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simplify confusing examples

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Docs-Preview: https://skia.org/?cl=135785
Bug: skia:6898
Change-Id: Idf5e44817a86accaa628ea5d7abb47cd2b06d048
Reviewed-on: https://skia-review.googlesource.com/135785
Commit-Queue: Cary Clark <caryclark@skia.org>
Auto-Submit: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
This commit is contained in:
Cary Clark 2018-06-19 12:57:43 -04:00 committed by Skia Commit-Bot
parent 796bc1db0e
commit 4d75975b70
5 changed files with 9 additions and 9 deletions
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2
docs/SkColor_Reference.bmh
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@ -677,7 +677,7 @@ hsv[2] contains HSV_Value, a value from zero to one.
for (int x = 0; x < 256; ++x) {
SkScalar hsv[3];
SkColorToHSV(source.getColor(x, y), hsv);
std::swap(hsv[1], hsv[2]);
hsv[1] = 1 - hsv[1];
SkPaint paint;
paint.setColor(SkHSVToColor(hsv));
canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint);

4
docs/SkPixmap_Reference.bmh
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@ -1387,8 +1387,8 @@ One word corresponds to one pixel.
for (int y = 0; y < pixmap.height() / 2; ++y) {
for (int x = 0; x < pixmap.width(); ++x) {
if ((x & 4) == (y & 4)) {
std::swap(*pixmap.writable_addr32(x, y),
*pixmap.writable_addr32(pixmap.width() - x, pixmap.height() - y));
*pixmap.writable_addr32(x, y) =
*pixmap.writable_addr32(pixmap.width() - x, pixmap.height() - y);
}
}
}

2
site/user/api/SkColor_Reference.md
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@ -832,7 +832,7 @@ Converts ARGB to its <a href='#HSV'>HSV</a> components. <a href='#Alpha'>Alpha</
### Example
<div><fiddle-embed name="f0912ac97910b2fe5963d3b360795139"></fiddle-embed></div>
<div><fiddle-embed name="1e0370f12c8aab5b84f9e824074f1e5a"></fiddle-embed></div>
### See Also

2
site/user/api/SkPixmap_Reference.md
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@ -1691,7 +1691,7 @@ writable unsigned 32-bit pointer to pixel
### Example
<div><fiddle-embed name="ba9a9d2d78a51adb554d75780a3bcd4d"></fiddle-embed></div>
<div><fiddle-embed name="086866243bf9e4c14c3b215a2aa69ad9"></fiddle-embed></div>
### See Also

8
site/user/api/catalog.htm
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@ -4977,10 +4977,10 @@
"name": "SkColorSetRGB"
},
"SkColorToHSV": {
"code": "void draw(SkCanvas* canvas) {\n canvas->drawBitmap(source, 0, 0);\n for (int y = 0; y < 256; ++y) {\n for (int x = 0; x < 256; ++x) {\n SkScalar hsv[3];\n SkColorToHSV(source.getColor(x, y), hsv);\n std::swap(hsv[1], hsv[2]);\n SkPaint paint;\n paint.setColor(SkHSVToColor(hsv));\n canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint);\n }\n }\n}",
"code": "void draw(SkCanvas* canvas) {\n canvas->drawBitmap(source, 0, 0);\n for (int y = 0; y < 256; ++y) {\n for (int x = 0; x < 256; ++x) {\n SkScalar hsv[3];\n SkColorToHSV(source.getColor(x, y), hsv);\n hsv[1] = 1 - hsv[1];\n SkPaint paint;\n paint.setColor(SkHSVToColor(hsv));\n canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint);\n }\n }\n}",
"width": 256,
"height": 256,
"hash": "f0912ac97910b2fe5963d3b360795139",
"hash": "1e0370f12c8aab5b84f9e824074f1e5a",
"file": "SkColor_Reference",
"name": "SkColorToHSV"
},
@ -6905,10 +6905,10 @@
"name": "SkPixmap::writable_addr16"
},
"SkPixmap_writable_addr32": {
"code": "void draw(SkCanvas* canvas) {\n std::vector<int32_t> pixels;\n pixels.resize(image->height() * image->width() * 4);\n SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType,\n image->alphaType()), (const void*) &pixels.front(), image->width() * 4);\n image->readPixels(pixmap, 0, 0);\n for (int y = 0; y < pixmap.height() / 2; ++y) {\n for (int x = 0; x < pixmap.width(); ++x) {\n if ((x & 4) == (y & 4)) {\n std::swap(*pixmap.writable_addr32(x, y),\n *pixmap.writable_addr32(pixmap.width() - x, pixmap.height() - y));\n }\n }\n }\n SkBitmap bitmap;\n bitmap.installPixels(pixmap);\n canvas->drawBitmap(bitmap, 0, 0);\n}",
"code": "void draw(SkCanvas* canvas) {\n std::vector<int32_t> pixels;\n pixels.resize(image->height() * image->width() * 4);\n SkPixmap pixmap(SkImageInfo::Make(image->width(), image->height(), kN32_SkColorType,\n image->alphaType()), (const void*) &pixels.front(), image->width() * 4);\n image->readPixels(pixmap, 0, 0);\n for (int y = 0; y < pixmap.height() / 2; ++y) {\n for (int x = 0; x < pixmap.width(); ++x) {\n if ((x & 4) == (y & 4)) {\n *pixmap.writable_addr32(x, y) =\n *pixmap.writable_addr32(pixmap.width() - x, pixmap.height() - y);\n }\n }\n }\n SkBitmap bitmap;\n bitmap.installPixels(pixmap);\n canvas->drawBitmap(bitmap, 0, 0);\n}",
"width": 256,
"height": 72,
"hash": "ba9a9d2d78a51adb554d75780a3bcd4d",
"hash": "086866243bf9e4c14c3b215a2aa69ad9",
"file": "SkPixmap_Reference",
"name": "SkPixmap::writable_addr32"
},