| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "../../../include/fxge/fx_ge.h" |
| #if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_ |
| #include <windows.h> |
| #include "../../../include/fxge/fx_ge_win32.h" |
| #include "win32_int.h" |
| #include "../../../include/fxge/fx_freetype.h" |
| #include "../ge/text_int.h" |
| #include "../dib/dib_int.h" |
| #define SIZETHRESHOLD 1000 |
| #define OUTPUTPSLEN 4096 |
| CGdiPrinterDriver::CGdiPrinterDriver(HDC hDC) : CGdiDeviceDriver(hDC, FXDC_PRINTER) |
| { |
| m_HorzSize = ::GetDeviceCaps(m_hDC, HORZSIZE); |
| m_VertSize = ::GetDeviceCaps(m_hDC, VERTSIZE); |
| m_bSupportROP = TRUE; |
| } |
| int CGdiPrinterDriver::GetDeviceCaps(int caps_id) |
| { |
| if (caps_id == FXDC_HORZ_SIZE) { |
| return m_HorzSize; |
| } |
| if (caps_id == FXDC_VERT_SIZE) { |
| return m_VertSize; |
| } |
| return CGdiDeviceDriver::GetDeviceCaps(caps_id); |
| } |
| FX_BOOL CGdiPrinterDriver::SetDIBits(const CFX_DIBSource* pSource, FX_DWORD color, const FX_RECT* pSrcRect, int left, int top, int blend_type, |
| int alpha_flag, void* pIccTransform) |
| { |
| if (pSource->IsAlphaMask()) { |
| FX_RECT clip_rect(left, top, left + pSrcRect->Width(), top + pSrcRect->Height()); |
| return StretchDIBits(pSource, color, left - pSrcRect->left, top - pSrcRect->top, pSource->GetWidth(), pSource->GetHeight(), |
| &clip_rect, 0, alpha_flag, pIccTransform, FXDIB_BLEND_NORMAL); |
| } |
| ASSERT(pSource != NULL && !pSource->IsAlphaMask() && pSrcRect != NULL); |
| ASSERT(blend_type == FXDIB_BLEND_NORMAL); |
| if (pSource->HasAlpha()) { |
| return FALSE; |
| } |
| CFX_DIBExtractor temp(pSource); |
| CFX_DIBitmap* pBitmap = temp; |
| if (pBitmap == NULL) { |
| return FALSE; |
| } |
| return GDI_SetDIBits(pBitmap, pSrcRect, left, top, pIccTransform); |
| } |
| FX_BOOL CGdiPrinterDriver::StretchDIBits(const CFX_DIBSource* pSource, FX_DWORD color, int dest_left, int dest_top, |
| int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags, |
| int alpha_flag, void* pIccTransform, int blend_type) |
| { |
| if (pSource->IsAlphaMask()) { |
| int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); |
| if (pSource->GetBPP() != 1 || alpha != 255 || !m_bSupportROP) { |
| return FALSE; |
| } |
| if (dest_width < 0 || dest_height < 0) { |
| CFX_DIBitmap* pFlipped = pSource->FlipImage(dest_width < 0, dest_height < 0); |
| if (pFlipped == NULL) { |
| return FALSE; |
| } |
| if (dest_width < 0) { |
| dest_left += dest_width; |
| } |
| if (dest_height < 0) { |
| dest_top += dest_height; |
| } |
| FX_BOOL ret = GDI_StretchBitMask(pFlipped, dest_left, dest_top, abs(dest_width), abs(dest_height), color, flags, alpha_flag, pIccTransform); |
| delete pFlipped; |
| return ret; |
| } |
| CFX_DIBExtractor temp(pSource); |
| CFX_DIBitmap* pBitmap = temp; |
| if (pBitmap == NULL) { |
| return FALSE; |
| } |
| return GDI_StretchBitMask(pBitmap, dest_left, dest_top, dest_width, dest_height, color, flags, alpha_flag, pIccTransform); |
| } else { |
| ASSERT(pSource != NULL); |
| if (pSource->HasAlpha()) { |
| return FALSE; |
| } |
| if (dest_width < 0 || dest_height < 0) { |
| CFX_DIBitmap* pFlipped = pSource->FlipImage(dest_width < 0, dest_height < 0); |
| if (pFlipped == NULL) { |
| return FALSE; |
| } |
| if (dest_width < 0) { |
| dest_left += dest_width; |
| } |
| if (dest_height < 0) { |
| dest_top += dest_height; |
| } |
| FX_BOOL ret = GDI_StretchDIBits(pFlipped, dest_left, dest_top, abs(dest_width), abs(dest_height), flags, pIccTransform); |
| delete pFlipped; |
| return ret; |
| } |
| CFX_DIBExtractor temp(pSource); |
| CFX_DIBitmap* pBitmap = temp; |
| if (pBitmap == NULL) { |
| return FALSE; |
| } |
| return GDI_StretchDIBits(pBitmap, dest_left, dest_top, dest_width, dest_height, flags, pIccTransform); |
| } |
| } |
| static CFX_DIBitmap* Transform1bppBitmap(const CFX_DIBSource* pSrc, const CFX_AffineMatrix* pDestMatrix) |
| { |
| ASSERT(pSrc->GetFormat() == FXDIB_1bppRgb || pSrc->GetFormat() == FXDIB_1bppMask || pSrc->GetFormat() == FXDIB_1bppCmyk); |
| CFX_FloatRect unit_rect = pDestMatrix->GetUnitRect(); |
| FX_RECT full_rect = unit_rect.GetOutterRect(); |
| int full_left = full_rect.left; |
| int full_top = full_rect.top; |
| CFX_DIBExtractor src_bitmap(pSrc); |
| CFX_DIBitmap* pSrcBitmap = src_bitmap; |
| if (pSrcBitmap == NULL) { |
| return NULL; |
| } |
| int src_width = pSrcBitmap->GetWidth(), src_height = pSrcBitmap->GetHeight(); |
| FX_LPBYTE src_buf = pSrcBitmap->GetBuffer(); |
| FX_DWORD src_pitch = pSrcBitmap->GetPitch(); |
| FX_FLOAT dest_area = pDestMatrix->GetUnitArea(); |
| FX_FLOAT area_scale = FXSYS_Div((FX_FLOAT)(src_width * src_height), dest_area); |
| FX_FLOAT size_scale = FXSYS_sqrt(area_scale); |
| CFX_AffineMatrix adjusted_matrix(*pDestMatrix); |
| adjusted_matrix.Scale(size_scale, size_scale); |
| CFX_FloatRect result_rect_f = adjusted_matrix.GetUnitRect(); |
| FX_RECT result_rect = result_rect_f.GetOutterRect(); |
| CFX_AffineMatrix src2result; |
| src2result.e = adjusted_matrix.c + adjusted_matrix.e; |
| src2result.f = adjusted_matrix.d + adjusted_matrix.f; |
| src2result.a = adjusted_matrix.a / pSrcBitmap->GetWidth(); |
| src2result.b = adjusted_matrix.b / pSrcBitmap->GetWidth(); |
| src2result.c = -adjusted_matrix.c / pSrcBitmap->GetHeight(); |
| src2result.d = -adjusted_matrix.d / pSrcBitmap->GetHeight(); |
| src2result.TranslateI(-result_rect.left, -result_rect.top); |
| CFX_AffineMatrix result2src; |
| result2src.SetReverse(src2result); |
| CPDF_FixedMatrix result2src_fix(result2src, 8); |
| int result_width = result_rect.Width(); |
| int result_height = result_rect.Height(); |
| CFX_DIBitmap* pTempBitmap = new CFX_DIBitmap; |
| if (!pTempBitmap->Create(result_width, result_height, pSrc->GetFormat())) { |
| delete pTempBitmap; |
| if (pSrcBitmap != src_bitmap) { |
| delete pSrcBitmap; |
| } |
| return NULL; |
| } |
| pTempBitmap->CopyPalette(pSrc->GetPalette()); |
| FX_LPBYTE dest_buf = pTempBitmap->GetBuffer(); |
| int dest_pitch = pTempBitmap->GetPitch(); |
| FXSYS_memset8(dest_buf, pSrc->IsAlphaMask() ? 0 : 0xff, dest_pitch * result_height); |
| if (pSrcBitmap->IsAlphaMask()) { |
| for (int dest_y = 0; dest_y < result_height; dest_y ++) { |
| FX_LPBYTE dest_scan = dest_buf + dest_y * dest_pitch; |
| for (int dest_x = 0; dest_x < result_width; dest_x ++) { |
| int src_x, src_y; |
| result2src_fix.Transform(dest_x, dest_y, src_x, src_y); |
| if (src_x < 0 || src_x >= src_width || src_y < 0 || src_y >= src_height) { |
| continue; |
| } |
| if (!((src_buf + src_pitch * src_y)[src_x / 8] & (1 << (7 - src_x % 8)))) { |
| continue; |
| } |
| dest_scan[dest_x / 8] |= 1 << (7 - dest_x % 8); |
| } |
| } |
| } else { |
| for (int dest_y = 0; dest_y < result_height; dest_y ++) { |
| FX_LPBYTE dest_scan = dest_buf + dest_y * dest_pitch; |
| for (int dest_x = 0; dest_x < result_width; dest_x ++) { |
| int src_x, src_y; |
| result2src_fix.Transform(dest_x, dest_y, src_x, src_y); |
| if (src_x < 0 || src_x >= src_width || src_y < 0 || src_y >= src_height) { |
| continue; |
| } |
| if ((src_buf + src_pitch * src_y)[src_x / 8] & (1 << (7 - src_x % 8))) { |
| continue; |
| } |
| dest_scan[dest_x / 8] &= ~(1 << (7 - dest_x % 8)); |
| } |
| } |
| } |
| if (pSrcBitmap != src_bitmap) { |
| delete pSrcBitmap; |
| } |
| return pTempBitmap; |
| } |
| FX_BOOL CGdiPrinterDriver::StartDIBits(const CFX_DIBSource* pSource, int bitmap_alpha, FX_DWORD color, |
| const CFX_AffineMatrix* pMatrix, FX_DWORD render_flags, FX_LPVOID& handle, |
| int alpha_flag, void* pIccTransform, int blend_type) |
| { |
| if (bitmap_alpha < 255 || pSource->HasAlpha() || (pSource->IsAlphaMask() && (pSource->GetBPP() != 1 || !m_bSupportROP))) { |
| return FALSE; |
| } |
| CFX_FloatRect unit_rect = pMatrix->GetUnitRect(); |
| FX_RECT full_rect = unit_rect.GetOutterRect(); |
| if (FXSYS_fabs(pMatrix->b) < 0.5f && pMatrix->a != 0 && FXSYS_fabs(pMatrix->c) < 0.5f && pMatrix->d != 0) { |
| FX_BOOL bFlipX = pMatrix->a < 0; |
| FX_BOOL bFlipY = pMatrix->d > 0; |
| return StretchDIBits(pSource, color, bFlipX ? full_rect.right : full_rect.left, bFlipY ? full_rect.bottom : full_rect.top, |
| bFlipX ? -full_rect.Width() : full_rect.Width(), bFlipY ? -full_rect.Height() : full_rect.Height(), NULL, 0, |
| alpha_flag, pIccTransform, blend_type); |
| } |
| if (FXSYS_fabs(pMatrix->a) < 0.5f && FXSYS_fabs(pMatrix->d) < 0.5f) { |
| CFX_DIBitmap* pTransformed = pSource->SwapXY(pMatrix->c > 0, pMatrix->b < 0); |
| if (pTransformed == NULL) { |
| return FALSE; |
| } |
| FX_BOOL ret = StretchDIBits(pTransformed, color, full_rect.left, full_rect.top, full_rect.Width(), full_rect.Height(), NULL, 0, |
| alpha_flag, pIccTransform, blend_type); |
| delete pTransformed; |
| return ret; |
| } |
| if (pSource->GetBPP() == 1) { |
| CFX_DIBitmap* pTransformed = Transform1bppBitmap(pSource, pMatrix); |
| if (pIccTransform == NULL) { |
| return FALSE; |
| } |
| SaveState(); |
| CFX_PathData path; |
| path.AppendRect(0, 0, 1.0f, 1.0f); |
| SetClip_PathFill(&path, pMatrix, WINDING); |
| FX_BOOL ret = StretchDIBits(pTransformed, color, full_rect.left, full_rect.top, full_rect.Width(), full_rect.Height(), NULL, 0, |
| alpha_flag, pIccTransform, blend_type); |
| RestoreState(); |
| delete pTransformed; |
| handle = NULL; |
| return ret; |
| } |
| return FALSE; |
| } |
| CPSOutput::CPSOutput(HDC hDC) |
| { |
| m_hDC = hDC; |
| m_pBuf = NULL; |
| } |
| CPSOutput::~CPSOutput() |
| { |
| if (m_pBuf) { |
| FX_Free(m_pBuf); |
| } |
| } |
| void CPSOutput::Init() |
| { |
| m_pBuf = FX_Alloc(FX_CHAR, 1026); |
| } |
| void CPSOutput::OutputPS(FX_LPCSTR string, int len) |
| { |
| if (len < 0) { |
| len = (int)FXSYS_strlen(string); |
| } |
| int sent_len = 0; |
| while (len > 0) { |
| int send_len = len > 1024 ? 1024 : len; |
| *(FX_WORD*)m_pBuf = send_len; |
| FXSYS_memcpy(m_pBuf + 2, string + sent_len, send_len); |
| int ret = ExtEscape(m_hDC, PASSTHROUGH, send_len + 2, m_pBuf, 0, NULL); |
| sent_len += send_len; |
| len -= send_len; |
| } |
| } |
| CPSPrinterDriver::CPSPrinterDriver() |
| { |
| m_pPSOutput = NULL; |
| m_bCmykOutput = FALSE; |
| } |
| CPSPrinterDriver::~CPSPrinterDriver() |
| { |
| EndRendering(); |
| if (m_pPSOutput) { |
| delete m_pPSOutput; |
| } |
| } |
| FX_BOOL CPSPrinterDriver::Init(HDC hDC, int pslevel, FX_BOOL bCmykOutput) |
| { |
| m_hDC = hDC; |
| m_HorzSize = ::GetDeviceCaps(m_hDC, HORZSIZE); |
| m_VertSize = ::GetDeviceCaps(m_hDC, VERTSIZE); |
| m_Width = ::GetDeviceCaps(m_hDC, HORZRES); |
| m_Height = ::GetDeviceCaps(m_hDC, VERTRES); |
| m_nBitsPerPixel = ::GetDeviceCaps(m_hDC, BITSPIXEL); |
| m_pPSOutput = new CPSOutput(hDC); |
| ((CPSOutput*)m_pPSOutput)->Init(); |
| m_PSRenderer.Init(m_pPSOutput, pslevel, m_Width, m_Height, bCmykOutput); |
| m_bCmykOutput = bCmykOutput; |
| HRGN hRgn = ::CreateRectRgn(0, 0, 1, 1); |
| int ret = ::GetClipRgn(hDC, hRgn); |
| if (ret == 1) { |
| ret = ::GetRegionData(hRgn, 0, NULL); |
| if (ret) { |
| RGNDATA* pData = (RGNDATA*)FX_Alloc(FX_BYTE, ret); |
| ret = ::GetRegionData(hRgn, ret, pData); |
| if (ret) { |
| CFX_PathData path; |
| path.AllocPointCount(pData->rdh.nCount * 5); |
| for (FX_DWORD i = 0; i < pData->rdh.nCount; i ++) { |
| RECT* pRect = (RECT*)(pData->Buffer + pData->rdh.nRgnSize * i); |
| path.AppendRect((FX_FLOAT)pRect->left, (FX_FLOAT)pRect->bottom, (FX_FLOAT)pRect->right, (FX_FLOAT)pRect->top); |
| } |
| m_PSRenderer.SetClip_PathFill(&path, NULL, FXFILL_WINDING); |
| } |
| FX_Free(pData); |
| } |
| } |
| ::DeleteObject(hRgn); |
| return TRUE; |
| } |
| int CPSPrinterDriver::GetDeviceCaps(int caps_id) |
| { |
| switch (caps_id) { |
| case FXDC_DEVICE_CLASS: |
| return FXDC_PRINTER; |
| case FXDC_PIXEL_WIDTH: |
| return m_Width; |
| case FXDC_PIXEL_HEIGHT: |
| return m_Height; |
| case FXDC_BITS_PIXEL: |
| return m_nBitsPerPixel; |
| case FXDC_RENDER_CAPS: |
| return m_bCmykOutput ? FXRC_BIT_MASK | FXRC_CMYK_OUTPUT : FXRC_BIT_MASK; |
| case FXDC_HORZ_SIZE: |
| return m_HorzSize; |
| case FXDC_VERT_SIZE: |
| return m_VertSize; |
| } |
| return 0; |
| } |
| FX_BOOL CPSPrinterDriver::StartRendering() |
| { |
| return m_PSRenderer.StartRendering(); |
| } |
| void CPSPrinterDriver::EndRendering() |
| { |
| m_PSRenderer.EndRendering(); |
| } |
| void CPSPrinterDriver::SaveState() |
| { |
| m_PSRenderer.SaveState(); |
| } |
| void CPSPrinterDriver::RestoreState(FX_BOOL bKeepSaved) |
| { |
| m_PSRenderer.RestoreState(bKeepSaved); |
| } |
| FX_BOOL CPSPrinterDriver::SetClip_PathFill(const CFX_PathData* pPathData, const CFX_AffineMatrix* pObject2Device, |
| int fill_mode) |
| { |
| m_PSRenderer.SetClip_PathFill(pPathData, pObject2Device, fill_mode); |
| return TRUE; |
| } |
| FX_BOOL CPSPrinterDriver::SetClip_PathStroke(const CFX_PathData* pPathData, |
| const CFX_AffineMatrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState) |
| { |
| m_PSRenderer.SetClip_PathStroke(pPathData, pObject2Device, pGraphState); |
| return TRUE; |
| } |
| FX_BOOL CPSPrinterDriver::DrawPath(const CFX_PathData* pPathData, |
| const CFX_AffineMatrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState, FX_ARGB fill_color, FX_ARGB stroke_color, |
| int fill_mode, int alpha_flag, void* pIccTransform, int blend_type) |
| { |
| if (blend_type != FXDIB_BLEND_NORMAL) { |
| return FALSE; |
| } |
| return m_PSRenderer.DrawPath(pPathData, pObject2Device, pGraphState, fill_color, stroke_color, fill_mode & 3, alpha_flag, pIccTransform); |
| } |
| FX_BOOL CPSPrinterDriver::GetClipBox(FX_RECT* pRect) |
| { |
| *pRect = m_PSRenderer.GetClipBox(); |
| return TRUE; |
| } |
| FX_BOOL CPSPrinterDriver::SetDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, const FX_RECT* pSrcRect, int left, int top, int blend_type, |
| int alpha_flag, void* pIccTransform) |
| { |
| if (blend_type != FXDIB_BLEND_NORMAL) { |
| return FALSE; |
| } |
| return m_PSRenderer.SetDIBits(pBitmap, color, left, top, alpha_flag, pIccTransform); |
| } |
| FX_BOOL CPSPrinterDriver::StretchDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, int dest_left, int dest_top, |
| int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags, |
| int alpha_flag, void* pIccTransform, int blend_type) |
| { |
| if (blend_type != FXDIB_BLEND_NORMAL) { |
| return FALSE; |
| } |
| return m_PSRenderer.StretchDIBits(pBitmap, color, dest_left, dest_top, dest_width, dest_height, flags, alpha_flag, pIccTransform); |
| } |
| FX_BOOL CPSPrinterDriver::StartDIBits(const CFX_DIBSource* pBitmap, int bitmap_alpha, FX_DWORD color, |
| const CFX_AffineMatrix* pMatrix, FX_DWORD render_flags, FX_LPVOID& handle, |
| int alpha_flag, void* pIccTransform, int blend_type) |
| { |
| if (blend_type != FXDIB_BLEND_NORMAL) { |
| return FALSE; |
| } |
| if (bitmap_alpha < 255) { |
| return FALSE; |
| } |
| handle = NULL; |
| return m_PSRenderer.DrawDIBits(pBitmap, color, pMatrix, render_flags, alpha_flag, pIccTransform); |
| } |
| FX_BOOL CPSPrinterDriver::DrawDeviceText(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont, |
| CFX_FontCache* pCache, const CFX_AffineMatrix* pObject2Device, FX_FLOAT font_size, FX_DWORD color, |
| int alpha_flag, void* pIccTransform) |
| { |
| return m_PSRenderer.DrawText(nChars, pCharPos, pFont, pCache, pObject2Device, font_size, color, alpha_flag, pIccTransform); |
| } |
| #endif |
