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path: root/src/utils/SkPatchGrid.cpp
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Diffstat (limited to 'src/utils/SkPatchGrid.cpp')
-rw-r--r--src/utils/SkPatchGrid.cpp32
1 files changed, 16 insertions, 16 deletions
diff --git a/src/utils/SkPatchGrid.cpp b/src/utils/SkPatchGrid.cpp
index b7aaa82b9b..3b7c06e954 100644
--- a/src/utils/SkPatchGrid.cpp
+++ b/src/utils/SkPatchGrid.cpp
@@ -36,28 +36,28 @@ bool SkPatchGrid::setPatch(int x, int y, const SkPoint cubics[12], const SkColor
if (x < 0 || y < 0 || x > fCols - 1 || y > fRows - 1 || nullptr == cubics) {
return false;
}
-
+
// setup corners and colors
int cornerPos = y * (fCols + 1) + x;
fCornerPts[cornerPos] = cubics[SkPatchUtils::kTopP0_CubicCtrlPts];
fCornerPts[cornerPos + 1] = cubics[SkPatchUtils::kTopP3_CubicCtrlPts];
fCornerPts[cornerPos + (fCols + 1)] = cubics[SkPatchUtils::kBottomP0_CubicCtrlPts];
fCornerPts[cornerPos + (fCols + 1) + 1] = cubics[SkPatchUtils::kBottomP3_CubicCtrlPts];
-
+
// set horizontal control points
int hrzPos = y * (fCols * 2) + (x * 2);
fHrzCtrlPts[hrzPos] = cubics[SkPatchUtils::kTopP1_CubicCtrlPts];
fHrzCtrlPts[hrzPos + 1] = cubics[SkPatchUtils::kTopP2_CubicCtrlPts];
fHrzCtrlPts[hrzPos + (fCols * 2)] = cubics[SkPatchUtils::kBottomP1_CubicCtrlPts];
fHrzCtrlPts[hrzPos + (fCols * 2) + 1] = cubics[SkPatchUtils::kBottomP2_CubicCtrlPts];
-
+
// set vertical control points
int vrtPos = (y*2) * (fCols + 1) + x;
fVrtCtrlPts[vrtPos] = cubics[SkPatchUtils::kLeftP1_CubicCtrlPts];
fVrtCtrlPts[vrtPos + 1] = cubics[SkPatchUtils::kRightP1_CubicCtrlPts];
fVrtCtrlPts[vrtPos + (fCols + 1)] = cubics[SkPatchUtils::kLeftP2_CubicCtrlPts];
fVrtCtrlPts[vrtPos + (fCols + 1) + 1] = cubics[SkPatchUtils::kRightP2_CubicCtrlPts];
-
+
// set optional values (colors and texture coordinates)
if ((fModeFlags & kColors_VertexType) && colors) {
fCornerColors[cornerPos] = colors[0];
@@ -65,57 +65,57 @@ bool SkPatchGrid::setPatch(int x, int y, const SkPoint cubics[12], const SkColor
fCornerColors[cornerPos + (fCols + 1)] = colors[3];
fCornerColors[cornerPos + (fCols + 1) + 1] = colors[2];
}
-
+
if ((fModeFlags & kTexs_VertexType) && texCoords) {
fTexCoords[cornerPos] = texCoords[0];
fTexCoords[cornerPos + 1] = texCoords[1];
fTexCoords[cornerPos + (fCols + 1)] = texCoords[3];
fTexCoords[cornerPos + (fCols + 1) + 1] = texCoords[2];
}
-
+
return true;
}
bool SkPatchGrid::getPatch(int x, int y, SkPoint cubics[12], SkColor colors[4],
SkPoint texCoords[4]) const {
-
+
if (x < 0 || y < 0 || x > fCols - 1 || y > fRows - 1 || nullptr == cubics) {
return false;
}
-
+
// set the patch by building the array of points and colors with the corresponding values.
int cornerPos = y * (fCols + 1) + x;
cubics[SkPatchUtils::kTopP0_CubicCtrlPts] = fCornerPts[cornerPos];
cubics[SkPatchUtils::kTopP3_CubicCtrlPts] = fCornerPts[cornerPos + 1];
cubics[SkPatchUtils::kBottomP0_CubicCtrlPts] = fCornerPts[cornerPos + (fCols + 1)];
cubics[SkPatchUtils::kBottomP3_CubicCtrlPts] = fCornerPts[cornerPos + (fCols + 1) + 1];
-
+
int hrzPos = y * (fCols * 2) + (x * 2);
cubics[SkPatchUtils::kTopP1_CubicCtrlPts] = fHrzCtrlPts[hrzPos];
cubics[SkPatchUtils::kTopP2_CubicCtrlPts] = fHrzCtrlPts[hrzPos + 1];
cubics[SkPatchUtils::kBottomP1_CubicCtrlPts] = fHrzCtrlPts[hrzPos + (fCols * 2)];
cubics[SkPatchUtils::kBottomP2_CubicCtrlPts] = fHrzCtrlPts[hrzPos + (fCols * 2) + 1];
-
+
int vrtPos = (y*2) * (fCols + 1) + x;
cubics[SkPatchUtils::kLeftP1_CubicCtrlPts] = fVrtCtrlPts[vrtPos];
cubics[SkPatchUtils::kRightP1_CubicCtrlPts] = fVrtCtrlPts[vrtPos + 1];
cubics[SkPatchUtils::kLeftP2_CubicCtrlPts] = fVrtCtrlPts[vrtPos + (fCols + 1)];
cubics[SkPatchUtils::kRightP2_CubicCtrlPts] = fVrtCtrlPts[vrtPos + (fCols + 1) + 1];
-
+
if ((fModeFlags & kColors_VertexType) && colors) {
colors[0] = fCornerColors[cornerPos];
colors[1] = fCornerColors[cornerPos + 1];
colors[3] = fCornerColors[cornerPos + (fCols + 1)];
colors[2] = fCornerColors[cornerPos + (fCols + 1) + 1];
}
-
+
if ((fModeFlags & kTexs_VertexType) && texCoords) {
texCoords[0] = fTexCoords[cornerPos];
texCoords[1] = fTexCoords[cornerPos + 1];
texCoords[3] = fTexCoords[cornerPos + (fCols + 1)];
texCoords[2] = fTexCoords[cornerPos + (fCols + 1) + 1];
}
-
+
return true;
}
@@ -137,12 +137,12 @@ void SkPatchGrid::reset(int rows, int cols, VertexType flags, SkXfermode* xMode)
memset(fCornerPts, 0, (fRows + 1) * (fCols + 1) * sizeof(SkPoint));
memset(fHrzCtrlPts, 0, (fRows + 1) * fCols * 2 * sizeof(SkPoint));
memset(fVrtCtrlPts, 0, fRows * 2 * (fCols + 1) * sizeof(SkPoint));
-
+
if (fModeFlags & kColors_VertexType) {
fCornerColors = new SkColor[(fRows + 1) * (fCols + 1)];
memset(fCornerColors, 0, (fRows + 1) * (fCols + 1) * sizeof(SkColor));
}
-
+
if (fModeFlags & kTexs_VertexType) {
fTexCoords = new SkPoint[(fRows + 1) * (fCols + 1)];
memset(fTexCoords, 0, (fRows + 1) * (fCols + 1) * sizeof(SkPoint));
@@ -154,7 +154,7 @@ void SkPatchGrid::draw(SkCanvas* canvas, SkPaint& paint) {
int* maxRows = new int[fRows];
memset(maxCols, 0, fCols * sizeof(int));
memset(maxRows, 0, fRows * sizeof(int));
-
+
// Get the maximum level of detail per axis for each row and column
for (int y = 0; y < fRows; y++) {
for (int x = 0; x < fCols; x++) {