diff options
Diffstat (limited to 'core/fxge/ge/fx_ge_device.cpp')
-rw-r--r-- | core/fxge/ge/fx_ge_device.cpp | 474 |
1 files changed, 474 insertions, 0 deletions
diff --git a/core/fxge/ge/fx_ge_device.cpp b/core/fxge/ge/fx_ge_device.cpp new file mode 100644 index 0000000000..b8ddfec841 --- /dev/null +++ b/core/fxge/ge/fx_ge_device.cpp @@ -0,0 +1,474 @@ +// 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 "core/include/fxge/fx_ge.h" + +CFX_RenderDevice::CFX_RenderDevice() { + m_pDeviceDriver = NULL; + m_pBitmap = NULL; +} +CFX_RenderDevice::~CFX_RenderDevice() { + delete m_pDeviceDriver; +} +void CFX_RenderDevice::SetDeviceDriver(IFX_RenderDeviceDriver* pDriver) { + delete m_pDeviceDriver; + m_pDeviceDriver = pDriver; + InitDeviceInfo(); +} +void CFX_RenderDevice::InitDeviceInfo() { + m_Width = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_WIDTH); + m_Height = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_HEIGHT); + m_bpp = m_pDeviceDriver->GetDeviceCaps(FXDC_BITS_PIXEL); + m_RenderCaps = m_pDeviceDriver->GetDeviceCaps(FXDC_RENDER_CAPS); + m_DeviceClass = m_pDeviceDriver->GetDeviceCaps(FXDC_DEVICE_CLASS); + if (!m_pDeviceDriver->GetClipBox(&m_ClipBox)) { + m_ClipBox.left = 0; + m_ClipBox.top = 0; + m_ClipBox.right = m_Width; + m_ClipBox.bottom = m_Height; + } +} +FX_BOOL CFX_RenderDevice::StartRendering() { + return m_pDeviceDriver->StartRendering(); +} +void CFX_RenderDevice::EndRendering() { + m_pDeviceDriver->EndRendering(); +} +void CFX_RenderDevice::SaveState() { + m_pDeviceDriver->SaveState(); +} +void CFX_RenderDevice::RestoreState(FX_BOOL bKeepSaved) { + m_pDeviceDriver->RestoreState(bKeepSaved); + UpdateClipBox(); +} +int CFX_RenderDevice::GetDeviceCaps(int caps_id) const { + return m_pDeviceDriver->GetDeviceCaps(caps_id); +} +CFX_Matrix CFX_RenderDevice::GetCTM() const { + return m_pDeviceDriver->GetCTM(); +} +FX_BOOL CFX_RenderDevice::CreateCompatibleBitmap(CFX_DIBitmap* pDIB, + int width, + int height) const { + if (m_RenderCaps & FXRC_CMYK_OUTPUT) { + return pDIB->Create(width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT + ? FXDIB_Cmyka + : FXDIB_Cmyk); + } + if (m_RenderCaps & FXRC_BYTEMASK_OUTPUT) { + return pDIB->Create(width, height, FXDIB_8bppMask); + } +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + return pDIB->Create(width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT + ? FXDIB_Argb + : FXDIB_Rgb32); +#else + return pDIB->Create( + width, height, m_RenderCaps & FXRC_ALPHA_OUTPUT ? FXDIB_Argb : FXDIB_Rgb); +#endif +} +FX_BOOL CFX_RenderDevice::SetClip_PathFill(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + int fill_mode) { + if (!m_pDeviceDriver->SetClip_PathFill(pPathData, pObject2Device, + fill_mode)) { + return FALSE; + } + UpdateClipBox(); + return TRUE; +} +FX_BOOL CFX_RenderDevice::SetClip_PathStroke( + const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + const CFX_GraphStateData* pGraphState) { + if (!m_pDeviceDriver->SetClip_PathStroke(pPathData, pObject2Device, + pGraphState)) { + return FALSE; + } + UpdateClipBox(); + return TRUE; +} +FX_BOOL CFX_RenderDevice::SetClip_Rect(const FX_RECT& rect) { + CFX_PathData path; + path.AppendRect(rect.left, rect.bottom, rect.right, rect.top); + if (!SetClip_PathFill(&path, nullptr, FXFILL_WINDING)) + return FALSE; + + UpdateClipBox(); + return TRUE; +} +void CFX_RenderDevice::UpdateClipBox() { + if (m_pDeviceDriver->GetClipBox(&m_ClipBox)) { + return; + } + m_ClipBox.left = 0; + m_ClipBox.top = 0; + m_ClipBox.right = m_Width; + m_ClipBox.bottom = m_Height; +} +FX_BOOL CFX_RenderDevice::DrawPath(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + const CFX_GraphStateData* pGraphState, + FX_DWORD fill_color, + FX_DWORD stroke_color, + int fill_mode, + int alpha_flag, + void* pIccTransform, + int blend_type) { + uint8_t fill_alpha, stroke_alpha; + if (FXGETFLAG_COLORTYPE(alpha_flag)) { + fill_alpha = FXGETFLAG_ALPHA_FILL(alpha_flag); + stroke_alpha = FXGETFLAG_ALPHA_STROKE(alpha_flag); + } else { + fill_alpha = FXARGB_A(fill_color); + stroke_alpha = FXARGB_A(stroke_color); + } + if ((fill_mode & 3) == 0) { + fill_alpha = 0; + } + if (!pGraphState) { + stroke_alpha = 0; + } + if (stroke_alpha == 0 && pPathData->GetPointCount() == 2) { + FX_PATHPOINT* pPoints = pPathData->GetPoints(); + FX_FLOAT x1, x2, y1, y2; + if (pObject2Device) { + pObject2Device->Transform(pPoints[0].m_PointX, pPoints[0].m_PointY, x1, + y1); + pObject2Device->Transform(pPoints[1].m_PointX, pPoints[1].m_PointY, x2, + y2); + } else { + x1 = pPoints[0].m_PointX; + y1 = pPoints[0].m_PointY; + x2 = pPoints[1].m_PointX; + y2 = pPoints[1].m_PointY; + } + DrawCosmeticLine(x1, y1, x2, y2, fill_color, fill_mode, alpha_flag, + pIccTransform, blend_type); + return TRUE; + } + if ((pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) && + stroke_alpha == 0) { + CFX_FloatRect rect_f; + if (!(fill_mode & FXFILL_RECT_AA) && + pPathData->IsRect(pObject2Device, &rect_f)) { + FX_RECT rect_i = rect_f.GetOutterRect(); + int width = (int)FXSYS_ceil(rect_f.right - rect_f.left); + if (width < 1) { + width = 1; + if (rect_i.left == rect_i.right) { + rect_i.right++; + } + } + int height = (int)FXSYS_ceil(rect_f.top - rect_f.bottom); + if (height < 1) { + height = 1; + if (rect_i.bottom == rect_i.top) { + rect_i.bottom++; + } + } + if (rect_i.Width() >= width + 1) { + if (rect_f.left - (FX_FLOAT)(rect_i.left) > + (FX_FLOAT)(rect_i.right) - rect_f.right) { + rect_i.left++; + } else { + rect_i.right--; + } + } + if (rect_i.Height() >= height + 1) { + if (rect_f.top - (FX_FLOAT)(rect_i.top) > + (FX_FLOAT)(rect_i.bottom) - rect_f.bottom) { + rect_i.top++; + } else { + rect_i.bottom--; + } + } + if (FillRect(&rect_i, fill_color, alpha_flag, pIccTransform, + blend_type)) { + return TRUE; + } + } + } + if ((fill_mode & 3) && stroke_alpha == 0 && !(fill_mode & FX_FILL_STROKE) && + !(fill_mode & FX_FILL_TEXT_MODE)) { + CFX_PathData newPath; + FX_BOOL bThin = FALSE; + if (pPathData->GetZeroAreaPath(newPath, (CFX_Matrix*)pObject2Device, bThin, + m_pDeviceDriver->GetDriverType())) { + CFX_GraphStateData graphState; + graphState.m_LineWidth = 0.0f; + FX_DWORD strokecolor = fill_color; + if (bThin) { + if (FXGETFLAG_COLORTYPE(alpha_flag)) { + FXSETFLAG_ALPHA_STROKE(alpha_flag, fill_alpha >> 2); + } else { + strokecolor = + (((fill_alpha >> 2) << 24) | (strokecolor & 0x00ffffff)); + } + } + CFX_Matrix* pMatrix = NULL; + if (pObject2Device && !pObject2Device->IsIdentity()) { + pMatrix = (CFX_Matrix*)pObject2Device; + } + int smooth_path = FX_ZEROAREA_FILL; + if (fill_mode & FXFILL_NOPATHSMOOTH) { + smooth_path |= FXFILL_NOPATHSMOOTH; + } + m_pDeviceDriver->DrawPath(&newPath, pMatrix, &graphState, 0, strokecolor, + smooth_path, alpha_flag, pIccTransform, + blend_type); + } + } + if ((fill_mode & 3) && fill_alpha && stroke_alpha < 0xff && + (fill_mode & FX_FILL_STROKE)) { + if (!(m_RenderCaps & FXRC_GET_BITS)) { + return FALSE; + } + CFX_FloatRect bbox; + if (pGraphState) { + bbox = pPathData->GetBoundingBox(pGraphState->m_LineWidth, + pGraphState->m_MiterLimit); + } else { + bbox = pPathData->GetBoundingBox(); + } + if (pObject2Device) { + bbox.Transform(pObject2Device); + } + CFX_Matrix ctm = GetCTM(); + FX_FLOAT fScaleX = FXSYS_fabs(ctm.a); + FX_FLOAT fScaleY = FXSYS_fabs(ctm.d); + FX_RECT rect = bbox.GetOutterRect(); + CFX_DIBitmap bitmap, Backdrop; + if (!CreateCompatibleBitmap(&bitmap, FXSYS_round(rect.Width() * fScaleX), + FXSYS_round(rect.Height() * fScaleY))) { + return FALSE; + } + if (bitmap.HasAlpha()) { + bitmap.Clear(0); + Backdrop.Copy(&bitmap); + } else { + if (!m_pDeviceDriver->GetDIBits(&bitmap, rect.left, rect.top, NULL)) { + return FALSE; + } + Backdrop.Copy(&bitmap); + } + CFX_FxgeDevice bitmap_device; + bitmap_device.Attach(&bitmap, 0, FALSE, &Backdrop, TRUE); + CFX_Matrix matrix; + if (pObject2Device) { + matrix = *pObject2Device; + } + matrix.TranslateI(-rect.left, -rect.top); + matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0); + if (!bitmap_device.GetDeviceDriver()->DrawPath( + pPathData, &matrix, pGraphState, fill_color, stroke_color, + fill_mode, alpha_flag, pIccTransform, blend_type)) { + return FALSE; + } + FX_RECT src_rect(0, 0, FXSYS_round(rect.Width() * fScaleX), + FXSYS_round(rect.Height() * fScaleY)); + return m_pDeviceDriver->SetDIBits(&bitmap, 0, &src_rect, rect.left, + rect.top, FXDIB_BLEND_NORMAL); + } + return m_pDeviceDriver->DrawPath(pPathData, pObject2Device, pGraphState, + fill_color, stroke_color, fill_mode, + alpha_flag, pIccTransform, blend_type); +} +FX_BOOL CFX_RenderDevice::SetPixel(int x, + int y, + FX_DWORD color, + int alpha_flag, + void* pIccTransform) { + if (m_pDeviceDriver->SetPixel(x, y, color, alpha_flag, pIccTransform)) { + return TRUE; + } + FX_RECT rect(x, y, x + 1, y + 1); + return FillRect(&rect, color, alpha_flag, pIccTransform); +} +FX_BOOL CFX_RenderDevice::FillRect(const FX_RECT* pRect, + FX_DWORD fill_color, + int alpha_flag, + void* pIccTransform, + int blend_type) { + if (m_pDeviceDriver->FillRect(pRect, fill_color, alpha_flag, pIccTransform, + blend_type)) { + return TRUE; + } + if (!(m_RenderCaps & FXRC_GET_BITS)) { + return FALSE; + } + CFX_DIBitmap bitmap; + if (!CreateCompatibleBitmap(&bitmap, pRect->Width(), pRect->Height())) { + return FALSE; + } + if (!m_pDeviceDriver->GetDIBits(&bitmap, pRect->left, pRect->top)) { + return FALSE; + } + if (!bitmap.CompositeRect(0, 0, pRect->Width(), pRect->Height(), fill_color, + alpha_flag, pIccTransform)) { + return FALSE; + } + FX_RECT src_rect(0, 0, pRect->Width(), pRect->Height()); + m_pDeviceDriver->SetDIBits(&bitmap, 0, &src_rect, pRect->left, pRect->top, + FXDIB_BLEND_NORMAL); + return TRUE; +} +FX_BOOL CFX_RenderDevice::DrawCosmeticLine(FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + FX_DWORD color, + int fill_mode, + int alpha_flag, + void* pIccTransform, + int blend_type) { + if (((m_RenderCaps & FXRC_ALPHA_PATH) && + (FXGETFLAG_COLORTYPE(alpha_flag) && + FXGETFLAG_ALPHA_FILL(alpha_flag) == 0xff)) || + color >= 0xff000000) { + if (m_pDeviceDriver->DrawCosmeticLine(x1, y1, x2, y2, color, alpha_flag, + pIccTransform, blend_type)) { + return TRUE; + } + } + CFX_GraphStateData graph_state; + CFX_PathData path; + path.SetPointCount(2); + path.SetPoint(0, x1, y1, FXPT_MOVETO); + path.SetPoint(1, x2, y2, FXPT_LINETO); + return m_pDeviceDriver->DrawPath(&path, NULL, &graph_state, 0, color, + fill_mode, alpha_flag, pIccTransform, + blend_type); +} +FX_BOOL CFX_RenderDevice::GetDIBits(CFX_DIBitmap* pBitmap, + int left, + int top, + void* pIccTransform) { + if (!(m_RenderCaps & FXRC_GET_BITS)) { + return FALSE; + } + return m_pDeviceDriver->GetDIBits(pBitmap, left, top, pIccTransform); +} +CFX_DIBitmap* CFX_RenderDevice::GetBackDrop() { + return m_pDeviceDriver->GetBackDrop(); +} +FX_BOOL CFX_RenderDevice::SetDIBits(const CFX_DIBSource* pBitmap, + int left, + int top, + int blend_mode, + void* pIccTransform) { + ASSERT(!pBitmap->IsAlphaMask()); + CFX_Matrix ctm = GetCTM(); + FX_FLOAT fScaleX = FXSYS_fabs(ctm.a); + FX_FLOAT fScaleY = FXSYS_fabs(ctm.d); + FX_RECT dest_rect(left, top, + FXSYS_round(left + pBitmap->GetWidth() / fScaleX), + FXSYS_round(top + pBitmap->GetHeight() / fScaleY)); + dest_rect.Intersect(m_ClipBox); + if (dest_rect.IsEmpty()) { + return TRUE; + } + FX_RECT src_rect(dest_rect.left - left, dest_rect.top - top, + dest_rect.left - left + dest_rect.Width(), + dest_rect.top - top + dest_rect.Height()); + src_rect.left = FXSYS_round(src_rect.left * fScaleX); + src_rect.top = FXSYS_round(src_rect.top * fScaleY); + src_rect.right = FXSYS_round(src_rect.right * fScaleX); + src_rect.bottom = FXSYS_round(src_rect.bottom * fScaleY); + if ((blend_mode != FXDIB_BLEND_NORMAL && !(m_RenderCaps & FXRC_BLEND_MODE)) || + (pBitmap->HasAlpha() && !(m_RenderCaps & FXRC_ALPHA_IMAGE))) { + if (!(m_RenderCaps & FXRC_GET_BITS)) { + return FALSE; + } + int bg_pixel_width = FXSYS_round(dest_rect.Width() * fScaleX); + int bg_pixel_height = FXSYS_round(dest_rect.Height() * fScaleY); + CFX_DIBitmap background; + if (!background.Create( + bg_pixel_width, bg_pixel_height, + (m_RenderCaps & FXRC_CMYK_OUTPUT) ? FXDIB_Cmyk : FXDIB_Rgb32)) { + return FALSE; + } + if (!m_pDeviceDriver->GetDIBits(&background, dest_rect.left, + dest_rect.top)) { + return FALSE; + } + if (!background.CompositeBitmap(0, 0, bg_pixel_width, bg_pixel_height, + pBitmap, src_rect.left, src_rect.top, + blend_mode, NULL, FALSE, pIccTransform)) { + return FALSE; + } + FX_RECT src_rect(0, 0, bg_pixel_width, bg_pixel_height); + return m_pDeviceDriver->SetDIBits(&background, 0, &src_rect, dest_rect.left, + dest_rect.top, FXDIB_BLEND_NORMAL); + } + return m_pDeviceDriver->SetDIBits(pBitmap, 0, &src_rect, dest_rect.left, + dest_rect.top, blend_mode, 0, + pIccTransform); +} +FX_BOOL CFX_RenderDevice::StretchDIBits(const CFX_DIBSource* pBitmap, + int left, + int top, + int dest_width, + int dest_height, + FX_DWORD flags, + void* pIccTransform, + int blend_mode) { + FX_RECT dest_rect(left, top, left + dest_width, top + dest_height); + FX_RECT clip_box = m_ClipBox; + clip_box.Intersect(dest_rect); + if (clip_box.IsEmpty()) { + return TRUE; + } + return m_pDeviceDriver->StretchDIBits(pBitmap, 0, left, top, dest_width, + dest_height, &clip_box, flags, 0, + pIccTransform, blend_mode); +} +FX_BOOL CFX_RenderDevice::SetBitMask(const CFX_DIBSource* pBitmap, + int left, + int top, + FX_DWORD argb, + int alpha_flag, + void* pIccTransform) { + FX_RECT src_rect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight()); + return m_pDeviceDriver->SetDIBits(pBitmap, argb, &src_rect, left, top, + FXDIB_BLEND_NORMAL, alpha_flag, + pIccTransform); +} +FX_BOOL CFX_RenderDevice::StretchBitMask(const CFX_DIBSource* pBitmap, + int left, + int top, + int dest_width, + int dest_height, + FX_DWORD argb, + FX_DWORD flags, + int alpha_flag, + void* pIccTransform) { + FX_RECT dest_rect(left, top, left + dest_width, top + dest_height); + FX_RECT clip_box = m_ClipBox; + clip_box.Intersect(dest_rect); + return m_pDeviceDriver->StretchDIBits(pBitmap, argb, left, top, dest_width, + dest_height, &clip_box, flags, + alpha_flag, pIccTransform); +} +FX_BOOL CFX_RenderDevice::StartDIBits(const CFX_DIBSource* pBitmap, + int bitmap_alpha, + FX_DWORD argb, + const CFX_Matrix* pMatrix, + FX_DWORD flags, + void*& handle, + int alpha_flag, + void* pIccTransform, + int blend_mode) { + return m_pDeviceDriver->StartDIBits(pBitmap, bitmap_alpha, argb, pMatrix, + flags, handle, alpha_flag, pIccTransform, + blend_mode); +} +FX_BOOL CFX_RenderDevice::ContinueDIBits(void* handle, IFX_Pause* pPause) { + return m_pDeviceDriver->ContinueDIBits(handle, pPause); +} +void CFX_RenderDevice::CancelDIBits(void* handle) { + m_pDeviceDriver->CancelDIBits(handle); +} |