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-rw-r--r--src/xrender/cdxrender.c1139
-rw-r--r--src/xrender/cdxrplus.c26
2 files changed, 1165 insertions, 0 deletions
diff --git a/src/xrender/cdxrender.c b/src/xrender/cdxrender.c
new file mode 100644
index 0000000..98f65aa
--- /dev/null
+++ b/src/xrender/cdxrender.c
@@ -0,0 +1,1139 @@
+/** file
+ * brief XRender Base Driver
+ *
+ * See Copyright Notice in cd.h
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+#include <math.h>
+
+#include <X11/Xft/Xft.h>
+#include <X11/extensions/Xrender.h>
+
+#include "cdx11.h"
+#include "cddbuf.h"
+#include "cdimage.h"
+#include "cdnative.h"
+#include "truetype.h"
+#include "sim.h"
+
+#include <X11/Xproto.h>
+
+#define NUM_HATCHES 6
+static unsigned char hatches[NUM_HATCHES][8] = {
+ {0x00,0x00,0xFF,0x00,0x00,0x00,0xFF,0x00}, /* HORIZONTAL */
+ {0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22}, /* VERTICAL */
+ {0x08,0x10,0x20,0x40,0x80,0x01,0x02,0x04}, /* FDIAGONAL */
+ {0x10,0x08,0x04,0x02,0x01,0x80,0x40,0x20}, /* BDIAGONAL */
+ {0x22,0x22,0xFF,0x22,0x22,0x22,0xFF,0x22}, /* CROSS */
+ {0x18,0x18,0x24,0x42,0x81,0x81,0x42,0x24} /* DIAGCROSS */
+};
+
+struct _cdxContextPlus
+{
+ XftDraw* draw;
+ Picture solid_pic, pattern_pic, fill_picture, dst_picture;
+ XftFont *font,
+ *flat_font; /* used only for text size when orientation!=0 */
+ XRenderPictFormat* maskFormat;
+
+ int antialias;
+
+#if (RENDER_MAJOR>0 || RENDER_MINOR>=10)
+ XLinearGradient linegradient;
+ Picture linegradient_pic;
+#endif
+
+ void (*cxKillCanvas)(cdCtxCanvas* ctxcanvas);
+};
+
+
+static void xrInitColor(XRenderColor *rendercolor, long color)
+{
+ rendercolor->red = cdCOLOR8TO16(cdRed(color));
+ rendercolor->green = cdCOLOR8TO16(cdGreen(color));
+ rendercolor->blue = cdCOLOR8TO16(cdBlue(color));
+ rendercolor->alpha = cdCOLOR8TO16(cdAlpha(color));
+}
+
+static void xrPolyFill(cdCtxCanvas* ctxcanvas, XPointDouble* fpoly, int n)
+{
+ XRenderCompositeDoublePoly(ctxcanvas->dpy, PictOpOver, ctxcanvas->ctxplus->fill_picture,
+ ctxcanvas->ctxplus->dst_picture, ctxcanvas->ctxplus->maskFormat, 0, 0, 0, 0,
+ fpoly, n, ctxcanvas->canvas->fill_mode==CD_EVENODD?EvenOddRule:WindingRule);
+}
+
+static void xrLine(cdCtxCanvas *ctxcanvas, XPointDouble* fpoly)
+{
+ XRenderCompositeDoublePoly(ctxcanvas->dpy, PictOpOver, ctxcanvas->ctxplus->solid_pic,
+ ctxcanvas->ctxplus->dst_picture, ctxcanvas->ctxplus->maskFormat, 0, 0, 0, 0,
+ fpoly, 4, 0);
+}
+
+static void xrSetClipMask(cdCtxCanvas* ctxcanvas, Pixmap clip_mask)
+{
+ XRenderPictureAttributes pa;
+ pa.clip_mask = clip_mask;
+ XRenderChangePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->dst_picture, CPClipMask, &pa);
+}
+
+static void xrSetClipArea(cdCtxCanvas* ctxcanvas)
+{
+ cdRect* clip_rect = &ctxcanvas->canvas->clip_rect;
+ XRectangle rect;
+ rect.x = (short)clip_rect->xmin;
+ rect.y = (short)clip_rect->ymin;
+ rect.width = (unsigned short)(clip_rect->xmax - clip_rect->xmin + 1);
+ rect.height = (unsigned short)(clip_rect->ymax - clip_rect->ymin + 1);
+ XRenderSetPictureClipRectangles(ctxcanvas->dpy, ctxcanvas->ctxplus->dst_picture, 0, 0, &rect, 1);
+}
+
+static int cdclip(cdCtxCanvas *ctxcanvas, int clip_mode)
+{
+ switch (clip_mode)
+ {
+ case CD_CLIPOFF:
+ xrSetClipMask(ctxcanvas, None);
+ break;
+ case CD_CLIPAREA:
+ xrSetClipArea(ctxcanvas);
+ break;
+ case CD_CLIPPOLYGON:
+ if (ctxcanvas->clip_polygon)
+ xrSetClipMask(ctxcanvas, ctxcanvas->clip_polygon);
+ break;
+ case CD_CLIPREGION:
+ if (ctxcanvas->new_region)
+ xrSetClipMask(ctxcanvas, ctxcanvas->new_region);
+ break;
+ }
+
+ /* call original method, to set the clipping for the PutImage* methods */
+ cdxClip(ctxcanvas, clip_mode);
+
+ return clip_mode;
+}
+
+static void cdcliparea(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
+{
+ if (ctxcanvas->canvas->clip_mode == CD_CLIPAREA)
+ {
+ ctxcanvas->canvas->clip_rect.xmin = xmin;
+ ctxcanvas->canvas->clip_rect.ymin = ymin;
+ ctxcanvas->canvas->clip_rect.xmax = xmax;
+ ctxcanvas->canvas->clip_rect.ymax = ymax;
+ cdclip(ctxcanvas, CD_CLIPAREA);
+ }
+}
+
+static void cdfline(cdCtxCanvas *ctxcanvas, double x1, double y1, double x2, double y2)
+{
+ int ix1, ix2, iy1, iy2;
+
+#ifndef CD_XRENDER_MATRIX
+ if (ctxcanvas->canvas->use_matrix)
+ {
+ cdfMatrixTransformPoint(ctxcanvas->xmatrix, x1, y1, &x1, &y1);
+ cdfMatrixTransformPoint(ctxcanvas->xmatrix, x2, y2, &x2, &y2);
+ }
+#endif
+
+ ix1 = _cdRound(x1);
+ ix2 = _cdRound(x2);
+ iy1 = _cdRound(y1);
+ iy2 = _cdRound(y2);
+ if ((ctxcanvas->canvas->line_width == 1) &&
+ ((ix1 == ix2 && ix1==x1) || (iy1 == iy2 && iy1==y1)))
+ {
+ XRenderColor rendercolor;
+ xrInitColor(&rendercolor, ctxcanvas->canvas->foreground);
+ if (ix2 < ix1) _cdSwapInt(ix2, ix1);
+ if (iy2 < iy1) _cdSwapInt(iy2, iy1);
+ XRenderFillRectangle(ctxcanvas->dpy, PictOpSrc, ctxcanvas->ctxplus->dst_picture, &rendercolor, ix1, iy1, ix2-ix1+1, iy2-iy1+1);
+ }
+ else
+ {
+ double half_width = ctxcanvas->canvas->line_width/2.0;
+ XPointDouble fpoly[4];
+
+ /* XRender does not have a function to draw lines.
+ So we have to draw a poligon that covers the line area. */
+
+ double dx = x2-x1;
+ double dy = y2-y1;
+ double d = half_width/hypot(dx, dy);
+ double dnx = d*dx;
+ double dny = d*dy;
+
+ fpoly[0].x = x1 + dny;
+ fpoly[0].y = y1 - dnx;
+ fpoly[1].x = x1 - dny;
+ fpoly[1].y = y1 + dnx;
+ fpoly[2].x = fpoly[1].x + dx;
+ fpoly[2].y = fpoly[1].y + dy;
+ fpoly[3].x = fpoly[0].x + dx;
+ fpoly[3].y = fpoly[0].y + dy;
+
+ xrLine(ctxcanvas, fpoly);
+ }
+}
+
+static void cdline(cdCtxCanvas *ctxcanvas, int x1, int y1, int x2, int y2)
+{
+ cdfline(ctxcanvas, (double)x1, (double)y1, (double)x2, (double)y2);
+}
+
+static void cdrect(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
+{
+ cdfSimRect(ctxcanvas, (double)xmin, (double)xmax, (double)ymin, (double)ymax);
+}
+
+static void cdbox(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
+{
+ cdfSimBox(ctxcanvas, (double)xmin, (double)xmax, (double)ymin, (double)ymax);
+}
+
+static void xrFixAngles(cdCtxCanvas *ctxcanvas, double *angle1, double *angle2)
+{
+ if (ctxcanvas->canvas->invert_yaxis)
+ {
+ double temp = 360 - *angle1;
+ *angle1 = 360 - *angle2;
+ *angle2 = temp;
+ }
+}
+
+static void cdarc(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
+{
+ xrFixAngles(ctxcanvas, &a1, &a2);
+ cdfSimArc(ctxcanvas, (double)xc, (double)yc, (double)w, (double)h, a1, a2);
+}
+
+static void cdfarc(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
+{
+ xrFixAngles(ctxcanvas, &a1, &a2);
+ cdfSimArc(ctxcanvas, xc, yc, w, h, a1, a2);
+}
+
+static void cdfsector(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
+{
+ xrFixAngles(ctxcanvas, &a1, &a2);
+ cdfSimElipse(ctxcanvas, xc, yc, w, h, a1, a2, 1);
+}
+
+static void cdsector(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
+{
+ xrFixAngles(ctxcanvas, &a1, &a2);
+ cdfSimElipse(ctxcanvas, (double)xc, (double)yc, (double)w, (double)h, a1, a2, 1);
+}
+
+static void cdfchord(cdCtxCanvas *ctxcanvas, double xc, double yc, double w, double h, double a1, double a2)
+{
+ xrFixAngles(ctxcanvas, &a1, &a2);
+ cdfSimElipse(ctxcanvas, xc, yc, w, h, a1, a2, 0);
+}
+
+static void cdchord(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
+{
+ xrFixAngles(ctxcanvas, &a1, &a2);
+ cdfSimElipse(ctxcanvas, (double)xc, (double)yc, (double)w, (double)h, a1, a2, 0);
+}
+
+static void cdfpoly(cdCtxCanvas* ctxcanvas, int mode, cdfPoint* fpoly, int n)
+{
+ int i;
+
+ switch(mode)
+ {
+ case CD_CLOSED_LINES:
+ fpoly[n] = fpoly[0];
+ n++;
+ /* continue */
+ case CD_OPEN_LINES:
+ for (i = 0; i< n - 1; i++)
+ cdfline(ctxcanvas, fpoly[i].x, fpoly[i].y, fpoly[i+1].x, fpoly[i+1].y);
+ break;
+ case CD_BEZIER:
+ cdfSimPolyBezier(ctxcanvas->canvas, fpoly, n);
+ break;
+ case CD_FILL:
+ {
+ if (ctxcanvas->canvas->new_region)
+ {
+ cdPoint* poly = malloc(sizeof(cdPoint)*n);
+
+ for (i = 0; i<n; i++)
+ {
+ poly[i].x = _cdRound(fpoly[i].x);
+ poly[i].y = _cdRound(fpoly[i].y);
+ }
+
+ cdxPoly(ctxcanvas, CD_FILL, poly, n);
+
+ free(poly);
+ }
+ else
+ {
+ XPointDouble* poly = malloc(sizeof(XPointDouble)*n);
+
+ for (i = 0; i<n; i++)
+ {
+ poly[i].x = fpoly[i].x;
+ poly[i].y = fpoly[i].y;
+
+#ifndef CD_XRENDER_MATRIX
+ if (ctxcanvas->canvas->use_matrix)
+ cdfMatrixTransformPoint(ctxcanvas->xmatrix, poly[i].x, poly[i].y, &poly[i].x, &poly[i].y);
+#endif
+ }
+
+ xrPolyFill(ctxcanvas, poly, n);
+
+ free(poly);
+ }
+ }
+ break;
+ case CD_CLIP:
+ {
+ cdPoint* poly = malloc(sizeof(cdPoint)*n);
+
+ for (i = 0; i<n; i++)
+ {
+ poly[i].x = _cdRound(fpoly[i].x);
+ poly[i].y = _cdRound(fpoly[i].y);
+ }
+
+ cdxPoly(ctxcanvas, CD_CLIP, poly, n);
+
+ free(poly);
+ if (ctxcanvas->canvas->clip_mode == CD_CLIPPOLYGON) cdclip(ctxcanvas, CD_CLIPPOLYGON);
+ }
+ break;
+ }
+}
+
+static void cdpoly(cdCtxCanvas* ctxcanvas, int mode, cdPoint* poly, int n)
+{
+ int i;
+
+ switch(mode)
+ {
+ case CD_CLOSED_LINES:
+ poly[n] = poly[0];
+ n++;
+ /* continue */
+ case CD_OPEN_LINES:
+ for (i = 0; i<n-1; i++)
+ cdfline(ctxcanvas, (int)poly[i].x, (int)poly[i].y, (int)poly[i+1].x, (int)poly[i+1].y);
+ break;
+ case CD_BEZIER:
+ {
+ cdfPoint* fpoly = malloc(sizeof(cdfPoint)*n);
+
+ for (i = 0; i<n; i++)
+ {
+ fpoly[i].x = (double)poly[i].x;
+ fpoly[i].y = (double)poly[i].y;
+ }
+
+ cdfSimPolyBezier(ctxcanvas->canvas, fpoly, n);
+
+ free(fpoly);
+ }
+ break;
+ case CD_FILL:
+ {
+ if (ctxcanvas->canvas->new_region)
+ {
+ cdxPoly(ctxcanvas, CD_FILL, poly, n);
+ }
+ else
+ {
+ XPointDouble* fpoly = malloc(sizeof(XPointDouble)*n);
+
+ for (i = 0; i<n; i++)
+ {
+ fpoly[i].x = (double)poly[i].x;
+ fpoly[i].y = (double)poly[i].y;
+
+#ifndef CD_XRENDER_MATRIX
+ if (ctxcanvas->canvas->use_matrix)
+ cdfMatrixTransformPoint(ctxcanvas->xmatrix, fpoly[i].x, fpoly[i].y, &fpoly[i].x, &fpoly[i].y);
+#endif
+ }
+
+ xrPolyFill(ctxcanvas, fpoly, n);
+
+ free(fpoly);
+ }
+ }
+ break;
+ case CD_CLIP:
+ cdxPoly(ctxcanvas, CD_CLIP, poly, n);
+ if (ctxcanvas->canvas->clip_mode == CD_CLIPPOLYGON) cdclip(ctxcanvas, CD_CLIPPOLYGON);
+ break;
+ }
+}
+
+static void cdtransform(cdCtxCanvas *ctxcanvas, const double* matrix)
+{
+#ifndef CD_XRENDER_MATRIX
+ if (matrix)
+ {
+ /* configure a bottom-up coordinate system */
+ ctxcanvas->xmatrix[0] = 1;
+ ctxcanvas->xmatrix[1] = 0;
+ ctxcanvas->xmatrix[2] = 0;
+ ctxcanvas->xmatrix[3] = -1;
+ ctxcanvas->xmatrix[4] = 0;
+ ctxcanvas->xmatrix[5] = (ctxcanvas->canvas->h-1);
+ cdMatrixMultiply(matrix, ctxcanvas->xmatrix);
+
+ ctxcanvas->canvas->invert_yaxis = 0;
+ }
+ else
+ {
+ ctxcanvas->canvas->invert_yaxis = 1;
+ }
+#else
+ XTransform transform;
+ double identity[6] = {1, 0, 0, 1, 0, 0};
+
+ if (!matrix)
+ matrix = &identity[0];
+
+ transform.matrix[0][0] = XDoubleToFixed(matrix[0]); /* |m0 m2 m4| |00 01 02| */
+ transform.matrix[0][1] = XDoubleToFixed(matrix[2]); /* |m1 m3 m5| = |10 11 12| */
+ transform.matrix[0][2] = XDoubleToFixed(matrix[4]); /* |0 0 1| |20 21 22| */
+ transform.matrix[1][0] = XDoubleToFixed(matrix[1]);
+ transform.matrix[1][1] = XDoubleToFixed(matrix[3]);
+ transform.matrix[1][2] = XDoubleToFixed(matrix[5]);
+ transform.matrix[2][0] = XDoubleToFixed(0);
+ transform.matrix[2][1] = XDoubleToFixed(0);
+ transform.matrix[2][2] = XDoubleToFixed(1);
+
+ /* TODO: This is not working. It gives a BadPicture error */
+ XRenderSetPictureTransform(ctxcanvas->dpy, ctxcanvas->ctxplus->dst_picture, &transform);
+#endif
+}
+
+static int cdinteriorstyle(cdCtxCanvas *ctxcanvas, int style)
+{
+ switch (style)
+ {
+ case CD_SOLID:
+ if (!ctxcanvas->ctxplus->solid_pic)
+ return ctxcanvas->canvas->interior_style;
+ ctxcanvas->ctxplus->fill_picture = ctxcanvas->ctxplus->solid_pic;
+ break;
+ case CD_HATCH:
+ case CD_STIPPLE:
+ case CD_PATTERN:
+ if (!ctxcanvas->ctxplus->pattern_pic)
+ return ctxcanvas->canvas->interior_style;
+ ctxcanvas->ctxplus->fill_picture = ctxcanvas->ctxplus->pattern_pic;
+ break;
+ }
+ return style;
+}
+
+static void cdpattern(cdCtxCanvas *ctxcanvas, int w, int h, const long int *colors)
+{
+ int x, y;
+ Pixmap pixmap;
+ XRenderPictureAttributes pa;
+ XRenderPictFormat* format;
+
+ if (ctxcanvas->ctxplus->pattern_pic)
+ XRenderFreePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->pattern_pic);
+
+ format = XRenderFindStandardFormat(ctxcanvas->dpy, PictStandardARGB32);
+ pixmap = XCreatePixmap(ctxcanvas->dpy, DefaultRootWindow(ctxcanvas->dpy), w, h, format->depth);
+ pa.repeat = 1;
+ ctxcanvas->ctxplus->pattern_pic = XRenderCreatePicture(ctxcanvas->dpy, pixmap, format, CPRepeat, &pa);
+
+ for (y=0; y<h; y++)
+ {
+ for (x=0; x<w; x++)
+ {
+ XRenderColor rendercolor;
+ xrInitColor(&rendercolor, colors[y*w+x]);
+ XRenderFillRectangle(ctxcanvas->dpy, PictOpSrc, ctxcanvas->ctxplus->pattern_pic, &rendercolor, x, h-y-1, 1, 1);
+ }
+ }
+
+ cdinteriorstyle(ctxcanvas, CD_PATTERN);
+}
+
+static void cdstipple(cdCtxCanvas *ctxcanvas, int w, int h, const unsigned char *data)
+{
+ int x, y, i;
+ long transparent = cdEncodeAlpha(0, 0);
+ long int *colors = malloc(sizeof(long)*w*h);
+
+ for (y=0; y<h; y++)
+ {
+ for (x=0; x<w; x++)
+ {
+ i = y*w+x;
+ if (ctxcanvas->canvas->back_opacity == CD_OPAQUE)
+ {
+ if (data[i])
+ colors[i] = ctxcanvas->canvas->foreground;
+ else
+ colors[i] = ctxcanvas->canvas->background;
+ }
+ else
+ {
+ if (data[i])
+ colors[i] = ctxcanvas->canvas->foreground;
+ else
+ colors[i] = transparent;
+ }
+ }
+ }
+
+ cdpattern(ctxcanvas, w, h, colors);
+ free(colors);
+}
+
+static int cdhatch(cdCtxCanvas *ctxcanvas, int hatch_style)
+{
+ int y;
+ unsigned char data[8*8];
+ unsigned char *hatch = hatches[hatch_style];
+
+ for (y=0; y<8; y++)
+ {
+ int i = y*8;
+ unsigned char c = hatch[y];
+ data[i+7] = (c&0x01)>>0;
+ data[i+6] = (c&0x02)>>1;
+ data[i+5] = (c&0x04)>>2;
+ data[i+4] = (c&0x08)>>3;
+ data[i+3] = (c&0x10)>>4;
+ data[i+2] = (c&0x20)>>5;
+ data[i+1] = (c&0x40)>>6;
+ data[i+0] = (c&0x80)>>7;
+ }
+
+ cdstipple(ctxcanvas, 8, 8, data);
+ return hatch_style;
+}
+
+static int cdbackopacity(cdCtxCanvas *ctxcanvas, int back_opacity)
+{
+ ctxcanvas->canvas->back_opacity = back_opacity;
+ if (ctxcanvas->canvas->interior_style == CD_STIPPLE)
+ cdstipple(ctxcanvas, ctxcanvas->canvas->stipple_w, ctxcanvas->canvas->stipple_h, ctxcanvas->canvas->stipple);
+ else if (ctxcanvas->canvas->interior_style == CD_HATCH)
+ cdhatch(ctxcanvas, ctxcanvas->canvas->hatch_style);
+ return back_opacity;
+}
+
+static void cdclear(cdCtxCanvas* ctxcanvas)
+{
+ XRenderColor rendercolor;
+ xrInitColor(&rendercolor, ctxcanvas->canvas->background);
+ XRenderFillRectangle(ctxcanvas->dpy, PictOpSrc, ctxcanvas->ctxplus->dst_picture, &rendercolor, 0, 0, ctxcanvas->canvas->w, ctxcanvas->canvas->h);
+}
+
+static void cdpixel(cdCtxCanvas *ctxcanvas, int x, int y, long int color)
+{
+ XRenderColor rendercolor;
+ xrInitColor(&rendercolor, color);
+ XRenderFillRectangle(ctxcanvas->dpy, PictOpSrc, ctxcanvas->ctxplus->dst_picture, &rendercolor, x, y, 1, 1);
+}
+
+#if (RENDER_MAJOR==0 && RENDER_MINOR<10)
+static Picture XRenderCreateSolidFill(Display *dpy, const XRenderColor *color)
+{
+ Picture pict;
+ XRenderPictureAttributes pa;
+ XRenderPictFormat* format = XRenderFindStandardFormat(dpy, PictStandardARGB32);
+ Pixmap pix = XCreatePixmap(dpy, DefaultRootWindow(dpy), 1, 1, format->depth);
+ pa.repeat = True;
+ pict = XRenderCreatePicture(dpy, pix, format, CPRepeat, &pa);
+ XFreePixmap(dpy, pix);
+
+ XRenderFillRectangle(dpy, PictOpSrc, pict, color, 0, 0, 1, 1);
+ return pict;
+}
+#endif
+
+static long int cdforeground(cdCtxCanvas *ctxcanvas, long int color)
+{
+ XRenderPictureAttributes pa;
+ XRenderColor rendercolor;
+ xrInitColor(&rendercolor, color);
+ if (ctxcanvas->ctxplus->solid_pic)
+ XRenderFreePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->solid_pic);
+ ctxcanvas->ctxplus->solid_pic = XRenderCreateSolidFill(ctxcanvas->dpy, &rendercolor);
+ pa.repeat = 1;
+ XRenderChangePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->solid_pic, CPRepeat, &pa);
+ if (ctxcanvas->canvas->interior_style == CD_STIPPLE)
+ cdstipple(ctxcanvas, ctxcanvas->canvas->stipple_w, ctxcanvas->canvas->stipple_h, ctxcanvas->canvas->stipple);
+ else if (ctxcanvas->canvas->interior_style == CD_HATCH)
+ cdhatch(ctxcanvas, ctxcanvas->canvas->hatch_style);
+ else if (ctxcanvas->canvas->interior_style == CD_SOLID)
+ cdinteriorstyle(ctxcanvas, CD_SOLID);
+ return color;
+}
+
+static long int cdbackground(cdCtxCanvas *ctxcanvas, long int color)
+{
+ if (ctxcanvas->canvas->back_opacity == CD_OPAQUE)
+ {
+ if (ctxcanvas->canvas->interior_style == CD_STIPPLE)
+ cdstipple(ctxcanvas, ctxcanvas->canvas->stipple_w, ctxcanvas->canvas->stipple_h, ctxcanvas->canvas->stipple);
+ else if (ctxcanvas->canvas->interior_style == CD_HATCH)
+ cdhatch(ctxcanvas, ctxcanvas->canvas->hatch_style);
+ }
+ return color;
+}
+
+static int cdfont(cdCtxCanvas *ctxcanvas, const char *type_face, int style, int size)
+{
+ char font_name[1024];
+ XftFont *font;
+ char matrix[200] = "";
+
+ /* no underline or strikeout support */
+
+ static char* type_style[] =
+ {
+ "", /* CD_PLAIN */
+ ":bold", /* CD_BOLD */
+ ":slant=italic,oblique", /* CD_ITALIC */
+ ":bold:slant=italic,oblique" /* CD_BOLD_ITALIC */
+ };
+
+ if (cdStrEqualNoCase(type_face, "Fixed") || cdStrEqualNoCase(type_face, "System"))
+ type_face = "monospace";
+ else if (cdStrEqualNoCase(type_face, "Courier") || cdStrEqualNoCase(type_face, "Courier New"))
+ type_face = "monospace";
+ else if (cdStrEqualNoCase(type_face, "Times") || cdStrEqualNoCase(type_face, "Times New Roman"))
+ type_face = "serif";
+ else if (cdStrEqualNoCase(type_face, "Helvetica") || cdStrEqualNoCase(type_face, "Arial"))
+ type_face = "sans";
+
+ if (ctxcanvas->canvas->text_orientation)
+ {
+ double angle = CD_DEG2RAD*ctxcanvas->canvas->text_orientation;
+ double cos_angle = cos(angle);
+ double sin_angle = sin(angle);
+
+ sprintf(matrix,":matrix=%f %f %f %f", cos_angle, -sin_angle, sin_angle, cos_angle);
+ }
+
+ size = cdGetFontSizePoints(ctxcanvas->canvas, size);
+
+ sprintf(font_name,"%s-%d%s%s", type_face, size, type_style[style&3], matrix);
+ font = XftFontOpenName(ctxcanvas->dpy, ctxcanvas->scr, font_name);
+ if (!font)
+ return 0;
+
+ if (ctxcanvas->ctxplus->font)
+ XftFontClose(ctxcanvas->dpy, ctxcanvas->ctxplus->font);
+
+ if (ctxcanvas->canvas->text_orientation)
+ {
+ /* XftTextExtents8 will return the size of the rotated text, but we want the size without orientation.
+ So create a font without orientation just to return the correct text size. */
+
+ if (ctxcanvas->ctxplus->flat_font)
+ XftFontClose(ctxcanvas->dpy, ctxcanvas->ctxplus->flat_font);
+
+ sprintf(font_name,"%s-%d%s", type_face, size, type_style[style&3]);
+ ctxcanvas->ctxplus->flat_font = XftFontOpenName(ctxcanvas->dpy, ctxcanvas->scr, font_name);
+ }
+
+ ctxcanvas->ctxplus->font = font;
+
+ return 1;
+}
+
+static int cdnativefont(cdCtxCanvas *ctxcanvas, const char* nativefont)
+{
+ int size = 12, style = CD_PLAIN;
+ char type_face[1024];
+
+ if (nativefont[0] == '-')
+ {
+ XftFont *font = XftFontOpenXlfd(ctxcanvas->dpy, ctxcanvas->scr, nativefont);
+ if (!font)
+ return 0;
+
+ if (!cdParseXWinFont(nativefont, type_face, &style, &size))
+ {
+ XftFontClose(ctxcanvas->dpy, font);
+ return 0;
+ }
+
+ if (ctxcanvas->ctxplus->font)
+ XftFontClose(ctxcanvas->dpy, ctxcanvas->ctxplus->font);
+
+ ctxcanvas->canvas->text_orientation = 0; /* orientation not supported when using XLFD */
+
+ ctxcanvas->ctxplus->font = font;
+ }
+ else
+ {
+ if (!cdParsePangoFont(nativefont, type_face, &style, &size))
+ return 0;
+
+ if (!cdfont(ctxcanvas, type_face, style, size))
+ return 0;
+ }
+
+ /* update cdfont parameters */
+ ctxcanvas->canvas->font_style = style;
+ ctxcanvas->canvas->font_size = size;
+ strcpy(ctxcanvas->canvas->font_type_face, type_face);
+
+ return 1;
+}
+
+static double cdtextorientation(cdCtxCanvas *ctxcanvas, double angle)
+{
+ /* must recriate the font if orientation changes */
+ ctxcanvas->canvas->text_orientation = angle;
+ cdfont(ctxcanvas, ctxcanvas->canvas->font_type_face, ctxcanvas->canvas->font_style, ctxcanvas->canvas->font_size);
+ return angle;
+}
+
+static void cdgetfontdim(cdCtxCanvas *ctxcanvas, int *max_width, int *height, int *ascent, int *descent)
+{
+ if (!ctxcanvas->ctxplus->font)
+ return;
+
+ if (max_width) *max_width = ctxcanvas->ctxplus->font->max_advance_width;
+ if (height) *height = ctxcanvas->ctxplus->font->ascent + ctxcanvas->ctxplus->font->descent;
+ if (ascent) *ascent = ctxcanvas->ctxplus->font->ascent;
+ if (descent) *descent = ctxcanvas->ctxplus->font->descent;
+}
+
+static void cdgettextsize(cdCtxCanvas *ctxcanvas, const char *text, int *width, int *height)
+{
+ XGlyphInfo extents;
+ if (!ctxcanvas->ctxplus->font)
+ return;
+
+ if (ctxcanvas->canvas->text_orientation)
+ XftTextExtents8(ctxcanvas->dpy, ctxcanvas->ctxplus->flat_font, (XftChar8*)text, strlen(text), &extents);
+ else
+ XftTextExtents8(ctxcanvas->dpy, ctxcanvas->ctxplus->font, (XftChar8*)text, strlen(text), &extents);
+
+ if (width) *width = extents.width+extents.x;
+ if (height) *height = extents.height+extents.y;
+}
+
+static void cdtext(cdCtxCanvas *ctxcanvas, int x, int y, const char *text)
+{
+ XGlyphInfo extents;
+ int ox, oy, w, h, len, descent, dir = -1;
+
+ if (!ctxcanvas->ctxplus->font)
+ return;
+
+ len = strlen(text);
+
+ if (ctxcanvas->canvas->text_orientation)
+ XftTextExtents8(ctxcanvas->dpy, ctxcanvas->ctxplus->flat_font, (XftChar8*)text, len, &extents);
+ else
+ XftTextExtents8(ctxcanvas->dpy, ctxcanvas->ctxplus->font, (XftChar8*)text, len, &extents);
+ w = extents.width+extents.x;
+ h = extents.height+extents.y;
+
+ descent = ctxcanvas->ctxplus->font->descent;
+
+ ox = x;
+ oy = y;
+
+ switch (ctxcanvas->canvas->text_alignment)
+ {
+ case CD_BASE_RIGHT:
+ case CD_NORTH_EAST:
+ case CD_EAST:
+ case CD_SOUTH_EAST:
+ x = x - w;
+ break;
+ case CD_BASE_CENTER:
+ case CD_CENTER:
+ case CD_NORTH:
+ case CD_SOUTH:
+ x = x - w/2;
+ break;
+ case CD_BASE_LEFT:
+ case CD_NORTH_WEST:
+ case CD_WEST:
+ case CD_SOUTH_WEST:
+ x = x;
+ break;
+ }
+
+ if (ctxcanvas->canvas->invert_yaxis)
+ dir = 1;
+
+ switch (ctxcanvas->canvas->text_alignment)
+ {
+ case CD_BASE_LEFT:
+ case CD_BASE_CENTER:
+ case CD_BASE_RIGHT:
+ y = y;
+ break;
+ case CD_SOUTH_EAST:
+ case CD_SOUTH_WEST:
+ case CD_SOUTH:
+ y = y - dir*descent;
+ break;
+ case CD_NORTH_EAST:
+ case CD_NORTH:
+ case CD_NORTH_WEST:
+ y = y + dir*(h - descent);
+ break;
+ case CD_CENTER:
+ case CD_EAST:
+ case CD_WEST:
+ y = y + dir*(h/2 - descent);
+ break;
+ }
+
+ if (ctxcanvas->canvas->text_orientation)
+ {
+ double angle = CD_DEG2RAD*ctxcanvas->canvas->text_orientation;
+ double cos_angle = cos(angle);
+ double sin_angle = sin(angle);
+
+ /* manually rotate the initial point */
+ cdRotatePoint(ctxcanvas->canvas, x, y, ox, oy, &x, &y, sin_angle, cos_angle);
+ }
+
+#ifndef CD_XRENDER_MATRIX
+ if (ctxcanvas->canvas->use_matrix)
+ cdMatrixTransformPoint(ctxcanvas->xmatrix, x, y, &x, &y);
+#endif
+
+ if (!ctxcanvas->canvas->new_region)
+ {
+ XftColor xftcolor;
+ XRenderColor rendercolor;
+ xrInitColor(&rendercolor, ctxcanvas->canvas->foreground);
+ XftColorAllocValue(ctxcanvas->dpy, ctxcanvas->vis, ctxcanvas->colormap, &rendercolor, &xftcolor);
+ XftDrawString8(ctxcanvas->ctxplus->draw, &xftcolor, ctxcanvas->ctxplus->font, x, y, (XftChar8*)text, len);
+ }
+}
+
+/******************************************************************/
+
+#if (RENDER_MAJOR>0 || RENDER_MINOR>=10)
+static void set_linegradient_attrib(cdCtxCanvas* ctxcanvas, char* data)
+{
+ if (ctxcanvas->ctxplus->linegradient_pic)
+ {
+ XRenderFreePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->linegradient_pic);
+ ctxcanvas->ctxplus->linegradient_pic = 0;
+ }
+
+ if (data)
+ {
+ XRenderPictureAttributes pa;
+ XFixed stops[2];
+ XRenderColor colors[2];
+ int x1, y1, x2, y2;
+ sscanf(data, "%d %d %d %d", &x1, &y1, &x2, &y2);
+
+ if (ctxcanvas->canvas->invert_yaxis)
+ {
+ y1 = _cdInvertYAxis(ctxcanvas->canvas, y1);
+ y2 = _cdInvertYAxis(ctxcanvas->canvas, y2);
+ }
+
+ stops[0] = XDoubleToFixed(0.0);
+ stops[1] = XDoubleToFixed(1.0);
+
+ xrInitColor(&colors[0], ctxcanvas->canvas->foreground);
+ xrInitColor(&colors[1], ctxcanvas->canvas->background);
+
+ ctxcanvas->ctxplus->linegradient.p1.x = XDoubleToFixed((double)x1);
+ ctxcanvas->ctxplus->linegradient.p1.y = XDoubleToFixed((double)y1);
+ ctxcanvas->ctxplus->linegradient.p2.x = XDoubleToFixed((double)x2);
+ ctxcanvas->ctxplus->linegradient.p2.y = XDoubleToFixed((double)y2);
+
+ ctxcanvas->ctxplus->linegradient_pic = XRenderCreateLinearGradient(ctxcanvas->dpy, &ctxcanvas->ctxplus->linegradient, stops, colors, 2);
+ pa.repeat = 1;
+ XRenderChangePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->linegradient_pic, CPRepeat, &pa);
+
+ ctxcanvas->ctxplus->fill_picture = ctxcanvas->ctxplus->linegradient_pic;
+ }
+ else
+ cdinteriorstyle(ctxcanvas, ctxcanvas->canvas->interior_style);
+}
+
+static char* get_linegradient_attrib(cdCtxCanvas* ctxcanvas)
+{
+ static char data[100];
+
+ sprintf(data, "%d %d %d %d", (int)XFixedToDouble(ctxcanvas->ctxplus->linegradient.p1.x),
+ (int)XFixedToDouble(ctxcanvas->ctxplus->linegradient.p1.y),
+ (int)XFixedToDouble(ctxcanvas->ctxplus->linegradient.p2.x),
+ (int)XFixedToDouble(ctxcanvas->ctxplus->linegradient.p2.y));
+
+ return data;
+}
+
+static cdAttribute linegradient_attrib =
+{
+ "LINEGRADIENT",
+ set_linegradient_attrib,
+ get_linegradient_attrib
+};
+#endif
+
+static void set_aa_attrib(cdCtxCanvas* ctxcanvas, char* data)
+{
+ if (!data || data[0] == '0')
+ ctxcanvas->ctxplus->antialias = 0;
+ else
+ ctxcanvas->ctxplus->antialias = 1;
+
+ ctxcanvas->ctxplus->maskFormat = XRenderFindStandardFormat(ctxcanvas->dpy, ctxcanvas->ctxplus->antialias? PictStandardA8: PictStandardA1);
+}
+
+static char* get_aa_attrib(cdCtxCanvas* ctxcanvas)
+{
+ if (ctxcanvas->ctxplus->antialias)
+ return "1";
+ else
+ return "0";
+}
+
+static cdAttribute aa_attrib =
+{
+ "ANTIALIAS",
+ set_aa_attrib,
+ get_aa_attrib
+};
+
+static char cdxXRenderVersion[50] = "";
+
+static char* get_version_attrib(cdCtxCanvas* ctxcanvas)
+{
+ if (ctxcanvas->ctxplus)
+ return cdxXRenderVersion;
+ else
+ return "0";
+}
+
+static cdAttribute version_attrib =
+{
+ "XRENDERVERSION",
+ NULL,
+ get_version_attrib
+};
+
+static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
+{
+ /* fill_picture is NOT released, since it is a pointer to one of the other pictures */
+ if (ctxcanvas->ctxplus->solid_pic)
+ XRenderFreePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->solid_pic);
+
+ if (ctxcanvas->ctxplus->pattern_pic)
+ XRenderFreePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->pattern_pic);
+
+#if (RENDER_MAJOR>0 || RENDER_MINOR>=10)
+ if (ctxcanvas->ctxplus->linegradient_pic)
+ XRenderFreePicture(ctxcanvas->dpy, ctxcanvas->ctxplus->linegradient_pic);
+#endif
+
+ if (ctxcanvas->ctxplus->flat_font)
+ XftFontClose(ctxcanvas->dpy, ctxcanvas->ctxplus->flat_font);
+
+ if (ctxcanvas->ctxplus->font)
+ XftFontClose(ctxcanvas->dpy, ctxcanvas->ctxplus->font);
+
+ XftDrawDestroy(ctxcanvas->ctxplus->draw);
+ free(ctxcanvas->ctxplus);
+
+ /* call original method */
+ ctxcanvas->ctxplus->cxKillCanvas(ctxcanvas);
+}
+
+static void xrInitTable(cdCanvas* canvas)
+{
+ /* set new methods */
+ canvas->cxKillCanvas = cdkillcanvas;
+ canvas->cxClip = cdclip;
+ canvas->cxClipArea = cdcliparea;
+ canvas->cxTransform = cdtransform;
+ canvas->cxInteriorStyle = cdinteriorstyle;
+ canvas->cxBackOpacity = cdbackopacity;
+ canvas->cxForeground = cdforeground;
+ canvas->cxBackground = cdbackground;
+ canvas->cxHatch = cdhatch;
+ canvas->cxStipple = cdstipple;
+ canvas->cxPattern = cdpattern;
+ canvas->cxTextOrientation = cdtextorientation;
+
+ canvas->cxPixel = cdpixel;
+ canvas->cxClear = cdclear;
+ canvas->cxLine = cdline;
+ canvas->cxFLine = cdfline;
+ canvas->cxRect = cdrect;
+ canvas->cxFRect = cdfSimRect;
+ canvas->cxBox = cdbox;
+ canvas->cxFBox = cdfSimBox;
+ canvas->cxArc = cdarc;
+ canvas->cxFArc = cdfarc;
+ canvas->cxSector = cdsector;
+ canvas->cxFSector = cdfsector;
+ canvas->cxChord = cdchord;
+ canvas->cxFChord = cdfchord;
+ canvas->cxPoly = cdpoly;
+ canvas->cxFPoly = cdfpoly;
+
+ /* TODO: canvas->cxPutImageRectRGBA = cdputimagerectrgba; */
+
+ canvas->cxFont = cdfont;
+ canvas->cxNativeFont = cdnativefont;
+ canvas->cxGetTextSize = cdgettextsize;
+ canvas->cxText = cdtext;
+ canvas->cxGetFontDim = cdgetfontdim;
+}
+
+static void xrCreateContextPlus(cdCtxCanvas *ctxcanvas)
+{
+ ctxcanvas->ctxplus = (cdxContextPlus *)malloc(sizeof(cdxContextPlus));
+ memset(ctxcanvas->ctxplus, 0, sizeof(cdxContextPlus));
+
+ if (cdxXRenderVersion[0] == 0 && XftDefaultHasRender(ctxcanvas->dpy))
+ sprintf(cdxXRenderVersion,"%d.%d", RENDER_MAJOR, RENDER_MINOR);
+
+ cdRegisterAttribute(ctxcanvas->canvas, &aa_attrib);
+ cdRegisterAttribute(ctxcanvas->canvas, &version_attrib);
+#if (RENDER_MAJOR>0 || RENDER_MINOR>=10)
+ cdRegisterAttribute(ctxcanvas->canvas, &linegradient_attrib);
+#endif
+
+ ctxcanvas->ctxplus->draw = XftDrawCreate(ctxcanvas->dpy, ctxcanvas->wnd, ctxcanvas->vis, ctxcanvas->colormap);
+ ctxcanvas->ctxplus->dst_picture = XftDrawPicture(ctxcanvas->ctxplus->draw);
+ ctxcanvas->ctxplus->maskFormat = XRenderFindStandardFormat(ctxcanvas->dpy, PictStandardA8);
+
+ ctxcanvas->ctxplus->antialias = 1;
+}
+
+/*******************************************************************************************************/
+
+static cdContext cdDBufferContext = {0,0,NULL,NULL,NULL,NULL};
+static cdContext cdNativeWindowContext = {0,0,NULL,NULL,NULL,NULL};
+static cdContext cdImageContext = {0,0,NULL,NULL,NULL,NULL};
+
+static void (*cdcreatecanvasDBUFFER)(cdCanvas* canvas, void* data) = NULL;
+static void (*cdcreatecanvasNATIVE)(cdCanvas* canvas, void* data) = NULL;
+static void (*cdcreatecanvasIMAGE)(cdCanvas* canvas, void* data) = NULL;
+
+static void (*cdinittableDBUFFER)(cdCanvas* canvas) = NULL;
+static void (*cdinittableNATIVE)(cdCanvas* canvas) = NULL;
+static void (*cdinittableIMAGE)(cdCanvas* canvas) = NULL;
+
+static void (*cdkillcanvasDBUFFER)(cdCtxCanvas* ctxcanvas) = NULL;
+static void (*cdkillcanvasNATIVE)(cdCtxCanvas* ctxcanvas) = NULL;
+static void (*cdkillcanvasIMAGE)(cdCtxCanvas* ctxcanvas) = NULL;
+
+static void xrCreateCanvasDBUFFER(cdCanvas* canvas, void *data)
+{
+ cdcreatecanvasDBUFFER(canvas, data); /* call original first */
+ xrCreateContextPlus(canvas->ctxcanvas);
+ canvas->ctxcanvas->ctxplus->cxKillCanvas = cdkillcanvasDBUFFER; /* must set it here since CreateContext clears the structure */
+}
+
+static void xrInitTableDBUFFER(cdCanvas* canvas)
+{
+ if (!cdkillcanvasDBUFFER) cdkillcanvasDBUFFER = canvas->cxKillCanvas; /* save original method */
+ cdinittableDBUFFER(canvas);
+ xrInitTable(canvas);
+}
+
+cdContext* cdContextDBufferPlus(void)
+{
+ if (!cdDBufferContext.plus)
+ {
+ int old_plus = cdUseContextPlus(0); /* disable context plus */
+ cdDBufferContext = *cdContextDBuffer(); /* copy original context */
+ cdDBufferContext.plus = 1; /* mark as plus */
+
+ /* save original methods */
+ cdcreatecanvasDBUFFER = cdDBufferContext.cxCreateCanvas;
+ cdinittableDBUFFER = cdDBufferContext.cxInitTable;
+
+ /* replace by new methods */
+ cdDBufferContext.cxCreateCanvas = xrCreateCanvasDBUFFER;
+ cdDBufferContext.cxInitTable = xrInitTableDBUFFER;
+
+ cdUseContextPlus(old_plus); /* enable context plus */
+ }
+ return &cdDBufferContext;
+}
+
+static void xrCreateCanvasNATIVE(cdCanvas* canvas, void *data)
+{
+ cdcreatecanvasNATIVE(canvas, data);
+ xrCreateContextPlus(canvas->ctxcanvas);
+ canvas->ctxcanvas->ctxplus->cxKillCanvas = cdkillcanvasNATIVE;
+}
+
+static void xrInitTableNATIVE(cdCanvas* canvas)
+{
+ if (!cdkillcanvasNATIVE) cdkillcanvasNATIVE = canvas->cxKillCanvas;
+ cdinittableNATIVE(canvas);
+ xrInitTable(canvas);
+}
+
+cdContext* cdContextNativeWindowPlus(void)
+{
+ if (!cdNativeWindowContext.plus)
+ {
+ int old_plus = cdUseContextPlus(0);
+ cdNativeWindowContext = *cdContextNativeWindow();
+ cdcreatecanvasNATIVE = cdNativeWindowContext.cxCreateCanvas;
+ cdinittableNATIVE = cdNativeWindowContext.cxInitTable;
+ cdNativeWindowContext.cxCreateCanvas = xrCreateCanvasNATIVE;
+ cdNativeWindowContext.cxInitTable = xrInitTableNATIVE;
+ cdNativeWindowContext.plus = 1;
+ cdUseContextPlus(old_plus);
+ }
+ return &cdNativeWindowContext;
+}
+
+static void xrCreateCanvasIMAGE(cdCanvas* canvas, void *data)
+{
+ cdcreatecanvasIMAGE(canvas, data);
+ xrCreateContextPlus(canvas->ctxcanvas);
+ canvas->ctxcanvas->ctxplus->cxKillCanvas = cdkillcanvasIMAGE;
+}
+
+static void xrInitTableIMAGE(cdCanvas* canvas)
+{
+ if (!cdkillcanvasIMAGE) cdkillcanvasIMAGE = canvas->cxKillCanvas;
+ cdinittableIMAGE(canvas);
+ xrInitTable(canvas);
+}
+
+cdContext* cdContextImagePlus(void)
+{
+ if (!cdImageContext.plus)
+ {
+ int old_plus = cdUseContextPlus(0);
+ cdImageContext = *cdContextImage();
+ cdcreatecanvasIMAGE = cdImageContext.cxCreateCanvas;
+ cdinittableIMAGE = cdImageContext.cxInitTable;
+ cdImageContext.cxCreateCanvas = xrCreateCanvasIMAGE;
+ cdImageContext.cxInitTable = xrInitTableIMAGE;
+ cdImageContext.plus = 1;
+ cdUseContextPlus(old_plus);
+ }
+ return &cdImageContext;
+}
diff --git a/src/xrender/cdxrplus.c b/src/xrender/cdxrplus.c
new file mode 100644
index 0000000..f938a6f
--- /dev/null
+++ b/src/xrender/cdxrplus.c
@@ -0,0 +1,26 @@
+/** \file
+ * \brief X-Render Control
+ *
+ * See Copyright Notice in cd.h
+ */
+
+#include "cd.h"
+#include "cd_private.h"
+#include <stdlib.h>
+#include <memory.h>
+
+cdContext* cdContextNativeWindowPlus(void);
+cdContext* cdContextImagePlus(void);
+cdContext* cdContextDBufferPlus(void);
+
+void cdInitContextPlus(void)
+{
+ cdContext* ctx_list[NUM_CONTEXTPLUS];
+ memset(ctx_list, 0, sizeof(ctx_list));
+
+ ctx_list[CD_CTX_NATIVEWINDOW] = cdContextNativeWindowPlus();
+ ctx_list[CD_CTX_IMAGE] = cdContextImagePlus();
+ ctx_list[CD_CTX_DBUFFER] = cdContextDBufferPlus();
+
+ cdInitContextPlusList(ctx_list);
+}