bool
BoolParam::param_readSVGValue(const gchar * strvalue)
{
param_setValue(helperfns_read_bool(strvalue, defvalue));
return true; // not correct: if value is unacceptable, should return false!
}
/**
* Sets a specific value in the SPFeConvolveMatrix.
*/
void SPFeConvolveMatrix::set(unsigned int key, gchar const *value) {
double read_num;
int read_int;
bool read_bool;
Inkscape::Filters::FilterConvolveMatrixEdgeMode read_mode;
switch(key) {
/*DEAL WITH SETTING ATTRIBUTES HERE*/
case SP_ATTR_ORDER:
this->order.set(value);
//From SVG spec: If <orderY> is not provided, it defaults to <orderX>.
if (this->order.optNumIsSet() == false) {
this->order.setOptNumber(this->order.getNumber());
}
if (this->targetXIsSet == false) {
this->targetX = (int) floor(this->order.getNumber()/2);
}
if (this->targetYIsSet == false) {
this->targetY = (int) floor(this->order.getOptNumber()/2);
}
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_KERNELMATRIX:
if (value){
this->kernelMatrixIsSet = true;
this->kernelMatrix = helperfns_read_vector(value);
if (! this->divisorIsSet) {
this->divisor = 0;
for (unsigned int i = 0; i< this->kernelMatrix.size(); i++) {
this->divisor += this->kernelMatrix[i];
}
if (this->divisor == 0) {
this->divisor = 1;
}
}
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
} else {
g_warning("For feConvolveMatrix you MUST pass a kernelMatrix parameter!");
}
break;
case SP_ATTR_DIVISOR:
if (value) {
read_num = helperfns_read_number(value);
if (read_num == 0) {
// This should actually be an error, but given our UI it is more useful to simply set divisor to the default.
if (this->kernelMatrixIsSet) {
for (unsigned int i = 0; i< this->kernelMatrix.size(); i++) {
read_num += this->kernelMatrix[i];
}
}
if (read_num == 0) {
read_num = 1;
}
if (this->divisorIsSet || this->divisor!=read_num) {
this->divisorIsSet = false;
this->divisor = read_num;
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
} else if (!this->divisorIsSet || this->divisor!=read_num) {
this->divisorIsSet = true;
this->divisor = read_num;
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
}
break;
case SP_ATTR_BIAS:
read_num = 0;
if (value) {
read_num = helperfns_read_number(value);
}
if (read_num != this->bias){
this->bias = read_num;
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
case SP_ATTR_TARGETX:
if (value) {
read_int = (int) helperfns_read_number(value);
if (read_int < 0 || read_int > this->order.getNumber()){
g_warning("targetX must be a value between 0 and orderX! Assuming floor(orderX/2) as default value.");
read_int = (int) floor(this->order.getNumber()/2.0);
}
this->targetXIsSet = true;
if (read_int != this->targetX){
this->targetX = read_int;
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
}
break;
case SP_ATTR_TARGETY:
if (value) {
read_int = (int) helperfns_read_number(value);
if (read_int < 0 || read_int > this->order.getOptNumber()){
g_warning("targetY must be a value between 0 and orderY! Assuming floor(orderY/2) as default value.");
read_int = (int) floor(this->order.getOptNumber()/2.0);
}
this->targetYIsSet = true;
if (read_int != this->targetY){
this->targetY = read_int;
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
}
break;
case SP_ATTR_EDGEMODE:
read_mode = sp_feConvolveMatrix_read_edgeMode(value);
if (read_mode != this->edgeMode){
this->edgeMode = read_mode;
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
case SP_ATTR_KERNELUNITLENGTH:
this->kernelUnitLength.set(value);
//From SVG spec: If the <dy> value is not specified, it defaults to the same value as <dx>.
if (this->kernelUnitLength.optNumIsSet() == false) {
this->kernelUnitLength.setOptNumber(this->kernelUnitLength.getNumber());
}
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_PRESERVEALPHA:
read_bool = helperfns_read_bool(value, false);
if (read_bool != this->preserveAlpha){
this->preserveAlpha = read_bool;
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
default:
SPFilterPrimitive::set(key, value);
break;
}
}
