bool CFX_RenderDevice::DrawPathWithBlend(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t stroke_color,
int fill_mode,
BlendMode blend_type) {
uint8_t stroke_alpha = pGraphState ? FXARGB_A(stroke_color) : 0;
uint8_t fill_alpha = (fill_mode & 3) ? FXARGB_A(fill_color) : 0;
const std::vector<FX_PATHPOINT>& pPoints = pPathData->GetPoints();
if (stroke_alpha == 0 && pPoints.size() == 2) {
CFX_PointF pos1 = pPoints[0].m_Point;
CFX_PointF pos2 = pPoints[1].m_Point;
if (pObject2Device) {
pos1 = pObject2Device->Transform(pos1);
pos2 = pObject2Device->Transform(pos2);
}
DrawCosmeticLine(pos1, pos2, fill_color, fill_mode, blend_type);
return true;
}
if ((pPoints.size() == 5 || pPoints.size() == 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.GetOuterRect();
// Depending on the top/bottom, left/right values of the rect it's
// possible to overflow the Width() and Height() calculations. Check that
// the rect will have valid dimension before continuing.
if (!rect_i.Valid())
return false;
int width = static_cast<int>(ceil(rect_f.right - rect_f.left));
if (width < 1) {
width = 1;
if (rect_i.left == rect_i.right)
++rect_i.right;
}
int height = static_cast<int>(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 - static_cast<float>(rect_i.left) >
static_cast<float>(rect_i.right) - rect_f.right) {
++rect_i.left;
} else {
--rect_i.right;
}
}
if (rect_i.Height() >= height + 1) {
if (rect_f.top - static_cast<float>(rect_i.top) >
static_cast<float>(rect_i.bottom) - rect_f.bottom) {
++rect_i.top;
} else {
--rect_i.bottom;
}
}
if (FillRectWithBlend(rect_i, fill_color, 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;
bool bThin = false;
bool setIdentity = false;
if (pPathData->GetZeroAreaPath(pObject2Device,
!!m_pDeviceDriver->GetDriverType(), &newPath,
&bThin, &setIdentity)) {
CFX_GraphStateData graphState;
graphState.m_LineWidth = 0.0f;
uint32_t strokecolor = fill_color;
if (bThin)
strokecolor = (((fill_alpha >> 2) << 24) | (strokecolor & 0x00ffffff));
const CFX_Matrix* pMatrix = nullptr;
if (pObject2Device && !pObject2Device->IsIdentity() && !setIdentity)
pMatrix = 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, blend_type);
}
bool CFX_RenderDevice::DrawPathWithBlend(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t stroke_color,
int fill_mode,
int blend_type) {
uint8_t stroke_alpha = pGraphState ? FXARGB_A(stroke_color) : 0;
uint8_t fill_alpha = (fill_mode & 3) ? FXARGB_A(fill_color) : 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, 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.GetOuterRect();
// Depending on the top/bottom, left/right values of the rect it's
// possible to overflow the Width() and Height() calculations. Check that
// the rect will have valid dimension before continuing.
if (!rect_i.Valid())
return false;
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 (FillRectWithBlend(&rect_i, fill_color, 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;
bool bThin = false;
if (pPathData->GetZeroAreaPath(newPath, (CFX_Matrix*)pObject2Device, bThin,
!!m_pDeviceDriver->GetDriverType())) {
CFX_GraphStateData graphState;
graphState.m_LineWidth = 0.0f;
uint32_t strokecolor = fill_color;
if (bThin)
strokecolor = (((fill_alpha >> 2) << 24) | (strokecolor & 0x00ffffff));
CFX_Matrix* pMatrix = nullptr;
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, blend_type);
}
