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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_VCL_INC_GENERIC_PRINTERGFX_HXX
21 : #define INCLUDED_VCL_INC_GENERIC_PRINTERGFX_HXX
22 :
23 : #include "vcl/helper.hxx"
24 : #include "sallayout.hxx"
25 : #include "osl/file.hxx"
26 : #include "tools/gen.hxx"
27 : #include "vclpluginapi.h"
28 :
29 : #include <list>
30 : #include <boost/unordered_map.hpp>
31 :
32 : namespace psp {
33 :
34 : // forwards
35 : struct JobData;
36 :
37 : /*
38 : * lightweight container to handle RGB values
39 : */
40 :
41 : class PrinterColor
42 : {
43 : public:
44 :
45 : enum ColorSpace { eInvalid, eRGB };
46 :
47 : private:
48 :
49 : sal_uInt8 mnRed;
50 : sal_uInt8 mnGreen;
51 : sal_uInt8 mnBlue;
52 : ColorSpace meColorspace;
53 :
54 : public:
55 :
56 0 : PrinterColor()
57 : : mnRed(0)
58 : , mnGreen(0)
59 : , mnBlue(0)
60 0 : , meColorspace(eInvalid)
61 0 : {}
62 0 : PrinterColor (sal_uInt16 nRed, sal_uInt16 nGreen,
63 : sal_uInt16 nBlue) :
64 : mnRed (nRed),
65 : mnGreen (nGreen),
66 : mnBlue (nBlue),
67 0 : meColorspace (eRGB)
68 0 : {}
69 0 : PrinterColor (sal_uInt32 nRGB) :
70 0 : mnRed ((nRGB & 0x00ff0000) >> 16),
71 0 : mnGreen ((nRGB & 0x0000ff00) >> 8),
72 : mnBlue ((nRGB & 0x000000ff) ),
73 0 : meColorspace (eRGB)
74 0 : {}
75 0 : ~PrinterColor ()
76 0 : {}
77 :
78 0 : bool Is () const
79 0 : { return meColorspace != eInvalid; }
80 :
81 : ColorSpace GetColorSpace () const
82 : { return meColorspace; }
83 0 : sal_uInt16 GetRed () const
84 0 : { return mnRed; }
85 0 : sal_uInt16 GetGreen () const
86 0 : { return mnGreen; }
87 0 : sal_uInt16 GetBlue () const
88 0 : { return mnBlue; }
89 0 : bool operator== (const PrinterColor& aColor) const
90 : {
91 0 : return aColor.Is() && this->Is()
92 0 : && mnRed == aColor.mnRed
93 0 : && mnGreen == aColor.mnGreen
94 0 : && mnBlue == aColor.mnBlue;
95 : }
96 0 : bool operator!= (const PrinterColor& aColor) const
97 0 : { return ! (aColor==*this); }
98 0 : PrinterColor& operator= (const PrinterColor& aColor)
99 : {
100 0 : meColorspace = aColor.meColorspace;
101 0 : mnRed = aColor.mnRed;
102 0 : mnGreen = aColor.mnGreen;
103 0 : mnBlue = aColor.mnBlue;
104 :
105 0 : return *this;
106 : }
107 :
108 : PrinterColor& operator= (sal_uInt32 nRGB)
109 : {
110 : meColorspace = eRGB;
111 : mnBlue = (nRGB & 0x000000ff);
112 : mnGreen = (nRGB & 0x0000ff00) >> 8;
113 : mnRed = (nRGB & 0x00ff0000) >> 16;
114 :
115 : return *this;
116 : }
117 : };
118 :
119 : /*
120 : * forward declarations
121 : */
122 :
123 : class Font2;
124 : class GlyphSet;
125 : class PrinterJob;
126 : class PrintFontManager;
127 : struct CharacterMetric;
128 :
129 : /*
130 : * Bitmap Interface, this has to be filled with your actual bitmap implementation
131 : * sample implementations can be found in:
132 : * psprint/workben/cui/pspdem.cxx
133 : * vcl/unx/source/gdi/salgdi2.cxx
134 : */
135 :
136 0 : class VCL_DLLPUBLIC PrinterBmp
137 : {
138 : public:
139 :
140 : virtual ~PrinterBmp () = 0;
141 : virtual sal_uInt32 GetPaletteColor (sal_uInt32 nIdx) const = 0;
142 : virtual sal_uInt32 GetPaletteEntryCount () const = 0;
143 : virtual sal_uInt32 GetPixelRGB (sal_uInt32 nRow, sal_uInt32 nColumn) const = 0;
144 : virtual sal_uInt8 GetPixelGray (sal_uInt32 nRow, sal_uInt32 nColumn) const = 0;
145 : virtual sal_uInt8 GetPixelIdx (sal_uInt32 nRow, sal_uInt32 nColumn) const = 0;
146 : virtual sal_uInt32 GetWidth () const = 0;
147 : virtual sal_uInt32 GetHeight () const = 0;
148 : virtual sal_uInt32 GetDepth () const = 0;
149 : };
150 :
151 : typedef enum {
152 : InvalidType = 0,
153 : TrueColorImage,
154 : MonochromeImage,
155 : PaletteImage,
156 : GrayScaleImage
157 : } ImageType;
158 :
159 : /*
160 : * printer raster operations
161 : */
162 :
163 0 : struct GraphicsStatus
164 : {
165 : OString maFont;
166 : rtl_TextEncoding maEncoding;
167 : bool mbArtItalic;
168 : bool mbArtBold;
169 : sal_Int32 mnTextHeight;
170 : sal_Int32 mnTextWidth;
171 : PrinterColor maColor;
172 : double mfLineWidth;
173 :
174 : GraphicsStatus();
175 : };
176 :
177 : class Font2;
178 :
179 : class VCL_DLLPUBLIC PrinterGfx
180 : {
181 : private:
182 :
183 : /* common settings */
184 :
185 : double mfScaleX;
186 : double mfScaleY;
187 :
188 : sal_uInt32 mnDpi;
189 : sal_uInt16 mnDepth;
190 :
191 : sal_uInt16 mnPSLevel;
192 : bool mbColor;
193 : bool mbUploadPS42Fonts;
194 :
195 : osl::File* mpPageHeader;
196 : osl::File* mpPageBody;
197 :
198 : void TranslateCoordinates (sal_Int32 &rXOut, sal_Int32 &rYOut,
199 : sal_Int32 nXIn, sal_Int32 nYIn )
200 : { rXOut = nXIn; rYOut = nYIn; }
201 : void TranslateCoordinates (Point& rOut, const Point& rIn)
202 : { rOut = rIn; }
203 :
204 : /* text/font related data, for a type1 font it has to be checked
205 : whether this font has already been downloaded. A TrueType font
206 : will be converted into one or more Type3 fonts, containing glyphs
207 : in no particular order. In addition to the existence of the
208 : glyph in one of the subfonts, the mapping from unicode to the
209 : glyph has to be remembered */
210 :
211 : std::list< sal_Int32 > maPS1Font;
212 : std::list< GlyphSet > maPS3Font;
213 :
214 : sal_Int32 mnFontID;
215 : sal_Int32 mnFallbackID;
216 : sal_Int32 mnTextAngle;
217 : bool mbTextVertical;
218 : PrintFontManager& mrFontMgr;
219 :
220 : /* bitmap drawing implementation */
221 :
222 : bool mbCompressBmp;
223 :
224 : void DrawPS1GrayImage (const PrinterBmp& rBitmap, const Rectangle& rArea);
225 : void writePS2ImageHeader (const Rectangle& rArea, psp::ImageType nType);
226 : void writePS2Colorspace (const PrinterBmp& rBitmap, psp::ImageType nType);
227 : void DrawPS2GrayImage (const PrinterBmp& rBitmap, const Rectangle& rArea);
228 : void DrawPS2PaletteImage (const PrinterBmp& rBitmap, const Rectangle& rArea);
229 : void DrawPS2TrueColorImage (const PrinterBmp& rBitmap, const Rectangle& rArea);
230 : void DrawPS2MonoImage (const PrinterBmp& rBitmap, const Rectangle& rArea);
231 :
232 : /* clip region */
233 :
234 : std::list< Rectangle > maClipRegion;
235 : bool JoinVerticalClipRectangles( std::list< Rectangle >::iterator& it,
236 : Point& aOldPoint, sal_Int32& nColumn );
237 :
238 : /* color settings */
239 : PrinterColor maFillColor;
240 : PrinterColor maTextColor;
241 : PrinterColor maLineColor;
242 :
243 : /* graphics state */
244 : GraphicsStatus maVirtualStatus;
245 : std::list< GraphicsStatus > maGraphicsStack;
246 0 : GraphicsStatus& currentState() { return maGraphicsStack.front(); }
247 :
248 : /* font */
249 : friend class Font2;
250 : int getCharWidth (bool b_vert, sal_Unicode n_char,
251 : CharacterMetric *p_bbox);
252 : fontID getCharMetric (const Font2 &rFont, sal_Unicode n_char,
253 : CharacterMetric *p_bbox);
254 0 : fontID getFallbackID () const { return mnFallbackID; }
255 :
256 : public:
257 : /* grahics status update */
258 : void PSSetColor ();
259 : void PSSetLineWidth ();
260 : void PSSetFont ();
261 :
262 : /* graphics status functions */
263 0 : void PSSetColor (const PrinterColor& rColor)
264 0 : { maVirtualStatus.maColor = rColor; }
265 :
266 : void PSUploadPS1Font (sal_Int32 nFontID);
267 0 : void PSSetFont (const OString& rName,
268 : rtl_TextEncoding nEncoding = RTL_TEXTENCODING_DONTKNOW)
269 0 : { maVirtualStatus.maFont = rName; maVirtualStatus.maEncoding = nEncoding; }
270 :
271 : /* graphics status stack */
272 : void PSGSave ();
273 : void PSGRestore ();
274 :
275 : /* PS helpers */
276 : enum pspath_t { moveto = 0, lineto = 1 };
277 : void PSBinLineTo (const Point& rCurrent, Point& rOld,
278 : sal_Int32& nColumn);
279 : void PSBinMoveTo (const Point& rCurrent, Point& rOld,
280 : sal_Int32& nColumn);
281 : void PSBinStartPath ();
282 : void PSBinEndPath ();
283 : void PSBinCurrentPath (sal_uInt32 nPoints, const Point* pPath);
284 : void PSBinPath (const Point& rCurrent, Point& rOld,
285 : pspath_t eType, sal_Int32& nColumn);
286 :
287 : void PSRotate (sal_Int32 nAngle);
288 : void PSTranslate (const Point& rPoint);
289 : void PSMoveTo (const Point& rPoint);
290 : void PSScale (double fScaleX, double fScaleY);
291 : void PSLineTo(const Point& rPoint );
292 : void PSPointOp (const Point& rPoint, const sal_Char* pOperator);
293 : void PSHexString (const unsigned char* pString, sal_Int16 nLen);
294 : void PSDeltaArray (const sal_Int32 *pArray, sal_Int16 nEntries);
295 : void PSShowText (const unsigned char* pString,
296 : sal_Int16 nGlyphs, sal_Int16 nBytes,
297 : const sal_Int32* pDeltaArray = NULL);
298 : void PSComment (const sal_Char* pComment );
299 : void LicenseWarning (const Point& rPoint, const sal_Unicode* pStr,
300 : sal_Int16 nLen, const sal_Int32* pDeltaArray);
301 :
302 : void OnEndPage ();
303 : void OnEndJob ();
304 : void writeResources( osl::File* pFile, std::list< OString >& rSuppliedFonts );
305 0 : PrintFontManager& GetFontMgr () { return mrFontMgr; }
306 :
307 : void drawVerticalizedText (const Point& rPoint,
308 : const sal_Unicode* pStr,
309 : sal_Int16 nLen,
310 : const sal_Int32* pDeltaArray );
311 : void drawText (const Point& rPoint,
312 : const sal_Unicode* pStr, sal_Int16 nLen,
313 : const sal_Int32* pDeltaArray = NULL);
314 :
315 : void drawGlyphs( const Point& rPoint,
316 : sal_GlyphId* pGlyphIds,
317 : sal_Unicode* pUnicodes,
318 : sal_Int16 nLen,
319 : sal_Int32* pDeltaArray );
320 : public:
321 : PrinterGfx();
322 : ~PrinterGfx();
323 : bool Init (PrinterJob &rPrinterSpec);
324 : bool Init (const JobData& rData);
325 : void Clear();
326 :
327 : // query depth
328 : sal_uInt16 GetBitCount ();
329 :
330 : // clip region
331 : void ResetClipRegion ();
332 : void BeginSetClipRegion (sal_uInt32);
333 : bool UnionClipRegion (sal_Int32 nX, sal_Int32 nY,
334 : sal_Int32 nDX, sal_Int32 nDY);
335 : void EndSetClipRegion ();
336 :
337 : // set xy color
338 0 : void SetLineColor (const PrinterColor& rLineColor = PrinterColor())
339 0 : { maLineColor = rLineColor; }
340 0 : void SetFillColor (const PrinterColor& rFillColor = PrinterColor())
341 0 : { maFillColor = rFillColor; }
342 :
343 : // drawing primitives
344 : void DrawPixel (const Point& rPoint, const PrinterColor& rPixelColor);
345 0 : void DrawPixel (const Point& rPoint)
346 0 : { DrawPixel (rPoint, maLineColor); }
347 : void DrawLine (const Point& rFrom, const Point& rTo);
348 : void DrawRect (const Rectangle& rRectangle);
349 : void DrawPolyLine (sal_uInt32 nPoints, const Point* pPath );
350 : void DrawPolygon (sal_uInt32 nPoints, const Point* pPath);
351 : void DrawPolyPolygon (sal_uInt32 nPoly,
352 : const sal_uInt32 *pPolygonSize,
353 : const Point** pPolygonList);
354 : void DrawPolyLineBezier (sal_uInt32 nPoints,
355 : const Point* pPath,
356 : const sal_uInt8* pFlgAry );
357 : void DrawPolygonBezier (sal_uInt32 nPoints,
358 : const Point* pPath,
359 : const sal_uInt8* pFlgAry);
360 : void DrawPolyPolygonBezier (sal_uInt32 nPoly,
361 : const sal_uInt32* pPoints,
362 : const Point* const* pPtAry,
363 : const sal_uInt8* const* pFlgAry);
364 :
365 : // eps
366 : bool DrawEPS ( const Rectangle& rBoundingBox, void* pPtr, sal_uInt32 nSize);
367 :
368 : // image drawing
369 : void DrawBitmap (const Rectangle& rDest, const Rectangle& rSrc,
370 : const PrinterBmp& rBitmap);
371 :
372 : // font and text handling
373 : sal_uInt16 SetFont (
374 : sal_Int32 nFontID,
375 : sal_Int32 nPointHeight,
376 : sal_Int32 nPointWidth,
377 : sal_Int32 nAngle,
378 : bool bVertical,
379 : bool bArtItalic,
380 : bool bArtBold
381 : );
382 0 : sal_Int32 GetFontAngle () const
383 0 : { return mnTextAngle; }
384 0 : sal_Int32 GetFontID () const
385 0 : { return mnFontID; }
386 0 : bool GetFontVertical() const
387 0 : { return mbTextVertical; }
388 0 : sal_Int32 GetFontHeight () const
389 0 : { return maVirtualStatus.mnTextHeight; }
390 0 : sal_Int32 GetFontWidth () const
391 0 : { return maVirtualStatus.mnTextWidth; }
392 0 : bool GetArtificialItalic() const
393 0 : { return maVirtualStatus.mbArtItalic; }
394 0 : bool GetArtificialBold() const
395 0 : { return maVirtualStatus.mbArtBold; }
396 : void DrawText (const Point& rPoint,
397 : const sal_Unicode* pStr, sal_Int16 nLen,
398 : const sal_Int32* pDeltaArray = NULL);
399 0 : void SetTextColor (PrinterColor& rTextColor)
400 0 : { maTextColor = rTextColor; }
401 : sal_Int32 GetCharWidth (sal_uInt16 nFrom, sal_uInt16 nTo,
402 : long *pWidthArray);
403 : // for CTL
404 : void DrawGlyphs( const Point& rPoint,
405 : sal_GlyphId* pGlyphIds,
406 : sal_Unicode* pUnicodes,
407 : sal_Int16 nLen,
408 : sal_Int32* pDeltaArray );
409 :
410 : };
411 :
412 : } /* namespace psp */
413 :
414 : #endif // INCLUDED_VCL_INC_GENERIC_PRINTERGFX_HXX
415 :
416 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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