void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath,
const CFX_AffineMatrix* pObj2Device) {
if (ClipPath.IsNull()) {
if (!m_LastClipPath.IsNull()) {
m_pDevice->RestoreState(TRUE);
m_LastClipPath.SetNull();
}
return;
}
if (m_LastClipPath == ClipPath)
return;
m_LastClipPath = ClipPath;
m_pDevice->RestoreState(TRUE);
int nClipPath = ClipPath.GetPathCount();
for (int i = 0; i < nClipPath; ++i) {
const CFX_PathData* pPathData = ClipPath.GetPath(i);
if (!pPathData)
continue;
if (pPathData->GetPointCount() == 0) {
CFX_PathData EmptyPath;
EmptyPath.AppendRect(-1, -1, 0, 0);
int fill_mode = FXFILL_WINDING;
m_pDevice->SetClip_PathFill(&EmptyPath, nullptr, fill_mode);
} else {
int ClipType = ClipPath.GetClipType(i);
m_pDevice->SetClip_PathFill(pPathData, pObj2Device, ClipType);
}
}
int textcount = ClipPath.GetTextCount();
if (textcount == 0)
return;
if (m_pDevice->GetDeviceClass() == FXDC_DISPLAY &&
!(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP)) {
return;
}
nonstd::unique_ptr<CFX_PathData> pTextClippingPath;
for (int i = 0; i < textcount; ++i) {
CPDF_TextObject* pText = ClipPath.GetText(i);
if (pText) {
if (!pTextClippingPath)
pTextClippingPath.reset(new CFX_PathData);
ProcessText(pText, pObj2Device, pTextClippingPath.get());
continue;
}
if (!pTextClippingPath)
continue;
int fill_mode = FXFILL_WINDING;
if (m_Options.m_Flags & RENDER_NOTEXTSMOOTH)
fill_mode |= FXFILL_NOPATHSMOOTH;
m_pDevice->SetClip_PathFill(pTextClippingPath.get(), nullptr, fill_mode);
pTextClippingPath.reset();
}
}
void CPDF_RenderStatus::DrawClipPath(CPDF_ClipPath ClipPath,
const CFX_AffineMatrix* pObj2Device) {
if (ClipPath.IsNull()) {
return;
}
int fill_mode = 0;
if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) {
fill_mode |= FXFILL_NOPATHSMOOTH;
}
int nClipPath = ClipPath.GetPathCount();
int i;
for (i = 0; i < nClipPath; i++) {
const CFX_PathData* pPathData = ClipPath.GetPath(i);
if (pPathData == NULL) {
continue;
}
CFX_GraphStateData stroke_state;
if (m_Options.m_Flags & RENDER_THINLINE) {
stroke_state.m_LineWidth = 0;
}
m_pDevice->DrawPath(pPathData, pObj2Device, &stroke_state, 0, 0xffff0000,
fill_mode);
}
}
