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authorGravatar reed <reed@chromium.org>2015-04-16 06:16:38 -0700
committerGravatar Commit bot <commit-bot@chromium.org>2015-04-16 06:16:38 -0700
commitaab35d91b8b80acd1902594bbf542083fdfa4bb7 (patch)
treed3b906c571ad905bab79b5bf21dd2545b8e5ee50 /src
parentf7aaadb570d56d34b0e364e65f9374a01665a528 (diff)
remove unused (by clients) SkPathUtils
Diffstat (limited to 'src')
-rw-r--r--src/utils/SkPathUtils.cpp152
1 files changed, 0 insertions, 152 deletions
diff --git a/src/utils/SkPathUtils.cpp b/src/utils/SkPathUtils.cpp
deleted file mode 100644
index fdca09aa63..0000000000
--- a/src/utils/SkPathUtils.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * CAUTION: EXPERIMENTAL CODE
- *
- * This code is not to be used and will not be supported
- * if it fails on you. DO NOT USE!
- *
- */
-
-#include "SkPathUtils.h"
-
-#include "SkPath.h"
-#include "SkPathOps.h" // this can't be found, how do I link it?
-#include "SkRegion.h"
-
-typedef void (*line2path)(SkPath*, const char*, int, int);
-#define SQRT_2 1.41421356237f
-#define ON 0xFF000000 // black pixel
-#define OFF 0x00000000 // transparent pixel
-
-// assumes stride is in bytes
-/*
-static void FillRandomBits( int chars, char* bits ){
- SkTime time;
- SkRandom rand = SkRandom( time.GetMSecs() );
-
- for (int i = 0; i < chars; ++i){
- bits[i] = rand.nextU();
- }
-}OA
-*/
-
-static int GetBit( const char* buffer, int x ) {
- int byte = x >> 3;
- int bit = x & 7;
-
- return buffer[byte] & (128 >> bit);
-}
-
-/*
-static void Line2path_pixel(SkPath* path, const char* line,
- int lineIdx, int width) {
- for (int i = 0; i < width; ++i) {
- // simply makes every ON pixel into a rect path
- if (GetBit(line,i)) {
- path->addRect(SkRect::MakeXYWH(i, lineIdx, 1, 1),
- SkPath::kCW_Direction);
- }
- }
-}
-
-static void Line2path_pixelCircle(SkPath* path, const char* line,
- int lineIdx, int width) {
- for (int i = 0; i < width; ++i) {
- // simply makes every ON pixel into a circle path
- if (GetBit(line,i)) {
- path->addCircle(i + SK_ScalarHalf,
- lineIdx + SK_ScalarHalf,
- SQRT_2 / 2.0f);
- }
- }
-}
-*/
-
-static void Line2path_span(SkPath* path, const char* line,
- int lineIdx, int width) {
- bool inRun = 0;
- int start = 1;
-
- for (int i = 0; i < width; ++i) {
- int curPixel = GetBit(line,i);
-
- if ( (curPixel!=0) != inRun ) { // if transition
- if (curPixel) { // if transition on
- inRun = 1;
- start = i; // mark beginning of span
- }else { // if transition off add the span as a path
- inRun = 0;
- path->addRect(SkRect::MakeXYWH(SkIntToScalar(start), SkIntToScalar(lineIdx),
- SkIntToScalar(i-start), SK_Scalar1),
- SkPath::kCW_Direction);
- }
- }
- }
-
- if (inRun==1) { // close any open spans
- int end = 0;
- if ( GetBit(line,width-1) ) ++end;
- path->addRect(SkRect::MakeXYWH(SkIntToScalar(start), SkIntToScalar(lineIdx),
- SkIntToScalar(width - 1 + end - start), SK_Scalar1),
- SkPath::kCW_Direction);
- } else if ( GetBit(line, width - 1) ) { // if last pixel on add
- path->addRect(SkRect::MakeXYWH(width - SK_Scalar1, SkIntToScalar(lineIdx),
- SK_Scalar1, SK_Scalar1),
- SkPath::kCW_Direction);
- }
-}
-
-void SkPathUtils::BitsToPath_Path(SkPath* path,
- const char* bitmap,
- int w, int h, int stride) {
- // loop for every line in bitmap
- for (int i = 0; i < h; ++i) {
- // fn ptr handles each line separately
- //l2p_fn(path, &bitmap[i*stride], i, w);
- Line2path_span(path, &bitmap[i*stride], i, w);
- }
- Simplify(*path, path); // simplify resulting path.
-}
-
-void SkPathUtils::BitsToPath_Region(SkPath* path,
- const char* bitmap,
- int w, int h, int stride) {
- SkRegion region;
-
- // loop for each line
- for (int y = 0; y < h; ++y){
- bool inRun = 0;
- int start = 1;
- const char* line = &bitmap[y * stride];
-
- // loop for each pixel
- for (int i = 0; i < w; ++i) {
- int curPixel = GetBit(line,i);
-
- if ( (curPixel!=0) != inRun ) { // if transition
- if (curPixel) { // if transition on
- inRun = 1;
- start = i; // mark beginning of span
- }else { // if transition off add the span as a path
- inRun = 0;
- //add here
- region.op(SkIRect::MakeXYWH(start, y, i-start, 1),
- SkRegion::kUnion_Op );
- }
- }
- }
- if (inRun==1) { // close any open spans
- int end = 0;
- if ( GetBit(line,w-1) ) ++end;
- // add the thing here
- region.op(SkIRect::MakeXYWH(start, y, w-1-start+end, 1),
- SkRegion::kUnion_Op );
-
- } else if ( GetBit(line,w-1) ) { // if last pixel on add rect
- // add the thing here
- region.op(SkIRect::MakeXYWH(w-1, y, 1, 1),
- SkRegion::kUnion_Op );
- }
- }
- // convert region to path
- region.getBoundaryPath(path);
-}