Initial commit.

1 files changed, 405 insertions, 0 deletions

diff --git a/core/src/fxge/ge/fx_ge_device.cpp b/core/src/fxge/ge/fx_ge_device.cpp
new file mode 100644
index 0000000000..8f7ccdb7d9
--- /dev/null
+++ b/core/src/fxge/ge/fx_ge_device.cpp
@@ -0,0 +1,405 @@
+// 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"

+CFX_RenderDevice::CFX_RenderDevice()

+{

+    m_pDeviceDriver = NULL;

+    m_pBitmap = NULL;

+}

+CFX_RenderDevice::~CFX_RenderDevice()

+{

+    if (m_pDeviceDriver) {

+        delete m_pDeviceDriver;

+    }

+}

+void CFX_RenderDevice::SetDeviceDriver(IFX_RenderDeviceDriver* pDriver)

+{

+    if (m_pDeviceDriver) {

+        delete m_pDeviceDriver;

+    }

+    m_pDeviceDriver = pDriver;

+    InitDeviceInfo();

+}

+void CFX_RenderDevice::InitDeviceInfo()

+{

+    ASSERT(m_pDeviceDriver != NULL);

+    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);

+    } else if (m_RenderCaps & FXRC_BYTEMASK_OUTPUT) {

+        return pDIB->Create(width, height, FXDIB_8bppMask);

+    } else

+#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_AffineMatrix* 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_AffineMatrix* 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* pRect)

+{

+    CFX_PathData path;

+    path.AppendRect((FX_FLOAT)(pRect->left), (FX_FLOAT)(pRect->bottom), (FX_FLOAT)(pRect->right), (FX_FLOAT)(pRect->top));

+    if (!SetClip_PathFill(&path, NULL, 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_AffineMatrix* pObject2Device,

+                                   const CFX_GraphStateData* pGraphState,

+                                   FX_DWORD fill_color, FX_DWORD stroke_color, int fill_mode,

+                                   int alpha_flag, void* pIccTransform, int blend_type)

+{

+    FX_BYTE 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 == NULL) {

+        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_AffineMatrix* pMatrix = NULL;

+            if (pObject2Device && !pObject2Device->IsIdentity()) {

+                pMatrix = (CFX_AffineMatrix*)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_AffineMatrix 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_AffineMatrix 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_AffineMatrix* pMatrix, FX_DWORD flags, FX_LPVOID& 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(FX_LPVOID handle, IFX_Pause* pPause)

+{

+    return m_pDeviceDriver->ContinueDIBits(handle, pPause);

+}

+void CFX_RenderDevice::CancelDIBits(FX_LPVOID handle)

+{

+    m_pDeviceDriver->CancelDIBits(handle);

+}