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sw_engine: code refactoring.

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renamed internal variables for better readibility.

Change-Id: I1ba7938401e8b7249c8bcc396be1ba3c109716cd
This commit is contained in:
Hermet Park 2020-05-02 17:44:49 +09:00
parent 0be7e0cf53
commit 60d104a40a
3 changed files with 21 additions and 21 deletions
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6
src/lib/sw_engine/tvgSwCommon.h
View file

@ -21,8 +21,8 @@
using namespace tvg;
constexpr auto SW_CURVE_TAG_ON = 1;
constexpr auto SW_CURVE_TAG_CUBIC = 2;
constexpr auto SW_CURVE_TYPE_POINT = 0;
constexpr auto SW_CURVE_TYPE_CUBIC = 1;
constexpr auto SW_OUTLINE_FILL_WINDING = 0;
constexpr auto SW_OUTLINE_FILL_EVEN_ODD = 1;
@ -62,7 +62,7 @@ struct SwOutline
SwPoint* pts; //the outline's points
size_t ptsCnt; //number of points in the glyph
size_t reservedPtsCnt;
char* tags; //the points flags
uint8_t* types; //curve type
uint8_t fillMode; //outline fill mode
};

14
src/lib/sw_engine/tvgSwRle.cpp
View file

@ -606,27 +606,27 @@ static bool _decomposeOutline(RleWorker& rw)
assert(limit);
auto pt = outline->pts + first;
auto tags = outline->tags + first;
auto types = outline->types + first;
/* A contour cannot start with a cubic control point! */
if (tags[0] == SW_CURVE_TAG_CUBIC) goto invalid_outline;
if (types[0] == SW_CURVE_TYPE_CUBIC) goto invalid_outline;
_moveTo(rw, UPSCALE(outline->pts[first]));
while (pt < limit) {
assert(++pt);
assert(++tags);
assert(++types);
//emit a single line_to
if (tags[0] == SW_CURVE_TAG_ON) {
if (types[0] == SW_CURVE_TYPE_POINT) {
_lineTo(rw, UPSCALE(*pt));
//tag cubic
//types cubic
} else {
if (pt + 1 > limit || tags[1] != SW_CURVE_TAG_CUBIC)
if (pt + 1 > limit || types[1] != SW_CURVE_TYPE_CUBIC)
goto invalid_outline;
pt += 2;
tags += 2;
types += 2;
if (pt <= limit) {
_cubicTo(rw, UPSCALE(pt[-2]), UPSCALE(pt[-1]), UPSCALE(pt[0]));

22
src/lib/sw_engine/tvgSwShape.cpp
View file

@ -52,8 +52,8 @@ static void _growOutlinePoint(SwOutline& outline, size_t n)
if (n == 0) {
free(outline.pts);
outline.pts = nullptr;
free(outline.tags);
outline.tags = nullptr;
free(outline.types);
outline.types = nullptr;
outline.reservedPtsCnt = 0;
outline.ptsCnt = 0;
return;
@ -65,8 +65,8 @@ static void _growOutlinePoint(SwOutline& outline, size_t n)
outline.reservedPtsCnt = n;
outline.pts = static_cast<SwPoint*>(realloc(outline.pts, n * sizeof(SwPoint)));
assert(outline.pts);
outline.tags = static_cast<char*>(realloc(outline.tags, n * sizeof(char)));
assert(outline.tags);
outline.types = static_cast<uint8_t*>(realloc(outline.types, n * sizeof(uint8_t)));
assert(outline.types);
}
@ -87,7 +87,7 @@ static void _outlineMoveTo(SwOutline& outline, const Point* to)
_growOutlinePoint(outline, 1);
outline.pts[outline.ptsCnt] = TO_SWPOINT(to);
outline.tags[outline.ptsCnt] = SW_CURVE_TAG_ON;
outline.types[outline.ptsCnt] = SW_CURVE_TYPE_POINT;
if (outline.ptsCnt > 0) {
_growOutlineContour(outline, 1);
@ -106,7 +106,7 @@ static void _outlineLineTo(SwOutline& outline, const Point* to)
_growOutlinePoint(outline, 1);
outline.pts[outline.ptsCnt] = TO_SWPOINT(to);
outline.tags[outline.ptsCnt] = SW_CURVE_TAG_ON;
outline.types[outline.ptsCnt] = SW_CURVE_TYPE_POINT;
++outline.ptsCnt;
}
@ -119,15 +119,15 @@ static void _outlineCubicTo(SwOutline& outline, const Point* ctrl1, const Point*
_growOutlinePoint(outline, 3);
outline.pts[outline.ptsCnt] = TO_SWPOINT(ctrl1);
outline.tags[outline.ptsCnt] = SW_CURVE_TAG_CUBIC;
outline.types[outline.ptsCnt] = SW_CURVE_TYPE_CUBIC;
++outline.ptsCnt;
outline.pts[outline.ptsCnt] = TO_SWPOINT(ctrl2);
outline.tags[outline.ptsCnt] = SW_CURVE_TAG_CUBIC;
outline.types[outline.ptsCnt] = SW_CURVE_TYPE_CUBIC;
++outline.ptsCnt;
outline.pts[outline.ptsCnt] = TO_SWPOINT(to);
outline.tags[outline.ptsCnt] = SW_CURVE_TAG_ON;
outline.types[outline.ptsCnt] = SW_CURVE_TYPE_POINT;
++outline.ptsCnt;
}
@ -149,7 +149,7 @@ static bool _outlineClose(SwOutline& outline)
_growOutlinePoint(outline, 1);
outline.pts[outline.ptsCnt] = outline.pts[i];
outline.tags[outline.ptsCnt] = SW_CURVE_TAG_ON;
outline.types[outline.ptsCnt] = SW_CURVE_TYPE_POINT;
++outline.ptsCnt;
return true;
@ -218,7 +218,7 @@ void _deleteOutline(SwShape& sdata)
SwOutline* outline = sdata.outline;
if (outline->cntrs) free(outline->cntrs);
if (outline->pts) free(outline->pts);
if (outline->tags) free(outline->tags);
if (outline->types) free(outline->types);
free(outline);
sdata.outline = nullptr;