static GF_Err gdip_attach_surface_to_buffer(GF_SURFACE _this, char *pixels, u32 width, u32 height, s32 pitch_x, s32 pitch_y, GF_PixelFormat pixelFormat) { GpMatrix *mat; u32 pFormat; GPGRAPH(); if (pitch_y%4) return GF_NOT_SUPPORTED; switch (pixelFormat) { case GF_PIXEL_ALPHAGREY: pFormat = PixelFormat16bppGrayScale; if (pitch_x != 2) return GF_NOT_SUPPORTED; break; case GF_PIXEL_RGB_555: pFormat = PixelFormat16bppRGB555; if (pitch_x != 2) return GF_NOT_SUPPORTED; break; case GF_PIXEL_RGB_565: pFormat = PixelFormat16bppRGB565; if (pitch_x != 2) return GF_NOT_SUPPORTED; break; case GF_PIXEL_RGB_24: pFormat = PixelFormat24bppRGB; if (pitch_x != 3) return GF_NOT_SUPPORTED; break; case GF_PIXEL_RGB_32: pFormat = PixelFormat32bppRGB; if (pitch_x != 4) return GF_NOT_SUPPORTED; break; case GF_PIXEL_ARGB: pFormat = PixelFormat32bppARGB; if (pitch_x != 4) return GF_NOT_SUPPORTED; break; default: return GF_NOT_SUPPORTED; } GdipCreateBitmapFromScan0(width, height, pitch_y, pFormat, (unsigned char*)pixels, &_graph->pBitmap); GdipGetImageGraphicsContext(_graph->pBitmap, &_graph->graph); _graph->w = width; _graph->h = height; if (_graph->center_coords) { GdipCreateMatrix(&mat); GdipScaleMatrix(mat, 1.0, -1.0, MatrixOrderAppend); GdipTranslateMatrix(mat, (Float) width/2, (Float) height/2, MatrixOrderAppend); GdipSetWorldTransform(_graph->graph, mat); GdipDeleteMatrix(mat); } GdipSetPixelOffsetMode(_graph->graph, GDIP_PIXEL_MODE); return GF_OK; }
GpStatus WINGDIPAPI GdipTranslateTextureTransform (GpTexture *texture, float dx, float dy, GpMatrixOrder order) { GpStatus status; if (texture == NULL) { return InvalidParameter; } status = GdipTranslateMatrix (&texture->matrix, dx, dy, order); if (status == Ok) texture->base.changed = TRUE; return status; }
GpStatus WINGDIPAPI GdipTranslatePenTransform (GpPen *pen, REAL dx, REAL dy, GpMatrixOrder order) { GpStatus status; if (!pen) return InvalidParameter; status = GdipTranslateMatrix (&pen->matrix, dx, dy, order); if (status != Ok) return status; pen->changed = TRUE; return Ok; }
GpStatus WINGDIPAPI GdipTranslateTextureTransform (GpTexture *texture, REAL dx, REAL dy, GpMatrixOrder order) { GpStatus status; if (!texture) return InvalidParameter; status = GdipTranslateMatrix (&texture->matrix, dx, dy, order); if (status != Ok) return status; texture->base.changed = TRUE; return Ok; }
static GF_Err gdip_attach_surface_to_texture(GF_SURFACE _this, GF_STENCIL sten) { GpMatrix *mat; struct _stencil *_sten = (struct _stencil *)sten; GPGRAPH(); if (!_graph || !_sten || !_sten->pBitmap) return GF_BAD_PARAM; GdipGetImageGraphicsContext(_sten->pBitmap, &_graph->graph); if (_graph->center_coords) { GdipCreateMatrix(&mat); GdipScaleMatrix(mat, 1.0, -1.0, MatrixOrderAppend); GdipTranslateMatrix(mat, (Float) _sten->width/2, (Float) _sten->height/2, MatrixOrderAppend); GdipSetWorldTransform(_graph->graph, mat); GdipDeleteMatrix(mat); } _graph->w = _sten->width; _graph->h = _sten->height; GdipSetPixelOffsetMode(_graph->graph, GDIP_PIXEL_MODE); return GF_OK; }
static GF_Err gdip_attach_surface_to_device(GF_SURFACE _this, void *os_handle, u32 width, u32 height) { GpMatrix *mat; HDC handle = (HDC) os_handle; GPGRAPH(); if (!_graph || !handle) return GF_BAD_PARAM; if (_graph->graph) return GF_BAD_PARAM; GdipCreateFromHDC(handle, &_graph->graph); GdipCreateMatrix(&mat); if ( _graph->center_coords) { GdipScaleMatrix(mat, 1.0, -1.0, MatrixOrderAppend); GdipTranslateMatrix(mat, (Float) width/2, (Float) height/2, MatrixOrderAppend); } GdipSetWorldTransform(_graph->graph, mat); GdipDeleteMatrix(mat); _graph->w = width; _graph->h = height; GdipSetPixelOffsetMode(_graph->graph, GDIP_PIXEL_MODE); return GF_OK; }
/*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 void test_font_transform(void) { static const WCHAR string[] = { 'A',0 }; GpStatus status; HDC hdc; LOGFONTA lf; GpFont *font; GpGraphics *graphics; GpMatrix *matrix; GpStringFormat *format, *typographic; PointF pos[1] = { { 0,0 } }; REAL height, margin_y; RectF bounds, rect; hdc = CreateCompatibleDC(0); status = GdipCreateFromHDC(hdc, &graphics); expect(Ok, status); status = GdipSetPageUnit(graphics, UnitPixel); expect(Ok, status); status = GdipCreateStringFormat(0, LANG_NEUTRAL, &format); expect(Ok, status); status = GdipStringFormatGetGenericTypographic(&typographic); expect(Ok, status); memset(&lf, 0, sizeof(lf)); lstrcpyA(lf.lfFaceName, "Tahoma"); lf.lfHeight = -100; lf.lfWidth = 100; status = GdipCreateFontFromLogfontA(hdc, &lf, &font); expect(Ok, status); margin_y = 100.0 / 8.0; /* identity matrix */ status = GdipCreateMatrix(&matrix); expect(Ok, status); status = GdipSetWorldTransform(graphics, matrix); expect(Ok, status); status = GdipGetLogFontA(font, graphics, &lf); expect(Ok, status); expect(-100, lf.lfHeight); expect(0, lf.lfWidth); expect(0, lf.lfEscapement); expect(0, lf.lfOrientation); status = GdipGetFontHeight(font, graphics, &height); expect(Ok, status); expectf(120.703125, height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); todo_wine expectf(height + margin_y, bounds.Height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, typographic, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); expectf_(height, bounds.Height, 1.0); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, NULL, &bounds); expect(Ok, status); expectf(0.0, bounds.X); expectf_(-100.0, bounds.Y, 0.05); expectf_(height, bounds.Height, 0.5); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, matrix, &bounds); expect(Ok, status); expectf(0.0, bounds.X); expectf_(-100.0, bounds.Y, 0.05); expectf_(height, bounds.Height, 0.5); /* scale matrix */ status = GdipScaleMatrix(matrix, 2.0, 3.0, MatrixOrderAppend); expect(Ok, status); status = GdipSetWorldTransform(graphics, matrix); expect(Ok, status); status = GdipGetLogFontA(font, graphics, &lf); expect(Ok, status); expect(-300, lf.lfHeight); expect(0, lf.lfWidth); expect(0, lf.lfEscapement); expect(0, lf.lfOrientation); status = GdipGetFontHeight(font, graphics, &height); expect(Ok, status); expectf(120.703125, height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); todo_wine expectf(height + margin_y, bounds.Height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, typographic, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); expectf_(height, bounds.Height, 0.05); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, NULL, &bounds); expect(Ok, status); expectf(0.0, bounds.X); expectf_(-100.0, bounds.Y, 0.05); expectf_(height, bounds.Height, 0.2); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, matrix, &bounds); expect(Ok, status); expectf(0.0, bounds.X); todo_wine expectf_(-300.0, bounds.Y, 0.15); todo_wine expectf(height * 3.0, bounds.Height); /* scale + ratate matrix */ status = GdipRotateMatrix(matrix, 45.0, MatrixOrderAppend); expect(Ok, status); status = GdipSetWorldTransform(graphics, matrix); expect(Ok, status); status = GdipGetLogFontA(font, graphics, &lf); expect(Ok, status); expect(-300, lf.lfHeight); expect(0, lf.lfWidth); expect_(3151, lf.lfEscapement, 1); expect_(3151, lf.lfOrientation, 1); status = GdipGetFontHeight(font, graphics, &height); expect(Ok, status); expectf(120.703125, height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); todo_wine expectf(height + margin_y, bounds.Height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, typographic, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); expectf_(height, bounds.Height, 0.05); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, NULL, &bounds); expect(Ok, status); expectf(0.0, bounds.X); expectf_(-100.0, bounds.Y, 0.05); expectf_(height, bounds.Height, 0.2); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, matrix, &bounds); expect(Ok, status); todo_wine expectf_(-43.814377, bounds.X, 0.05); todo_wine expectf_(-212.235611, bounds.Y, 0.05); todo_wine expectf_(340.847534, bounds.Height, 0.05); /* scale + ratate + shear matrix */ status = GdipShearMatrix(matrix, 4.0, 5.0, MatrixOrderAppend); expect(Ok, status); status = GdipSetWorldTransform(graphics, matrix); expect(Ok, status); status = GdipGetLogFontA(font, graphics, &lf); expect(Ok, status); todo_wine expect(1032, lf.lfHeight); expect(0, lf.lfWidth); expect_(3099, lf.lfEscapement, 1); expect_(3099, lf.lfOrientation, 1); status = GdipGetFontHeight(font, graphics, &height); expect(Ok, status); expectf(120.703125, height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); todo_wine expectf(height + margin_y, bounds.Height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, typographic, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); expectf_(height, bounds.Height, 0.2); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, NULL, &bounds); expect(Ok, status); expectf(0.0, bounds.X); expectf_(-100.0, bounds.Y, 0.2); expectf_(height, bounds.Height, 0.2); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, matrix, &bounds); expect(Ok, status); todo_wine expectf_(-636.706848, bounds.X, 0.05); todo_wine expectf_(-175.257523, bounds.Y, 0.05); todo_wine expectf_(1532.984985, bounds.Height, 0.05); /* scale + ratate + shear + translate matrix */ status = GdipTranslateMatrix(matrix, 10.0, 20.0, MatrixOrderAppend); expect(Ok, status); status = GdipSetWorldTransform(graphics, matrix); expect(Ok, status); status = GdipGetLogFontA(font, graphics, &lf); expect(Ok, status); todo_wine expect(1032, lf.lfHeight); expect(0, lf.lfWidth); expect_(3099, lf.lfEscapement, 1); expect_(3099, lf.lfOrientation, 1); status = GdipGetFontHeight(font, graphics, &height); expect(Ok, status); expectf(120.703125, height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, format, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); todo_wine expectf(height + margin_y, bounds.Height); set_rect_empty(&rect); set_rect_empty(&bounds); status = GdipMeasureString(graphics, string, -1, font, &rect, typographic, &bounds, NULL, NULL); expect(Ok, status); expectf(0.0, bounds.X); expectf(0.0, bounds.Y); expectf_(height, bounds.Height, 0.1); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, NULL, &bounds); expect(Ok, status); expectf(0.0, bounds.X); expectf_(-100.0, bounds.Y, 0.2); expectf_(height, bounds.Height, 0.2); set_rect_empty(&bounds); status = GdipMeasureDriverString(graphics, (const UINT16 *)string, -1, font, pos, DriverStringOptionsCmapLookup, matrix, &bounds); expect(Ok, status); todo_wine expectf_(-626.706848, bounds.X, 0.05); todo_wine expectf_(-155.257523, bounds.Y, 0.05); todo_wine expectf_(1532.984985, bounds.Height, 0.05); GdipDeleteMatrix(matrix); GdipDeleteFont(font); GdipDeleteGraphics(graphics); GdipDeleteStringFormat(typographic); GdipDeleteStringFormat(format); DeleteDC(hdc); }
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; }