static GpStatus METAFILE_PlaybackUpdateWorldTransform(GpMetafile *metafile)
{
GpMatrix *real_transform;
GpStatus stat;
stat = GdipCreateMatrix3(&metafile->src_rect, metafile->playback_points, &real_transform);
if (stat == Ok)
{
REAL scale = units_to_pixels(1.0, metafile->page_unit, 96.0);
if (metafile->page_unit != UnitDisplay)
scale *= metafile->page_scale;
stat = GdipScaleMatrix(real_transform, scale, scale, MatrixOrderPrepend);
if (stat == Ok)
stat = GdipMultiplyMatrix(real_transform, metafile->world_transform, MatrixOrderPrepend);
if (stat == Ok)
stat = GdipSetWorldTransform(metafile->playback_graphics, real_transform);
GdipDeleteMatrix(real_transform);
}
return stat;
}
/*GDIplus is completely bugged here, we MUST build the gradient in local coord system and apply translation
after, otherwise performances are just horrible*/
void gdip_recompute_radial_gradient(GF_STENCIL _this)
{
s32 repeat, k;
u32 i;
GpPointF pt;
GpMatrix *mat;
GPSTEN();
if (!_sten->needs_rebuild) return;
_sten->needs_rebuild = GF_FALSE;
if (_sten->pRadial) {
GdipDeleteBrush(_sten->pRadial);
_sten->pRadial = NULL;
}
if (_sten->pSolid) {
GdipDeleteBrush(_sten->pSolid);
_sten->pSolid = NULL;
}
if (_sten->circle) {
GdipDeletePath(_sten->circle);
_sten->circle = NULL;
}
GdipCreatePath(FillModeAlternate, &_sten->circle);
/*get number of repeats*/
if (_sten->spread == GF_GRADIENT_MODE_PAD) {
GdipAddPathEllipse(_sten->circle, - _sten->radius.X, -_sten->radius.Y,
2*_sten->radius.X, 2*_sten->radius.Y);
GdipCreatePathGradientFromPath(_sten->circle, &_sten->pRadial);
ARGB *blends = new ARGB[_sten->num_pos + 1];
/*radial blend pos are from bounds to center in gdiplus*/
blends[0] = _sten->cols[_sten->num_pos - 1];
for (i=0; i<_sten->num_pos;i++) {
blends[i+1] = _sten->cols[_sten->num_pos - i - 1];
}
REAL *pos = new REAL[_sten->num_pos + 1];
pos[0] = 0;
for (i=0; i<_sten->num_pos;i++) {
pos[i+1] = _sten->pos[i];
}
GdipSetPathGradientPresetBlend(_sten->pRadial, blends, pos, _sten->num_pos + 1);
delete [] blends;
delete [] pos;
/*set focal*/
pt = _sten->focal;
pt.X -= _sten->center.X;
pt.Y -= _sten->center.Y;
GdipSetPathGradientCenterPoint(_sten->pRadial, &pt);
/*set transform*/
GdipCreateMatrix(&mat);
GdipTranslateMatrix(mat, _sten->center.X, _sten->center.Y, MatrixOrderAppend);
if (_sten->pMat) GdipMultiplyMatrix(mat, _sten->pMat, MatrixOrderAppend);
GdipSetTextureTransform((GpTexture*)_sten->pRadial, mat);
GdipDeleteMatrix(mat);
/*create back brush*/
GdipCreateSolidFill(_sten->cols[_sten->num_pos - 1], &_sten->pSolid);
GdipResetPath(_sten->circle);
GdipAddPathEllipse(_sten->circle, - _sten->radius.X + _sten->center.X, -_sten->radius.Y + _sten->center.Y,
2*_sten->radius.X, 2*_sten->radius.Y);
} else {
repeat = 10;
GdipAddPathEllipse(_sten->circle, - repeat * _sten->radius.X, - repeat*_sten->radius.Y,
2*repeat*_sten->radius.X, 2*repeat*_sten->radius.Y);
GdipCreatePathGradientFromPath(_sten->circle, &_sten->pRadial);
GdipDeletePath(_sten->circle);
_sten->circle = NULL;
ARGB *blends = new ARGB[_sten->num_pos*repeat];
REAL *pos = new REAL[_sten->num_pos*repeat];
if (_sten->spread == GF_GRADIENT_MODE_REPEAT) {
for (k=0; k<repeat; k++) {
for (i=0; i<_sten->num_pos; i++) {
blends[k*_sten->num_pos + i] = _sten->cols[_sten->num_pos - i - 1];
pos[k*_sten->num_pos + i] = (k + _sten->pos[i]) / repeat;
}
}
} else {
for (k=0; k<repeat; k++) {
for (i=0; i<_sten->num_pos; i++) {
u32 index = (k%2) ? (_sten->num_pos-i-1) : i;
blends[k*_sten->num_pos + i] = _sten->cols[index];
if (k%2) {
pos[k*_sten->num_pos + i] = (k + (1 - _sten->pos[index]) ) / repeat;
} else {
pos[k*_sten->num_pos + i] = ( k + _sten->pos[i] ) / repeat;
}
}
}
}
GdipSetPathGradientPresetBlend(_sten->pRadial, blends, pos, _sten->num_pos*repeat);
delete [] pos;
delete [] blends;
/*set focal*/
pt = _sten->focal;
pt.X -= (1 - repeat) * (_sten->focal.X - _sten->center.X) + _sten->center.X;
pt.Y -= (1 - repeat) * (_sten->focal.Y - _sten->center.Y) + _sten->center.Y;
GdipSetPathGradientCenterPoint(_sten->pRadial, &pt);
/*set transform*/
GdipCreateMatrix(&mat);
GdipTranslateMatrix(mat, (1 - repeat) * (_sten->focal.X - _sten->center.X) + _sten->center.X,
(1 - repeat) * (_sten->focal.Y - _sten->center.Y) + _sten->center.Y,
MatrixOrderAppend);
if (_sten->pMat) GdipMultiplyMatrix(mat, _sten->pMat, MatrixOrderAppend);
GdipSetTextureTransform((GpTexture*)_sten->pRadial, mat);
GdipDeleteMatrix(mat);
GdipSetPathGradientWrapMode(_sten->pRadial, WrapModeTileFlipXY);
}
}
static
GF_Err gdip_surface_fill(GF_SURFACE _this, GF_STENCIL stencil)
{
GpStatus ret;
GpMatrix *newmat;
struct _stencil *_sten;
GPGRAPH();
if (!_this) return GF_BAD_PARAM;
if (!_graph->current) return GF_OK;
_sten = (struct _stencil *)stencil;
assert(_sten);
#ifdef NODRAW
return GF_OK;
#endif
if (_graph->clip) GdipSetClipPath(_graph->graph, _graph->clip, CombineModeReplace);
switch (_sten->type) {
case GF_STENCIL_SOLID:
assert(_sten->pSolid);
GdipFillPath(_graph->graph, _sten->pSolid, _graph->current);
break;
case GF_STENCIL_LINEAR_GRADIENT:
if (_sten->pMat) {
/*rebuild gradient*/
gdip_recompute_line_gradient(_sten);
GdipResetTextureTransform((GpTexture*)_sten->pLinear);
if (_sten->pMat) {
GdipCloneMatrix(_sten->pMat, &newmat);
} else {
GdipCreateMatrix(&newmat);
}
GdipMultiplyMatrix(newmat, _sten->pLinearMat, MatrixOrderPrepend);
GdipSetTextureTransform((GpTexture*)_sten->pLinear, newmat);
GdipDeleteMatrix(newmat);
}
GdipFillPath(_graph->graph, _sten->pLinear, _graph->current);
break;
case GF_STENCIL_RADIAL_GRADIENT:
/*build gradient*/
gdip_recompute_radial_gradient(_sten);
GdipSetCompositingQuality(_graph->graph, CompositingQualityHighSpeed);
GdipSetInterpolationMode(_graph->graph, InterpolationModeLowQuality);
GdipSetSmoothingMode(_graph->graph, SmoothingModeHighSpeed);
/*check if we need to draw solid background (GDIplus doesn't implement padded mode on path gradients)*/
if (_sten->pSolid) {
GpPath *tr;
GdipClonePath(_sten->circle, &tr);
GdipTransformPath(tr, _sten->pMat);
GdipSetClipPath(_graph->graph, tr, CombineModeExclude);
GdipFillPath(_graph->graph, _sten->pSolid, _graph->current);
GdipDeletePath(tr);
GdipResetClip(_graph->graph);
if (_graph->clip) GdipSetClipPath(_graph->graph, _graph->clip, CombineModeReplace);
}
GdipFillPath(_graph->graph, _sten->pRadial, _graph->current);
break;
case GF_STENCIL_VERTEX_GRADIENT:
assert(_sten->pRadial);
if (_sten->pMat) GdipSetTextureTransform((GpTexture*)_sten->pRadial, _sten->pMat);
ret = GdipFillPath(_graph->graph, _sten->pRadial, _graph->current);
break;
case GF_STENCIL_TEXTURE:
gdip_load_texture(_sten);
if (_sten->pTexture) {
GpMatrix *newmat;
GdipResetTextureTransform((GpTexture*)_sten->pTexture);
if (_sten->pMat) {
GdipCloneMatrix(_sten->pMat, &newmat);
} else {
GdipCreateMatrix(&newmat);
}
/*gdip flip*/
if (_graph->center_coords && !(_sten->tiling&GF_TEXTURE_FLIP) )
GdipScaleMatrix(newmat, 1, -1, MatrixOrderPrepend);
else if (!_graph->center_coords && (_sten->tiling&GF_TEXTURE_FLIP) )
GdipScaleMatrix(newmat, 1, -1, MatrixOrderPrepend);
GdipSetTextureTransform((GpTexture*)_sten->pTexture, newmat);
GdipDeleteMatrix(newmat);
GdipSetInterpolationMode(_graph->graph, (_sten->tFilter==GF_TEXTURE_FILTER_HIGH_QUALITY) ? InterpolationModeHighQuality : InterpolationModeLowQuality);
GdipFillPath(_graph->graph, _sten->pTexture, _graph->current);
}
break;
}
return GF_OK;
}
