static GpPath *gdip_setup_path(struct _graphics *_this, GF_Path *path)
{
GpPath *tr = gdip_create_path(path);
/*append current matrix*/
if (_this->mat) GdipTransformPath(tr, _this->mat);
return tr;
}
static void test_flatten(void)
{
GpStatus status;
GpPath *path;
GpMatrix *m;
status = GdipCreatePath(FillModeAlternate, &path);
expect(Ok, status);
status = GdipCreateMatrix(&m);
expect(Ok, status);
/* NULL arguments */
status = GdipFlattenPath(NULL, NULL, 0.0);
expect(InvalidParameter, status);
status = GdipFlattenPath(NULL, m, 0.0);
expect(InvalidParameter, status);
/* flatten empty path */
status = GdipFlattenPath(path, NULL, 1.0);
expect(Ok, status);
status = GdipTransformPath(path, 0);
expect(Ok, status);
status = GdipAddPathEllipse(path, 0.0, 0.0, 100.0, 50.0);
expect(Ok, status);
status = GdipFlattenPath(path, NULL, 1.0);
expect(Ok, status);
ok_path(path, flattenellipse_path, sizeof(flattenellipse_path)/sizeof(path_test_t), TRUE);
status = GdipResetPath(path);
expect(Ok, status);
status = GdipAddPathLine(path, 5.0, 10.0, 50.0, 100.0);
expect(Ok, status);
status = GdipFlattenPath(path, NULL, 1.0);
expect(Ok, status);
ok_path(path, flattenline_path, sizeof(flattenline_path)/sizeof(path_test_t), FALSE);
status = GdipResetPath(path);
expect(Ok, status);
status = GdipAddPathArc(path, 0.0, 0.0, 100.0, 50.0, 0.0, 90.0);
expect(Ok, status);
status = GdipFlattenPath(path, NULL, 1.0);
expect(Ok, status);
ok_path(path, flattenarc_path, sizeof(flattenarc_path)/sizeof(path_test_t), TRUE);
/* easy case - quater of a full circle */
status = GdipResetPath(path);
expect(Ok, status);
status = GdipAddPathArc(path, 0.0, 0.0, 100.0, 100.0, 0.0, 90.0);
expect(Ok, status);
status = GdipFlattenPath(path, NULL, 1.0);
expect(Ok, status);
ok_path(path, flattenquater_path, sizeof(flattenquater_path)/sizeof(path_test_t), FALSE);
GdipDeleteMatrix(m);
GdipDeletePath(path);
}
/*
* gdip_region_transform_tree:
* @tree: a GpPathTree
* @matrix: the GpMatrix to apply to the tree
*
* Recursively apply the @matrix to the @tree.
*/
GpStatus
gdip_region_transform_tree (GpPathTree *tree, GpMatrix *matrix)
{
if (tree->path) {
return GdipTransformPath (tree->path, matrix);
} else {
GpStatus status;
status = gdip_region_transform_tree (tree->branch1, matrix);
if (status == Ok)
status = gdip_region_transform_tree (tree->branch2, matrix);
return status;
}
}
static GF_Glyph *gdip_load_glyph(GF_FontReader *dr, u32 glyph_name)
{
GF_Rect bounds;
GF_Glyph *glyph;
GpPath *path_tmp;
GpStringFormat *fmt;
GpMatrix *mat;
Float est_advance_h;
unsigned short str[4];
int i;
FontPriv *ctx = (FontPriv *)dr->udta;
if (!ctx->font) return NULL;
RectF rc;
rc.X = rc.Y = 0;
rc.Width = rc.Height = 0;
GdipCreateStringFormat(StringFormatFlagsNoWrap | StringFormatFlagsNoFitBlackBox | StringFormatFlagsMeasureTrailingSpaces, LANG_NEUTRAL, &fmt);
GdipSetStringFormatAlign(fmt, StringAlignmentNear);
GdipCreatePath(FillModeAlternate, &path_tmp);
if (glyph_name==0x20) {
est_advance_h = ctx->whitespace_width;
} else {
/*to compute first glyph alignment (say 'x', we figure out its bounding full box by using the '_' char as wrapper (eg, "_x_")
then the bounding box starting from xMin of the glyph ('x_'). The difference between both will give us a good approx
of the glyph alignment*/
str[0] = glyph_name;
str[1] = (unsigned short) '_';
str[2] = (unsigned short) 0;
GdipAddPathString(path_tmp, (const WCHAR *)str, -1, ctx->font, ctx->font_style, ctx->em_size, &rc, fmt);
GdipGetPathWorldBounds(path_tmp, &rc, NULL, NULL);
est_advance_h = rc.Width - ctx->underscore_width;
}
GdipResetPath(path_tmp);
str[0] = glyph_name;
str[1] = (unsigned short) 0;
rc.X = rc.Y = 0;
rc.Width = rc.Height = 0;
GdipAddPathString(path_tmp, (const WCHAR *)str, -1, ctx->font, ctx->font_style, ctx->em_size, &rc, fmt);
GdipGetPathWorldBounds(path_tmp, &rc, NULL, NULL);
/*flip so that we are in a font coordinate system - also move back the glyph to x=0 and y=baseline, GdiPlus doesn't do so*/
GdipCreateMatrix(&mat);
GdipTranslateMatrix(mat, - rc.X, -ctx->ascent, MatrixOrderAppend);
GdipScaleMatrix(mat, 1, -1, MatrixOrderAppend);
GdipTransformPath(path_tmp, mat);
GdipDeleteMatrix(mat);
/*start enum*/
s32 count;
GdipGetPointCount(path_tmp, &count);
GpPointF *pts = new GpPointF[count];
BYTE *types = new BYTE[count];
GdipGetPathTypes(path_tmp, types, count);
GdipGetPathPoints(path_tmp, pts, count);
GF_SAFEALLOC(glyph, GF_Glyph);
GF_SAFEALLOC(glyph->path, GF_Path);
for (i=0; i<count; ) {
BOOL closed = 0;
s32 sub_type;
sub_type = types[i] & PathPointTypePathTypeMask;
if (sub_type == PathPointTypeStart) {
gf_path_add_move_to(glyph->path, FLT2FIX(pts[i].X), FLT2FIX(pts[i].Y));
i++;
}
else if (sub_type == PathPointTypeLine) {
gf_path_add_line_to(glyph->path, FLT2FIX(pts[i].X), FLT2FIX(pts[i].Y));
if (types[i] & PathPointTypeCloseSubpath) gf_path_close(glyph->path);
i++;
}
else if (sub_type == PathPointTypeBezier) {
assert(i+2<=count);
gf_path_add_cubic_to(glyph->path, FLT2FIX(pts[i].X), FLT2FIX(pts[i].Y), FLT2FIX(pts[i+1].X), FLT2FIX(pts[i+1].Y), FLT2FIX(pts[i+2].X), FLT2FIX(pts[i+2].Y));
if (types[i+2] & PathPointTypeCloseSubpath) gf_path_close(glyph->path);
i += 3;
} else {
assert(0);
break;
}
}
delete [] pts;
delete [] types;
GdipDeleteStringFormat(fmt);
GdipDeletePath(path_tmp);
glyph->ID = glyph_name;
glyph->utf_name = glyph_name;
glyph->vert_advance = (s32) (ctx->ascent-ctx->descent);
glyph->horiz_advance = (s32) est_advance_h;
gf_path_get_bounds(glyph->path, &bounds);
glyph->width = FIX2INT(bounds.width);
glyph->height = FIX2INT(bounds.height);
return glyph;
}
static M4Err gdip_add_text_to_path(FontRaster *dr, LPM4PATH path, Bool flipText,
const unsigned short* string, Float left, Float top, Float x_scaling, Float y_scaling,
Float ascent, M4Rect *bounds)
{
GpPath *path_tmp;
GpMatrix *mat;
GpStringFormat *fmt;
Float real_start;
unsigned short str[4];
FontPriv *ctx = (FontPriv *)dr->priv;
if (!ctx->font) return M4BadParam;
RectF rc;
rc.X = rc.Y = 0;
rc.Width = rc.Height = 0;
/*find first non-space char and estimate its glyph pos since GDIplus doesn't give this info*/
s32 len = utf8_wcslen(string);
s32 i=0;
for (; i<len; i++) {
if (string[i] != (unsigned short) ' ') break;
}
if (i>=len) return M4OK;
GdipCreateStringFormat(StringFormatFlagsNoWrap | StringFormatFlagsNoFitBlackBox | StringFormatFlagsMeasureTrailingSpaces, LANG_NEUTRAL, &fmt);
GdipSetStringFormatAlign(fmt, StringAlignmentNear);
GdipCreatePath(FillModeAlternate, &path_tmp);
/*to compute first glyph alignment (say 'x', we figure out its bounding full box by using the '_' char as wrapper (eg, "_x_")
then the bounding box starting from xMin of the glyph ('x_'). The difference between both will give us a good approx
of the glyph alignment*/
str[0] = (unsigned short) '_';
str[1] = string[i];
str[2] = (unsigned short) '_';
str[3] = (unsigned short) 0;
GdipAddPathString(path_tmp, str, -1, ctx->font, ctx->font_style, ctx->font_size, &rc, fmt);
GdipGetPathWorldBounds(path_tmp, &rc, NULL, NULL);
Float w1 = rc.Width - 2 * ctx->underscore_width;
GdipResetPath(path_tmp);
str[0] = string[i];
str[1] = (unsigned short) '_';
str[2] = (unsigned short) 0;
rc.X = rc.Y = 0;
rc.Width = rc.Height = 0;
GdipAddPathString(path_tmp, str, -1, ctx->font, ctx->font_style, ctx->font_size, &rc, fmt);
GdipGetPathWorldBounds(path_tmp, &rc, NULL, NULL);
real_start = w1 - (rc.Width - ctx->underscore_width);
GdipResetPath(path_tmp);
rc.X = rc.Y = 0;
rc.Width = rc.Height = 0;
GdipAddPathString(path_tmp, string, -1, ctx->font, ctx->font_style, ctx->font_size, &rc, fmt);
GdipGetPathWorldBounds(path_tmp, &rc, NULL, NULL);
GdipCreateMatrix(&mat);
Float off_left = rc.X;
Float off_left_real = rc.X;
/*adjust all white space at begin*/
adjust_white_space(string, &off_left, -1*ctx->whitespace_width);
if (flipText) {
/*first translate in local system*/
GdipTranslateMatrix(mat, left - off_left + real_start, -top, MatrixOrderAppend);
/*then scale as specified*/
GdipScaleMatrix(mat, x_scaling, -y_scaling, MatrixOrderAppend);
} else {
/*first translate in local system*/
GdipTranslateMatrix(mat, left - off_left + real_start, top-ascent, MatrixOrderAppend);
/*then scale as specified*/
GdipScaleMatrix(mat, x_scaling, y_scaling, MatrixOrderAppend);
}
GdipTransformPath(path_tmp, mat);
/*start enum*/
s32 count;
GdipGetPointCount(path_tmp, &count);
GpPointF *pts = new GpPointF[count];
BYTE *types = new BYTE[count];
GdipGetPathTypes(path_tmp, types, count);
GdipGetPathPoints(path_tmp, pts, count);
for (i=0; i<count; ) {
BOOL closed = 0;
s32 sub_type;
sub_type = types[i] & PathPointTypePathTypeMask;
if (sub_type == PathPointTypeStart) {
m4_path_add_move_to(path, pts[i].X, pts[i].Y);
i++;
}
else if (sub_type == PathPointTypeLine) {
m4_path_add_line_to(path, pts[i].X, pts[i].Y);
if (types[i] & PathPointTypeCloseSubpath) m4_path_close(path);
i++;
}
else if (sub_type == PathPointTypeBezier) {
assert(i+2<=count);
m4_path_add_cubic_to(path, pts[i].X, pts[i].Y, pts[i+1].X, pts[i+1].Y, pts[i+2].X, pts[i+2].Y);
if (types[i+2] & PathPointTypeCloseSubpath) m4_path_close(path);
i += 3;
} else {
assert(0);
break;
}
}
delete [] pts;
delete [] types;
GdipResetPath(path_tmp);
adjust_white_space(string, &rc.Width, ctx->whitespace_width);
rc.X = off_left_real;
rc.X = off_left;
/*special case where string is just space*/
if (!rc.Height) rc.Height = 1;
GdipAddPathRectangles(path_tmp, &rc, 1);
GdipGetPathWorldBounds(path_tmp, &rc, mat, NULL);
bounds->x = rc.X;
bounds->y = rc.Y;
bounds->width = rc.Width;
bounds->height = rc.Height;
GdipDeleteStringFormat(fmt);
GdipDeletePath(path_tmp);
GdipDeleteMatrix(mat);
return M4OK;
}
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;
}
