mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-15 14:16:07 -06:00
365 lines
9.1 KiB
C++
365 lines
9.1 KiB
C++
#include "Painter.h"
|
|
|
|
namespace Upp {
|
|
|
|
#ifdef CPU_SIMD
|
|
|
|
force_inline
|
|
int IntAndFraction(f32x4 x, f32x4& fraction)
|
|
{
|
|
x = x + f32all(8000); // Truncate truncates toward 0, need to fix negatives
|
|
i32x4 m = Truncate(x);
|
|
fraction = x - ToFloat(m);
|
|
return (int)m - 8000;
|
|
}
|
|
|
|
force_inline
|
|
int Int(f32x4 x)
|
|
{
|
|
return (int)Truncate(x + f32all(8000)) - 8000;
|
|
}
|
|
|
|
struct PainterImageSpanData {
|
|
int ax, ay, cx, cy, maxx, maxy;
|
|
byte style;
|
|
byte hstyle, vstyle;
|
|
bool fast;
|
|
bool fixed;
|
|
Image image;
|
|
Xform2D xform;
|
|
|
|
PainterImageSpanData(dword flags, const Xform2D& m, const Image& img, bool co, bool imagecache) {
|
|
style = byte(flags & 15);
|
|
hstyle = byte(flags & 3);
|
|
vstyle = byte(flags & 12);
|
|
fast = flags & FILL_FAST;
|
|
image = img;
|
|
int nx = 1;
|
|
int ny = 1;
|
|
if(!fast) {
|
|
Pointf sc = m.GetScaleXY();
|
|
if(sc.x >= 0.01 && sc.y >= 0.01) {
|
|
nx = (int)max(1.0, 1.0 / sc.x);
|
|
ny = (int)max(1.0, 1.0 / sc.y);
|
|
}
|
|
}
|
|
if(nx == 1 && ny == 1)
|
|
xform = Inverse(m);
|
|
else {
|
|
if(!fast)
|
|
image = (imagecache ? MinifyCached : Minify)(image, nx, ny, co);
|
|
xform = Inverse(m) * Xform2D::Scale(1.0 / nx, 1.0 / ny);
|
|
}
|
|
cx = image.GetWidth();
|
|
cy = image.GetHeight();
|
|
maxx = cx - 1;
|
|
maxy = cy - 1;
|
|
ax = 6000000 / cx * cx * 2;
|
|
ay = 6000000 / cy * cy * 2;
|
|
}
|
|
|
|
PainterImageSpanData() {}
|
|
};
|
|
|
|
|
|
struct PainterImageSpan : SpanSource, PainterImageSpanData {
|
|
PainterImageSpan(const PainterImageSpanData& f)
|
|
: PainterImageSpanData(f) {}
|
|
|
|
const RGBA *Pixel(int x, int y) { return &image[y][x]; }
|
|
|
|
const RGBA *GetPixel(int x, int y) {
|
|
if(hstyle == FILL_HPAD)
|
|
x = minmax(x, 0, maxx);
|
|
else
|
|
if(hstyle == FILL_HREFLECT)
|
|
x = (x + ax) / cx & 1 ? (ax - x - 1) % cx : (x + ax) % cx;
|
|
else
|
|
if(hstyle == FILL_HREPEAT)
|
|
x = (x + ax) % cx;
|
|
if(vstyle == FILL_VPAD)
|
|
y = minmax(y, 0, maxy);
|
|
else
|
|
if(vstyle == FILL_VREFLECT)
|
|
y = (y + ay) / cy & 1 ? (ay - y - 1) % cy : (y + ay) % cy;
|
|
else
|
|
if(vstyle == FILL_VREPEAT)
|
|
y = (y + ay) % cy;
|
|
static RGBA zero;
|
|
return fixed || (x >= 0 && x < cx && y >= 0 && y < cy) ? &image[y][x] : &zero;
|
|
}
|
|
|
|
virtual void Get(RGBA *span, int x, int y, unsigned len)
|
|
{
|
|
PAINTER_TIMING("ImageSpan::Get");
|
|
|
|
Pointf p0 = xform.Transform(Pointf(x, y));
|
|
Pointf dd = xform.Transform(Pointf(x + 1, y)) - p0;
|
|
|
|
f32x4 x0 = f32all(p0.x);
|
|
f32x4 y0 = f32all(p0.y);
|
|
f32x4 dx = f32all(dd.x);
|
|
f32x4 dy = f32all(dd.y);
|
|
f32x4 ii = 0;
|
|
f32x4 v1 = f32all(1);
|
|
f32x4 ix, iy;
|
|
|
|
auto GetIXY = [&] {
|
|
ix = x0 + ii * dx;
|
|
iy = y0 + ii * dy;
|
|
ii += v1;
|
|
};
|
|
|
|
fixed = hstyle && vstyle;
|
|
if(hstyle + vstyle == 0 && fast) {
|
|
while(len--) {
|
|
GetIXY();
|
|
Point l(Int(ix), Int(iy));
|
|
if(l.x > 0 && l.x < maxx && l.y > 0 && l.y < maxy)
|
|
*span = *Pixel(l.x, l.y);
|
|
else
|
|
if(style == 0 && (l.x < -1 || l.x > cx || l.y < -1 || l.y > cy))
|
|
*span = RGBAZero();
|
|
else
|
|
*span = *GetPixel(l.x, l.y);
|
|
++span;
|
|
}
|
|
return;
|
|
}
|
|
while(len--) {
|
|
GetIXY();
|
|
f32x4 fx, fy;
|
|
Point l(IntAndFraction(ix, fx), IntAndFraction(iy, fy));
|
|
if(hstyle == FILL_HREPEAT)
|
|
l.x = (l.x + ax) % cx;
|
|
if(vstyle == FILL_VREPEAT)
|
|
l.y = (l.y + ay) % cy;
|
|
if(style == 0 && (l.x < -1 || l.x > cx || l.y < -1 || l.y > cy))
|
|
*span = RGBAZero();
|
|
else
|
|
if(fast) {
|
|
if(l.x > 0 && l.x < maxx && l.y > 0 && l.y < maxy)
|
|
*span = *Pixel(l.x, l.y);
|
|
else
|
|
*span = *GetPixel(l.x, l.y);
|
|
}
|
|
else {
|
|
f32x4 p00, p01, p10, p11;
|
|
if(l.x > 0 && l.x < maxx && l.y > 0 && l.y < maxy) {
|
|
p00 = LoadRGBAF(Pixel(l.x + 0, l.y + 0));
|
|
p01 = LoadRGBAF(Pixel(l.x + 0, l.y + 1));
|
|
p10 = LoadRGBAF(Pixel(l.x + 1, l.y + 0));
|
|
p11 = LoadRGBAF(Pixel(l.x + 1, l.y + 1));
|
|
}
|
|
else {
|
|
p00 = LoadRGBAF(GetPixel(l.x + 0, l.y + 0));
|
|
p01 = LoadRGBAF(GetPixel(l.x + 0, l.y + 1));
|
|
p10 = LoadRGBAF(GetPixel(l.x + 1, l.y + 0));
|
|
p11 = LoadRGBAF(GetPixel(l.x + 1, l.y + 1));
|
|
}
|
|
|
|
p01 = p01 * fy;
|
|
p11 = p11 * fy;
|
|
p10 = p10 * fx;
|
|
p11 = p11 * fx;
|
|
|
|
fx = v1 - fx;
|
|
fy = v1 - fy;
|
|
|
|
p00 = p00 * fy;
|
|
p10 = p10 * fy;
|
|
p00 = p00 * fx;
|
|
p01 = p01 * fx;
|
|
|
|
StoreRGBAF(span, p00 + p01 + p10 + p11);
|
|
}
|
|
++span;
|
|
}
|
|
}
|
|
};
|
|
|
|
void BufferPainter::RenderImage(double width, const Image& image, const Xform2D& transsrc, dword flags)
|
|
{
|
|
current = Null;
|
|
if(image.GetWidth() == 0 || image.GetHeight() == 0)
|
|
return;
|
|
PainterImageSpanData f(flags, transsrc * pathattr.mtx, image, co, imagecache);
|
|
RenderPath(width, [&](One<SpanSource>& s) {
|
|
s.Create<PainterImageSpan>(f);
|
|
}, RGBAZero());
|
|
}
|
|
|
|
void BufferPainter::FillOp(const Image& image, const Xform2D& transsrc, dword flags)
|
|
{
|
|
Close();
|
|
RenderImage(-1, image, transsrc, flags);
|
|
}
|
|
|
|
void BufferPainter::StrokeOp(double width, const Image& image, const Xform2D& transsrc, dword flags)
|
|
{
|
|
RenderImage(width, image, transsrc, flags);
|
|
}
|
|
|
|
#else
|
|
|
|
struct PainterImageSpanData {
|
|
int ax, ay, cx, cy, maxx, maxy;
|
|
byte style;
|
|
byte hstyle, vstyle;
|
|
bool fast;
|
|
bool fixed;
|
|
Image image;
|
|
Xform2D xform;
|
|
|
|
PainterImageSpanData(dword flags, const Xform2D& m, const Image& img, bool co, bool imagecache) {
|
|
style = byte(flags & 15);
|
|
hstyle = byte(flags & 3);
|
|
vstyle = byte(flags & 12);
|
|
fast = flags & FILL_FAST;
|
|
image = img;
|
|
int nx = 1;
|
|
int ny = 1;
|
|
if(!fast) {
|
|
Pointf sc = m.GetScaleXY();
|
|
if(sc.x >= 0.01 && sc.y >= 0.01) {
|
|
nx = (int)max(1.0, 1.0 / sc.x);
|
|
ny = (int)max(1.0, 1.0 / sc.y);
|
|
}
|
|
}
|
|
if(nx == 1 && ny == 1)
|
|
xform = Inverse(m);
|
|
else {
|
|
if(!fast)
|
|
image = (imagecache ? MinifyCached : Minify)(image, nx, ny, co);
|
|
xform = Inverse(m) * Xform2D::Scale(1.0 / nx, 1.0 / ny);
|
|
}
|
|
cx = image.GetWidth();
|
|
cy = image.GetHeight();
|
|
maxx = cx - 1;
|
|
maxy = cy - 1;
|
|
ax = 6000000 / cx * cx * 2;
|
|
ay = 6000000 / cy * cy * 2;
|
|
}
|
|
|
|
PainterImageSpanData() {}
|
|
};
|
|
|
|
|
|
struct PainterImageSpan : SpanSource, PainterImageSpanData {
|
|
LinearInterpolator interpolator;
|
|
|
|
PainterImageSpan(const PainterImageSpanData& f)
|
|
: PainterImageSpanData(f) {
|
|
interpolator.Set(xform);
|
|
}
|
|
|
|
RGBA Pixel(int x, int y) { return image[y][x]; }
|
|
|
|
RGBA GetPixel(int x, int y) {
|
|
if(hstyle == FILL_HPAD)
|
|
x = minmax(x, 0, maxx);
|
|
else
|
|
if(hstyle == FILL_HREFLECT)
|
|
x = (x + ax) / cx & 1 ? (ax - x - 1) % cx : (x + ax) % cx;
|
|
else
|
|
if(hstyle == FILL_HREPEAT)
|
|
x = (x + ax) % cx;
|
|
if(vstyle == FILL_VPAD)
|
|
y = minmax(y, 0, maxy);
|
|
else
|
|
if(vstyle == FILL_VREFLECT)
|
|
y = (y + ay) / cy & 1 ? (ay - y - 1) % cy : (y + ay) % cy;
|
|
else
|
|
if(vstyle == FILL_VREPEAT)
|
|
y = (y + ay) % cy;
|
|
return fixed || (x >= 0 && x < cx && y >= 0 && y < cy) ? image[y][x] : RGBAZero();
|
|
}
|
|
|
|
virtual void Get(RGBA *span, int x, int y, unsigned len)
|
|
{
|
|
PAINTER_TIMING("ImageSpan::Get");
|
|
interpolator.Begin(x, y, len);
|
|
fixed = hstyle && vstyle;
|
|
if(hstyle + vstyle == 0 && fast) {
|
|
while(len--) {
|
|
Point l = interpolator.Get() >> 8;
|
|
if(l.x > 0 && l.x < maxx && l.y > 0 && l.y < maxy)
|
|
*span = Pixel(l.x, l.y);
|
|
else
|
|
if(style == 0 && (l.x < -1 || l.x > cx || l.y < -1 || l.y > cy))
|
|
*span = RGBAZero();
|
|
else
|
|
*span = GetPixel(l.x, l.y);
|
|
++span;
|
|
}
|
|
return;
|
|
}
|
|
while(len--) {
|
|
Point h = interpolator.Get();
|
|
Point l = h >> 8;
|
|
if(hstyle == FILL_HREPEAT)
|
|
l.x = (l.x + ax) % cx;
|
|
if(vstyle == FILL_VREPEAT)
|
|
l.y = (l.y + ay) % cy;
|
|
if(style == 0 && (l.x < -1 || l.x > cx || l.y < -1 || l.y > cy))
|
|
*span = RGBAZero();
|
|
else
|
|
if(fast) {
|
|
if(l.x > 0 && l.x < maxx && l.y > 0 && l.y < maxy)
|
|
*span = Pixel(l.x, l.y);
|
|
else
|
|
*span = GetPixel(l.x, l.y);
|
|
}
|
|
else {
|
|
RGBAV v;
|
|
v.Set(0);
|
|
h.x &= 255;
|
|
h.y &= 255;
|
|
Point u = -h + 256;
|
|
if(l.x > 0 && l.x < maxx && l.y > 0 && l.y < maxy) {
|
|
v.Put(u.x * u.y, Pixel(l.x, l.y));
|
|
v.Put(h.x * u.y, Pixel(l.x + 1, l.y));
|
|
v.Put(u.x * h.y, Pixel(l.x, l.y + 1));
|
|
v.Put(h.x * h.y, Pixel(l.x + 1, l.y + 1));
|
|
}
|
|
else {
|
|
v.Put(u.x * u.y, GetPixel(l.x, l.y));
|
|
v.Put(h.x * u.y, GetPixel(l.x + 1, l.y));
|
|
v.Put(u.x * h.y, GetPixel(l.x, l.y + 1));
|
|
v.Put(h.x * h.y, GetPixel(l.x + 1, l.y + 1));
|
|
}
|
|
span->r = byte(v.r >> 16);
|
|
span->g = byte(v.g >> 16);
|
|
span->b = byte(v.b >> 16);
|
|
span->a = byte(v.a >> 16);
|
|
}
|
|
++span;
|
|
}
|
|
}
|
|
};
|
|
|
|
void BufferPainter::RenderImage(double width, const Image& image, const Xform2D& transsrc, dword flags)
|
|
{
|
|
current = Null;
|
|
if(image.GetWidth() == 0 || image.GetHeight() == 0)
|
|
return;
|
|
PainterImageSpanData f(flags, transsrc * pathattr.mtx, image, co, imagecache);
|
|
RenderPath(width, [&](One<SpanSource>& s) {
|
|
s.Create<PainterImageSpan>(f);
|
|
}, RGBAZero());
|
|
}
|
|
|
|
void BufferPainter::FillOp(const Image& image, const Xform2D& transsrc, dword flags)
|
|
{
|
|
Close();
|
|
RenderImage(-1, image, transsrc, flags);
|
|
}
|
|
|
|
void BufferPainter::StrokeOp(double width, const Image& image, const Xform2D& transsrc, dword flags)
|
|
{
|
|
RenderImage(width, image, transsrc, flags);
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|