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root |
1.92 |
#include <string.h> |
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sf-exg |
1.6 |
#include <math.h> |
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root |
1.1 |
#include "../config.h" |
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#include "rxvt.h" |
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#if HAVE_IMG |
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root |
1.92 |
typedef rxvt_img::nv nv; |
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struct mat3x3 |
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{ |
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nv v[3][3]; |
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mat3x3 () |
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{ |
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} |
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mat3x3 (nv matrix[3][3]) |
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{ |
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memcpy (v, matrix, sizeof (v)); |
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} |
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mat3x3 (nv v11, nv v12, nv v13, nv v21, nv v22, nv v23, nv v31, nv v32, nv v33) |
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{ |
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v[0][0] = v11; v[0][1] = v12; v[0][2] = v13; |
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v[1][0] = v21; v[1][1] = v22; v[1][2] = v23; |
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v[2][0] = v31; v[2][1] = v32; v[2][2] = v33; |
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} |
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mat3x3 invert (); |
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nv *operator [](int i) { return &v[i][0]; } |
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const nv *operator [](int i) const { return &v[i][0]; } |
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// quite inefficient, hopefully gcc pulls the w calc out of any loops |
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nv apply1 (int i, nv x, nv y) |
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{ |
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mat3x3 &m = *this; |
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nv v = m[i][0] * x + m[i][1] * y + m[i][2]; |
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nv w = m[2][0] * x + m[2][1] * y + m[2][2]; |
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return v * (1. / w); |
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} |
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static mat3x3 translate (nv x, nv y); |
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}; |
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mat3x3 |
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mat3x3::invert () |
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{ |
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mat3x3 &m = *this; |
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mat3x3 inv; |
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nv s0 = m[2][2] * m[1][1] - m[2][1] * m[1][2]; |
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nv s1 = m[2][1] * m[0][2] - m[2][2] * m[0][1]; |
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nv s2 = m[1][2] * m[0][1] - m[1][1] * m[0][2]; |
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nv invdet = 1. / (m[0][0] * s0 + m[1][0] * s1 + m[2][0] * s2); |
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inv[0][0] = invdet * s0; |
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inv[0][1] = invdet * s1; |
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inv[0][2] = invdet * s2; |
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inv[1][0] = invdet * (m[2][0] * m[1][2] - m[2][2] * m[1][0]); |
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inv[1][1] = invdet * (m[2][2] * m[0][0] - m[2][0] * m[0][2]); |
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inv[1][2] = invdet * (m[1][0] * m[0][2] - m[1][2] * m[0][0]); |
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inv[2][0] = invdet * (m[2][1] * m[1][0] - m[2][0] * m[1][1]); |
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inv[2][1] = invdet * (m[2][0] * m[0][1] - m[2][1] * m[0][0]); |
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inv[2][2] = invdet * (m[1][1] * m[0][0] - m[1][0] * m[0][1]); |
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return inv; |
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} |
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static mat3x3 |
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operator *(const mat3x3 &a, const mat3x3 &b) |
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{ |
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mat3x3 r; |
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for (int i = 0; i < 3; ++i) |
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for (int j = 0; j < 3; ++j) |
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r[i][j] = a[i][0] * b[0][j] |
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+ a[i][1] * b[1][j] |
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+ a[i][2] * b[2][j]; |
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return r; |
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} |
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mat3x3 |
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mat3x3::translate (nv x, nv y) |
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{ |
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return mat3x3 ( |
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1, 0, x, |
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0, 1, y, |
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0, 0, 1 |
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); |
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} |
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root |
1.85 |
#if 0 |
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struct pict |
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{ |
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Display *dpy; |
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Picture pic; |
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operator Picture () const |
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{ |
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return pic; |
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} |
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pict () |
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: pic (0) |
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{ |
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} |
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pict (rxvt_img *img, XRenderPictFormat *format = 0) |
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: dpy (img->s->display->dpy) |
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{ |
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XRenderPictureAttributes pa; |
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pa.repeat = img->repeat; |
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pic = XRenderCreatePicture (dpy, img->pm, format ? format : img->format, CPRepeat, &pa); |
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} |
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~pict () |
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{ |
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if (pic) |
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XRenderFreePicture (dpy, pic); |
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} |
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}; |
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#endif |
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root |
1.83 |
static XRenderPictFormat * |
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find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
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{ |
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if (format->direct.alphaMask) |
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return format; // already has alpha |
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// try to find a suitable alpha format, one bit alpha is enough for our purposes |
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if (format->type == PictTypeDirect) |
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for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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if (f->direct.alphaMask |
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&& f->type == PictTypeDirect |
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&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
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&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
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return f; |
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// should be a very good fallback |
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return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
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} |
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152 |
root |
1.41 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
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: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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root |
1.34 |
pm(0), ref(0) |
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root |
1.1 |
{ |
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} |
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root |
1.32 |
rxvt_img::rxvt_img (const rxvt_img &img) |
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root |
1.34 |
: s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref) |
160 |
root |
1.32 |
{ |
161 |
root |
1.34 |
++ref->cnt; |
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root |
1.32 |
} |
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164 |
root |
1.4 |
rxvt_img * |
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sf-exg |
1.21 |
rxvt_img::new_from_root (rxvt_screen *s) |
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{ |
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Display *dpy = s->display->dpy; |
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unsigned int root_pm_w, root_pm_h; |
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Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]); |
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if (root_pixmap == None) |
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root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]); |
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if (root_pixmap == None) |
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return 0; |
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Window wdummy; |
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int idummy; |
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unsigned int udummy; |
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if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy)) |
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return 0; |
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rxvt_img *img = new rxvt_img ( |
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s, |
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XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
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root |
1.33 |
0, |
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0, |
188 |
sf-exg |
1.21 |
root_pm_w, |
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root |
1.32 |
root_pm_h |
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sf-exg |
1.21 |
); |
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root |
1.32 |
img->pm = root_pixmap; |
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root |
1.34 |
img->ref = new pixref (root_pm_w, root_pm_h); |
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img->ref->ours = false; |
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sf-exg |
1.21 |
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return img; |
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} |
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sf-exg |
1.73 |
# if HAVE_PIXBUF |
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root |
1.77 |
|
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sf-exg |
1.21 |
rxvt_img * |
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root |
1.47 |
rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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{ |
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root |
1.48 |
Display *dpy = s->display->dpy; |
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root |
1.47 |
int width = gdk_pixbuf_get_width (pb); |
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int height = gdk_pixbuf_get_height (pb); |
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if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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// since we require rgb24/argb32 formats from xrender we assume |
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// that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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215 |
root |
1.54 |
int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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217 |
root |
1.47 |
XImage xi; |
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xi.width = width; |
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xi.height = height; |
221 |
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xi.xoffset = 0; |
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xi.format = ZPixmap; |
223 |
root |
1.54 |
xi.byte_order = ImageByteOrder (dpy); |
224 |
root |
1.55 |
xi.bitmap_unit = 0; //XY only, unused |
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xi.bitmap_bit_order = 0; //XY only, unused |
226 |
root |
1.48 |
xi.bitmap_pad = BitmapPad (dpy); |
227 |
root |
1.76 |
xi.depth = 32; |
228 |
root |
1.47 |
xi.bytes_per_line = 0; |
229 |
root |
1.51 |
xi.bits_per_pixel = 32; //Z only |
230 |
root |
1.52 |
xi.red_mask = 0x00000000; //Z only, unused |
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xi.green_mask = 0x00000000; //Z only, unused |
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xi.blue_mask = 0x00000000; //Z only, unused |
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xi.obdata = 0; // probably unused |
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root |
1.47 |
|
235 |
root |
1.54 |
bool byte_order_mismatch = byte_order != xi.byte_order; |
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237 |
root |
1.47 |
if (!XInitImage (&xi)) |
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rxvt_fatal ("unable to initialise ximage, please report.\n"); |
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240 |
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if (height > INT_MAX / xi.bytes_per_line) |
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rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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245 |
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int rowstride = gdk_pixbuf_get_rowstride (pb); |
246 |
root |
1.76 |
bool pb_has_alpha = gdk_pixbuf_get_has_alpha (pb); |
247 |
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unsigned char *row = gdk_pixbuf_get_pixels (pb); |
248 |
root |
1.47 |
|
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char *line = xi.data; |
250 |
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251 |
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for (int y = 0; y < height; y++) |
252 |
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{ |
253 |
root |
1.50 |
unsigned char *src = row; |
254 |
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uint32_t *dst = (uint32_t *)line; |
255 |
root |
1.47 |
|
256 |
root |
1.76 |
if (!pb_has_alpha) |
257 |
root |
1.47 |
for (int x = 0; x < width; x++) |
258 |
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{ |
259 |
root |
1.50 |
uint8_t r = *src++; |
260 |
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uint8_t g = *src++; |
261 |
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uint8_t b = *src++; |
262 |
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263 |
root |
1.76 |
uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
264 |
root |
1.50 |
|
265 |
root |
1.56 |
if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
266 |
root |
1.54 |
v = ecb_bswap32 (v); |
267 |
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268 |
root |
1.51 |
*dst++ = v; |
269 |
root |
1.47 |
} |
270 |
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else |
271 |
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for (int x = 0; x < width; x++) |
272 |
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{ |
273 |
root |
1.50 |
uint32_t v = *(uint32_t *)src; src += 4; |
274 |
root |
1.51 |
|
275 |
root |
1.57 |
if (ecb_big_endian ()) |
276 |
root |
1.51 |
v = ecb_bswap32 (v); |
277 |
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278 |
root |
1.58 |
v = ecb_rotl32 (v, 8); // abgr to bgra |
279 |
root |
1.52 |
|
280 |
root |
1.57 |
if (!byte_order_mismatch) |
281 |
root |
1.54 |
v = ecb_bswap32 (v); |
282 |
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283 |
root |
1.51 |
*dst++ = v; |
284 |
root |
1.47 |
} |
285 |
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286 |
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row += rowstride; |
287 |
root |
1.50 |
line += xi.bytes_per_line; |
288 |
root |
1.47 |
} |
289 |
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290 |
root |
1.76 |
rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, PictStandardARGB32), 0, 0, width, height); |
291 |
root |
1.47 |
img->alloc (); |
292 |
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293 |
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GC gc = XCreateGC (dpy, img->pm, 0, 0); |
294 |
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XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
295 |
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XFreeGC (dpy, gc); |
296 |
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297 |
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free (xi.data); |
298 |
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299 |
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return img; |
300 |
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} |
301 |
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302 |
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rxvt_img * |
303 |
root |
1.4 |
rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
304 |
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{ |
305 |
root |
1.11 |
GError *err = 0; |
306 |
root |
1.4 |
GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
307 |
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308 |
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if (!pb) |
309 |
root |
1.11 |
rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
310 |
root |
1.4 |
|
311 |
root |
1.47 |
rxvt_img *img = new_from_pixbuf (s, pb); |
312 |
root |
1.4 |
|
313 |
sf-exg |
1.26 |
g_object_unref (pb); |
314 |
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315 |
root |
1.4 |
return img; |
316 |
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} |
317 |
root |
1.77 |
|
318 |
sf-exg |
1.73 |
# endif |
319 |
root |
1.4 |
|
320 |
root |
1.32 |
void |
321 |
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rxvt_img::destroy () |
322 |
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{ |
323 |
root |
1.34 |
if (--ref->cnt) |
324 |
root |
1.32 |
return; |
325 |
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|
326 |
root |
1.34 |
if (pm && ref->ours) |
327 |
root |
1.32 |
XFreePixmap (s->display->dpy, pm); |
328 |
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329 |
root |
1.34 |
delete ref; |
330 |
root |
1.32 |
} |
331 |
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|
332 |
root |
1.1 |
rxvt_img::~rxvt_img () |
333 |
|
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{ |
334 |
root |
1.32 |
destroy (); |
335 |
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} |
336 |
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337 |
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void |
338 |
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rxvt_img::alloc () |
339 |
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{ |
340 |
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pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
341 |
root |
1.34 |
ref = new pixref (w, h); |
342 |
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} |
343 |
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|
344 |
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Picture |
345 |
root |
1.85 |
rxvt_img::picture () |
346 |
root |
1.34 |
{ |
347 |
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Display *dpy = s->display->dpy; |
348 |
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349 |
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XRenderPictureAttributes pa; |
350 |
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pa.repeat = repeat; |
351 |
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Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
352 |
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353 |
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return pic; |
354 |
root |
1.1 |
} |
355 |
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|
356 |
|
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void |
357 |
root |
1.11 |
rxvt_img::unshare () |
358 |
|
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{ |
359 |
root |
1.34 |
if (ref->cnt == 1 && ref->ours) |
360 |
root |
1.11 |
return; |
361 |
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|
362 |
root |
1.34 |
Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
363 |
root |
1.32 |
GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
364 |
root |
1.34 |
XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
365 |
root |
1.32 |
XFreeGC (s->display->dpy, gc); |
366 |
root |
1.11 |
|
367 |
root |
1.32 |
destroy (); |
368 |
root |
1.11 |
|
369 |
root |
1.32 |
pm = pm2; |
370 |
root |
1.34 |
ref = new pixref (ref->w, ref->h); |
371 |
root |
1.11 |
} |
372 |
|
|
|
373 |
|
|
void |
374 |
root |
1.82 |
rxvt_img::fill (const rgba &c) |
375 |
root |
1.1 |
{ |
376 |
root |
1.82 |
XRenderColor rc = { c.r, c.g, c.b, c.a }; |
377 |
root |
1.77 |
|
378 |
|
|
Display *dpy = s->display->dpy; |
379 |
root |
1.85 |
Picture src = picture (); |
380 |
root |
1.77 |
XRenderFillRectangle (dpy, PictOpSrc, src, &rc, 0, 0, w, h); |
381 |
|
|
XRenderFreePicture (dpy, src); |
382 |
root |
1.1 |
} |
383 |
|
|
|
384 |
root |
1.83 |
void |
385 |
|
|
rxvt_img::add_alpha () |
386 |
|
|
{ |
387 |
|
|
if (format->direct.alphaMask) |
388 |
|
|
return; |
389 |
|
|
|
390 |
|
|
Display *dpy = s->display->dpy; |
391 |
|
|
|
392 |
|
|
rxvt_img *img = new rxvt_img (s, find_alpha_format_for (dpy, format), x, y, w, h, repeat); |
393 |
|
|
img->alloc (); |
394 |
|
|
|
395 |
root |
1.85 |
Picture src = picture (); |
396 |
root |
1.83 |
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
397 |
|
|
|
398 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
399 |
|
|
|
400 |
|
|
XRenderFreePicture (dpy, src); |
401 |
|
|
XRenderFreePicture (dpy, dst); |
402 |
|
|
|
403 |
|
|
::swap (img->ref, ref); |
404 |
|
|
::swap (img->pm , pm ); |
405 |
|
|
|
406 |
|
|
delete img; |
407 |
|
|
} |
408 |
|
|
|
409 |
sf-exg |
1.6 |
static void |
410 |
root |
1.92 |
get_gaussian_kernel (int radius, int width, nv *kernel, XFixed *params) |
411 |
sf-exg |
1.6 |
{ |
412 |
root |
1.92 |
nv sigma = radius / 2.0; |
413 |
|
|
nv scale = sqrt (2.0 * M_PI) * sigma; |
414 |
|
|
nv sum = 0.0; |
415 |
sf-exg |
1.6 |
|
416 |
|
|
for (int i = 0; i < width; i++) |
417 |
|
|
{ |
418 |
root |
1.92 |
nv x = i - width / 2; |
419 |
sf-exg |
1.6 |
kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
420 |
|
|
sum += kernel[i]; |
421 |
|
|
} |
422 |
|
|
|
423 |
|
|
params[0] = XDoubleToFixed (width); |
424 |
|
|
params[1] = XDoubleToFixed (1); |
425 |
|
|
|
426 |
|
|
for (int i = 0; i < width; i++) |
427 |
|
|
params[i+2] = XDoubleToFixed (kernel[i] / sum); |
428 |
|
|
} |
429 |
|
|
|
430 |
sf-exg |
1.22 |
rxvt_img * |
431 |
root |
1.3 |
rxvt_img::blur (int rh, int rv) |
432 |
|
|
{ |
433 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
434 |
sf-exg |
1.22 |
return clone (); |
435 |
sf-exg |
1.6 |
|
436 |
|
|
Display *dpy = s->display->dpy; |
437 |
|
|
int size = max (rh, rv) * 2 + 1; |
438 |
root |
1.84 |
nv *kernel = (nv *)malloc (size * sizeof (nv)); |
439 |
sf-exg |
1.6 |
XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
440 |
root |
1.41 |
rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
441 |
root |
1.32 |
img->alloc (); |
442 |
sf-exg |
1.6 |
|
443 |
|
|
XRenderPictureAttributes pa; |
444 |
|
|
pa.repeat = RepeatPad; |
445 |
sf-exg |
1.61 |
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
446 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
447 |
sf-exg |
1.22 |
|
448 |
|
|
Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
449 |
|
|
Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
450 |
|
|
XFreePixmap (dpy, tmp_pm); |
451 |
sf-exg |
1.6 |
|
452 |
|
|
if (kernel && params) |
453 |
|
|
{ |
454 |
|
|
size = rh * 2 + 1; |
455 |
|
|
get_gaussian_kernel (rh, size, kernel, params); |
456 |
|
|
|
457 |
|
|
XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
458 |
|
|
XRenderComposite (dpy, |
459 |
|
|
PictOpSrc, |
460 |
|
|
src, |
461 |
|
|
None, |
462 |
sf-exg |
1.22 |
tmp, |
463 |
sf-exg |
1.6 |
0, 0, |
464 |
|
|
0, 0, |
465 |
|
|
0, 0, |
466 |
|
|
w, h); |
467 |
|
|
|
468 |
|
|
size = rv * 2 + 1; |
469 |
|
|
get_gaussian_kernel (rv, size, kernel, params); |
470 |
|
|
::swap (params[0], params[1]); |
471 |
|
|
|
472 |
sf-exg |
1.60 |
XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
473 |
sf-exg |
1.6 |
XRenderComposite (dpy, |
474 |
|
|
PictOpSrc, |
475 |
sf-exg |
1.22 |
tmp, |
476 |
sf-exg |
1.6 |
None, |
477 |
|
|
dst, |
478 |
|
|
0, 0, |
479 |
|
|
0, 0, |
480 |
|
|
0, 0, |
481 |
|
|
w, h); |
482 |
|
|
} |
483 |
|
|
|
484 |
|
|
free (kernel); |
485 |
|
|
free (params); |
486 |
root |
1.77 |
|
487 |
sf-exg |
1.6 |
XRenderFreePicture (dpy, src); |
488 |
|
|
XRenderFreePicture (dpy, dst); |
489 |
sf-exg |
1.22 |
XRenderFreePicture (dpy, tmp); |
490 |
|
|
|
491 |
|
|
return img; |
492 |
sf-exg |
1.6 |
} |
493 |
|
|
|
494 |
root |
1.74 |
static Picture |
495 |
sf-exg |
1.75 |
create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
496 |
root |
1.74 |
{ |
497 |
|
|
Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
498 |
|
|
|
499 |
|
|
XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
500 |
|
|
XRenderPictureAttributes pa; |
501 |
|
|
pa.repeat = RepeatNormal; |
502 |
sf-exg |
1.75 |
pa.component_alpha = component_alpha; |
503 |
|
|
Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
504 |
root |
1.74 |
|
505 |
|
|
XFreePixmap (dpy, pixmap); |
506 |
|
|
|
507 |
|
|
return mask; |
508 |
|
|
} |
509 |
|
|
|
510 |
root |
1.67 |
static void |
511 |
|
|
extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
512 |
|
|
{ |
513 |
|
|
int32_t x = clamp (c, cl0, cl1); |
514 |
|
|
c -= x; |
515 |
|
|
xc = x; |
516 |
|
|
} |
517 |
|
|
|
518 |
|
|
static bool |
519 |
|
|
extract (int32_t cl0, int32_t cl1, int32_t &r, int32_t &g, int32_t &b, int32_t &a, unsigned short &xr, unsigned short &xg, unsigned short &xb, unsigned short &xa) |
520 |
|
|
{ |
521 |
|
|
extract (cl0, cl1, r, xr); |
522 |
|
|
extract (cl0, cl1, g, xg); |
523 |
|
|
extract (cl0, cl1, b, xb); |
524 |
|
|
extract (cl0, cl1, a, xa); |
525 |
|
|
|
526 |
|
|
return xr | xg | xb | xa; |
527 |
|
|
} |
528 |
|
|
|
529 |
root |
1.3 |
void |
530 |
root |
1.67 |
rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
531 |
root |
1.3 |
{ |
532 |
root |
1.67 |
unshare (); |
533 |
|
|
|
534 |
sf-exg |
1.6 |
Display *dpy = s->display->dpy; |
535 |
|
|
Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
536 |
|
|
|
537 |
root |
1.69 |
// loop should not be needed for brightness, as only -1..1 makes sense |
538 |
root |
1.70 |
//while (r | g | b | a) |
539 |
root |
1.67 |
{ |
540 |
|
|
unsigned short xr, xg, xb, xa; |
541 |
|
|
XRenderColor mask_c; |
542 |
|
|
|
543 |
|
|
if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
544 |
|
|
XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
545 |
|
|
|
546 |
|
|
if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
547 |
|
|
{ |
548 |
|
|
XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
549 |
|
|
XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
550 |
root |
1.70 |
mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
551 |
root |
1.68 |
mask_c.green = -mask_c.green; |
552 |
|
|
mask_c.blue = -mask_c.blue; |
553 |
|
|
mask_c.alpha = -mask_c.alpha; |
554 |
root |
1.67 |
XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
555 |
|
|
XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
556 |
|
|
} |
557 |
|
|
} |
558 |
sf-exg |
1.6 |
|
559 |
sf-exg |
1.23 |
XRenderFreePicture (dpy, dst); |
560 |
root |
1.3 |
} |
561 |
|
|
|
562 |
|
|
void |
563 |
root |
1.67 |
rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
564 |
root |
1.1 |
{ |
565 |
root |
1.74 |
if (r < 0 || g < 0 || b < 0 || a < 0) |
566 |
|
|
rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
567 |
|
|
|
568 |
|
|
rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
569 |
|
|
img->alloc (); |
570 |
root |
1.82 |
img->fill (rgba (0, 0, 0, 0)); |
571 |
root |
1.74 |
|
572 |
|
|
// premultiply (yeah, these are not exact, sue me or fix it) |
573 |
|
|
r = (r * (a >> 8)) >> 8; |
574 |
|
|
g = (g * (a >> 8)) >> 8; |
575 |
|
|
b = (b * (a >> 8)) >> 8; |
576 |
root |
1.67 |
|
577 |
sf-exg |
1.6 |
Display *dpy = s->display->dpy; |
578 |
|
|
|
579 |
root |
1.85 |
Picture src = picture (); |
580 |
root |
1.74 |
Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
581 |
sf-exg |
1.75 |
Picture mul = create_xrender_mask (dpy, pm, True, True); |
582 |
root |
1.74 |
|
583 |
|
|
//TODO: this operator does not yet implement some useful contrast |
584 |
|
|
while (r | g | b | a) |
585 |
|
|
{ |
586 |
|
|
unsigned short xr, xg, xb, xa; |
587 |
|
|
XRenderColor mask_c; |
588 |
|
|
|
589 |
|
|
if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
590 |
|
|
{ |
591 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
592 |
|
|
XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
593 |
|
|
} |
594 |
|
|
} |
595 |
sf-exg |
1.6 |
|
596 |
root |
1.74 |
XRenderFreePicture (dpy, mul); |
597 |
sf-exg |
1.23 |
XRenderFreePicture (dpy, dst); |
598 |
root |
1.74 |
XRenderFreePicture (dpy, src); |
599 |
|
|
|
600 |
|
|
::swap (img->ref, ref); |
601 |
|
|
::swap (img->pm , pm ); |
602 |
|
|
|
603 |
|
|
delete img; |
604 |
root |
1.1 |
} |
605 |
|
|
|
606 |
root |
1.85 |
void |
607 |
|
|
rxvt_img::draw (rxvt_img *img, int op, nv mask) |
608 |
|
|
{ |
609 |
|
|
unshare (); |
610 |
|
|
|
611 |
|
|
Display *dpy = s->display->dpy; |
612 |
|
|
Picture src = img->picture (); |
613 |
|
|
Picture dst = picture (); |
614 |
|
|
Picture mask_p = 0; |
615 |
|
|
|
616 |
|
|
if (mask != 1.) |
617 |
|
|
{ |
618 |
|
|
mask_p = create_xrender_mask (dpy, img->pm, False, False); |
619 |
|
|
XRenderColor mask_c = { 0, 0, 0, float_to_component (mask) }; |
620 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
621 |
|
|
} |
622 |
|
|
|
623 |
|
|
XRenderComposite (dpy, op, src, mask_p, dst, x - img->x, y - img->y, 0, 0, 0, 0, w, h); |
624 |
|
|
|
625 |
|
|
XRenderFreePicture (dpy, src); |
626 |
|
|
XRenderFreePicture (dpy, dst); |
627 |
|
|
|
628 |
root |
1.86 |
if (mask_p) |
629 |
root |
1.85 |
XRenderFreePicture (dpy, mask_p); |
630 |
|
|
} |
631 |
|
|
|
632 |
root |
1.3 |
rxvt_img * |
633 |
root |
1.11 |
rxvt_img::clone () |
634 |
root |
1.3 |
{ |
635 |
root |
1.32 |
return new rxvt_img (*this); |
636 |
root |
1.3 |
} |
637 |
|
|
|
638 |
|
|
rxvt_img * |
639 |
root |
1.33 |
rxvt_img::reify () |
640 |
root |
1.19 |
{ |
641 |
root |
1.35 |
if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
642 |
|
|
return clone (); |
643 |
|
|
|
644 |
root |
1.40 |
Display *dpy = s->display->dpy; |
645 |
|
|
|
646 |
root |
1.62 |
// add an alpha channel if... |
647 |
|
|
bool alpha = !format->direct.alphaMask // pixmap has none yet |
648 |
|
|
&& (x || y) // we need one because of non-zero offset |
649 |
|
|
&& repeat == RepeatNone; // and we have no good pixels to fill with |
650 |
root |
1.40 |
|
651 |
root |
1.46 |
rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
652 |
root |
1.32 |
img->alloc (); |
653 |
root |
1.19 |
|
654 |
root |
1.85 |
Picture src = picture (); |
655 |
root |
1.34 |
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
656 |
root |
1.33 |
|
657 |
root |
1.42 |
if (alpha) |
658 |
|
|
{ |
659 |
|
|
XRenderColor rc = { 0, 0, 0, 0 }; |
660 |
root |
1.44 |
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
661 |
root |
1.86 |
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, x, y, ref->w, ref->h); |
662 |
root |
1.42 |
} |
663 |
|
|
else |
664 |
root |
1.86 |
XRenderComposite (dpy, PictOpSrc, src, None, dst, -x, -y, 0, 0, 0, 0, w, h); |
665 |
root |
1.42 |
|
666 |
root |
1.33 |
XRenderFreePicture (dpy, src); |
667 |
|
|
XRenderFreePicture (dpy, dst); |
668 |
root |
1.19 |
|
669 |
root |
1.33 |
return img; |
670 |
|
|
} |
671 |
root |
1.19 |
|
672 |
root |
1.33 |
rxvt_img * |
673 |
|
|
rxvt_img::sub_rect (int x, int y, int width, int height) |
674 |
|
|
{ |
675 |
|
|
rxvt_img *img = clone (); |
676 |
|
|
|
677 |
root |
1.86 |
img->x -= x; |
678 |
|
|
img->y -= y; |
679 |
root |
1.19 |
|
680 |
root |
1.37 |
if (w != width || h != height) |
681 |
|
|
{ |
682 |
|
|
img->w = width; |
683 |
|
|
img->h = height; |
684 |
|
|
|
685 |
root |
1.39 |
rxvt_img *img2 = img->reify (); |
686 |
|
|
delete img; |
687 |
|
|
img = img2; |
688 |
root |
1.37 |
} |
689 |
root |
1.36 |
|
690 |
root |
1.19 |
return img; |
691 |
|
|
} |
692 |
|
|
|
693 |
|
|
rxvt_img * |
694 |
root |
1.84 |
rxvt_img::transform (nv matrix[3][3]) |
695 |
root |
1.3 |
{ |
696 |
root |
1.80 |
// calculate new pixel bounding box coordinates |
697 |
root |
1.91 |
nv r[2], rmin[2], rmax[2]; |
698 |
root |
1.80 |
|
699 |
root |
1.92 |
mat3x3 m (matrix); |
700 |
|
|
|
701 |
root |
1.80 |
for (int i = 0; i < 2; ++i) |
702 |
|
|
{ |
703 |
root |
1.84 |
nv v; |
704 |
root |
1.90 |
|
705 |
root |
1.92 |
v = m.apply1 (i, 0+x, 0+y); rmin [i] = rmax [i] = v; r [i] = v; |
706 |
|
|
v = m.apply1 (i, w+x, 0+y); min_it (rmin [i], v); max_it (rmax [i], v); |
707 |
|
|
v = m.apply1 (i, 0+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
708 |
|
|
v = m.apply1 (i, w+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
709 |
root |
1.80 |
} |
710 |
|
|
|
711 |
root |
1.91 |
float sx = rmin [0] - x; |
712 |
|
|
float sy = rmin [1] - y; |
713 |
|
|
|
714 |
root |
1.89 |
// TODO: adjust matrix for subpixel accuracy |
715 |
root |
1.91 |
int nx = floor (rmin [0]); |
716 |
|
|
int ny = floor (rmin [1]); |
717 |
|
|
|
718 |
|
|
int new_width = ceil (rmax [0] - rmin [0]); |
719 |
|
|
int new_height = ceil (rmax [1] - rmin [1]); |
720 |
root |
1.80 |
|
721 |
root |
1.92 |
m = mat3x3::translate (-x, -y) * m * mat3x3::translate (x, y); |
722 |
root |
1.80 |
|
723 |
root |
1.92 |
mat3x3 inv = m.invert (); |
724 |
root |
1.80 |
|
725 |
root |
1.91 |
rxvt_img *img = new rxvt_img (s, format, nx, ny, new_width, new_height, repeat); |
726 |
root |
1.32 |
img->alloc (); |
727 |
root |
1.12 |
|
728 |
|
|
Display *dpy = s->display->dpy; |
729 |
root |
1.85 |
Picture src = picture (); |
730 |
root |
1.34 |
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
731 |
root |
1.12 |
|
732 |
|
|
XTransform xfrm; |
733 |
|
|
|
734 |
|
|
for (int i = 0; i < 3; ++i) |
735 |
|
|
for (int j = 0; j < 3; ++j) |
736 |
root |
1.80 |
xfrm.matrix [i][j] = XDoubleToFixed (inv [i][j]); |
737 |
root |
1.33 |
|
738 |
root |
1.17 |
XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
739 |
root |
1.12 |
XRenderSetPictureTransform (dpy, src, &xfrm); |
740 |
root |
1.91 |
XRenderComposite (dpy, PictOpSrc, src, None, dst, sx, sy, 0, 0, 0, 0, new_width, new_height); |
741 |
|
|
#if 1 |
742 |
|
|
{ |
743 |
|
|
XRenderColor rc = { 65535,0,0,65535 }; |
744 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, new_width, new_height); |
745 |
|
|
}{ |
746 |
|
|
XRenderColor rc = { 0,0,0,65535 }; |
747 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 1, 1, new_width - 2, new_height - 2); |
748 |
|
|
} |
749 |
|
|
XRenderComposite (dpy, PictOpOver, src, None, dst, sx, sy, 0, 0, 0, 0, new_width, new_height); |
750 |
|
|
#endif |
751 |
root |
1.12 |
|
752 |
|
|
XRenderFreePicture (dpy, src); |
753 |
|
|
XRenderFreePicture (dpy, dst); |
754 |
|
|
|
755 |
|
|
return img; |
756 |
root |
1.3 |
} |
757 |
|
|
|
758 |
|
|
rxvt_img * |
759 |
|
|
rxvt_img::scale (int new_width, int new_height) |
760 |
|
|
{ |
761 |
sf-exg |
1.43 |
if (w == new_width && h == new_height) |
762 |
|
|
return clone (); |
763 |
|
|
|
764 |
root |
1.84 |
nv matrix[3][3] = { |
765 |
|
|
{ new_width / (nv)w, 0, 0 }, |
766 |
|
|
{ 0, new_height / (nv)h, 0 }, |
767 |
|
|
{ 0, 0, 1 } |
768 |
root |
1.11 |
}; |
769 |
|
|
|
770 |
root |
1.42 |
int old_repeat_mode = repeat; |
771 |
sf-exg |
1.78 |
repeat = RepeatPad; // not right, but xrender can't properly scale it seems |
772 |
root |
1.42 |
|
773 |
root |
1.80 |
rxvt_img *img = transform (matrix); |
774 |
root |
1.42 |
|
775 |
|
|
repeat = old_repeat_mode; |
776 |
|
|
img->repeat = repeat; |
777 |
|
|
|
778 |
|
|
return img; |
779 |
root |
1.3 |
} |
780 |
|
|
|
781 |
sf-exg |
1.7 |
rxvt_img * |
782 |
root |
1.84 |
rxvt_img::rotate (int cx, int cy, nv phi) |
783 |
root |
1.17 |
{ |
784 |
root |
1.84 |
nv s = sin (phi); |
785 |
|
|
nv c = cos (phi); |
786 |
root |
1.17 |
|
787 |
root |
1.84 |
nv matrix[3][3] = { |
788 |
root |
1.91 |
#if 0 |
789 |
|
|
{ c, -s, cx - c * cx + s * cy }, |
790 |
root |
1.81 |
{ s, c, cy - s * cx - c * cy }, |
791 |
root |
1.91 |
{ 0, 0, 1 } |
792 |
|
|
#else |
793 |
|
|
{ c, -s, 0 }, |
794 |
|
|
{ s, c, 0 }, |
795 |
|
|
{ 0, 0, 1 } |
796 |
|
|
#endif |
797 |
root |
1.17 |
}; |
798 |
|
|
|
799 |
root |
1.91 |
move (-cx, -cy); |
800 |
root |
1.80 |
rxvt_img *img = transform (matrix); |
801 |
root |
1.91 |
move ( cx, cy); |
802 |
|
|
img->move (cx, cy); |
803 |
root |
1.80 |
|
804 |
|
|
return img; |
805 |
root |
1.17 |
} |
806 |
|
|
|
807 |
|
|
rxvt_img * |
808 |
root |
1.82 |
rxvt_img::convert_format (XRenderPictFormat *new_format, const rgba &bg) |
809 |
sf-exg |
1.7 |
{ |
810 |
root |
1.32 |
if (new_format == format) |
811 |
|
|
return clone (); |
812 |
|
|
|
813 |
root |
1.45 |
rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
814 |
root |
1.32 |
img->alloc (); |
815 |
root |
1.9 |
|
816 |
sf-exg |
1.7 |
Display *dpy = s->display->dpy; |
817 |
root |
1.85 |
Picture src = picture (); |
818 |
root |
1.8 |
Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
819 |
root |
1.27 |
int op = PictOpSrc; |
820 |
sf-exg |
1.7 |
|
821 |
root |
1.29 |
if (format->direct.alphaMask && !new_format->direct.alphaMask) |
822 |
root |
1.27 |
{ |
823 |
|
|
// does it have to be that complicated |
824 |
root |
1.82 |
XRenderColor rc = { bg.r, bg.g, bg.b, bg.a }; |
825 |
root |
1.28 |
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
826 |
root |
1.27 |
|
827 |
|
|
op = PictOpOver; |
828 |
|
|
} |
829 |
|
|
|
830 |
|
|
XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
831 |
sf-exg |
1.7 |
|
832 |
|
|
XRenderFreePicture (dpy, src); |
833 |
|
|
XRenderFreePicture (dpy, dst); |
834 |
|
|
|
835 |
|
|
return img; |
836 |
|
|
} |
837 |
root |
1.3 |
|
838 |
sf-exg |
1.24 |
rxvt_img * |
839 |
root |
1.84 |
rxvt_img::blend (rxvt_img *img, nv factor) |
840 |
sf-exg |
1.24 |
{ |
841 |
|
|
rxvt_img *img2 = clone (); |
842 |
|
|
Display *dpy = s->display->dpy; |
843 |
root |
1.85 |
Picture src = img->picture (); |
844 |
sf-exg |
1.24 |
Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
845 |
sf-exg |
1.75 |
Picture mask = create_xrender_mask (dpy, img->pm, False, False); |
846 |
sf-exg |
1.24 |
|
847 |
|
|
XRenderColor mask_c; |
848 |
|
|
|
849 |
|
|
mask_c.alpha = float_to_component (factor); |
850 |
|
|
mask_c.red = |
851 |
|
|
mask_c.green = |
852 |
|
|
mask_c.blue = 0; |
853 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
854 |
|
|
|
855 |
|
|
XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
856 |
|
|
|
857 |
|
|
XRenderFreePicture (dpy, src); |
858 |
|
|
XRenderFreePicture (dpy, dst); |
859 |
|
|
XRenderFreePicture (dpy, mask); |
860 |
|
|
|
861 |
|
|
return img2; |
862 |
|
|
} |
863 |
|
|
|
864 |
root |
1.1 |
#endif |
865 |
|
|
|