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authorDan Sinclair <dsinclair@chromium.org>2018-01-17 18:56:56 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-01-17 18:56:56 +0000
commitc458c1774537b09f32fcf1858db8e3d30fb5b847 (patch)
tree2195a39c2080d86d86e84784c4b541d9b1639f3d /xfa/fxfa/parser/cxfa_box.cpp
parentaca769671c706607ff29882c46bac77baa449acb (diff)
downloadpdfium-c458c1774537b09f32fcf1858db8e3d30fb5b847.tar.xz
Move GetFillpath to CXFA_Rectangle
This CL moves the code related to getting the fill path for rectangles to the CXFA_Rectangle class. Change-Id: I83c43c259d2decadaeb99d1f081f3972ddf8294e Reviewed-on: https://pdfium-review.googlesource.com/23111 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'xfa/fxfa/parser/cxfa_box.cpp')
-rw-r--r--xfa/fxfa/parser/cxfa_box.cpp174
1 files changed, 23 insertions, 151 deletions
diff --git a/xfa/fxfa/parser/cxfa_box.cpp b/xfa/fxfa/parser/cxfa_box.cpp
index 01e51b313b..3aacd90b09 100644
--- a/xfa/fxfa/parser/cxfa_box.cpp
+++ b/xfa/fxfa/parser/cxfa_box.cpp
@@ -77,154 +77,6 @@ void XFA_BOX_GetPath_Arc(CXFA_Box* box,
-sweepAngle.value_or(360) * FX_PI / 180.0f);
}
-void XFA_BOX_GetFillPath(CXFA_Box* box,
- const std::vector<CXFA_Stroke*>& strokes,
- CFX_RectF rtWidget,
- CXFA_GEPath& fillPath,
- bool forceRound) {
- if (box->IsArc() || forceRound) {
- CXFA_Edge* edge = box->GetEdgeIfExists(0);
- float fThickness = std::fmax(0.0, edge ? edge->GetThickness() : 0);
- float fHalf = fThickness / 2;
- XFA_AttributeEnum iHand = box->GetHand();
- if (iHand == XFA_AttributeEnum::Left)
- rtWidget.Inflate(fHalf, fHalf);
- else if (iHand == XFA_AttributeEnum::Right)
- rtWidget.Deflate(fHalf, fHalf);
-
- XFA_BOX_GetPath_Arc(box, rtWidget, fillPath, forceRound);
- return;
- }
-
- bool bSameStyles = true;
- CXFA_Stroke* stroke1 = strokes[0];
- for (int32_t i = 1; i < 8; i++) {
- CXFA_Stroke* stroke2 = strokes[i];
- if (!stroke1->SameStyles(stroke2, 0)) {
- bSameStyles = false;
- break;
- }
- stroke1 = stroke2;
- }
- if (bSameStyles) {
- stroke1 = strokes[0];
- for (int32_t i = 2; i < 8; i += 2) {
- CXFA_Stroke* stroke2 = strokes[i];
- if (!stroke1->SameStyles(stroke2, XFA_STROKE_SAMESTYLE_NoPresence |
- XFA_STROKE_SAMESTYLE_Corner)) {
- bSameStyles = false;
- break;
- }
- stroke1 = stroke2;
- }
- if (bSameStyles) {
- stroke1 = strokes[0];
- if (stroke1->IsInverted())
- bSameStyles = false;
- if (stroke1->GetJoinType() != XFA_AttributeEnum::Square)
- bSameStyles = false;
- }
- }
- if (bSameStyles) {
- fillPath.AddRectangle(rtWidget.left, rtWidget.top, rtWidget.width,
- rtWidget.height);
- return;
- }
-
- for (int32_t i = 0; i < 8; i += 2) {
- float sx = 0.0f;
- float sy = 0.0f;
- float vx = 1.0f;
- float vy = 1.0f;
- float nx = 1.0f;
- float ny = 1.0f;
- CFX_PointF cp1, cp2;
- auto* corner1 = static_cast<CXFA_Corner*>(strokes[i]);
- auto* corner2 = static_cast<CXFA_Corner*>(strokes[(i + 2) % 8]);
- float fRadius1 = corner1->GetRadius();
- float fRadius2 = corner2->GetRadius();
- bool bInverted = corner1->IsInverted();
- bool bRound = corner1->GetJoinType() == XFA_AttributeEnum::Round;
- if (bRound) {
- sy = FX_PI / 2;
- }
- switch (i) {
- case 0:
- cp1 = rtWidget.TopLeft();
- cp2 = rtWidget.TopRight();
- vx = 1, vy = 1;
- nx = -1, ny = 0;
- if (bRound) {
- sx = bInverted ? FX_PI / 2 : FX_PI;
- } else {
- sx = 1, sy = 0;
- }
- break;
- case 2:
- cp1 = rtWidget.TopRight();
- cp2 = rtWidget.BottomRight();
- vx = -1, vy = 1;
- nx = 0, ny = -1;
- if (bRound) {
- sx = bInverted ? FX_PI : FX_PI * 3 / 2;
- } else {
- sx = 0, sy = 1;
- }
- break;
- case 4:
- cp1 = rtWidget.BottomRight();
- cp2 = rtWidget.BottomLeft();
- vx = -1, vy = -1;
- nx = 1, ny = 0;
- if (bRound) {
- sx = bInverted ? FX_PI * 3 / 2 : 0;
- } else {
- sx = -1, sy = 0;
- }
- break;
- case 6:
- cp1 = rtWidget.BottomLeft();
- cp2 = rtWidget.TopLeft();
- vx = 1, vy = -1;
- nx = 0, ny = 1;
- if (bRound) {
- sx = bInverted ? 0 : FX_PI / 2;
- } else {
- sx = 0;
- sy = -1;
- }
- break;
- }
- if (i == 0)
- fillPath.MoveTo(CFX_PointF(cp1.x, cp1.y + fRadius1));
-
- if (bRound) {
- if (fRadius1 < 0)
- sx -= FX_PI;
- if (bInverted)
- sy *= -1;
-
- CFX_RectF rtRadius(cp1.x, cp1.y, fRadius1 * 2 * vx, fRadius1 * 2 * vy);
- rtRadius.Normalize();
- if (bInverted)
- rtRadius.Offset(-fRadius1 * vx, -fRadius1 * vy);
-
- fillPath.ArcTo(rtRadius.TopLeft(), rtRadius.Size(), sx, sy);
- } else {
- CFX_PointF cp;
- if (bInverted) {
- cp.x = cp1.x + fRadius1 * vx;
- cp.y = cp1.y + fRadius1 * vy;
- } else {
- cp = cp1;
- }
- fillPath.LineTo(cp);
- fillPath.LineTo(CFX_PointF(cp1.x + fRadius1 * sx, cp1.y + fRadius1 * sy));
- }
- fillPath.LineTo(CFX_PointF(cp2.x + fRadius2 * nx, cp2.y + fRadius2 * ny));
- }
-}
-
void XFA_BOX_StrokeArc(CXFA_Box* box,
CXFA_Graphics* pGS,
CFX_RectF rtWidget,
@@ -314,6 +166,10 @@ void XFA_BOX_StrokeArc(CXFA_Box* box,
pGS->RestoreGraphState();
}
+CXFA_Rectangle* ToRectangle(CXFA_Box* box) {
+ return static_cast<CXFA_Rectangle*>(box);
+}
+
} // namespace
CXFA_Box::CXFA_Box(CXFA_Document* pDoc,
@@ -468,7 +324,7 @@ void CXFA_Box::Draw(CXFA_Graphics* pGS,
if (type == XFA_Element::Arc || forceRound) {
XFA_BOX_StrokeArc(this, pGS, rtWidget, matrix, forceRound);
} else if (type == XFA_Element::Rectangle || type == XFA_Element::Border) {
- static_cast<CXFA_Rectangle*>(this)->Draw(strokes, pGS, rtWidget, matrix);
+ ToRectangle(this)->Draw(strokes, pGS, rtWidget, matrix);
} else {
NOTREACHED();
}
@@ -476,7 +332,7 @@ void CXFA_Box::Draw(CXFA_Graphics* pGS,
void CXFA_Box::DrawFill(const std::vector<CXFA_Stroke*>& strokes,
CXFA_Graphics* pGS,
- const CFX_RectF& rtWidget,
+ CFX_RectF rtWidget,
const CFX_Matrix& matrix,
bool forceRound) {
CXFA_Fill* fill = GetFillIfExists();
@@ -486,7 +342,23 @@ void CXFA_Box::DrawFill(const std::vector<CXFA_Stroke*>& strokes,
pGS->SaveGraphState();
CXFA_GEPath fillPath;
- XFA_BOX_GetFillPath(this, strokes, rtWidget, fillPath, forceRound);
+ XFA_Element type = GetElementType();
+ if (type == XFA_Element::Arc || forceRound) {
+ CXFA_Edge* edge = GetEdgeIfExists(0);
+ float fThickness = std::fmax(0.0, edge ? edge->GetThickness() : 0);
+ float fHalf = fThickness / 2;
+ XFA_AttributeEnum iHand = GetHand();
+ if (iHand == XFA_AttributeEnum::Left)
+ rtWidget.Inflate(fHalf, fHalf);
+ else if (iHand == XFA_AttributeEnum::Right)
+ rtWidget.Deflate(fHalf, fHalf);
+
+ XFA_BOX_GetPath_Arc(this, rtWidget, fillPath, forceRound);
+ } else if (type == XFA_Element::Rectangle || type == XFA_Element::Border) {
+ ToRectangle(this)->GetFillPath(strokes, rtWidget, &fillPath);
+ } else {
+ NOTREACHED();
+ }
fillPath.Close();
fill->Draw(pGS, &fillPath, rtWidget, matrix);