BufferPainter(ImageBuffer__::ib, mode)
{}
DrawPainter::DrawPainter(Draw& w, Size sz, int mode)
: ImagePainter(sz, mode), w(w)
{}
DrawPainter::~DrawPainter()
{
Finish();
GetBuffer().PaintOnceHint();
w.DrawImage(0, 0, *this);
}
}