1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "../../../include/fxge/fx_ge.h" 8 #if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_ 9 #include <windows.h> 10 #include "../../../include/fxge/fx_ge_win32.h" 11 #include "win32_int.h" 12 #include "../../../include/fxge/fx_freetype.h" 13 #include "../ge/text_int.h" 14 #include "../dib/dib_int.h" 15 #define SIZETHRESHOLD 1000 16 #define OUTPUTPSLEN 4096 17 CGdiPrinterDriver::CGdiPrinterDriver(HDC hDC) : CGdiDeviceDriver(hDC, FXDC_PRINTER) 18 { 19 m_HorzSize = ::GetDeviceCaps(m_hDC, HORZSIZE); 20 m_VertSize = ::GetDeviceCaps(m_hDC, VERTSIZE); 21 m_bSupportROP = TRUE; 22 } 23 int CGdiPrinterDriver::GetDeviceCaps(int caps_id) 24 { 25 if (caps_id == FXDC_HORZ_SIZE) { 26 return m_HorzSize; 27 } 28 if (caps_id == FXDC_VERT_SIZE) { 29 return m_VertSize; 30 } 31 return CGdiDeviceDriver::GetDeviceCaps(caps_id); 32 } 33 FX_BOOL CGdiPrinterDriver::SetDIBits(const CFX_DIBSource* pSource, FX_DWORD color, const FX_RECT* pSrcRect, int left, int top, int blend_type, 34 int alpha_flag, void* pIccTransform) 35 { 36 if (pSource->IsAlphaMask()) { 37 FX_RECT clip_rect(left, top, left + pSrcRect->Width(), top + pSrcRect->Height()); 38 return StretchDIBits(pSource, color, left - pSrcRect->left, top - pSrcRect->top, pSource->GetWidth(), pSource->GetHeight(), 39 &clip_rect, 0, alpha_flag, pIccTransform, FXDIB_BLEND_NORMAL); 40 } 41 ASSERT(pSource != NULL && !pSource->IsAlphaMask() && pSrcRect != NULL); 42 ASSERT(blend_type == FXDIB_BLEND_NORMAL); 43 if (pSource->HasAlpha()) { 44 return FALSE; 45 } 46 CFX_DIBExtractor temp(pSource); 47 CFX_DIBitmap* pBitmap = temp; 48 if (pBitmap == NULL) { 49 return FALSE; 50 } 51 return GDI_SetDIBits(pBitmap, pSrcRect, left, top, pIccTransform); 52 } 53 FX_BOOL CGdiPrinterDriver::StretchDIBits(const CFX_DIBSource* pSource, FX_DWORD color, int dest_left, int dest_top, 54 int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags, 55 int alpha_flag, void* pIccTransform, int blend_type) 56 { 57 if (pSource->IsAlphaMask()) { 58 int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); 59 if (pSource->GetBPP() != 1 || alpha != 255 || !m_bSupportROP) { 60 return FALSE; 61 } 62 if (dest_width < 0 || dest_height < 0) { 63 CFX_DIBitmap* pFlipped = pSource->FlipImage(dest_width < 0, dest_height < 0); 64 if (pFlipped == NULL) { 65 return FALSE; 66 } 67 if (dest_width < 0) { 68 dest_left += dest_width; 69 } 70 if (dest_height < 0) { 71 dest_top += dest_height; 72 } 73 FX_BOOL ret = GDI_StretchBitMask(pFlipped, dest_left, dest_top, abs(dest_width), abs(dest_height), color, flags, alpha_flag, pIccTransform); 74 delete pFlipped; 75 return ret; 76 } 77 CFX_DIBExtractor temp(pSource); 78 CFX_DIBitmap* pBitmap = temp; 79 if (pBitmap == NULL) { 80 return FALSE; 81 } 82 return GDI_StretchBitMask(pBitmap, dest_left, dest_top, dest_width, dest_height, color, flags, alpha_flag, pIccTransform); 83 } else { 84 ASSERT(pSource != NULL); 85 if (pSource->HasAlpha()) { 86 return FALSE; 87 } 88 if (dest_width < 0 || dest_height < 0) { 89 CFX_DIBitmap* pFlipped = pSource->FlipImage(dest_width < 0, dest_height < 0); 90 if (pFlipped == NULL) { 91 return FALSE; 92 } 93 if (dest_width < 0) { 94 dest_left += dest_width; 95 } 96 if (dest_height < 0) { 97 dest_top += dest_height; 98 } 99 FX_BOOL ret = GDI_StretchDIBits(pFlipped, dest_left, dest_top, abs(dest_width), abs(dest_height), flags, pIccTransform); 100 delete pFlipped; 101 return ret; 102 } 103 CFX_DIBExtractor temp(pSource); 104 CFX_DIBitmap* pBitmap = temp; 105 if (pBitmap == NULL) { 106 return FALSE; 107 } 108 return GDI_StretchDIBits(pBitmap, dest_left, dest_top, dest_width, dest_height, flags, pIccTransform); 109 } 110 } 111 static CFX_DIBitmap* Transform1bppBitmap(const CFX_DIBSource* pSrc, const CFX_AffineMatrix* pDestMatrix) 112 { 113 ASSERT(pSrc->GetFormat() == FXDIB_1bppRgb || pSrc->GetFormat() == FXDIB_1bppMask || pSrc->GetFormat() == FXDIB_1bppCmyk); 114 CFX_FloatRect unit_rect = pDestMatrix->GetUnitRect(); 115 FX_RECT full_rect = unit_rect.GetOutterRect(); 116 int full_left = full_rect.left; 117 int full_top = full_rect.top; 118 CFX_DIBExtractor src_bitmap(pSrc); 119 CFX_DIBitmap* pSrcBitmap = src_bitmap; 120 if (pSrcBitmap == NULL) { 121 return NULL; 122 } 123 int src_width = pSrcBitmap->GetWidth(), src_height = pSrcBitmap->GetHeight(); 124 FX_LPBYTE src_buf = pSrcBitmap->GetBuffer(); 125 FX_DWORD src_pitch = pSrcBitmap->GetPitch(); 126 FX_FLOAT dest_area = pDestMatrix->GetUnitArea(); 127 FX_FLOAT area_scale = FXSYS_Div((FX_FLOAT)(src_width * src_height), dest_area); 128 FX_FLOAT size_scale = FXSYS_sqrt(area_scale); 129 CFX_AffineMatrix adjusted_matrix(*pDestMatrix); 130 adjusted_matrix.Scale(size_scale, size_scale); 131 CFX_FloatRect result_rect_f = adjusted_matrix.GetUnitRect(); 132 FX_RECT result_rect = result_rect_f.GetOutterRect(); 133 CFX_AffineMatrix src2result; 134 src2result.e = adjusted_matrix.c + adjusted_matrix.e; 135 src2result.f = adjusted_matrix.d + adjusted_matrix.f; 136 src2result.a = adjusted_matrix.a / pSrcBitmap->GetWidth(); 137 src2result.b = adjusted_matrix.b / pSrcBitmap->GetWidth(); 138 src2result.c = -adjusted_matrix.c / pSrcBitmap->GetHeight(); 139 src2result.d = -adjusted_matrix.d / pSrcBitmap->GetHeight(); 140 src2result.TranslateI(-result_rect.left, -result_rect.top); 141 CFX_AffineMatrix result2src; 142 result2src.SetReverse(src2result); 143 CPDF_FixedMatrix result2src_fix(result2src, 8); 144 int result_width = result_rect.Width(); 145 int result_height = result_rect.Height(); 146 CFX_DIBitmap* pTempBitmap = new CFX_DIBitmap; 147 if (!pTempBitmap->Create(result_width, result_height, pSrc->GetFormat())) { 148 delete pTempBitmap; 149 if (pSrcBitmap != src_bitmap) { 150 delete pSrcBitmap; 151 } 152 return NULL; 153 } 154 pTempBitmap->CopyPalette(pSrc->GetPalette()); 155 FX_LPBYTE dest_buf = pTempBitmap->GetBuffer(); 156 int dest_pitch = pTempBitmap->GetPitch(); 157 FXSYS_memset8(dest_buf, pSrc->IsAlphaMask() ? 0 : 0xff, dest_pitch * result_height); 158 if (pSrcBitmap->IsAlphaMask()) { 159 for (int dest_y = 0; dest_y < result_height; dest_y ++) { 160 FX_LPBYTE dest_scan = dest_buf + dest_y * dest_pitch; 161 for (int dest_x = 0; dest_x < result_width; dest_x ++) { 162 int src_x, src_y; 163 result2src_fix.Transform(dest_x, dest_y, src_x, src_y); 164 if (src_x < 0 || src_x >= src_width || src_y < 0 || src_y >= src_height) { 165 continue; 166 } 167 if (!((src_buf + src_pitch * src_y)[src_x / 8] & (1 << (7 - src_x % 8)))) { 168 continue; 169 } 170 dest_scan[dest_x / 8] |= 1 << (7 - dest_x % 8); 171 } 172 } 173 } else { 174 for (int dest_y = 0; dest_y < result_height; dest_y ++) { 175 FX_LPBYTE dest_scan = dest_buf + dest_y * dest_pitch; 176 for (int dest_x = 0; dest_x < result_width; dest_x ++) { 177 int src_x, src_y; 178 result2src_fix.Transform(dest_x, dest_y, src_x, src_y); 179 if (src_x < 0 || src_x >= src_width || src_y < 0 || src_y >= src_height) { 180 continue; 181 } 182 if ((src_buf + src_pitch * src_y)[src_x / 8] & (1 << (7 - src_x % 8))) { 183 continue; 184 } 185 dest_scan[dest_x / 8] &= ~(1 << (7 - dest_x % 8)); 186 } 187 } 188 } 189 if (pSrcBitmap != src_bitmap) { 190 delete pSrcBitmap; 191 } 192 return pTempBitmap; 193 } 194 FX_BOOL CGdiPrinterDriver::StartDIBits(const CFX_DIBSource* pSource, int bitmap_alpha, FX_DWORD color, 195 const CFX_AffineMatrix* pMatrix, FX_DWORD render_flags, FX_LPVOID& handle, 196 int alpha_flag, void* pIccTransform, int blend_type) 197 { 198 if (bitmap_alpha < 255 || pSource->HasAlpha() || (pSource->IsAlphaMask() && (pSource->GetBPP() != 1 || !m_bSupportROP))) { 199 return FALSE; 200 } 201 CFX_FloatRect unit_rect = pMatrix->GetUnitRect(); 202 FX_RECT full_rect = unit_rect.GetOutterRect(); 203 if (FXSYS_fabs(pMatrix->b) < 0.5f && pMatrix->a != 0 && FXSYS_fabs(pMatrix->c) < 0.5f && pMatrix->d != 0) { 204 FX_BOOL bFlipX = pMatrix->a < 0; 205 FX_BOOL bFlipY = pMatrix->d > 0; 206 return StretchDIBits(pSource, color, bFlipX ? full_rect.right : full_rect.left, bFlipY ? full_rect.bottom : full_rect.top, 207 bFlipX ? -full_rect.Width() : full_rect.Width(), bFlipY ? -full_rect.Height() : full_rect.Height(), NULL, 0, 208 alpha_flag, pIccTransform, blend_type); 209 } 210 if (FXSYS_fabs(pMatrix->a) < 0.5f && FXSYS_fabs(pMatrix->d) < 0.5f) { 211 CFX_DIBitmap* pTransformed = pSource->SwapXY(pMatrix->c > 0, pMatrix->b < 0); 212 if (pTransformed == NULL) { 213 return FALSE; 214 } 215 FX_BOOL ret = StretchDIBits(pTransformed, color, full_rect.left, full_rect.top, full_rect.Width(), full_rect.Height(), NULL, 0, 216 alpha_flag, pIccTransform, blend_type); 217 delete pTransformed; 218 return ret; 219 } 220 if (pSource->GetBPP() == 1) { 221 CFX_DIBitmap* pTransformed = Transform1bppBitmap(pSource, pMatrix); 222 if (pIccTransform == NULL) { 223 return FALSE; 224 } 225 SaveState(); 226 CFX_PathData path; 227 path.AppendRect(0, 0, 1.0f, 1.0f); 228 SetClip_PathFill(&path, pMatrix, WINDING); 229 FX_BOOL ret = StretchDIBits(pTransformed, color, full_rect.left, full_rect.top, full_rect.Width(), full_rect.Height(), NULL, 0, 230 alpha_flag, pIccTransform, blend_type); 231 RestoreState(); 232 delete pTransformed; 233 handle = NULL; 234 return ret; 235 } 236 return FALSE; 237 } 238 CPSOutput::CPSOutput(HDC hDC) 239 { 240 m_hDC = hDC; 241 m_pBuf = NULL; 242 } 243 CPSOutput::~CPSOutput() 244 { 245 if (m_pBuf) { 246 FX_Free(m_pBuf); 247 } 248 } 249 void CPSOutput::Init() 250 { 251 m_pBuf = FX_Alloc(FX_CHAR, 1026); 252 } 253 void CPSOutput::OutputPS(FX_LPCSTR string, int len) 254 { 255 if (len < 0) { 256 len = (int)FXSYS_strlen(string); 257 } 258 int sent_len = 0; 259 while (len > 0) { 260 int send_len = len > 1024 ? 1024 : len; 261 *(FX_WORD*)m_pBuf = send_len; 262 FXSYS_memcpy(m_pBuf + 2, string + sent_len, send_len); 263 int ret = ExtEscape(m_hDC, PASSTHROUGH, send_len + 2, m_pBuf, 0, NULL); 264 sent_len += send_len; 265 len -= send_len; 266 } 267 } 268 CPSPrinterDriver::CPSPrinterDriver() 269 { 270 m_pPSOutput = NULL; 271 m_bCmykOutput = FALSE; 272 } 273 CPSPrinterDriver::~CPSPrinterDriver() 274 { 275 EndRendering(); 276 if (m_pPSOutput) { 277 delete m_pPSOutput; 278 } 279 } 280 FX_BOOL CPSPrinterDriver::Init(HDC hDC, int pslevel, FX_BOOL bCmykOutput) 281 { 282 m_hDC = hDC; 283 m_HorzSize = ::GetDeviceCaps(m_hDC, HORZSIZE); 284 m_VertSize = ::GetDeviceCaps(m_hDC, VERTSIZE); 285 m_Width = ::GetDeviceCaps(m_hDC, HORZRES); 286 m_Height = ::GetDeviceCaps(m_hDC, VERTRES); 287 m_nBitsPerPixel = ::GetDeviceCaps(m_hDC, BITSPIXEL); 288 m_pPSOutput = new CPSOutput(hDC); 289 ((CPSOutput*)m_pPSOutput)->Init(); 290 m_PSRenderer.Init(m_pPSOutput, pslevel, m_Width, m_Height, bCmykOutput); 291 m_bCmykOutput = bCmykOutput; 292 HRGN hRgn = ::CreateRectRgn(0, 0, 1, 1); 293 int ret = ::GetClipRgn(hDC, hRgn); 294 if (ret == 1) { 295 ret = ::GetRegionData(hRgn, 0, NULL); 296 if (ret) { 297 RGNDATA* pData = (RGNDATA*)FX_Alloc(FX_BYTE, ret); 298 ret = ::GetRegionData(hRgn, ret, pData); 299 if (ret) { 300 CFX_PathData path; 301 path.AllocPointCount(pData->rdh.nCount * 5); 302 for (FX_DWORD i = 0; i < pData->rdh.nCount; i ++) { 303 RECT* pRect = (RECT*)(pData->Buffer + pData->rdh.nRgnSize * i); 304 path.AppendRect((FX_FLOAT)pRect->left, (FX_FLOAT)pRect->bottom, (FX_FLOAT)pRect->right, (FX_FLOAT)pRect->top); 305 } 306 m_PSRenderer.SetClip_PathFill(&path, NULL, FXFILL_WINDING); 307 } 308 FX_Free(pData); 309 } 310 } 311 ::DeleteObject(hRgn); 312 return TRUE; 313 } 314 int CPSPrinterDriver::GetDeviceCaps(int caps_id) 315 { 316 switch (caps_id) { 317 case FXDC_DEVICE_CLASS: 318 return FXDC_PRINTER; 319 case FXDC_PIXEL_WIDTH: 320 return m_Width; 321 case FXDC_PIXEL_HEIGHT: 322 return m_Height; 323 case FXDC_BITS_PIXEL: 324 return m_nBitsPerPixel; 325 case FXDC_RENDER_CAPS: 326 return m_bCmykOutput ? FXRC_BIT_MASK | FXRC_CMYK_OUTPUT : FXRC_BIT_MASK; 327 case FXDC_HORZ_SIZE: 328 return m_HorzSize; 329 case FXDC_VERT_SIZE: 330 return m_VertSize; 331 } 332 return 0; 333 } 334 FX_BOOL CPSPrinterDriver::StartRendering() 335 { 336 return m_PSRenderer.StartRendering(); 337 } 338 void CPSPrinterDriver::EndRendering() 339 { 340 m_PSRenderer.EndRendering(); 341 } 342 void CPSPrinterDriver::SaveState() 343 { 344 m_PSRenderer.SaveState(); 345 } 346 void CPSPrinterDriver::RestoreState(FX_BOOL bKeepSaved) 347 { 348 m_PSRenderer.RestoreState(bKeepSaved); 349 } 350 FX_BOOL CPSPrinterDriver::SetClip_PathFill(const CFX_PathData* pPathData, const CFX_AffineMatrix* pObject2Device, 351 int fill_mode) 352 { 353 m_PSRenderer.SetClip_PathFill(pPathData, pObject2Device, fill_mode); 354 return TRUE; 355 } 356 FX_BOOL CPSPrinterDriver::SetClip_PathStroke(const CFX_PathData* pPathData, 357 const CFX_AffineMatrix* pObject2Device, 358 const CFX_GraphStateData* pGraphState) 359 { 360 m_PSRenderer.SetClip_PathStroke(pPathData, pObject2Device, pGraphState); 361 return TRUE; 362 } 363 FX_BOOL CPSPrinterDriver::DrawPath(const CFX_PathData* pPathData, 364 const CFX_AffineMatrix* pObject2Device, 365 const CFX_GraphStateData* pGraphState, FX_ARGB fill_color, FX_ARGB stroke_color, 366 int fill_mode, int alpha_flag, void* pIccTransform, int blend_type) 367 { 368 if (blend_type != FXDIB_BLEND_NORMAL) { 369 return FALSE; 370 } 371 return m_PSRenderer.DrawPath(pPathData, pObject2Device, pGraphState, fill_color, stroke_color, fill_mode & 3, alpha_flag, pIccTransform); 372 } 373 FX_BOOL CPSPrinterDriver::GetClipBox(FX_RECT* pRect) 374 { 375 *pRect = m_PSRenderer.GetClipBox(); 376 return TRUE; 377 } 378 FX_BOOL CPSPrinterDriver::SetDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, const FX_RECT* pSrcRect, int left, int top, int blend_type, 379 int alpha_flag, void* pIccTransform) 380 { 381 if (blend_type != FXDIB_BLEND_NORMAL) { 382 return FALSE; 383 } 384 return m_PSRenderer.SetDIBits(pBitmap, color, left, top, alpha_flag, pIccTransform); 385 } 386 FX_BOOL CPSPrinterDriver::StretchDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, int dest_left, int dest_top, 387 int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags, 388 int alpha_flag, void* pIccTransform, int blend_type) 389 { 390 if (blend_type != FXDIB_BLEND_NORMAL) { 391 return FALSE; 392 } 393 return m_PSRenderer.StretchDIBits(pBitmap, color, dest_left, dest_top, dest_width, dest_height, flags, alpha_flag, pIccTransform); 394 } 395 FX_BOOL CPSPrinterDriver::StartDIBits(const CFX_DIBSource* pBitmap, int bitmap_alpha, FX_DWORD color, 396 const CFX_AffineMatrix* pMatrix, FX_DWORD render_flags, FX_LPVOID& handle, 397 int alpha_flag, void* pIccTransform, int blend_type) 398 { 399 if (blend_type != FXDIB_BLEND_NORMAL) { 400 return FALSE; 401 } 402 if (bitmap_alpha < 255) { 403 return FALSE; 404 } 405 handle = NULL; 406 return m_PSRenderer.DrawDIBits(pBitmap, color, pMatrix, render_flags, alpha_flag, pIccTransform); 407 } 408 FX_BOOL CPSPrinterDriver::DrawDeviceText(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont, 409 CFX_FontCache* pCache, const CFX_AffineMatrix* pObject2Device, FX_FLOAT font_size, FX_DWORD color, 410 int alpha_flag, void* pIccTransform) 411 { 412 return m_PSRenderer.DrawText(nChars, pCharPos, pFont, pCache, pObject2Device, font_size, color, alpha_flag, pIccTransform); 413 } 414 #endif 415
