Class: RWin::Canvas

Inherits:
Data
  • Object
show all
Defined in:
ext/rwin/rw_graphics.c

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(arg) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 89

static VALUE
rwcvs_initialize(VALUE self, VALUE arg){
    RwWindow *rw;
    RwCanvas *cv = DATA_PTR(self);
    switch (TYPE(arg)){
      case T_FIXNUM:
      case T_BIGNUM:
	cv->hdc = (HDC)NUM2HANDLE(arg);
	break;
      default:
	RwWindow_Data_Get_Struct(arg, rw);
	RwCheckWindow(rw);
	cv->hwnd = rw->hwnd;
	cv->hdc = GetDC(rw->hwnd);
	break;
    }
    return self;
}

Class Method Details

.draw(arg) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 60

static VALUE
rwcvs1_draw(VALUE klass, VALUE arg){
    RwCanvas *cv;
    RwWindow *rw;
    VALUE obj = RwCanvas_Data_Make_Struct(klass, cv);
    switch (TYPE(arg)){
      case T_FIXNUM:
      case T_BIGNUM:
	cv->hdc = (HDC)NUM2HANDLE(arg);
	break;
      default:
	RwWindow_Data_Get_Struct(arg, rw);
	RwCheckWindow(rw);
	cv->hwnd = rw->hwnd;
	cv->hdc = GetDC(rw->hwnd);
	break;
    }
    if(!rb_block_given_p()){
	rb_raise(rb_eArgError, "Need block");
    } else{
	rb_yield(obj);
	if (cv->hwnd){
	    ReleaseDC(cv->hwnd, cv->hdc);
	    cv->hdc = NULL;
	}
    }
    return obj;
}

Instance Method Details

#_hdc ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 119

static VALUE
rwcvs_gethdc(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return INT2NUM((ULONG_PTR)cv->hdc);
}

#AngleArc(v_x, v_y, v_radius, v_startangle, v_sweepangle) ⇒ Object

Lines



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# File 'ext/rwin/rw_graphics.c', line 126

static VALUE
rwcvs_anglearc(VALUE self, VALUE v_x, VALUE v_y,
		VALUE v_radius, VALUE v_startangle, VALUE v_sweepangle){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = AngleArc(cv->hdc, FIX2INT(v_x), FIX2INT(v_y), FIX2INT(v_radius),
		 NUM2DBL(v_startangle), NUM2DBL(v_sweepangle));
    return r ? Qtrue : Qfalse;
}

#Arc(v_left, v_top, v_right, v_bottom, v_xstartarc, v_ystartarc, v_xendarc, v_yendarc) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 136

static VALUE
rwcvs_arc(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom,
	   VALUE v_xstartarc, VALUE v_ystartarc, VALUE v_xendarc, VALUE v_yendarc){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = Arc(cv->hdc, FIX2INT(v_left), FIX2INT(v_top), FIX2INT(v_right), FIX2INT(v_bottom),
	FIX2INT(v_xstartarc), FIX2INT(v_ystartarc), FIX2INT(v_xendarc), FIX2INT(v_yendarc));
    return r ? Qtrue : Qfalse;
}

#ArcTo(v_left, v_top, v_right, v_bottom, v_xradial1, v_yradial1, v_xradial2, v_yrasial2) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 146

static VALUE
rwcvs_arcto(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom,
	   VALUE v_xradial1, VALUE v_yradial1, VALUE v_xradial2, VALUE v_yrasial2){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = ArcTo(cv->hdc, FIX2INT(v_left), FIX2INT(v_top), FIX2INT(v_right), FIX2INT(v_bottom),
	FIX2INT(v_xradial1), FIX2INT(v_yradial1), FIX2INT(v_xradial2), FIX2INT(v_yrasial2));
    return r ? Qtrue : Qfalse;
}

#BitBlt(*args) ⇒ Object

BitBlt

Usage:
BitBlt(dst_x, dst_y, src_obj, rop=SRCCOPY) #or
BitBlt(dst_x, dst_y, dst_w, dst_h, src_obj, src_x, src_y, rop=SRCCOPY)



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# File 'ext/rwin/rw_graphics.c', line 660

static VALUE
rwcvs_bitblt(int argc, VALUE *argv, VALUE self){
    VALUE v_src;
    int r;
    BITMAP bmp;
    HDC hdcsrc;
    int xdst, ydst, wdst, hdst, xsrc, ysrc;
    DWORD rop = SRCCOPY;
    BOOL src_is_canvas = FALSE;
    RwCanvas *cv = DATA_PTR(self);
    xdst = ydst = xsrc = ysrc = wdst = hdst = 0;
    
    if(argc > 6){
	xdst = FIX2INT(*argv++);
	ydst = FIX2INT(*argv++);
	wdst = FIX2INT(*argv++);
	hdst = FIX2INT(*argv++);
	v_src = *argv++;
	xsrc = FIX2INT(*argv++);
	ysrc = FIX2INT(*argv++);
	if (argc==8) rop = NUM2UINT(*argv++);
    } else {
	if (argc>4)  rb_raise(rb_eArgError, "Illegal num of args: %d", argc);
	if (src_is_canvas) rb_raise(rb_eArgError, "x, y, w, h needed when source is Canvas");
	xdst = FIX2INT(*argv++);
	ydst = FIX2INT(*argv++);
	v_src = *argv++;
	if (argc==4) rop = NUM2UINT(*argv++);
	xsrc = 0;
	ysrc = 0;
    }
    
    if(rb_typeddata_is_kind_of(v_src, &rwbitmap_data_type)){
	HBITMAP hbmp;
	RwBitmap *bmsrc;
	RwBitmap_Data_Get_Struct(v_src, bmsrc);
	hbmp = bmsrc->hbitmap;
	hdcsrc = bmsrc->hdc;
	GetObject(hbmp, sizeof(BITMAP), &bmp);
	wdst = bmp.bmWidth;
	hdst = bmp.bmHeight;
    }else if(rb_typeddata_is_kind_of(v_src, &rwcanvas_data_type)){
	RwCanvas *cvsrc;
	RwCanvas_Data_Get_Struct(v_src, cvsrc);
	hdcsrc = cvsrc->hdc;
	src_is_canvas = TRUE;
    } else {
	rb_raise(rb_eArgError, "Source is Neither Bitmap nor Canvas");
    }
    
    r = BitBlt(cv->hdc, xdst, ydst, wdst, hdst, hdcsrc, xsrc, ysrc, rop);
    return r ? Qtrue : Qfalse;
}

#Chord(v_left, v_top, v_right, v_bottom, v_xradial1, v_yradial1, v_xradial2, v_yradial2) ⇒ Object

Filled Shapes



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# File 'ext/rwin/rw_graphics.c', line 308

static VALUE
rwcvs_chord(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom,
	     VALUE v_xradial1, VALUE v_yradial1, VALUE v_xradial2, VALUE v_yradial2){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = Chord(cv->hdc, FIX2INT(v_left), FIX2INT(v_top), FIX2INT(v_right), FIX2INT(v_bottom),
	      FIX2INT(v_xradial1), FIX2INT(v_yradial1), FIX2INT(v_xradial2), FIX2INT(v_yradial2));
    return r ? Qtrue : Qfalse;
}

#DrawIcon(v_icon, v_x, v_y) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 968

static VALUE
rwcvs_drawicon(VALUE self, VALUE v_icon, VALUE v_x, VALUE v_y){
    RwIcon *ri;
    RwCanvas *cv = DATA_PTR(self);
    if (!rb_typeddata_is_kind_of(v_icon, &rwicon_data_type)){
	rb_raise(rb_eArgError,"RWin::Icon required.");
    }
    RwIcon_Data_Get_Struct(v_icon, ri);
    return DrawIcon(cv->hdc, FIX2INT(v_x), FIX2INT(v_y), ri->hicon) ? Qtrue : Qnil;
}

#DrawImagelist(*args) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 979

static VALUE
rwcvs_drawimagelist(int argc, VALUE *argv, VALUE self){
    VALUE v_imglist, v_idx, v_x, v_y, v_style;
    int style;
    RwImagelist *ri;
    RwCanvas *cv = DATA_PTR(self);
    rb_scan_args(argc, argv, "41", &v_imglist, &v_idx, &v_x, &v_y, &v_style);
    if (!rb_typeddata_is_kind_of(v_imglist, &rwimagelist_data_type)){
	rb_raise(rb_eArgError,"RWin::Imagelist required.");
    }
    RwImagelist_Data_Get_Struct(v_imglist, ri);
    style = NIL_P(v_style) ? ILD_NORMAL : FIX2INT(v_style);
   return ImageList_Draw(ri->himagelist, FIX2INT(v_idx),
			 cv->hdc, FIX2INT(v_x), FIX2INT(v_y),style) ? Qtrue : Qnil;
}

#DrawText(*args) ⇒ Object

Texts



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# File 'ext/rwin/rw_graphics.c', line 526

static VALUE
rwcvs_drawtext(int argc, VALUE *argv, VALUE self){
    int r;
    size_t n;
    VALUE v_text, v_format;
    RECT rc;
    RECT *rect;
    TCHAR* text;
    RwCanvas *cv = DATA_PTR(self);
    v_text = argv[0];
    if(TYPE(v_text)!=T_STRING) rb_raise(rb_eTypeError, "1st argument must be string");
    text = rw_str2tchar2(v_text, &n);
    n = n/sizeof(TCHAR);
    if (rb_typeddata_is_kind_of(argv[1], &cstruct_data_type)){
	VALUE v_rect;
	CStructData *cs;
	rb_scan_args(argc, argv, "21", &v_text, &v_rect, &v_format);
	CStruct_Data_Get_Struct(v_rect, cs);
	rect = (RECT*)(cs->dtstr + cs->dtoffset);
    } else if(argc<5){
	VALUE v_x, v_y;
	rb_scan_args(argc, argv, "31", &v_text, &v_x, &v_y, &v_format);
	rc.left = FIX2INT(v_x);
	rc.top  = FIX2INT(v_y);
	DrawText(cv->hdc, text, n, &rc, DT_CALCRECT);
	rect = &rc;
    }else{
	VALUE v_left, v_top, v_right, v_bottom;
	rb_scan_args(argc, argv, "51", &v_text, &v_left, &v_top, &v_right, &v_bottom, &v_format);
	rc.left = FIX2INT(v_left);
	rc.top = FIX2INT(v_top);
	rc.right = FIX2INT(v_right);
	rc.bottom = FIX2INT(v_bottom);
	rect = &rc;
    }
    r = DrawText(cv->hdc, text, n, rect, NIL_P(v_format) ? DT_LEFT : FIX2INT(v_format));
    return r ? v_text : Qnil;    
}

#Ellipse(v_left, v_top, v_right, v_bottom) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 318

static VALUE
rwcvs_ellipse(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = Ellipse(cv->hdc, FIX2INT(v_left), FIX2INT(v_top), FIX2INT(v_right), FIX2INT(v_bottom));
    return r ? Qtrue : Qfalse;
}

#FillRect(v_left, v_top, v_right, v_bottom, v_brush) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 326

static VALUE
rwcvs_fillrect(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom,
		VALUE v_brush){
    int r;
    RECT rct;
    HBRUSH hbrush;
    RwCanvas *cv = DATA_PTR(self);
    rct.left = FIX2INT(v_left);
    rct.top = FIX2INT(v_top);
    rct.right = FIX2INT(v_right);
    rct.bottom = FIX2INT(v_bottom);
    if(rb_typeddata_is_kind_of(v_brush, &rwbrush_data_type)){
	RwBrush *rb;
	RwBrush_Data_Get_Struct(v_brush, rb);
	hbrush = rb->hbrush;
    } else {
	hbrush = (HBRUSH)NUM2HANDLE(v_brush);
    }
    r = FillRect(cv->hdc, &rct, hbrush);
    return r ? Qtrue : Qfalse;
}

#FloodFill(*args) ⇒ Object

Bitmaps



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# File 'ext/rwin/rw_graphics.c', line 641

static VALUE
rwcvs_floodfill(int argc, VALUE *argv, VALUE self){
    int r;
    UINT filltype;
    VALUE v_x, v_y, v_color, v_filltype;
    RwCanvas *cv = DATA_PTR(self);
    rb_scan_args(argc, argv, "31", &v_x, &v_y, &v_color, &v_filltype);
    filltype = (NIL_P(v_filltype) || !v_filltype)? FLOODFILLBORDER : FLOODFILLSURFACE;
    r = ExtFloodFill(cv->hdc, FIX2INT(v_x), FIX2INT(v_y), FIX2INT(v_color), filltype);
    return r ? Qtrue : Qfalse;
}

#FrameRect(v_left, v_top, v_right, v_bottom, v_hbrush) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 348

static VALUE
rwcvs_framerect(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom,
		VALUE v_hbrush){
    int r;
    RECT rct;
    RwCanvas *cv = DATA_PTR(self);
    rct.left = FIX2INT(v_left);
    rct.top = FIX2INT(v_top);
    rct.right = FIX2INT(v_right);
    rct.bottom = FIX2INT(v_bottom);
    r = FrameRect(cv->hdc, &rct, (HBRUSH)NUM2HANDLE(v_hbrush));
    return r ? Qtrue : Qfalse;
}

#GetArcDirection ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 156

static VALUE
rwcvs_getarcdir(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return INT2FIX(GetArcDirection(cv->hdc));
}

#GetBkColor ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 596

static VALUE
rwcvs_getbkcolor(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return UINT2NUM(GetBkColor(cv->hdc));
}

#GetDeviceCaps(v_idx) ⇒ Object

DeviceCaps



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# File 'ext/rwin/rw_graphics.c', line 996

static VALUE
rwcvs_getdevcaps(VALUE self, VALUE v_idx){
    RwCanvas *cv = DATA_PTR(self);
    return INT2NUM(GetDeviceCaps(cv->hdc, FIX2INT(v_idx)));
}

#GetLogPixels ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 1002

static VALUE
rwcvs_getlogpixels(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return rb_ary_new3(2, INT2FIX(GetDeviceCaps(cv->hdc,LOGPIXELSX)),
		       INT2FIX(GetDeviceCaps(cv->hdc,LOGPIXELSX)));
}

#GetROP2 ⇒ Object

Raster Operations



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# File 'ext/rwin/rw_graphics.c', line 1016

VALUE
rwcvs_getrop2(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return INT2FIX(GetROP2(cv->hdc));
}

#GetStretchBltMode ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 869

static VALUE
rwcvs_getstretchmode(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return INT2NUM(GetStretchBltMode(cv->hdc));
}

#GetSysColor(v_index) ⇒ Object

SysColor



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# File 'ext/rwin/rw_graphics.c', line 634

static VALUE
rwcvs_getsyscolor(VALUE self, VALUE v_index){
    return INT2FIX(GetSysColor(NUM2INT(v_index)));
}

#GetTextColor ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 583

static VALUE
rwcvs_gettextcolor(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return INT2FIX(GetTextColor(cv->hdc));
}

#GetTextExtent(v_text) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 602

static VALUE
swingdi_gettextextent(VALUE self, VALUE v_text){
    VALUE v_ret;
    TCHAR *text;
    SIZE sz;
    int n;
    RwCanvas *cv = DATA_PTR(self);
    text = rw_str2tchar(v_text);
    n = RSTRING_LEN(v_text);
    GetTextExtentPoint(cv->hdc, text, n, &sz);
    v_ret = rb_ary_new2(2);
    rb_ary_store(v_ret, 0, INT2FIX(sz.cx));
    rb_ary_store(v_ret, 1, INT2FIX(sz.cy));
    return v_ret;
}

#InvertRect(v_left, v_top, v_right, v_bottom) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 362

static VALUE
rwcvs_invertrect(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom){
    int r;
    RECT rct;
    RwCanvas *cv = DATA_PTR(self);
    rct.left = FIX2INT(v_left);
    rct.top = FIX2INT(v_top);
    rct.right = FIX2INT(v_right);
    rct.bottom = FIX2INT(v_bottom);
    r = InvertRect(cv->hdc, &rct);
    return r ? Qtrue : Qfalse;
}

#LineTo(v_x, v_y) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 170

static VALUE
rwcvs_lineto(VALUE self, VALUE v_x, VALUE v_y){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = LineTo(cv->hdc, FIX2INT(v_x), FIX2INT(v_y));
    return r ? Qtrue : Qfalse;
}

#MaskBlt(*args) ⇒ Object

MaskBlt

Usage:
# default_rop = MAKEROP4(SRCCOPY, 0xAA0029) #(background is transparent)
MaskBlt(dst_x, dst_y, src_obj, mask_obj, rop=default_rop) # or
MaskBlt(dst_x, dst_y, dst_w, dst_h, src_obj, src_x, src_y, mask_obj, rop=default_rop)



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# File 'ext/rwin/rw_graphics.c', line 720

static VALUE
rwcvs_maskblt(int argc, VALUE *argv, VALUE self){
    int r;
    HBITMAP hbmask;
    HDC hdcsrc;
    int xdst, ydst, wdst, hdst, xsrc, ysrc, xmask, ymask;
    BOOL src_is_canvas = FALSE;
    DWORD rop = MAKEROP4(SRCCOPY, 0xAA0029); // background is transparent
    VALUE v_src, v_mask; 
    RwCanvas *cv = DATA_PTR(self);
    xdst = ydst = wdst = hdst = xsrc = ysrc = xmask = ymask = 0;
    
    if(argc > 7){
	xdst = FIX2INT(*argv++);
	ydst = FIX2INT(*argv++);
	wdst = FIX2INT(*argv++);
	hdst = FIX2INT(*argv++);
	v_src = *argv++;
	xsrc = FIX2INT(*argv++);
	ysrc = FIX2INT(*argv++);
	v_mask = *argv++; 
	if (argc==9) rop = NUM2UINT(*argv++);
    } else {
	if(argc > 5) rb_raise(rb_eArgError, "Illegal num of args: %d", argc);
	if (src_is_canvas) rb_raise(rb_eArgError, "x, y, w, h needed when source is Canvas");
	xdst = FIX2INT(*argv++);
	ydst = FIX2INT(*argv++);
	v_src = *argv++;
	v_mask = *argv++; 
	if (argc==5) rop = NUM2UINT(*argv++);
    }
    
    if(rb_typeddata_is_kind_of(v_src, &rwbitmap_data_type)){
	BITMAP bmp;
	HBITMAP hbmp;
	RwBitmap *bmsrc;
	RwBitmap_Data_Get_Struct(v_src, bmsrc);
	hbmp = bmsrc->hbitmap;
	hdcsrc = bmsrc->hdc;
	GetObject(hbmp, sizeof(BITMAP), &bmp);
	wdst = bmp.bmWidth;
	hdst = bmp.bmHeight;
    }else if(rb_typeddata_is_kind_of(v_src, &rwcanvas_data_type)){
	RwCanvas *cvsrc;
	RwCanvas_Data_Get_Struct(v_src, cvsrc);
	hdcsrc = cvsrc->hdc;
	src_is_canvas = TRUE;
    } else {
	rb_raise(rb_eArgError, "Source is Neither Bitmap nor Canvas");
    }

    if (NIL_P(v_mask)){
	hbmask = 0;
    } else if(rb_typeddata_is_kind_of(v_mask, &rwbitmap_data_type)){
	BITMAP bmm;
	RwBitmap *bmmask;
	RwBitmap_Data_Get_Struct(v_mask, bmmask);
	hbmask = bmmask->hbitmap;
	GetObject(hbmask, sizeof(BITMAP), &bmm);
	if(bmm.bmBitsPixel>1) rb_raise(rb_eArgError, "Mask isn't monochrome");
    } else {
	rb_raise(rb_eArgError, "Mask isn't Bitmap");
    }
    
    r = MaskBlt(cv->hdc, xdst, ydst, wdst, hdst, hdcsrc, xsrc, ysrc, hbmask, xmask, ymask, rop);
    return r ? Qtrue : Qfalse;
}

#MoveTo(v_x, v_y) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 162

static VALUE
rwcvs_moveto(VALUE self, VALUE v_x, VALUE v_y){
    POINT pt;
    RwCanvas *cv = DATA_PTR(self);
    MoveToEx(cv->hdc, FIX2INT(v_x), FIX2INT(v_y), &pt);
    return rb_ary_new3(2, INT2FIX(pt.x), INT2FIX(pt.y));
}

#Opaque ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 626

static VALUE
rwcvs_bkmode_opaque(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return SetBkMode(cv->hdc, OPAQUE) ? Qtrue : Qfalse;
}

#PatBlt(*args) ⇒ Object

PatBlt

Usage:
PatBlt(x, y, w, h, rop=PATCOPY)



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# File 'ext/rwin/rw_graphics.c', line 792

static VALUE
rwcvs_patblt(int argc, VALUE *argv, VALUE self){
    int r;
    VALUE v_x, v_y, v_w, v_h, v_rop;
    RwCanvas *cv = DATA_PTR(self);
    rb_scan_args(argc, argv, "41", &v_x, &v_y, &v_w, &v_h, &v_rop);
    r = PatBlt(cv->hdc, FIX2INT(v_x), FIX2INT(v_y), FIX2INT(v_w), FIX2INT(v_h),
	       NIL_P(v_rop) ? PATCOPY : NUM2UINT(v_rop));
    return r ? Qtrue : Qfalse;
}

#Pie(v_left, v_top, v_right, v_bottom, v_xradial1, v_yradial1, v_xradial2, v_yradial2) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 375

static VALUE
rwcvs_pie(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom,
	     VALUE v_xradial1, VALUE v_yradial1, VALUE v_xradial2, VALUE v_yradial2){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = Pie(cv->hdc, FIX2INT(v_left), FIX2INT(v_top), FIX2INT(v_right), FIX2INT(v_bottom),
	      FIX2INT(v_xradial1), FIX2INT(v_yradial1), FIX2INT(v_xradial2), FIX2INT(v_yradial2));
    return r ? Qtrue : Qfalse;
}

#PlgBlt(*args) ⇒ Object

PlgBlt

Usage:
PlgBlt(dst_pt1, dst_pt2, dst_pt3, src_obj, mask=nil) # or
PlgBlt(dst_pt1, dst_pt2, dst_pt3, src_obj, src_x, src_y, src_w, src_h, mask=nil)



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# File 'ext/rwin/rw_graphics.c', line 888

static VALUE
rwcvs_plgblt(int argc, VALUE *argv, VALUE self){
    POINT pt[3];
    BITMAP bmp;
    HBITMAP hbmask;
    VALUE v_src;
    VALUE v_pt1, v_pt2, v_pt3;
    HDC hdcsrc;
    int xsrc, ysrc, wsrc, hsrc, r;
    BOOL src_is_canvas = FALSE;
    VALUE v_mask = Qnil;
//    VALUE v_src = *argv++;
    RwCanvas *cv = DATA_PTR(self);
    xsrc = ysrc =  wsrc = hsrc = 0;
    
    if (argc > 7){
	v_pt1 = *argv++;
	v_pt2 = *argv++;
	v_pt3 = *argv++;
	v_src = *argv++;
	xsrc = FIX2INT(*argv++);
	ysrc = FIX2INT(*argv++);
	wsrc = FIX2INT(*argv++);
	hsrc = FIX2INT(*argv++);
	if (argc==9) v_mask = *argv++;
    } else if(argc > 3) {
	if (src_is_canvas) rb_raise(rb_eArgError, "x, y, w, h needed when source is Canvas");
	v_pt1 = *argv++;
	v_pt2 = *argv++;
	v_pt3 = *argv++;
	v_src = *argv++;
	if (argc==5) v_mask = *argv++;
    }else{
	rb_raise(rb_eArgError, "Illegal num of args: %d", argc);
    }
    if(TYPE(v_pt1)!=T_ARRAY || TYPE(v_pt2)!=T_ARRAY || TYPE(v_pt3)!=T_ARRAY){
	rb_raise(rb_eArgError, "First 3 arguments msut be arrays");
    }
    if(rb_typeddata_is_kind_of(v_src, &rwbitmap_data_type)){
	HBITMAP hbmp;
	RwBitmap *bmsrc;
	RwBitmap_Data_Get_Struct(v_src, bmsrc);
	hbmp = bmsrc->hbitmap;
	hdcsrc = bmsrc->hdc;
	GetObject(hbmp, sizeof(BITMAP), &bmp);
	wsrc = bmp.bmWidth;
	hsrc = bmp.bmHeight;
    }else if(rb_typeddata_is_kind_of(v_src, &rwcanvas_data_type)){
	RwCanvas *cvsrc;
	RwCanvas_Data_Get_Struct(v_src, cvsrc);
	hdcsrc = cvsrc->hdc;
	src_is_canvas = TRUE;
    } else {
	rb_raise(rb_eArgError, "Source is Neither Bitmap nor Canvas");
    }
    
    pt[0].x = FIX2INT(rb_ary_entry(v_pt1, 0));
    pt[0].y = FIX2INT(rb_ary_entry(v_pt1, 1));
    pt[1].x = FIX2INT(rb_ary_entry(v_pt2, 0));
    pt[1].y = FIX2INT(rb_ary_entry(v_pt2, 1));
    pt[2].x = FIX2INT(rb_ary_entry(v_pt3, 0));
    pt[2].y = FIX2INT(rb_ary_entry(v_pt3, 1));
    
    if (NIL_P(v_mask)){
	hbmask = 0;
    } else if(rb_typeddata_is_kind_of(v_mask, &rwbitmap_data_type)){
	BITMAP bmm;
	RwBitmap *bmmask;
	RwBitmap_Data_Get_Struct(v_mask, bmmask);
	hbmask = bmmask->hbitmap;
	GetObject(hbmask, sizeof(BITMAP), &bmm);
	if(bmm.bmBitsPixel>1) rb_raise(rb_eArgError, "Mask isn't monochrome");
    } else {
	rb_raise(rb_eArgError, "Mask isn't Bitmap");
    }
    
    r = PlgBlt(cv->hdc, pt, hdcsrc, xsrc, ysrc, wsrc, hsrc, hbmask, 0, 0);
    return r ? Qtrue : Qfalse;
}

#PolyBezier(*args) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 178

static VALUE
rwcvs_polybezier(int argc, VALUE* argv, VALUE self){
    int r = 0;
    RwCanvas *cv = DATA_PTR(self);
    if (argc > 2){
	int i;
	POINT *pts = alloca(argc*sizeof(POINT));
	for (i=0; i<argc; i++){
	    VALUE ar = argv[i];
	    pts[i].x = FIX2INT(rb_ary_entry(ar, 0));
	    pts[i].y = FIX2INT(rb_ary_entry(ar, 1));
	}
	r = PolyBezier(cv->hdc, (POINT*)&pts, (DWORD)argc);
    }
    return r ? Qtrue : Qfalse;
}

#PolyBezierTo(*args) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 195

static VALUE
rwcvs_polybezierto(int argc, VALUE* argv, VALUE self){
    int r = 0;
    RwCanvas *cv = DATA_PTR(self);
    if (argc > 2){
	int i;
	POINT *pts = alloca(argc*sizeof(POINT));
	for (i=0; i<argc; i++){
	    VALUE ar = argv[i];
	    pts[i].x = FIX2INT(rb_ary_entry(ar, 0));
	    pts[i].y = FIX2INT(rb_ary_entry(ar, 1));
	}
	r = PolyBezierTo(cv->hdc, (POINT*)&pts, (DWORD)argc);
    }
    return r ? Qtrue : Qfalse;
}

#PolyDraw(*args) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 212

static VALUE
rwcvs_polydraw(int argc, VALUE* argv, VALUE self){
    int r = 0;
    RwCanvas *cv = DATA_PTR(self);
    if (argc > 0){
	int i;
	POINT *pts = alloca(argc*sizeof(POINT));
	BYTE *types = alloca(argc);
	for (i=0; i<argc; i++){
	    VALUE ar = argv[i];
	    pts[i].x = FIX2INT(rb_ary_entry(ar, 0));
	    pts[i].y = FIX2INT(rb_ary_entry(ar, 1));
	    types[i] = (BYTE)FIX2INT(rb_ary_entry(ar, 2));
	}
	r = PolyDraw(cv->hdc, (POINT*)&pts, (BYTE*)&types, (DWORD)argc);
    }
    return r ? Qtrue : Qfalse;
}

#Polygon(*args) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 386

static VALUE
rwcvs_polygon(int argc, VALUE* argv, VALUE self){
    if(argc > 1){
	int r;
	int i;
	POINT *pt = alloca(argc*sizeof(POINT));
	RwCanvas *cv = DATA_PTR(self);
	for (i=0; i<argc; i++){
	    VALUE v_pt = argv[i];
	    pt[i].x = FIX2INT(rb_ary_entry(v_pt, 0));
	    pt[i].y = FIX2INT(rb_ary_entry(v_pt, 1));
	}
	r = Polygon(cv->hdc, (POINT*)&pt, argc);
	return r ? Qtrue : Qfalse;
    }
    return Qfalse;
}

#Polyline(*args) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 231

static VALUE
rwcvs_polyline(int argc, VALUE* argv, VALUE self){
    int r = 0;
    RwCanvas *cv = DATA_PTR(self);
    if (argc>0){
	int i;
	POINT *pts = alloca(argc*sizeof(POINT));
	for (i=0; i<argc; i++){
	    VALUE ar = argv[i];
	    pts[i].x = FIX2INT(rb_ary_entry(ar, 0));
	    pts[i].y = FIX2INT(rb_ary_entry(ar, 1));
	}
	r = Polyline(cv->hdc, (POINT*)&pts, argc);
    }
    return r ? Qtrue : Qfalse;
}

#PolylineTo(*args) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 248

static VALUE
rwcvs_polylineto(int argc, VALUE* argv, VALUE self){
    int r = 0;
    RwCanvas *cv = DATA_PTR(self);
    if (argc>0){
	int i;
	POINT *pts = alloca(argc*sizeof(POINT));
	for (i=0; i<argc; i++){
	    VALUE ar = argv[i];
	    pts[i].x = FIX2INT(rb_ary_entry(ar, 0));
	    pts[i].y = FIX2INT(rb_ary_entry(ar, 1));
	}
	r = PolylineTo(cv->hdc, (POINT*)&pts, argc);
    }
    return r ? Qtrue : Qfalse;
}

#PolyPolygon(*args) ⇒ Object

Not Tested



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# File 'ext/rwin/rw_graphics.c', line 404

static VALUE
rwcvs_polypolygon(int argc, VALUE* argv, VALUE self){ // Not tested
    if(argc > 0){
	int i;
	int *polycounts = alloca(argc*sizeof(int));
	int npoints = 0;
	RwCanvas *cv = DATA_PTR(self);
	for (i=0; i<argc; i++){
	    polycounts[i] = RARRAY_LEN(argv[i]);
	    npoints += polycounts[i];
	}
	if(npoints){
	    int r;
	    POINT *pts = alloca(npoints*sizeof(POINT));
	    int n = 0;
	    for (i=0; i<argc; i++){
		int j;
		VALUE ar = argv[i];
		for (j=0; j<polycounts[i]; j++){
		    VALUE a = rb_ary_entry(ar, j);
		    pts[n].x = FIX2INT(rb_ary_entry(a, 0));
		    pts[n].y = FIX2INT(rb_ary_entry(a, 1));
		    n++;
		}
	    }
	    
	    r = PolyPolygon(cv->hdc, (POINT*)&pts, (int*)&polycounts, argc);
	    return r ? Qtrue : Qfalse;
	}
    }
    return Qfalse;
}

#PolyPolyline(*args) ⇒ Object

Not Tested



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# File 'ext/rwin/rw_graphics.c', line 265

static VALUE
rwcvs_polypolyline(int argc, VALUE* argv, VALUE self){
    if(argc > 0){
	int i;
	int *polycounts = alloca(argc*sizeof(int));
	int npoints = 0;
	RwCanvas *cv = DATA_PTR(self);
	for (i=0; i<argc; i++){
	    polycounts[i] = RARRAY_LEN(argv[i]);
	    npoints += polycounts[i];
	}
	if(npoints){
	    int r;
	    POINT *pts = alloca(npoints*sizeof(POINT));
	    int n = 0;
	    for (i=0; i<argc; i++){
		int j;
		VALUE ar = argv[i];
		for (j=0; j<polycounts[i]; j++){
		    VALUE a = rb_ary_entry(ar, j);
		    pts[n].x = FIX2INT(rb_ary_entry(a, 0));
		    pts[n].y = FIX2INT(rb_ary_entry(a, 1));
		    n++;
		}
	    }
	    
	    r = PolyPolyline(cv->hdc, (POINT*)&pts, (DWORD*)&polycounts, argc);
	    return r ? Qtrue : Qfalse;
	}
    }
    return Qfalse;
}

#Rectangle(v_left, v_top, v_right, v_bottom) ⇒ Object

Not Tested



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# File 'ext/rwin/rw_graphics.c', line 437

static VALUE
rwcvs_rectangle(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = Rectangle(cv->hdc, FIX2INT(v_left), FIX2INT(v_top),
		  FIX2INT(v_right), FIX2INT(v_bottom));
    return r ? Qtrue : Qfalse;
}

#release ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 108

static VALUE
rwcvs_release(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    if(cv->hwnd && cv->hdc){
	ReleaseDC(cv->hwnd, cv->hdc);
	cv->hdc = NULL;
	return Qtrue;
    }
    return Qfalse;
}

#RoundRect(v_left, v_top, v_right, v_bottom, v_width, v_height) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 446

static VALUE
rwcvs_roundrect(VALUE self, VALUE v_left, VALUE v_top, VALUE v_right, VALUE v_bottom,
		 VALUE v_width, VALUE v_height){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = RoundRect(cv->hdc, FIX2INT(v_left), FIX2INT(v_top), FIX2INT(v_right), FIX2INT(v_bottom),
		  FIX2INT(v_width), FIX2INT(v_height));
    return r ? Qtrue : Qfalse;
}

#SetArcDirection(v_arcdir) ⇒ Object

Not Tested



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# File 'ext/rwin/rw_graphics.c', line 298

static VALUE
rwcvs_setarcdir(VALUE self, VALUE v_arcdir){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = SetArcDirection(cv->hdc, FIX2INT(v_arcdir));
    return INT2FIX(r);
}

#SetBkColor(color) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 589

static VALUE
rwcvs_setbkcolor(VALUE self, VALUE color){
    RwCanvas *cv = DATA_PTR(self);
    SetBkColor(cv->hdc, NUM2UINT(color));
    return color;
}

#SetBrush(v_brush) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 482

static VALUE
rwcvs_setbrush(VALUE self, VALUE v_brush){
    RwCanvas *cv = DATA_PTR(self);
    if (FIXNUM_P(v_brush)) { // RGB (Fastest!)
	COLORREF clr = SetDCBrushColor(cv->hdc, FIX2INT(v_brush));
	SelectObject(cv->hdc, GetStockObject(DC_BRUSH));
	return INT2FIX(clr);
    } else { // RWin::Brush
	RwBrush *brush;
	HPEN hborig;
	RwBrush_Data_Get_Struct(v_brush, brush);
	hborig = SelectObject(cv->hdc, brush->hbrush);
	return (VALUE)aaGetval(rsclist, (ULONG_PTR)hborig);
    }
}

#SetFont(v_font) ⇒ Object

Fonts



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# File 'ext/rwin/rw_graphics.c', line 508

static VALUE
rwcvs_setfont(VALUE self, VALUE v_font){
    RwFont *rf;
    HFONT hforig;
    RwCanvas *cv = DATA_PTR(self);
    RwFont_Data_Get_Struct(v_font, rf);
    hforig = SelectObject(cv->hdc, rf->hfont);
    return (VALUE)aaGetval(rsclist, (ULONG_PTR)hforig);
}

#SetHBrush(v_hbrush) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 498

static VALUE
rwcvs_sethbrush(VALUE self, VALUE v_hbrush){
    RwCanvas *cv = DATA_PTR(self);
    SelectObject(cv->hdc, (HBRUSH)NUM2HANDLE(v_hbrush));
    return Qtrue;
}

#SetHFont(v_hfont) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 518

static VALUE
rwcvs_sethfont(VALUE self, VALUE v_hfont){
    RwCanvas *cv = DATA_PTR(self);
    SelectObject(cv->hdc, (HFONT)NUM2HANDLE(v_hfont));
    return Qtrue;
}

#SetHPen(v_hpen) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 474

static VALUE
rwcvs_sethpen(VALUE self, VALUE v_hpen){
    RwCanvas *cv = DATA_PTR(self);
    SelectObject(cv->hdc, (HPEN)NUM2HANDLE(v_hpen));
    return Qtrue;
}

#SetPen(v_pen) ⇒ Object

Pens and Brushes



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# File 'ext/rwin/rw_graphics.c', line 458

static VALUE
rwcvs_setpen(VALUE self, VALUE v_pen){
    RwCanvas *cv = DATA_PTR(self);
    if (FIXNUM_P(v_pen)) { // RGB (Fastest!)
	COLORREF clr = SetDCPenColor(cv->hdc, FIX2INT(v_pen));
	SelectObject(cv->hdc, GetStockObject(DC_PEN));
	return INT2FIX(clr);
    } else { //SWin::Pen
	RwPen *pen;
	HPEN hporig;
	RwPen_Data_Get_Struct(v_pen, pen);
	hporig = SelectObject(cv->hdc, pen->hpen);
	return (VALUE)aaGetval(rsclist, (ULONG_PTR)hporig);
    }
}

#SetROP2(v_rop) ⇒ Object

RaterOperations



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# File 'ext/rwin/rw_graphics.c', line 1010

static VALUE
rwcvs_setrop2(VALUE self, VALUE v_rop){
    RwCanvas *cv = DATA_PTR(self);
    return INT2FIX(SetROP2(cv->hdc, FIX2INT(v_rop)));
}

#SetStretchBltMode(v_mode) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 875

static VALUE
rwcvs_setstretchmode(VALUE self, VALUE v_mode){
    int r;
    RwCanvas *cv = DATA_PTR(self);
    r = SetStretchBltMode(cv->hdc, NUM2INT(v_mode));    
    return r ? Qtrue : Qfalse;
}

#SetTextColor(color) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 576

static VALUE
rwcvs_settextcolor(VALUE self, VALUE color){
    RwCanvas *cv = DATA_PTR(self);
    SetTextColor(cv->hdc, FIX2INT(color));
    return color;
}

#StretchBlt(*args) ⇒ Object

StretchBlt

Usage:
StretchBlt(dst_x, dst_y, dst_w, dst_h, src_obj, rop=SRCCOPY) # or
StretchBlt(dst_x, dst_y, dst_w, dst_h, src_obj, src_x, src_y, src_w, src_h, rop=SRCCOPY)



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# File 'ext/rwin/rw_graphics.c', line 808

static VALUE
rwcvs_stretchblt(int argc, VALUE *argv, VALUE self){
    int r;
    BITMAP bmp;
    VALUE v_src;
    HDC hdcsrc;
    int xdst, ydst, wdst, hdst, xsrc, ysrc, wsrc, hsrc;
    BOOL src_is_canvas = FALSE;
    DWORD rop = SRCCOPY;
    RwCanvas *cv = DATA_PTR(self);
    xdst = ydst = xsrc = ysrc = wdst= hdst = wsrc = hsrc = 0;
    
    if(argc < 5 || argc > 10){
	rb_raise(rb_eArgError, "Illegal num of args: %d", argc);
    }
    if(argc > 8){ // This rayout must be change to set next of v_src.
	xdst = FIX2INT(*argv++);
	ydst = FIX2INT(*argv++);
	wdst = FIX2INT(*argv++);
	hdst = FIX2INT(*argv++);
	v_src = *argv++;
	xsrc = FIX2INT(*argv++);
	ysrc = FIX2INT(*argv++);
	wsrc = FIX2INT(*argv++);
	hsrc = FIX2INT(*argv++);
	if (argc==10) rop = FIX2INT(*argv++);
    } else if(argc > 4){
	if(src_is_canvas) rb_raise(rb_eArgError, "x, y, w, h needed when source is Canvas");
	xdst = FIX2INT(*argv++);
	ydst = FIX2INT(*argv++);
	wdst = FIX2INT(*argv++);
	hdst = FIX2INT(*argv++);
	v_src = *argv++;
	if (argc==6) rop = FIX2INT(*argv++);
	wsrc = wdst;
	hsrc = hdst;
    }
    if (!wdst || !hdst) rb_raise(rb_eRuntimeError, "Need x, y, w, h");
    
    if(rb_typeddata_is_kind_of(v_src, &rwbitmap_data_type)){
	HBITMAP hbmp;
	RwBitmap *bmsrc;
	RwBitmap_Data_Get_Struct(v_src, bmsrc);
	hbmp = bmsrc->hbitmap;
	hdcsrc = bmsrc->hdc;
	GetObject(hbmp, sizeof(BITMAP), &bmp);
	wdst = wsrc = bmp.bmWidth;
	hdst = hsrc = bmp.bmHeight;
    }else if(rb_typeddata_is_kind_of(v_src, &rwcanvas_data_type)){
	RwCanvas *cvsrc;
	RwCanvas_Data_Get_Struct(v_src, cvsrc);
	hdcsrc = cvsrc->hdc;
	src_is_canvas = TRUE;
    } else {
	rb_raise(rb_eArgError, "Source is Neither Bitmap nor Canvas");
    }
    
    r = StretchBlt(cv->hdc, xdst, ydst, wdst, hdst, hdcsrc, xsrc, ysrc, wsrc, hsrc, rop);
    return r ? Qtrue : Qfalse;
}

#TextOut(v_x, v_y, v_txt) ⇒ Object 



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# File 'ext/rwin/rw_graphics.c', line 565

static VALUE
rwcvs_textout(VALUE self, VALUE v_x, VALUE v_y, VALUE v_txt){
    TCHAR *txt;
    size_t len;
    RwCanvas *cv = DATA_PTR(self);
    if(TYPE(v_txt)!=T_STRING) rb_raise(rb_eTypeError, "3rd argument must be string");
    txt = rw_str2tchar2(v_txt, &len);
    TextOut(cv->hdc, FIX2INT(v_x), FIX2INT(v_y), txt, len/sizeof(TCHAR));
    return v_txt;
}

#Transparent ⇒ Object

Back mode



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# File 'ext/rwin/rw_graphics.c', line 620

static VALUE
rwcvs_bkmode_transparent(VALUE self){
    RwCanvas *cv = DATA_PTR(self);
    return SetBkMode(cv->hdc, TRANSPARENT) ? Qtrue : Qfalse;
}