const SkPaint* CanvasRenderingContext2DState::getPaint(
PaintType paintType,
ShadowMode shadowMode,
ImageType imageType) const {
SkPaint* paint;
switch (paintType) {
case StrokePaintType:
updateLineDash();
updateStrokeStyle();
paint = &m_strokePaint;
break;
default:
ASSERT_NOT_REACHED();
// no break on purpose: paint needs to be assigned to avoid compiler warning
// about uninitialized variable.
case FillPaintType:
updateFillStyle();
paint = &m_fillPaint;
break;
case ImagePaintType:
paint = &m_imagePaint;
break;
}
if ((!shouldDrawShadows() && shadowMode == DrawShadowAndForeground) ||
shadowMode == DrawForegroundOnly) {
paint->setLooper(0);
paint->setImageFilter(0);
return paint;
}
if (!shouldDrawShadows() && shadowMode == DrawShadowOnly) {
paint->setLooper(sk_ref_sp(emptyDrawLooper())); // draw nothing
paint->setImageFilter(0);
return paint;
}
if (shadowMode == DrawShadowOnly) {
if (imageType == NonOpaqueImage || m_filterValue) {
paint->setLooper(0);
paint->setImageFilter(shadowOnlyImageFilter());
return paint;
}
paint->setLooper(sk_ref_sp(shadowOnlyDrawLooper()));
paint->setImageFilter(0);
return paint;
}
ASSERT(shadowMode == DrawShadowAndForeground);
if (imageType == NonOpaqueImage) {
paint->setLooper(0);
paint->setImageFilter(shadowAndForegroundImageFilter());
return paint;
}
paint->setLooper(sk_ref_sp(shadowAndForegroundDrawLooper()));
paint->setImageFilter(0);
return paint;
}
void updateCTM(GfxState *state,
double m11, double m12,
double m21, double m22,
double m31, double m32)
{
double *ctm = getDefCTM();
updateLineDash(state);
updateLineJoin(state);
updateLineCap(state);
updateLineWidth(state);
}
//! Change back to the old state
void restoreState(GfxState *state)
{
g_print ("restoreState\n");
// should contain all of our update*() methods?
updateLineWidth(state);
updateLineDash(state);
updateLineJoin(state);
updateLineCap(state);
updateStrokeColor(state);
updateStrokeOpacity(state);
updateFillColor(state);
updateFillOpacity(state);
updateFont(state);
}
//! Change back to the old state
void restoreState(GfxState *state)
{
// just restore the matrix for now
this->matrices.pop_back();
this->matrix = this->matrices.back();
// should contain all of our update*() methods?
updateLineWidth(state);
updateLineDash(state);
updateLineJoin(state);
updateLineCap(state);
updateStrokeColor(state);
updateStrokeOpacity(state);
updateFillColor(state);
updateFillOpacity(state);
updateFont(state);
}
void updateCTM(GfxState *state,
double m11, double m12,
double m21, double m22,
double m31, double m32)
{
DiaMatrix mat;
mat.xx = m11;
mat.yx = m12;
mat.xy = m21;
mat.yy = m22;
mat.x0 = m31 * scale;
mat.y0 = m32 * scale;
//this->matrix = mat;
dia_matrix_multiply (&this->matrix, &mat, &this->matrix);
updateLineDash(state);
updateLineJoin(state);
updateLineCap(state);
updateLineWidth(state);
}