void swfClip(double x0, double x1, double y0, double y1, pDevDesc dd)
{
#ifdef SWF_DEBUG
Rprintf("clip called\n");
#endif
pswfDesc swfInfo = (pswfDesc) dd->deviceSpecific;
SWFShape shape = newSWFShape();
SWFFillStyle fill;
/* Set previous clip layer to the appropriate depth */
if(swfInfo->currentClip)
{
SWFDisplayItem_endMask(swfInfo->currentClip);
}
/* Create new clip layer */
fill = newSWFSolidFillStyle(0xFF, 0xFF, 0xFF, 0xFF);
SWFShape_setRightFillStyle(shape, fill);
SWFArray_append(swfInfo->array, (SWFObject) fill);
SWFShape_movePenTo(shape, x0, y0);
SWFShape_drawLineTo(shape, x1, y0);
SWFShape_drawLineTo(shape, x1, y1);
SWFShape_drawLineTo(shape, x0, y1);
SWFShape_drawLineTo(shape, x0, y0);
SWFShape_end(shape);
swfInfo->currentClip = SWFMovieClip_add(swfInfo->currentFrame, (SWFBlock) shape);
SWFDisplayItem_setMaskLevel(swfInfo->currentClip, 99999);
}
/* R uses gc->col for text color, but actually we need to "fill" the outlines */
void swfSetTextColor(SWFShape shape, const pGEcontext gc, pswfDesc swfInfo)
{
SWFFillStyle fill;
fill = newSWFSolidFillStyle(R_RED(gc->col),
R_GREEN(gc->col),
R_BLUE(gc->col),
R_ALPHA(gc->col));
SWFShape_setRightFillStyle(shape, fill);
SWFArray_append(swfInfo->array, (SWFObject) fill);
}
static void MingSWFCircle(double x, double y, double r, const pGEcontext gc, pDevDesc RGD)
{
MingSWFDesc *MGD = (MingSWFDesc *)RGD->deviceSpecific;
SWFShape circle = newSWFShape();
SWFMovieClip mcCircle;
SWFDisplayItem display_item;
char strBuffer[1024];
mcCircle = newSWFMovieClip();
sprintf(strBuffer,"var Label = \"x=<b>%.2f</b>, y=%.2f\\nradius is %.2f\";",x,y,r);
SWFMovieClip_add(mcCircle, (SWFBlock) newSWFAction(strBuffer));
if (gc->fill){
SWFShape fcircle;
SWFFillStyle fill;
fcircle = newSWFShape();
SWFShape_movePenTo(fcircle, x, y);
MINGSWF_SET_COLOR(MGD,gc->fill);
fill = newSWFSolidFillStyle(MGD->red,MGD->green,MGD->blue,MGD->alpha);
SWFShape_setRightFillStyle(fcircle, fill);
Fixed_SWFShape_drawCircle(fcircle, r<2.0?2.0:r, 0 , 360);
/*SWFMovie_add(MGD->movie, (SWFBlock) fcircle);*/
SWFMovieClip_add(mcCircle, (SWFBlock) fcircle);
}
SWFShape_movePenTo(circle, x, y);
MINGSWF_SET_COLOR(MGD,gc->col);
MINGSWF_SET_LINE(MGD,circle,gc);
/* curve drawing is flawed with setLine2() for some reason */
/*SWFShape_setLine(circle,gc->lwd,MGD->red,MGD->green,MGD->blue,MGD->alpha);*/
/* SWFShape_drawCircle(circle, (int)(r<2.0?2.0:r)); */
Fixed_SWFShape_drawCircle(circle, r<2.0?2.0:r, 0 , 360);
/*SWFDisplayItem_moveTo(SWFMovie_add(MGD->movie, (SWFBlock) circle) , x, y);*/
/* SWFMovie_add(MGD->movie, (SWFBlock) circle);*/
/* destroySWFShape(circle); */
if (gc->fill){
/*destroySWFFillStyle(fill);*/
}
SWFMovieClip_add(mcCircle, (SWFBlock) circle);
SWFMovieClip_nextFrame(mcCircle);
/* Add Label Actions */
MingSWF_SetLabelActions(SWFMovie_add(MGD->movie, (SWFBlock) mcCircle));
#ifdef MINGSWFDEBUG
Rprintf("Circle(x=%f,y=%f,r=%f,gc=0x%x,RGD=0x%x)\n",x,y,r,gc,RGD);
Rprintf("\tuser coords: x=%f,y=%f\n",fromDeviceX(x,GE_NDC,MGD->RGE),fromDeviceY(y,GE_NDC,MGD->RGE));
#endif
}
static void MingSWFPolygon(int n, double *x, double *y, const pGEcontext gc, pDevDesc RGD)
{
int i;
MingSWFDesc *MGD = (MingSWFDesc *)RGD->deviceSpecific;
SWFShape line = newSWFShape();
if (gc->fill){
SWFShape fline;
SWFFillStyle fill;
fline = newSWFShape();
MINGSWF_SET_COLOR(MGD,gc->fill);
fill = newSWFSolidFillStyle(MGD->red,MGD->green,MGD->blue,MGD->alpha);
SWFShape_setRightFillStyle(fline, fill);
SWFShape_movePenTo(fline,x[0],y[0]);
i = 1;
while (i<n) {
SWFShape_drawLineTo(fline, x[i], y[i]);
i++;
}
/* For some reason fills bleed. So ensure they don't */
if (((int)x[0] != (int)x[n-1]) || ((int)y[0]!=(int)y[n-1]))
SWFShape_drawLineTo(fline, x[0], y[0]);
SWFMovie_add(MGD->movie, (SWFBlock) fline);
}
MINGSWF_SET_COLOR(MGD,gc->col);
MINGSWF_SET_LINE(MGD,line,gc);
SWFShape_movePenTo(line,x[0],y[0]);
i = 1;
while (i<n) {
SWFShape_drawLineTo(line, x[i], y[i]);
i++;
}
/*SWFDisplayItem_moveTo(SWFMovie_add(MGD->movie, (SWFBlock) line),0,0);*/
SWFMovie_add(MGD->movie, (SWFBlock) line);
/*destroySWFShape(line);*/
#ifdef MINGSWFDEBUG
{ int i=0;
Rprintf("Polygon(n=%d,x=0x%x,y=0x%x,gc=0x%x,RGD=0x%x)\n\tpoints: ",n,x,y,gc,RGD);
while(i<n){ Rprintf("(%.2f,%.2f) ",x[i],y[i]); i++;} Rprintf("\n");
}
#endif
}
static void SWF_SetFill(SWFShape shape, const pGEcontext plotParams,
swfDevDesc *swfInfo ){
/*
* Some Notes on Color
*
* R uses a 24-bit color model. Colors are specified in 32-bit
* integers which are partitioned into 4 bytes as follows.
*
* <-- most sig least sig -->
* +-------------------------------+
* | 0 | blue | green | red |
* +-------------------------------+
*
* The red, green and blue bytes can be extracted as follows.
*
* red = ((color ) & 255)
* green = ((color >> 8) & 255)
* blue = ((color >> 16) & 255)
*/
byte red = R_RED(plotParams->fill);
byte green = R_GREEN(plotParams->fill);
byte blue = R_BLUE(plotParams->fill);
//Top 8 bits: 255 = opaque, 0 = transparent
byte alpha = R_ALPHA(plotParams->fill);
if( swfInfo->debug == TRUE ){
fprintf(swfInfo->logFile,"\tFill: Red=%d, ",red);
fprintf(swfInfo->logFile,"Green=%d, ",green);
fprintf(swfInfo->logFile,"Blue=%d, ",blue);
fprintf(swfInfo->logFile,"Alpha=%d\n",alpha);
fflush(swfInfo->logFile);
}
SWFFillStyle fill_style;
fill_style = newSWFSolidFillStyle( red, green, blue, alpha );
if(fill_style == NULL)
error("Failed to allocate memory for fill object!");
SWFShape_setRightFillStyle(shape, fill_style);
}
SWFFillStyle
SWFShape_addSolidFillStyle(SWFShape shape, byte r, byte g, byte b, byte a)
{
int ret;
SWFFillStyle fill = newSWFSolidFillStyle(r, g, b, a);
ret = addFillStyle(shape, fill);
if(ret < 0) /* error */
{
destroySWFFillStyle(fill);
return NULL;
}
else if(ret == shape->nFills) /* new fill */
{
return fill;
}
else /* fill is known */
{
destroySWFFillStyle(fill);
return shape->fills[ret];
}
}
void SWF_addPlayerControls(double *x, double *y){
//Get the device info by pointer since this can be called from R
pDevDesc deviceInfo = GEcurrentDevice()->dev;
// Shortcut pointers to variables of interest.
swfDevDesc *swfInfo = (swfDevDesc *) deviceInfo->deviceSpecific;
// General variables
SWFDisplayItem playd;
SWFDisplayItem stopd;
// Fill styles we create
SWFFillStyle dark_blue_fill;
SWFFillStyle red_fill;
SWFFillStyle green_fill;
// Variables used for the play button
SWFAction play_action;
SWFButton play_button;
SWFButtonRecord play_record_down;
SWFButtonRecord play_record_up;
SWFShape play_shape_down;
SWFShape play_shape_up;
// Variables used for the stop button
SWFAction stop_action;
SWFButton stop_button;
SWFButtonRecord stop_record_down;
SWFButtonRecord stop_record_up;
SWFShape stop_shape_down;
SWFShape stop_shape_up;
if(swfInfo->haveControls == FALSE){
swfInfo->haveControls = TRUE;
// Ensure the movie starts out in the "stopped" state
SWFMovie_add(swfInfo->m, (SWFBlock) newSWFAction("_root.stop();"));
}
swfInfo->ControlsX = *x;
swfInfo->ControlsY = deviceInfo->top - *y;
// Create the fill styles we'll be using
red_fill = newSWFSolidFillStyle(0xf0, 0x00, 0x00, 0x99);
dark_blue_fill = newSWFSolidFillStyle(0x00, 0x00, 0x90, 0x99);
green_fill = newSWFSolidFillStyle(0x00, 0xcc, 0x00, 0x99);
// *** Create the Play button ***
// Create a shape to be used in the play button for its "UP" state
play_shape_up = newSWFShape();
// Use the dark blue fill
SWFShape_setRightFillStyle(play_shape_up, green_fill);
SWFShape_setLine(play_shape_up, 1, 0x00, 0x00, 0x00, 0xff);
SWFShape_movePenTo(play_shape_up, swfInfo->ControlsX-25, swfInfo->ControlsY);
SWFShape_drawLine(play_shape_up, 20, 15);
SWFShape_drawLine(play_shape_up, -20, 15);
SWFShape_drawLine(play_shape_up, 0, -30);
// Create a shape to be used in the play button for its "DOWN" state
play_shape_down = newSWFShape();
// Use the green fill
SWFShape_setRightFillStyle(play_shape_down, dark_blue_fill);
SWFShape_setLine(play_shape_down, 1, 0x00, 0x00, 0x00, 0xff);
SWFShape_movePenTo(play_shape_down, swfInfo->ControlsX-25, swfInfo->ControlsY);
SWFShape_drawLine(play_shape_down, 20, 15);
SWFShape_drawLine(play_shape_down, -20, 15);
SWFShape_drawLine(play_shape_down, 0, -30);
// Create an empty button object we can use
play_button = newSWFButton();
// Add the shapes to the button for its various states
play_record_up = SWFButton_addCharacter(play_button,
(SWFCharacter) play_shape_up,
SWFBUTTON_UP|SWFBUTTON_HIT|SWFBUTTON_OVER);
play_record_down = SWFButton_addCharacter(play_button,
(SWFCharacter) play_shape_down, SWFBUTTON_DOWN);
// Add the Play action to the play button
play_action = newSWFAction("_root.play();");
SWFButton_addAction(play_button, play_action, SWFBUTTON_MOUSEUP);
// *** Create the Stop button ***
// Create a shape to be used in the stop button for its "UP" state
stop_shape_up = newSWFShape();
// Use the green fill
SWFShape_setRightFillStyle(stop_shape_up, red_fill);
SWFShape_setLine(stop_shape_up, 1, 0x00, 0x00, 0x00, 0xff);
SWFShape_movePenTo(stop_shape_up,
swfInfo->ControlsX , swfInfo->ControlsY + 2.5);
SWFShape_drawLine(stop_shape_up, 25, 0);
SWFShape_drawLine(stop_shape_up, 0, 25);
SWFShape_drawLine(stop_shape_up, -25, 0);
SWFShape_drawLine(stop_shape_up, 0, -25);
// Create a shape to be used in the stop button for its "DOWN" state
stop_shape_down = newSWFShape();
// Use the dark blue fill
SWFShape_setRightFillStyle(stop_shape_down, dark_blue_fill);
SWFShape_setLine(stop_shape_down, 1, 0x00, 0x00, 0x00, 0xff);
SWFShape_movePenTo(stop_shape_down,
swfInfo->ControlsX , swfInfo->ControlsY + 2.5);
SWFShape_drawLine(stop_shape_down, 25, 0);
SWFShape_drawLine(stop_shape_down, 0, 25);
SWFShape_drawLine(stop_shape_down, -25, 0);
SWFShape_drawLine(stop_shape_down, 0, -25);
// Create an empty button object we can use
stop_button = newSWFButton();
// Add the shapes to the button for its various states
stop_record_up = SWFButton_addCharacter(stop_button,
(SWFCharacter) stop_shape_up,
SWFBUTTON_UP | SWFBUTTON_HIT | SWFBUTTON_OVER);
stop_record_down = SWFButton_addCharacter(stop_button,
(SWFCharacter) stop_shape_down, SWFBUTTON_DOWN);
// Add the Stop action to the stop button
stop_action = newSWFAction("_root.stop();");
SWFButton_addAction(stop_button, stop_action, SWFBUTTON_MOUSEUP);
// *** Create the movie clip container for the buttons ***
// Embed the buttons in a movie clip
//movie_clip = newSWFMovieClip();
playd = SWFMovie_add(swfInfo->m, (SWFBlock) play_button);
stopd = SWFMovie_add(swfInfo->m, (SWFBlock) stop_button);
addToDisplayList( playd );
addToDisplayList( stopd );
// Advance the movie clip one frame, else it doesn't get displayed
//SWFMovieClip_nextFrame(movie_clip);
// Add the movie clip to the main movie
//buttons_display_item = SWFMovie_add(swfInfo->m, movie_clip);
//addToDisplayList( buttons_display_item );
// Set the movie clip to be shown higher
// in the display stack than the main movie
//SWFDisplayItem_setDepth(buttons_display_item, 100);
}
SWFFillStyle
SWFShape_addSolidFillStyle(SWFShape shape, byte r, byte g, byte b, byte a)
{
return addFillStyle(shape, newSWFSolidFillStyle(r, g, b, a));
}
static VALUE from_gradient(VALUE klass, VALUE _gradient, VALUE style)
{
SWFGradient gradient;
Data_Get_Struct(_gradient, struct SWFGradient_s, gradient);
SWFFillStyle fill_style = newSWFGradientFillStyle(gradient, NUM2INT(style));
return Data_Wrap_Struct(klass, NULL, destroySWFFillStyle, fill_style);
}
static VALUE new(VALUE klass, VALUE _r, VALUE _g, VALUE _b, VALUE _a)
{
SWFFillStyle fill_style = newSWFSolidFillStyle(
NUM2INT(_r),
NUM2INT(_g),
NUM2INT(_b),
NUM2INT(_a)
);
return Data_Wrap_Struct(klass, NULL, destroySWFFillStyle, fill_style);
}
static VALUE pointer_id(VALUE self)
{
SWFFillStyle fs;
Data_Get_Struct(self, struct SWFFillStyle_s, fs);
return INT2NUM((int)(fs));
}
VALUE cKedamaSwfFillStyle;
void init_swf_fill_style()
