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;
}
FX_BOOL CGdiPrinterDriver::StartDIBits(const CFX_DIBSource* pSource,
int bitmap_alpha,
FX_DWORD color,
const CFX_AffineMatrix* pMatrix,
FX_DWORD render_flags,
void*& 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;
}
