1 files changed, 1007 insertions, 0 deletions
diff --git a/src/cd_active.c b/src/cd_active.c
new file mode 100644
index 0000000..0ae489a
--- /dev/null
+++ b/src/cd_active.c
@@ -0,0 +1,1007 @@
+/** \file
+ * \brief OLD API that needs the cdActivate call
+ *
+ * See Copyright Notice in cd.h
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <stdarg.h>
+
+#ifdef CD_NO_OLD_INTERFACE
+#undef CD_NO_OLD_INTERFACE
+#endif
+
+#include "cd.h"
+#include "wd.h"
+
+static cdCanvas *active_canvas = NULL;
+
+int cdActivate(cdCanvas *canvas)
+{
+  /* if is the active canvas, just update canvas state */
+  if (active_canvas && canvas == active_canvas)
+  {
+    if (cdCanvasActivate(canvas) == CD_ERROR)
+    {
+      active_canvas = NULL;
+      return CD_ERROR;
+    }
+
+    return CD_OK;
+  }
+
+  /* if exists an active canvas, deactivate it */
+  if (active_canvas) 
+    cdCanvasDeactivate(active_canvas);
+  
+  /* allow to active a NULL canvas, the user may restore a previous canvas that was NULL */
+  if (canvas == NULL)
+  {
+    active_canvas = NULL;
+    return CD_ERROR;
+  }
+
+  /* do the activation */
+  active_canvas = canvas;
+  
+  if (cdCanvasActivate(canvas) == CD_ERROR)
+  {
+    active_canvas = NULL;
+    return CD_ERROR;
+  }
+  
+  return CD_OK;
+}
+
+cdCanvas* cdActiveCanvas(void)
+{
+  return active_canvas;
+}
+
+int cdSimulate(int mode)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasSimulate(active_canvas, mode);
+}
+
+cdState* cdSaveState(void)
+{
+  assert(active_canvas);
+  if (!active_canvas) return NULL;
+  return cdCanvasSaveState(active_canvas);
+}
+
+void cdRestoreState(cdState* state)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasRestoreState(active_canvas, state);
+}
+
+void cdFlush(void)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasFlush(active_canvas);
+}
+
+void cdClear(void)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasClear(active_canvas);
+}
+
+void cdSetAttribute(const char* name, char *data)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasSetAttribute(active_canvas, name, data);
+}
+
+void cdSetfAttribute(const char* name, const char* format, ...)
+{
+  char data[1024];
+  va_list arglist;
+
+  assert(active_canvas);
+  if (!active_canvas) return;
+
+  va_start(arglist, format);
+  vsprintf(data, format, arglist);
+
+  cdCanvasSetAttribute(active_canvas, name, data);
+}
+
+char* cdGetAttribute(const char* name)
+{
+  assert(active_canvas);
+  if (!active_canvas) return NULL;
+  return cdCanvasGetAttribute(active_canvas, name);
+}
+
+int cdPlay(cdContext* context, int xmin, int xmax, int ymin, int ymax, void *data)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasPlay(active_canvas, context, xmin, xmax, ymin, ymax, data);
+}
+
+int cdClip(int mode)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasClip(active_canvas, mode);
+}
+
+void cdClipArea(int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasClipArea(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+int cdGetClipArea(int *xmin, int *xmax, int *ymin, int *ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasGetClipArea(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+int cdPointInRegion(int x, int y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasIsPointInRegion(active_canvas, x, y);
+}
+
+void cdOffsetRegion(int x, int y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasOffsetRegion(active_canvas, x, y);
+}
+
+void cdRegionBox(int *xmin, int *xmax, int *ymin, int *ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetRegionBox(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void cdGetCanvasSize(int *width, int *height, double *width_mm, double *height_mm)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetSize(active_canvas, width, height, width_mm, height_mm);
+}
+
+void cdMM2Pixel(double mm_dx, double mm_dy, int *dx, int *dy)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasMM2Pixel(active_canvas, mm_dx, mm_dy, dx, dy);
+}
+
+void cdPixel2MM(int dx, int dy, double *mm_dx, double *mm_dy)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPixel2MM(active_canvas, dx, dy, mm_dx, mm_dy);
+}
+
+void cdOrigin(int x, int y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasOrigin(active_canvas, x, y);
+}
+
+int cdUpdateYAxis(int *y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasUpdateYAxis(active_canvas, y);
+}
+
+void cdPixel(int x, int y, long color)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPixel(active_canvas, x, y, color);
+}
+
+void cdMark(int x, int y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasMark(active_canvas, x, y);
+}
+
+void cdLine(int x1, int y1, int x2, int y2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasLine(active_canvas, x1, y1, x2, y2);
+}
+
+void cdBegin(int mode)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasBegin(active_canvas, mode);
+}
+
+void cdVertex(int x, int y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasVertex(active_canvas, x, y);
+}
+
+void cdEnd(void)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasEnd(active_canvas);
+}
+
+void cdRect(int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasRect(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void cdBox(int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasBox(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void cdArc(int xc, int yc, int w, int h, double angle1, double angle2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasArc(active_canvas, xc, yc, w, h, angle1, angle2);
+}
+
+void cdSector(int xc, int yc, int w, int h, double angle1, double angle2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasSector(active_canvas, xc, yc, w, h, angle1, angle2);
+}
+
+void cdChord(int xc, int yc, int w, int h, double angle1, double angle2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasChord(active_canvas, xc, yc, w, h, angle1, angle2);
+}
+
+void cdText(int x, int y, const char *s)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasText(active_canvas, x, y, s);
+}
+
+int cdBackOpacity(int opacity)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasBackOpacity(active_canvas, opacity);
+}
+
+int cdWriteMode(int mode)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasWriteMode(active_canvas, mode);
+}
+
+int cdLineStyle(int style)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasLineStyle(active_canvas, style);
+}
+
+int cdLineJoin(int join)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasLineJoin(active_canvas, join);
+}
+
+int cdLineCap(int cap)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasLineCap(active_canvas, cap);
+}
+
+int cdRegionCombineMode(int mode)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasRegionCombineMode(active_canvas, mode);
+}
+
+void cdLineStyleDashes(const int* dashes, int count)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasLineStyleDashes(active_canvas, dashes, count);
+}
+
+int cdLineWidth(int width)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasLineWidth(active_canvas, width);
+}
+
+int cdFillMode(int mode)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasFillMode(active_canvas, mode);
+}
+
+int cdInteriorStyle (int style)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasInteriorStyle(active_canvas, style);
+}
+
+int cdHatch(int style)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasHatch(active_canvas, style);
+}
+
+void cdStipple(int w, int h, const unsigned char *stipple)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasStipple(active_canvas, w, h, stipple);
+}
+
+unsigned char* cdGetStipple(int *w, int *h)
+{
+  assert(active_canvas);
+  if (!active_canvas) return NULL;
+  return cdCanvasGetStipple(active_canvas, w, h);
+}
+
+void cdPattern(int w, int h, const long *pattern)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPattern(active_canvas, w, h, pattern);
+}
+
+long* cdGetPattern(int* w, int* h)
+{
+  assert(active_canvas);
+  if (!active_canvas) return NULL;
+  return cdCanvasGetPattern(active_canvas, w, h);
+}
+
+void cdFont(int type_face, int style, int size)
+{
+  static const char * family[] = 
+  {
+    "System",       /* CD_SYSTEM */
+    "Courier",      /* CD_COURIER */
+    "Times",        /* CD_TIMES_ROMAN */
+    "Helvetica"     /* CD_HELVETICA */
+  };
+
+  assert(active_canvas);
+  assert(type_face>=CD_SYSTEM && type_face<=CD_NATIVE);
+  if (!active_canvas) return;
+  if (type_face<CD_SYSTEM || type_face>CD_NATIVE) return;
+
+  if (type_face == CD_NATIVE)
+  {
+    char* native_font = cdCanvasNativeFont(active_canvas, NULL);
+    cdCanvasNativeFont(active_canvas, native_font);
+  }                                        
+  else
+    cdCanvasFont(active_canvas, family[type_face], style, size);
+}
+
+void cdGetFont(int *type_face, int *style, int *size)
+{
+  char family[1024];
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetFont(active_canvas, family, style, size);
+
+  if (type_face)
+  {
+    if (strcmp(family, "System")==0) 
+      *type_face = CD_SYSTEM;
+    else if (strcmp(family, "Courier")==0) 
+      *type_face = CD_COURIER;
+    else if (strcmp(family, "Times")==0) 
+      *type_face = CD_TIMES_ROMAN;
+    else if (strcmp(family, "Helvetica")==0) 
+      *type_face = CD_HELVETICA;
+    else
+      *type_face = CD_NATIVE;
+  }
+}
+
+char* cdNativeFont(const char* font)
+{
+  assert(active_canvas);
+  if (!active_canvas) return NULL;
+  return cdCanvasNativeFont(active_canvas, font);
+}
+
+int cdTextAlignment(int alignment)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasTextAlignment(active_canvas, alignment);
+}
+
+double cdTextOrientation(double angle)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasTextOrientation(active_canvas, angle);
+}
+
+int cdMarkType(int type)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasMarkType(active_canvas, type);
+}
+
+int cdMarkSize(int size)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasMarkSize(active_canvas, size);
+}
+
+long cdBackground(long color)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasBackground(active_canvas, color);
+}
+
+long cdForeground(long color)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasForeground(active_canvas, color);
+}
+
+void cdFontDim(int *max_width, int *height, int *ascent, int *descent)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetFontDim(active_canvas, max_width, height, ascent, descent);
+}
+
+void cdTextSize(const char *s, int *width, int *height)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetTextSize(active_canvas, s, width, height);
+}
+
+void cdTextBounds(int x, int y, const char *s, int *rect)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetTextBounds(active_canvas, x, y, s, rect);
+}
+
+void cdTextBox(int x, int y, const char *s, int *xmin, int *xmax, int *ymin, int *ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetTextBox(active_canvas, x, y, s, xmin, xmax, ymin, ymax);
+}
+
+int cdGetColorPlanes(void)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasGetColorPlanes(active_canvas);
+}
+
+void cdPalette(int n, const long *palette, int mode)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPalette(active_canvas, n, palette, mode);
+}
+
+void cdGetImageRGB(unsigned char *r, unsigned char *g, unsigned char *b, int x, int y, int w, int h)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetImageRGB(active_canvas, r, g, b, x, y, w, h);
+}
+
+void cdPutImageRectRGB(int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPutImageRectRGB(active_canvas, iw, ih, r, g, b, x, y, w, h, xmin, xmax, ymin, ymax);
+}
+
+void cdPutImageRectRGBA(int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, const unsigned char *a, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPutImageRectRGBA(active_canvas, iw, ih, r, g, b, a, x, y, w, h, xmin, xmax, ymin, ymax);
+}
+
+void cdPutImageRectMap(int iw, int ih, const unsigned char *index, const long *colors, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPutImageRectMap(active_canvas, iw, ih, index, colors, x, y, w, h, xmin, xmax, ymin, ymax);
+}
+
+cdImage* cdCreateImage(int w, int h)
+{
+  assert(active_canvas);
+  if (!active_canvas) return NULL;
+  return cdCanvasCreateImage(active_canvas, w, h);
+}
+
+void cdGetImage(cdImage* image, int x, int y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetImage(active_canvas, image, x, y);
+}
+
+void cdPutImageRect(cdImage* image, int x, int y, int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPutImageRect(active_canvas, image, x, y, xmin, xmax, ymin, ymax);
+}
+
+void cdScrollArea(int xmin, int xmax, int ymin, int ymax, int dx, int dy)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasScrollArea(active_canvas, xmin, xmax, ymin, ymax, dx, dy);
+}
+
+void cdPutBitmap(cdBitmap* bitmap, int x, int y, int w, int h)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasPutBitmap(active_canvas, bitmap, x, y, w, h);
+}
+
+void cdGetBitmap(cdBitmap* bitmap, int x, int y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetBitmap(active_canvas, bitmap, x, y);
+}
+
+void wdWindow(double xmin, double xmax, double  ymin, double ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasWindow(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void wdGetWindow (double *xmin, double  *xmax,  double  *ymin, double *ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetWindow(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void wdViewport(int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasViewport(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void wdGetViewport (int *xmin, int *xmax, int *ymin, int *ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetViewport(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void wdWorld2Canvas(double xw, double yw, int *xv, int *yv)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasWorld2Canvas(active_canvas, xw, yw, xv, yv);
+}
+
+void wdWorld2CanvasSize(double hw, double vw, int *hv, int *vv)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasWorld2CanvasSize(active_canvas, hw, vw, hv, vv);
+}
+
+void wdCanvas2World(int xv, int yv, double *xw, double *yw)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasCanvas2World(active_canvas, xv, yv, xw, yw);
+}
+
+void wdClipArea(double xmin, double xmax, double ymin, double ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasClipArea(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+int wdPointInRegion(double x, double y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return wdCanvasIsPointInRegion(active_canvas, x, y);
+}
+
+void wdOffsetRegion(double x, double y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasOffsetRegion(active_canvas, x, y);
+}
+
+void wdRegionBox(double *xmin, double *xmax, double *ymin, double *ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetRegionBox(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+int wdGetClipArea(double *xmin, double *xmax, double *ymin, double *ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return wdCanvasGetClipArea(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void wdLine (double x1, double y1, double x2, double y2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasLine(active_canvas, x1, y1, x2, y2);
+}
+
+void wdBox (double xmin, double xmax, double ymin, double ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasBox(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void wdRect(double xmin, double xmax, double ymin, double ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasRect(active_canvas, xmin, xmax, ymin, ymax);
+}
+
+void wdArc(double xc, double yc, double w, double h, double angle1, double angle2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasArc(active_canvas, xc, yc, w, h, angle1, angle2);
+}
+
+void wdSector(double xc, double yc, double w, double h, double angle1, double angle2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasSector(active_canvas, xc, yc, w, h, angle1, angle2);
+}
+
+void wdChord(double xc, double yc, double w, double h, double angle1, double angle2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasChord(active_canvas, xc, yc, w, h, angle1, angle2);
+}
+
+void wdText(double x, double y, const char *s)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasText(active_canvas, x, y, s);
+}
+
+void wdVertex(double x, double y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasVertex(active_canvas, x, y);
+}
+
+void wdMark(double x, double y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasMark(active_canvas, x, y);
+}
+
+void wdPixel(double x, double y, long color)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasPixel(active_canvas, x, y, color);
+}
+
+void wdPutImageRect(cdImage* image, double x, double y, int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasPutImageRect(active_canvas, image, x, y, xmin, xmax, ymin, ymax);
+}
+
+void wdPutImageRectRGB(int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, double x, double y, double w, double h, int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasPutImageRectRGB(active_canvas, iw, ih, r, g, b, x, y, w, h, xmin, xmax, ymin, ymax);
+}
+
+void wdPutImageRectRGBA(int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, const unsigned char *a, double x, double y, double w, double h, int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasPutImageRectRGBA(active_canvas, iw, ih, r, g, b, a, x, y, w, h, xmin, xmax, ymin, ymax);
+}
+
+void wdPutImageRectMap(int iw, int ih, const unsigned char *index, const long *colors, double x, double y, double w, double h, int xmin, int xmax, int ymin, int ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasPutImageRectMap(active_canvas, iw, ih, index, colors, x, y, w, h, xmin, xmax, ymin, ymax);
+}
+
+void wdPutBitmap(cdBitmap* bitmap, double x, double y, double w, double h)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasPutBitmap(active_canvas, bitmap, x, y, w, h);
+}
+
+double wdLineWidth(double width_mm)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return wdCanvasLineWidth(active_canvas, width_mm);
+}
+
+void wdFont(int type_face, int style, double size_mm)
+{
+  static const char * family[] = 
+  {
+    "System",       /* CD_SYSTEM */
+    "Courier",      /* CD_COURIER */
+    "Times Roman",  /* CD_TIMES_ROMAN */
+    "Helvetica"     /* CD_HELVETICA */
+  };
+
+  assert(active_canvas);
+  if (!active_canvas) return;
+  if (type_face<CD_SYSTEM || type_face>CD_HELVETICA) return;
+
+  wdCanvasFont(active_canvas, family[type_face], style, (int)(size_mm*CD_MM2PT + 0.5));
+}
+
+void wdGetFont(int *type_face, int *style, double *size)
+{
+  char family[1024];
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetFont(active_canvas, family, style, size);
+
+  if (type_face)
+  {
+    if (strcmp(family, "System")==0) 
+      *type_face = CD_SYSTEM;
+    else if (strcmp(family, "Courier")==0) 
+      *type_face = CD_COURIER;
+    else if (strcmp(family, "Times Roman")==0) 
+      *type_face = CD_TIMES_ROMAN;
+    else if (strcmp(family, "Helvetica")==0) 
+      *type_face = CD_HELVETICA;
+    else
+      *type_face = CD_NATIVE;
+  }
+}
+
+double wdMarkSize(double size_mm)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return wdCanvasMarkSize(active_canvas, size_mm);
+}
+
+void wdFontDim(double *max_width, double *height, double *ascent, double *descent)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetFontDim(active_canvas, max_width, height, ascent, descent);
+}
+
+void wdTextSize(const char *s, double *width, double *height)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetTextSize(active_canvas, s, width, height);
+}
+
+void wdTextBox(double x, double y, const char *s, double *xmin, double *xmax, double *ymin, double *ymax)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetTextBox(active_canvas, x, y, s, xmin, xmax, ymin, ymax);
+}
+
+void wdTextBounds(double x, double y, const char *s, double *rect)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetTextBounds(active_canvas, x, y, s, rect);
+}
+
+void wdPattern(int w, int h, const long *color, double w_mm, double h_mm)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasPattern(active_canvas, w, h, color, w_mm, h_mm);
+}
+
+void wdStipple(int w, int h, const unsigned char *fgbg, double w_mm, double h_mm)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasStipple(active_canvas, w, h, fgbg, w_mm, h_mm);
+}
+
+void wdHardcopy(cdContext* ctx, void *data, cdCanvas *canvas, void(*draw_func)(void))
+{
+  wdCanvasHardcopy(canvas, ctx, data, (void(*)(cdCanvas*))draw_func);
+}
+
+void cdVectorText(int x, int y, const char* s)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasVectorText(active_canvas, x, y, s);
+}
+
+void cdMultiLineVectorText(int x, int y, const char* s)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasMultiLineVectorText(active_canvas, x, y, s);
+}
+
+char *cdVectorFont(const char *filename)
+{
+  assert(active_canvas);
+  if (!active_canvas) return NULL;
+  return cdCanvasVectorFont(active_canvas, filename);
+}
+
+void cdVectorTextDirection(int x1, int y1, int x2, int y2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasVectorTextDirection(active_canvas, x1, y1, x2, y2);
+}
+
+double* cdVectorTextTransform(const double* matrix)
+{
+  assert(active_canvas);
+  if (!active_canvas) return NULL;
+  return cdCanvasVectorTextTransform(active_canvas, matrix);
+}
+
+void cdVectorTextSize(int size_x, int size_y, const char* s)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasVectorTextSize(active_canvas, size_x, size_y, s);
+}
+
+int cdVectorCharSize(int size)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return cdCanvasVectorCharSize(active_canvas, size);
+}
+
+void cdGetVectorTextSize(const char* s, int *x, int *y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetVectorTextSize(active_canvas, s, x, y);
+}
+
+void cdGetVectorTextBounds(const char* s, int x, int y, int *rect)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  cdCanvasGetVectorTextBounds(active_canvas, s, x, y, rect);
+}
+
+void wdVectorTextDirection(double x1, double y1, double x2, double y2)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasVectorTextDirection(active_canvas, x1, y1, x2, y2);
+}
+
+void wdVectorTextSize(double size_x, double size_y, const char* s)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasVectorTextSize(active_canvas, size_x, size_y, s);
+}
+
+void wdGetVectorTextSize(const char* s, double *x, double *y)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetVectorTextSize(active_canvas, s, x, y);
+}
+
+double wdVectorCharSize(double size)
+{
+  assert(active_canvas);
+  if (!active_canvas) return CD_ERROR;
+  return wdCanvasVectorCharSize(active_canvas, size);
+}
+
+void wdVectorText(double x, double y, const char* s)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasVectorText(active_canvas, x, y, s);
+}
+
+void wdMultiLineVectorText(double x, double y, const char* s)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasMultiLineVectorText(active_canvas, x, y, s);
+}
+
+void wdGetVectorTextBounds(const char* s, double x, double y, double *rect)
+{
+  assert(active_canvas);
+  if (!active_canvas) return;
+  wdCanvasGetVectorTextBounds(active_canvas, s, x, y, rect);
+}
+