ultimatepp/uppsrc/Draw/DrawUtil.cpp
cxl 8ebdcbb0d5 uppsrc: NAMESPACE_UPP / END_UPP_NAMESPACE removed
git-svn-id: svn://ultimatepp.org/upp/trunk@10186 f0d560ea-af0d-0410-9eb7-867de7ffcac7
2016-08-26 17:15:30 +00:00

585 lines
16 KiB
C++

#include "Draw.h"
namespace Upp {
#define LTIMING(x) // TIMING(x)
void AddNotEmpty(Vector<Rect>& result, int left, int right, int top, int bottom)
{
if(left < right && top < bottom)
result.Add(Rect(left, top, right, bottom));
}
bool Subtract(const Rect& r, const Rect& sub, Vector<Rect>& result)
{
LTIMING("SubtractRect0");
Rect is = r & sub;
if(!is.IsEmpty()) {
AddNotEmpty(result, r.left, is.left, r.top, is.top);
AddNotEmpty(result, is.left, is.right, r.top, is.top);
AddNotEmpty(result, is.right, r.right, r.top, is.top);
AddNotEmpty(result, r.left, is.left, is.top, is.bottom);
AddNotEmpty(result, is.right, r.right, is.top, is.bottom);
AddNotEmpty(result, r.left, is.left, is.bottom, r.bottom);
AddNotEmpty(result, is.left, is.right, is.bottom, r.bottom);
AddNotEmpty(result, is.right, r.right, is.bottom, r.bottom);
return true;
}
else {
result.Add(r);
return false;
}
}
bool Subtract(const Vector<Rect>& rr, const Rect& sub, Vector<Rect>& result)
{
LTIMING("SubtractRect");
bool changed = false;
for(int i = 0; i < rr.GetCount(); i++) {
const Rect& r = rr[i];
if(Subtract(r, sub, result))
changed = true;
}
return changed;
}
Vector<Rect> Subtract(const Vector<Rect>& rr, const Rect& sub, bool& changed)
{
Vector<Rect> result;
if(Subtract(rr, sub, result))
changed = true;
return result;
}
void Subtract(Vector<Rect>& rr, const Rect& sub)
{
LTIMING("Subtract");
if(sub.IsEmpty())
return;
bool dummy;
rr = Subtract(rr, sub, dummy);
}
void Union(Vector<Rect>& rr, const Rect& add)
{
LTIMING("Union");
if(add.IsEmpty())
return;
Vector<Rect> r;
r.Add(add);
for(int i = 0; i < rr.GetCount() && r.GetCount(); i++)
Subtract(r, rr[i]);
for(int i = 0; i < r.GetCount(); i++)
rr.Add(r[i]);
}
Vector<Rect> Intersect(const Vector<Rect>& b, const Rect& a, bool& changed)
{
Vector<Rect> result;
for(int i = 0; i < b.GetCount(); i++) {
Rect r = b[i] & a;
if(r.IsEmpty())
changed = true;
else {
if(r != b[i]) changed = true;
result.Add(r);
}
}
return result;
}
Vector<Rect> Intersection(const Vector<Rect>& b, const Rect& a)
{
bool dummy;
return Intersect(b, a, dummy);
}
void AddRefreshRect(Vector<Rect>& invalid, const Rect& _r)
{
Vector<Rect> inv;
Rect r = _r;
int ra = r.Width() * r.Height();
for(int i = 0; i < invalid.GetCount(); i++) {
const Rect& ir = invalid[i];
Rect ur = r | ir;
if(ur.Width() * ur.Height() < 2 * (ir.Width() * ir.Height() + ra))
r = ur;
else
if(!r.Contains(ir))
inv.Add(ir);
}
Vector<Rect> rs;
rs.Add(r);
for(int i = 0; i < inv.GetCount(); i++) {
bool ch = false;
Vector<Rect> rs1 = Subtract(rs, inv[i], ch);
if(ch) rs = pick(rs1);
}
inv.AppendPick(pick(rs));
invalid = pick(inv);
}
void DrawFatFrame(Draw& w, int x, int y, int cx, int cy, Color color, int n) {
if(n < 0) {
x += n;
y += n;
n = -n;
cx += 2 * n;
cy += 2 * n;
}
w.DrawRect(x, y, cx, n, color);
w.DrawRect(x, y + n, n, cy - n, color);
w.DrawRect(x + cx - n, y + n, n, cy - n, color);
w.DrawRect(x + n, y + cy - n, cx - 2 * n, n, color);
}
void DrawFatFrame(Draw& w, const Rect& r, Color color, int n) {
DrawFatFrame(w, r.left, r.top, r.Width(), r.Height(), color, n);
}
void DrawFrame(Draw& w, int x, int y, int cx, int cy,
Color leftcolor, Color topcolor, Color rightcolor, Color bottomcolor)
{
w.DrawRect(x, y, cx - 1, 1, topcolor);
w.DrawRect(x, y, 1, cy - 1, leftcolor);
w.DrawRect(x + cx - 1, y, 1, cy, rightcolor);
w.DrawRect(x, y + cy - 1, cx, 1, bottomcolor);
}
void DrawFrame(Draw& w, const Rect& r,
Color leftcolor, Color topcolor, Color rightcolor, Color bottomcolor)
{
DrawFrame(w, r.left, r.top, r.Width(), r.Height(),
leftcolor, topcolor, rightcolor, bottomcolor);
}
void DrawFrame(Draw& w, int x, int y, int cx, int cy,
Color topleftcolor, Color bottomrightcolor)
{
DrawFrame(w, x, y, cx, cy, topleftcolor, topleftcolor, bottomrightcolor, bottomrightcolor);
}
void DrawFrame(Draw& w, const Rect& r,
Color topleftcolor, Color bottomrightcolor) {
DrawFrame(w, r, topleftcolor, topleftcolor, bottomrightcolor, bottomrightcolor);
}
void DrawFrame(Draw& w, int x, int y, int cx, int cy, Color color) {
DrawFrame(w, x, y, cx, cy, color, color);
}
void DrawFrame(Draw& w, const Rect& r, Color color) {
DrawFrame(w, r, color, color);
}
void DrawBorder(Draw& w, int x, int y, int cx, int cy, const ColorF *c) {
if(!c) return;
int n = (int)(uintptr_t)*c;
c++;
while(n--) {
if(cx <= 0 || cy <= 0)
break;
DrawFrame(w, x, y, cx, cy, c[0], c[1], c[2], c[3]);
x += 1;
y += 1;
cx -= 2;
cy -= 2;
c += 4;
}
}
void DrawBorder(Draw& w, const Rect& r, const ColorF *c) {
DrawBorder(w, r.left, r.top, r.Width(), r.Height(), c);
}
const ColorF *BlackBorder()
{
static ColorF data[] = {
(ColorF)1,
&SColorText, &SColorText, &SColorText, &SColorText,
};
return data;
}
const ColorF *WhiteBorder()
{
static ColorF data[] = {
(ColorF)1,
&SWhite, &SWhite, &SWhite, &SWhite,
};
return data;
}
const ColorF *DefButtonBorder()
{
static ColorF data[] = {
(ColorF)3,
&SColorText, &SColorText, &SColorText, &SColorText,
&SColorLight, &SColorLight, &SColorText, &SColorText,
&SColorLtFace, &SColorLtFace, &SColorShadow, &SColorShadow,
};
return data;
}
const ColorF *ButtonBorder()
{
static ColorF data[] = {
(ColorF)2,
&SColorLight, &SColorLight, &SColorText, &SColorText,
&SColorLtFace, &SColorLtFace, &SColorShadow, &SColorShadow,
};
return data;
}
const ColorF *EdgeButtonBorder()
{
static ColorF data[] = {
(ColorF)2,
&SColorLtFace, &SColorLtFace, &SColorText, &SColorText,
&SColorLight, &SColorLight, &SColorShadow, &SColorShadow,
};
return data;
}
const ColorF *ButtonPushBorder()
{
static ColorF data[] = {
(ColorF)2,
&SColorText, &SColorText, &SColorText, &SColorText,
&SColorShadow, &SColorShadow, &SColorText, &SColorText
};
return data;
}
const ColorF *InsetBorder()
{
static ColorF data[] = {
(ColorF)2,
&SColorShadow, &SColorShadow, &SColorLight, &SColorLight,
&SColorText, &SColorText, &SColorFace, &SColorFace
};
return data;
}
const ColorF *OutsetBorder()
{
static ColorF data[] = {
(ColorF)2,
&SColorFace, &SColorFace, &SColorText, &SColorText,
&SColorLight, &SColorLight, &SColorShadow, &SColorShadow,
};
return data;
}
const ColorF *ThinOutsetBorder()
{
static ColorF data[] = {
(ColorF)1,
&SColorLight, &SColorLight, &SColorShadow, &SColorShadow,
};
return data;
}
const ColorF *ThinInsetBorder()
{
static ColorF data[] = {
(ColorF)1,
&SColorShadow, &SColorShadow, &SColorLight, &SColorLight,
};
return data;
}
void DrawBorder(Draw& w, int x, int y, int cx, int cy, const ColorF *(*colors_ltrd)())
{
DrawBorder(w, x, y, cx, cy, (*colors_ltrd)());
}
void DrawBorder(Draw& w, const Rect& r, const ColorF *(*colors_ltrd)())
{
DrawBorder(w, r, (*colors_ltrd)());
}
void DrawRectMinusRect(Draw& w, const Rect& rect, const Rect& inner, Color color) {
Rect r = rect;
r.bottom = inner.top;
w.DrawRect(r, color);
r = inner;
r.right = r.left;
r.left = rect.left;
w.DrawRect(r, color);
r.left = inner.right;
r.right = rect.right;
w.DrawRect(r, color);
r = rect;
r.top = inner.bottom;
w.DrawRect(r, color);
}
void DrawRect(Draw& w, int x, int y, int cx, int cy, const Image& img, bool ra) {
w.Clip(x, y, cx, cy);
Size sz = img.GetSize();
for(int a = ra ? x : x / sz.cx * sz.cx; a < x + cx; a += sz.cx)
for(int b = ra ? y : y / sz.cy * sz.cy ; b < y + cy; b += sz.cy)
w.DrawImage(a, b, img);
w.End();
}
void DrawRect(Draw& w, const Rect& rect, const Image& img, bool ralgn)
{
DrawRect(w, rect.left, rect.top, rect.Width(), rect.Height(), img, ralgn);
}
#if defined(flagWINGL) || defined(flagLINUXGL)
void DrawTiles(Draw& w, int x, int y, int cx, int cy, const Image& img, const Size& isz, const Rect& src) {
w.Clip(x, y, cx, cy);
Size sz = isz;
for(int a = x; a < x + cx; a += sz.cx)
for(int b = y; b < y + cy; b += sz.cy)
w.DrawImage(a, b, isz.cx, isz.cy, img, src);
w.End();
}
void DrawTiles(Draw& w, const Rect& rect, const Image& img, const Size& isz, const Rect& src)
{
DrawTiles(w, rect.left, rect.top, rect.GetWidth(), rect.GetHeight(), img, isz, src);
}
void DrawTiles(Draw& w, int x, int y, int cx, int cy, const Image& img)
{
DrawTiles(w, x, y, cx, cy, img, img.GetSize(), img.GetSize());
}
void DrawTiles(Draw& w, const Rect& rect, const Image& img)
{
DrawTiles(w, rect, img, img.GetSize(), img.GetSize());
}
#else
void DrawTiles(Draw& w, int x, int y, int cx, int cy, const Image& img) {
w.Clip(x, y, cx, cy);
Size sz = img.GetSize();
for(int a = x; a < x + cx; a += sz.cx)
for(int b = y; b < y + cy; b += sz.cy)
w.DrawImage(a, b, img);
w.End();
}
void DrawTiles(Draw& w, const Rect& rect, const Image& img)
{
DrawTiles(w, rect.left, rect.top, rect.GetWidth(), rect.GetHeight(), img);
}
#endif
void DrawHighlightImage(Draw& w, int x, int y, const Image& img, bool highlight,
bool enabled, Color maskcolor)
{
if(highlight) {
w.DrawImage(x + 1, y, img, maskcolor);
w.DrawImage(x - 1, y, img, maskcolor);
w.DrawImage(x, y + 1, img, maskcolor);
w.DrawImage(x, y - 1, img, maskcolor);
}
w.DrawImage(x, y, enabled ? img : MakeImage(img, Etched));
}
Color GradientColor(Color fc, Color tc, int i, int n)
{
return Color(
fc.GetR() + i * (tc.GetR() - fc.GetR()) / n,
fc.GetG() + i * (tc.GetG() - fc.GetG()) / n,
fc.GetB() + i * (tc.GetB() - fc.GetB()) / n
);
}
void PaintButtonRect(Draw& w, Rect& r,
Color left, Color top, Color right, Color bottom,
Color& topleft, Color& topright, Color& bottomleft, Color& bottomright)
{
w.DrawRect(r.left, r.top, 1, 1, topleft);
w.DrawRect(r.right - 1, r.top, 1, 1, topright);
w.DrawRect(r.left, r.bottom - 1, 1, 1, bottomleft);
w.DrawRect(r.right - 1, r.bottom - 1, 1, 1, bottomright);
Color b1, b2;
w.DrawRect(r.left + 1, r.top, 1, 1, b1 = Blend(topleft, top, 160));
w.DrawRect(r.left, r.top + 1, 1, 1, b2 = Blend(topleft, left, 160));
w.DrawRect(r.left + 2, r.top, 1, 1, Blend(b1, top));
w.DrawRect(r.left, r.top + 2, 1, 1, Blend(b2, left));
topleft = Blend(b1, b2);
w.DrawRect(r.right - 2, r.top, 1, 1, b1 = Blend(topright, top, 160));
w.DrawRect(r.right - 1, r.top + 1, 1, 1, b2 = Blend(topright, right, 160));
w.DrawRect(r.right - 3, r.top, 1, 1, Blend(b1, top));
w.DrawRect(r.right - 1, r.top + 2, 1, 1, Blend(b2, right));
topright = Blend(b1, b2);
w.DrawRect(r.left + 1, r.bottom - 1, 1, 1, b1 = Blend(bottomleft, bottom, 160));
w.DrawRect(r.left, r.bottom - 2, 1, 1, b2 = Blend(bottomleft, left, 160));
w.DrawRect(r.left + 2, r.bottom - 1, 1, 1, Blend(b1, bottom));
w.DrawRect(r.left, r.bottom - 3, 1, 1, Blend(b2, left));
bottomleft = Blend(b1, b2);
w.DrawRect(r.right - 2, r.bottom - 1, 1, 1, b1 = Blend(bottomright, bottom, 160));
w.DrawRect(r.right - 1, r.bottom - 2, 1, 1, b2 = Blend(bottomright, right, 160));
w.DrawRect(r.right - 3, r.bottom - 1, 1, 1, Blend(b1, bottom));
w.DrawRect(r.right - 1, r.bottom - 3, 1, 1, Blend(b2, right));
bottomright = Blend(b1, b2);
w.DrawRect(r.left + 3, r.top, r.Width() - 6, 1, top);
w.DrawRect(r.left, r.top + 3, 1, r.Height() - 6, left);
w.DrawRect(r.right - 1, r.top + 3, 1, r.Height() - 6, right);
w.DrawRect(r.left + 3, r.bottom - 1, r.Width() - 6, 1, bottom);
r.Deflate(1, 1);
}
void DrawXPButton(Draw& w, Rect r, int type)
{
Color outlight = SColorLight;
Color outshade = Blend(SColorShadow, SColorFace);
Color light = SColorLight;
Color shade = SColorShadow;
Color frame = Blend(SColorHighlight, SColorText);
Color mark = Null;
Color topleft = SColorFace;
int markblend = 0;
if(type & BUTTON_EDGE)
frame = Blend(SColorHighlight, SColorLight);
if(type & BUTTON_TOOL) {
frame = SColorDisabled;
light = Blend(SColorFace, light);
}
if(type & BUTTON_SCROLL) {
outlight = SColorFace;
shade = outshade = SColorFace;
frame = Blend(SColorHighlight, SColorShadow);
}
switch(type & 15) {
case BUTTON_OK:
mark = Blend(Blue, SColorLight);
markblend = 130;
break;
case BUTTON_HIGHLIGHT:
if(!(type & BUTTON_SCROLL)) {
mark = Blend(Yellow, LtRed, 100);
markblend = 130;
}
break;
case BUTTON_PUSH:
light = shade = Blend(SColorHighlight, SColorFace, 235);
break;
case BUTTON_DISABLED:
frame = SColorDisabled;
outlight = outshade = light = shade = SColorFace;
break;
case BUTTON_CHECKED:
if(type & BUTTON_TOOL)
light = shade = SColorLight;
else
light = shade = Blend(SColorHighlight, SColorFace);
break;
}
Color topright = topleft;
Color bottomleft = topleft;
Color bottomright = topleft;
if(type & BUTTON_EDGE) {
DrawFrame(w, r, frame);
light = Blend(frame, SColorLight);
shade = Blend(frame, SColorShadow);
w.DrawRect(r.left, r.top, 1, 1, light);
w.DrawRect(r.right - 1, r.top, 1, 1, light);
w.DrawRect(r.left, r.bottom - 1, 1, 1, light);
w.DrawRect(r.right - 1, r.bottom - 1, 1, 1, light);
r.Deflate(1, 1);
switch(type & 15) {
case BUTTON_HIGHLIGHT:
light = Blend(light, SColorLight);
shade = Blend(shade, SColorLight);
break;
case BUTTON_PUSH:
light = shade = Blend(SColorHighlight, SColorFace);
break;
}
}
else {
if(!(type & BUTTON_TOOL))
PaintButtonRect(w, r, outshade, outshade, outlight, outlight, topleft, topright, bottomleft, bottomright);
PaintButtonRect(w, r, frame, frame, frame, frame, topleft, topright, bottomleft, bottomright);
Color hc = Blend(light, mark, markblend);
Color sc = Blend(shade, mark, markblend);
PaintButtonRect(w, r, hc, hc, sc, sc, topleft, topright, bottomleft, bottomright);
if(markblend) {
DrawFrame(w, r, Blend(hc, mark, markblend), Blend(sc, mark, markblend));
r.Deflate(1, 1);
}
}
if(type & BUTTON_SCROLL)
switch(type & 15) {
case BUTTON_PUSH:
light = shade = Blend(SColorFace, SColorHighlight);
break;
case BUTTON_HIGHLIGHT:
light = shade = Blend(SColorLight, SColorHighlight, 40);
break;
default:
light = Blend(SColorLight, SColorHighlight, 80);
shade = Blend(SColorFace, SColorHighlight, 80);
}
Color b1 = Blend(light, shade, 80);
Color bs = Blend(shade, SColorFace);
if(type & BUTTON_VERTICAL) {
int wd = r.Width();
int w1 = 4 * wd / 5;
for(int i = 0; i < wd; i++)
w.DrawRect(r.left + i, r.top, 1, r.Height(), i < w1 ? Blend(light, b1, 255 * i / w1)
: Blend(b1, bs, 255 * (i - w1) / (wd - w1)));
}
else {
int h = r.Height();
int h1 = 4 * h / 5;
for(int i = 0; i < h; i++)
w.DrawRect(r.left, r.top + i, r.Width(), 1, i < h1 ? Blend(light, b1, 255 * i / h1)
: Blend(b1, bs, 255 * (i - h1) / (h - h1)));
}
}
static DrawingToPdfFnType sPdf;
void SetDrawingToPdfFn(DrawingToPdfFnType Pdf)
{
sPdf = Pdf;
}
DrawingToPdfFnType GetDrawingToPdfFn()
{
return sPdf;
}
Image (*render_glyph)(int cx, int x, Font font, int chr, int py, int pcy);
Image RenderGlyph(int cx, int x, Font font, int chr, int py, int pcy)
{
if(render_glyph)
return (*render_glyph)(cx, x, font, chr, py, pcy);
if(ImageAnyDraw::IsAvailable()) {
ImageAnyDraw iw(cx, pcy);
iw.DrawRect(0, 0, cx, pcy, White);
iw.DrawText(x, -py, WString(chr, 1), font, Black);
return iw;
}
return Null;
}
void SetRenderGlyph(Image (*f)(int cx, int x, Font font, int chr, int py, int pcy))
{
render_glyph = f;
}
}