static void
writeSWFTextToMethod(SWFBlock block, SWFByteOutputMethod method, void *data)
{
SWFText text = (SWFText)block;
int length = 0;
SWFOutput out;
if ( text->matrix == NULL )
text->matrix = newSWFMatrix(1.0, 0, 0, 1.0, 0, 0);
length += (SWFMatrix_numBits(text->matrix)+7)/8;
length += (SWFRect_numBits(CHARACTER(text)->bounds)+7)/8;
length += 4;
out = newSizedSWFOutput(length);
SWFOutput_writeUInt16(out, CHARACTERID(text));
SWFOutput_writeRect(out, CHARACTER(text)->bounds);
SWFOutput_writeMatrix(out, text->matrix);
SWFOutput_writeUInt8(out, text->nGlyphBits);
SWFOutput_writeUInt8(out, text->nAdvanceBits);
SWFOutput_writeToMethod(out, method, data);
SWFOutput_writeToMethod(text->out, method, data);
destroySWFOutput(out);
}
SWFMatrix
newSWFRotateMatrix(double degrees)
{
double r = degrees * M_PI/180;
return newSWFMatrix(cos(r), sin(r), -sin(r), cos(r), 0, 0);
}
/* adds a character
* Add a character to a button for given states
* possible states:
* SWFBUTTON_HIT
* SWFBUTTON_DOWN
* SWFBUTTON_OVER
* SWFBUTTON_UP
* states can be combined using the binary or operator
* returns a SWFButtonRecord object which can be further modified.
*/
SWFButtonRecord
SWFButton_addCharacter(SWFButton button /* button object */,
SWFCharacter character /* character to be added */,
byte state /* state description */)
{
SWFMatrix m;
SWFButtonRecord record;
SWFCharacter **depsPtr = &CHARACTER(button)->dependencies;
int *depCount = &CHARACTER(button)->nDependencies;
if ( SWFCharacter_isFinished((SWFCharacter)button) )
{
SWF_warn("Can't alter a button after it's been added to another character");
return NULL;
}
SWFCharacter_getDependencies(character, depsPtr, depCount);
SWFCharacter_addDependency((SWFCharacter)button, character);
SWFCharacter_setFinished(character);
m = newSWFMatrix(1.0, 0, 0, 1.0, 0, 0);
record = newSWFButtonRecord(state, character, 0, m);
SWFButton_addRecord(button, record);
return record;
}
void
SWFGradientMatrix_update(SWFMatrix matrix, SWFRect bounds)
{
int w, h;
float scaleX, scaleY;
SWFMatrix tmp;
if(bounds == NULL)
return;
w = SWFRect_getWidth(bounds);
h = SWFRect_getHeight(bounds);
scaleX = w / GRADIENT_SIZE;
scaleY = h / GRADIENT_SIZE;
/* update matrix translation first, to be realtive to the gradient's
* coordinate system. */
SWFMatrix_moveTo(matrix, SWFMatrix_getTranslateX(matrix) / scaleX,
SWFMatrix_getTranslateY(matrix) / scaleY);
tmp = newSWFMatrix(scaleX, 0, 0, scaleY, bounds->minX + w/2, bounds->minY + h/2);
/* temporary matrix scales gradient to given bounds and centers it. */
/* all transformations done by the user are "applied" on the tmp matrix */
/* matrix = matrix * tmp -> "matrix is followed by tmp" */
SWFMatrix_multiply(matrix, tmp);
destroySWFMatrix(tmp);
}
/* adds a shape character
* Add a shape character to a button for given states
* possible states:
* SWFBUTTON_HIT
* SWFBUTTON_DOWN
* SWFBUTTON_OVER
* SWFBUTTON_UP
* states can be combined using the binary or operator
* deprecated! use SWFButton_addCharacter instead
*/
void SWFButton_addShape(SWFButton button, SWFCharacter character, byte flags)
{
SWFMatrix m;
SWF_warnOnce("SWFButton_addShape is deprecated\nUse SWFButton_addCharacter instead\n");
if ( SWFCharacter_isFinished((SWFCharacter)button) )
SWF_error("Can't alter a button after it's been added to another character");
m = newSWFMatrix(1.0, 0, 0, 1.0, 0, 0);
SWFCharacter_getDependencies((SWFCharacter)character,
&CHARACTER(button)->dependencies,
&CHARACTER(button)->nDependencies);
SWFCharacter_addDependency((SWFCharacter)button, (SWFCharacter)character);
SWFCharacter_setFinished(character);
SWFButton_addRecord(button, newSWFButtonRecord(flags, character, 0, m));
}
