gnu_java_awt_peer_gtk_gdkgraphics2d.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 1,622 行 · 第 1/4 页

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);

  /* this is a very weird fact: GDK Pixbufs and RENDER drawables consider
     colors in opposite pixel order. I have no idea why.  thus when you
     draw to a PixBuf, you must exchange the R and B components of your
     color. */

  if (gr->debug) printf ("cairo_set_rgb_color (%f, %f, %f)\n", r, g, b);

  if (gr->drawbuf)
    cairo_set_rgb_color (gr->cr, b, g, r);
  else
    cairo_set_rgb_color (gr->cr, r, g, b);

  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoSetAlpha 
   (JNIEnv *env, jobject obj, jdouble a)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_set_alpha %f\n", a);  
  cairo_set_alpha (gr->cr, a);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoSetFillRule 
   (JNIEnv *env, jobject obj, jint rule)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  if (gr->debug) printf ("cairo_set_fill_rule %d\n", rule);
  g_assert (gr != NULL);
  switch ((enum java_awt_geom_path_iterator_winding_rule) rule)
    {
    case java_awt_geom_path_iterator_WIND_NON_ZERO:
      cairo_set_fill_rule (gr->cr, CAIRO_FILL_RULE_WINDING);
      break;
    case java_awt_geom_path_iterator_WIND_EVEN_ODD:
      cairo_set_fill_rule (gr->cr, CAIRO_FILL_RULE_EVEN_ODD);
      break;
    }  
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoSetLineWidth 
   (JNIEnv *env, jobject obj, jdouble width)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_set_line_width %f\n", width);
  cairo_set_line_width (gr->cr, width);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoSetLineCap 
   (JNIEnv *env, jobject obj, jint cap)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_set_line_cap %d\n", cap);
  switch ((enum java_awt_basic_stroke_cap_rule) cap)
    {
    case java_awt_basic_stroke_CAP_BUTT: 
      cairo_set_line_cap (gr->cr, CAIRO_LINE_CAP_BUTT);
      break;

    case java_awt_basic_stroke_CAP_ROUND: 
      cairo_set_line_cap (gr->cr, CAIRO_LINE_CAP_ROUND);
      break;

    case java_awt_basic_stroke_CAP_SQUARE: 
      cairo_set_line_cap (gr->cr, CAIRO_LINE_CAP_SQUARE);
      break;
    }
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoSetLineJoin 
   (JNIEnv *env, jobject obj, jint join)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_set_line_join %d\n", join);
  switch ((enum java_awt_basic_stroke_join_rule) join)
    {
    case java_awt_basic_stroke_JOIN_MITER:
      cairo_set_line_join (gr->cr, CAIRO_LINE_JOIN_MITER);
      break;

    case java_awt_basic_stroke_JOIN_ROUND:
      cairo_set_line_join (gr->cr, CAIRO_LINE_JOIN_ROUND);
      break;

    case java_awt_basic_stroke_JOIN_BEVEL:
      cairo_set_line_join (gr->cr, CAIRO_LINE_JOIN_BEVEL);
      break;
    }
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoSetDash 
   (JNIEnv *env, jobject obj, jdoubleArray dashes, jint ndash, jdouble offset)
{
  struct graphics2d *gr = NULL;
  jdouble *dasharr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_set_dash\n");
  dasharr = (*env)->GetDoubleArrayElements (env, dashes, NULL);  
  g_assert (dasharr != NULL);
  cairo_set_dash (gr->cr, dasharr, ndash, offset);
  (*env)->ReleaseDoubleArrayElements (env, dashes, dasharr, 0);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoSetMiterLimit 
   (JNIEnv *env, jobject obj, jdouble miter)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_set_miter_limit %f\n", miter);
  cairo_set_miter_limit (gr->cr, miter);
  gdk_threads_leave();
}


JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoNewPath 
   (JNIEnv *env, jobject obj)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  if (gr == NULL) { gdk_threads_leave (); return; }
  if (gr->debug) printf ("cairo_new_path\n");
  cairo_new_path (gr->cr);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoMoveTo 
   (JNIEnv *env, jobject obj, jdouble x, jdouble y)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_move_to (%f, %f)\n", x, y);
  cairo_move_to (gr->cr, x, y);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoLineTo 
   (JNIEnv *env, jobject obj, jdouble x, jdouble y)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_line_to (%f, %f)\n", x, y);
  cairo_line_to (gr->cr, x, y);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoCurveTo 
   (JNIEnv *env, jobject obj, jdouble x1, jdouble y1, jdouble x2, jdouble y2, jdouble x3, jdouble y3)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_curve_to (%f, %f), (%f, %f), (%f, %f)\n", x1, y1, x2, y2, x3, y3);
  cairo_curve_to (gr->cr, x1, y1, x2, y2, x3, y3);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoRelMoveTo 
   (JNIEnv *env, jobject obj, jdouble dx, jdouble dy)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_rel_move_to (%f, %f)\n", dx, dy);
  cairo_rel_move_to (gr->cr, dx, dy);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoRelLineTo 
   (JNIEnv *env, jobject obj, jdouble dx, jdouble dy)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_rel_line_to (%f, %f)\n", dx, dy);
  cairo_rel_line_to (gr->cr, dx, dy);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoRelCurveTo 
   (JNIEnv *env, jobject obj, jdouble dx1, jdouble dy1, jdouble dx2, jdouble dy2, jdouble dx3, jdouble dy3)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_rel_curve_to (%f, %f), (%f, %f), (%f, %f)\n", dx1, dy1, dx2, dy2, dx3, dy3);
  cairo_rel_curve_to (gr->cr, dx1, dy1, dx2, dy2, dx3, dy3);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoRectangle 
   (JNIEnv *env, jobject obj, jdouble x, jdouble y, jdouble width, jdouble height)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  if (gr == NULL) { gdk_threads_leave (); return; }
  if (gr->debug) printf ("cairo_rectangle (%f, %f) (%f, %f)\n", x, y, width, height);
  cairo_rectangle (gr->cr, x, y, width, height);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoClosePath 
   (JNIEnv *env, jobject obj)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_close_path\n");
  cairo_close_path (gr->cr);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoStroke 
   (JNIEnv *env, jobject obj)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_stroke\n");
  begin_drawing_operation (env, gr);
  cairo_stroke (gr->cr);
  end_drawing_operation (env, gr);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoFill 
   (JNIEnv *env, jobject obj)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_fill\n");
  begin_drawing_operation (env, gr);
  cairo_fill (gr->cr);
  end_drawing_operation (env, gr);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoClip 
   (JNIEnv *env, jobject obj)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  if (gr == NULL) { gdk_threads_leave (); return; }
  if (gr->debug) printf ("cairo_clip\n");
  begin_drawing_operation (env, gr);
  cairo_init_clip (gr->cr);
  cairo_clip (gr->cr);
  end_drawing_operation (env, gr);
  gdk_threads_leave();
}

JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoSurfaceSetFilter
   (JNIEnv *env, jobject obj, jint filter)
{
   struct graphics2d *gr = NULL;   

   gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

   gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
   g_assert (gr != NULL);
   if (gr->debug) printf ("cairo_surface_set_filter %d\n", filter);   
   switch ((enum java_awt_rendering_hints_filter) filter)
     {
     case java_awt_rendering_hints_VALUE_INTERPOLATION_NEAREST_NEIGHBOR:
       cairo_surface_set_filter (gr->surface, CAIRO_FILTER_NEAREST);
       break;
     case java_awt_rendering_hints_VALUE_INTERPOLATION_BILINEAR:
       cairo_surface_set_filter (gr->surface, CAIRO_FILTER_BILINEAR);
       break; 
     case java_awt_rendering_hints_VALUE_ALPHA_INTERPOLATION_SPEED:
       cairo_surface_set_filter (gr->surface, CAIRO_FILTER_FAST);
       break;
     case java_awt_rendering_hints_VALUE_ALPHA_INTERPOLATION_DEFAULT:
       cairo_surface_set_filter (gr->surface, CAIRO_FILTER_NEAREST);
       break;
     case java_awt_rendering_hints_VALUE_ALPHA_INTERPOLATION_QUALITY:
       cairo_surface_set_filter (gr->surface, CAIRO_FILTER_BEST);
       break;
     }
   gdk_threads_leave();
}