mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-15 22:02:49 -06:00
69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#include "Painter.h"
|
|
|
|
NAMESPACE_UPP
|
|
|
|
void BufferPainter::ColorStop0(Attr& a, double pos, const RGBA& color)
|
|
{
|
|
pos = minmax(pos, 0.0, 1.0);
|
|
int i = FindLowerBound(a.stop, pos);
|
|
a.stop.Insert(i, pos);
|
|
a.stop_color.Insert(i, color);
|
|
}
|
|
|
|
void BufferPainter::ColorStopOp(double pos, const RGBA& color)
|
|
{
|
|
ColorStop0(pathattr, pos, color);
|
|
if(!inpath)
|
|
ColorStop0(attr, pos, color);
|
|
}
|
|
|
|
void BufferPainter::ClearStopsOp()
|
|
{
|
|
pathattr.stop.Clear();
|
|
pathattr.stop_color.Clear();
|
|
if(!inpath) {
|
|
attr.stop.Clear();
|
|
attr.stop_color.Clear();
|
|
}
|
|
}
|
|
|
|
void BufferPainter::MakeGradient(RGBA *t, RGBA color1, RGBA color2, int cx)
|
|
{
|
|
int l = 0;
|
|
RGBA cl = color1;
|
|
for(int i = 0; i <= pathattr.stop.GetCount(); i++) {
|
|
int h;
|
|
RGBA ch;
|
|
if(i < pathattr.stop.GetCount()) {
|
|
h = (int)(pathattr.stop[i] * (cx - 1));
|
|
ch = pathattr.stop_color[i];
|
|
}
|
|
else {
|
|
h = cx - 1;
|
|
ch = color2;
|
|
}
|
|
int w = h - l;
|
|
for(int j = 0; j < w; j++) {
|
|
t->r = ((w - j) * cl.r + j * ch.r) / w;
|
|
t->g = ((w - j) * cl.g + j * ch.g) / w;
|
|
t->b = ((w - j) * cl.b + j * ch.b) / w;
|
|
t->a = ((w - j) * cl.a + j * ch.a) / w;
|
|
t++;
|
|
}
|
|
cl = ch;
|
|
l = h;
|
|
}
|
|
*t = cl;
|
|
}
|
|
|
|
void BufferPainter::FillOp(double x1, double y1, const RGBA& color1,
|
|
double x2, double y2, const RGBA& color2, int style)
|
|
{
|
|
ImageBuffer ib(2048, 1); // adapt size according to bound rect
|
|
MakeGradient(ib, color1, color2, 2048);
|
|
Fill(ib, x1, y1, x2, y2, FILL_VPAD | FILL_FAST |
|
|
(style == GRADIENT_PAD ? FILL_HPAD : style == GRADIENT_REPEAT
|
|
? FILL_HREPEAT : FILL_HREFLECT));
|
|
}
|
|
|
|
END_UPP_NAMESPACE
|