mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 06:05:58 -06:00
406 lines
10 KiB
C++
406 lines
10 KiB
C++
#include "Draw.h"
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NAMESPACE_UPP
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#ifdef PLATFORM_X11
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static void sInitXImage(XImage& ximg, Size sz)
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{
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Zero(ximg);
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ximg.width = sz.cx;
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ximg.height = sz.cy;
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ximg.xoffset = 0;
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ximg.format = ZPixmap;
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ximg.bitmap_bit_order = MSBFirst;
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#ifdef CPU_LITTLE_ENDIAN
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ximg.byte_order = LSBFirst;
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#else
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ximg.byte_order = MSBFirst;
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#endif
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}
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void SetSurface(Draw& w, int x, int y, int cx, int cy, const RGBA *pixels)
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{
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DrawLock __;
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Pixmap pixmap = XCreatePixmap(Xdisplay, Xroot, cx, cy, 24);
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XPicture picture = XRenderCreatePicture(
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Xdisplay, pixmap,
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XRenderFindStandardFormat(Xdisplay, PictStandardRGB24),
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0, 0
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);
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XImage ximg;
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sInitXImage(ximg, Size(cx, cy));
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ximg.bitmap_pad = 32;
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ximg.bytes_per_line = 4 * cx;
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ximg.bits_per_pixel = 32;
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ximg.blue_mask = 0x00ff0000;
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ximg.green_mask = 0x0000ff00;
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ximg.red_mask = 0x000000ff;
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Buffer<RGBA> pma;
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ximg.bitmap_unit = 32;
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ximg.depth = 24;
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ximg.data = (char *)pixels;
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XInitImage(&ximg);
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GC gc = XCreateGC(Xdisplay, pixmap, 0, 0);
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XPutImage(Xdisplay, pixmap, gc, &ximg, 0, 0, 0, 0, cx, cy);
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XFreeGC(Xdisplay, gc);
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XFreePixmap(Xdisplay, pixmap);
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XRenderComposite(Xdisplay, PictOpOver,
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picture, 0, XftDrawPicture(w.GetXftDraw()),
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0, 0, 0, 0, x, y, cx, cy);
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XRenderFreePicture(Xdisplay, picture);
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}
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void Image::Data::SysInit()
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{
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picture = 0;
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picture8 = 0;
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cursor_cheat = -1;
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}
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void Image::Data::SysRelease()
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{
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if(picture) {
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DrawLock __;
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if(Xdisplay) XRenderFreePicture(Xdisplay, picture);
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ResCount -= !paintonly;
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picture = 0;
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}
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if(picture8) {
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DrawLock __;
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if(Xdisplay) XRenderFreePicture(Xdisplay, picture8);
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ResCount -= !paintonly;
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picture8 = 0;
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}
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}
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struct XRSolidFill {
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Color color;
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XPicture picture;
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Pixmap pixmap;
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};
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enum { XRSolidFillCount = 67 };
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static XRSolidFill sFill[XRSolidFillCount];
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inline int s255d16(int x)
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{
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return (x << 8)|x;
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}
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static XPicture sGetSolidFill(Color c)
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{
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DrawLock __;
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int q = GetHashValue(c) % (int)XRSolidFillCount;
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XRSolidFill& f = sFill[q];
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if(f.color == c && f.picture)
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return f.picture;
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if(f.picture)
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XRenderFreePicture(Xdisplay, f.picture);
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if(f.pixmap)
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XFreePixmap(Xdisplay, f.pixmap);
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f.pixmap = XCreatePixmap(Xdisplay, Xroot, 1, 1, 32);
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XRenderPictureAttributes attr;
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attr.repeat = XTrue;
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f.picture = XRenderCreatePicture(Xdisplay, f.pixmap,
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XRenderFindStandardFormat(Xdisplay, PictStandardARGB32),
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CPRepeat, &attr);
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f.color = c;
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XRenderColor xc;
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xc.red = s255d16(c.GetR());
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xc.green = s255d16(c.GetG());
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xc.blue = s255d16(c.GetB());
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xc.alpha = 65535;
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XRenderFillRectangle(Xdisplay, PictOpSrc, f.picture, &xc, 0, 0, 1, 1);
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return f.picture;
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}
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void Image::Data::Paint(Draw& w, int x, int y, const Rect& src, Color c)
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{
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DrawLock __;
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while(ResCount > 512) {
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Image::Data *l = ResData->GetPrev();
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l->SysRelease();
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l->Unlink();
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}
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x += w.GetOffset().x;
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y += w.GetOffset().y;
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Size sz = buffer.GetSize();
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int len = sz.cx * sz.cy;
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Rect sr = src & sz;
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Size ssz = sr.Size();
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if(sr.IsEmpty())
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return;
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if(GetKind() == IMAGE_EMPTY)
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return;
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if(GetKind() == IMAGE_OPAQUE && !IsNull(c)) {
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w.DrawRect(x, y, sz.cx, sz.cy, c);
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return;
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}
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if(GetKind() == IMAGE_OPAQUE && paintcount == 0 && sr == Rect(sz)) {
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SetSurface(w, x, y, sz.cx, sz.cy, buffer);
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paintcount++;
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return;
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}
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Unlink();
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LinkAfter(ResData);
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if(IsNull(c)) {
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if(!picture) {
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bool opaque = GetKind() == IMAGE_OPAQUE;
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Pixmap pixmap = XCreatePixmap(Xdisplay, Xroot, sz.cx, sz.cy, opaque ? 24 : 32);
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picture = XRenderCreatePicture(
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Xdisplay, pixmap,
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XRenderFindStandardFormat(Xdisplay, opaque ? PictStandardRGB24
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: PictStandardARGB32),
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0, 0
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);
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ResCount++;
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XImage ximg;
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sInitXImage(ximg, sz);
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ximg.bitmap_pad = 32;
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ximg.bytes_per_line = 4 * sz.cx;
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ximg.bits_per_pixel = 32;
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ximg.blue_mask = 0x00ff0000;
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ximg.green_mask = 0x0000ff00;
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ximg.red_mask = 0x000000ff;
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ximg.bitmap_unit = 32;
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ximg.data = (char *)~buffer;
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ximg.depth = opaque ? 24 : 32;
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XInitImage(&ximg);
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GC gc = XCreateGC(Xdisplay, pixmap, 0, 0);
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XPutImage(Xdisplay, pixmap, gc, &ximg, 0, 0, 0, 0, sz.cx, sz.cy);
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XFreeGC(Xdisplay, gc);
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XFreePixmap(Xdisplay, pixmap);
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PaintOnlyShrink();
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}
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XRenderComposite(Xdisplay, PictOpOver,
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picture, 0, XftDrawPicture(w.GetXftDraw()),
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sr.left, sr.top, 0, 0, x, y, ssz.cx, ssz.cy);
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}
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else {
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ASSERT(!paintonly);
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if(!picture8) {
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Pixmap pixmap = XCreatePixmap(Xdisplay, Xroot, sz.cx, sz.cy, 8);
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picture8 = XRenderCreatePicture(Xdisplay, pixmap,
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XRenderFindStandardFormat(Xdisplay, PictStandardA8),
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0, 0);
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ResCount++;
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Buffer<byte> ab(len);
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byte *t = ab;
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const RGBA *s = buffer;
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const RGBA *e = s + len;
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while(s < e)
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*t++ = (s++)->a;
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XImage ximg;
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sInitXImage(ximg, sz);
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ximg.data = (char *)~ab;
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ximg.bitmap_unit = 8;
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ximg.bitmap_pad = 8;
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ximg.depth = 8;
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ximg.bytes_per_line = sz.cx;
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ximg.bits_per_pixel = 8;
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XInitImage(&ximg);
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GC gc = XCreateGC(Xdisplay, pixmap, 0, 0);
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XPutImage(Xdisplay, pixmap, gc, &ximg, 0, 0, 0, 0, sz.cx, sz.cy);
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XFreeGC(Xdisplay, gc);
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XFreePixmap(Xdisplay, pixmap);
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}
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XRenderComposite(Xdisplay, PictOpOver,
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sGetSolidFill(c), picture8, XftDrawPicture(w.GetXftDraw()),
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sr.left, sr.top, 0, 0, x, y, ssz.cx, ssz.cy);
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}
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}
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void ImageDraw::Init()
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{
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DrawLock __;
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dw = XCreatePixmap(Xdisplay, Xroot, max(size.cx, 1), max(size.cy, 1), Xdepth);
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gc = XCreateGC(Xdisplay, dw, 0, 0);
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xftdraw = XftDrawCreate(Xdisplay, (Drawable) dw, DefaultVisual(Xdisplay, Xscreenno), Xcolormap);
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alpha.dw = XCreatePixmap(Xdisplay, Xroot, max(size.cx, 1), max(size.cy, 1), Xdepth);
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alpha.gc = XCreateGC(Xdisplay, alpha.dw, 0, 0);
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alpha.xftdraw = XftDrawCreate(Xdisplay, (Drawable) alpha.dw, DefaultVisual(Xdisplay, Xscreenno), Xcolormap);
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Vector<Rect> clip;
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clip.Add(RectC(0, 0, size.cx, size.cy));
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Draw::Init(clip, Point(0, 0));
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alpha.Init(clip, Point(0, 0));
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has_alpha = false;
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}
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ImageDraw::operator Image() const
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{
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DrawLock __;
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XImage *xim = XGetImage(Xdisplay, dw, 0, 0, max(size.cx, 1), max(size.cy, 1), AllPlanes, ZPixmap);
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Visual *v = DefaultVisual(Xdisplay, Xscreenno);
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RasterFormat fmt;
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RGBA palette[256];
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switch(xim->depth) {
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case 15:
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case 16:
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if(xim->byte_order == LSBFirst)
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fmt.Set16le(v->red_mask, v->green_mask, v->blue_mask);
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else
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fmt.Set16be(v->red_mask, v->green_mask, v->blue_mask);
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break;
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case 8: {
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int n = min(v->map_entries, 256);
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XColor colors[256];
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for(int i = 0; i < 256; i++) {
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colors[i].pixel = i;
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colors[i].flags = DoRed|DoGreen|DoBlue;
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}
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XQueryColors(Xdisplay, Xcolormap, colors, n);
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XColor *s = colors;
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XColor *e = s + n;
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while(s < e) {
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RGBA& t = palette[s->pixel];
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t.r = s->red >> 8;
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t.g = s->green >> 8;
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t.b = s->blue >> 8;
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t.a = 255;
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s++;
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}
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fmt.Set8();
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break;
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}
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default:
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if(xim->bits_per_pixel == 32)
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if(xim->byte_order == LSBFirst)
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fmt.Set32le(v->red_mask, v->green_mask, v->blue_mask);
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else
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fmt.Set32be(v->red_mask, v->green_mask, v->blue_mask);
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else
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if(xim->byte_order == LSBFirst)
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fmt.Set24le(v->red_mask, v->green_mask, v->blue_mask);
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else
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fmt.Set24be(v->red_mask, v->green_mask, v->blue_mask);
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break;
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}
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ImageBuffer ib(size);
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const byte *s = (const byte *)xim->data;
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RGBA *t = ib;
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for(int y = 0; y < size.cy; y++) {
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fmt.Read(t, s, size.cx, palette);
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s += xim->bytes_per_line;
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t += size.cx;
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}
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XDestroyImage(xim);
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if(has_alpha) {
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xim = XGetImage(Xdisplay, alpha.dw, 0, 0, size.cx, size.cy, AllPlanes, ZPixmap);
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const byte *s = (const byte *)xim->data;
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t = ib;
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Buffer<RGBA> line(size.cx);
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for(int y = 0; y < size.cy; y++) {
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fmt.Read(line, s, size.cx, palette);
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for(int x = 0; x < size.cx; x++)
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(t++)->a = line[x].r;
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s += xim->bytes_per_line;
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}
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XDestroyImage(xim);
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}
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Premultiply(ib);
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return ib;
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}
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ImageDraw::ImageDraw(Size sz)
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{
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size = sz;
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Init();
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}
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ImageDraw::ImageDraw(int cx, int cy)
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{
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size = Size(cx, cy);
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Init();
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}
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ImageDraw::~ImageDraw()
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{
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DrawLock __;
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XftDrawDestroy(xftdraw);
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XFreePixmap(Xdisplay, dw);
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XFreeGC(Xdisplay, gc);
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XftDrawDestroy(alpha.xftdraw);
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XFreePixmap(Xdisplay, alpha.dw);
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XFreeGC(Xdisplay, alpha.gc);
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}
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Image sX11Cursor__(int c)
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{
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ImageBuffer b(32, 32);
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Image m(b);
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m.SetCursorCheat(c);
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return m;
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}
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#include <X11/cursorfont.h>
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#define FCURSOR_(x) { Image h; INTERLOCKED { static Image m = sX11Cursor__(x); h = m; } return h; }
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Image Image::Arrow() FCURSOR_(XC_left_ptr)
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Image Image::Wait() FCURSOR_(XC_watch)
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Image Image::IBeam() FCURSOR_(XC_xterm)
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Image Image::No() FCURSOR_(XC_circle)
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Image Image::SizeAll() FCURSOR_(XC_fleur)
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Image Image::SizeHorz() FCURSOR_(XC_sb_h_double_arrow)
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Image Image::SizeVert() FCURSOR_(XC_double_arrow)
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Image Image::SizeTopLeft() FCURSOR_(XC_top_left_corner)
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Image Image::SizeTop() FCURSOR_(XC_top_side)
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Image Image::SizeTopRight() FCURSOR_(XC_top_right_corner)
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Image Image::SizeLeft() FCURSOR_(XC_left_side)
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Image Image::SizeRight() FCURSOR_(XC_right_side)
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Image Image::SizeBottomLeft() FCURSOR_(XC_bottom_left_corner)
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Image Image::SizeBottom() FCURSOR_(XC_bottom_side)
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Image Image::SizeBottomRight() FCURSOR_(XC_bottom_right_corner)
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Image Image::Cross() FCURSOR_(XC_crosshair)
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Image Image::Hand() FCURSOR_(XC_hand1)
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Cursor X11Cursor(const Image& img)
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{
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DrawLock __;
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int q = img.GetCursorCheat();
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if(q >= 0)
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return XCreateFontCursor(Xdisplay, q);
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int len = img.GetLength();
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Size sz = img.GetSize();
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Pixmap pixmap = XCreatePixmap(Xdisplay, Xroot, sz.cx, sz.cy, 32);
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XPicture picture = XRenderCreatePicture(
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Xdisplay, pixmap,
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XRenderFindStandardFormat(Xdisplay, PictStandardARGB32),
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0, 0
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);
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XImage ximg;
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sInitXImage(ximg, sz);
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ximg.bitmap_pad = 32;
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ximg.bytes_per_line = 4 * sz.cx;
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ximg.bits_per_pixel = 32;
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ximg.blue_mask = 0x00ff0000;
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ximg.green_mask = 0x0000ff00;
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ximg.red_mask = 0x000000ff;
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Buffer<RGBA> pma;
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pma.Alloc(len);
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memcpy(pma, ~img, len * sizeof(RGBA));
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ximg.bitmap_unit = 32;
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ximg.depth = 32;
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ximg.data = (char *)~pma;
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XInitImage(&ximg);
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GC gc = XCreateGC(Xdisplay, pixmap, 0, 0);
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XPutImage(Xdisplay, pixmap, gc, &ximg, 0, 0, 0, 0, sz.cx, sz.cy);
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XFreeGC(Xdisplay, gc);
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XFreePixmap(Xdisplay, pixmap);
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Point p = img.GetHotSpot();
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Cursor c = XRenderCreateCursor(Xdisplay, picture, p.x, p.y);
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XRenderFreePicture(Xdisplay, picture);
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return c;
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}
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#endif
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END_UPP_NAMESPACE
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