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try to make it draw correctly in fixed point

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git-svn-id: http://skia.googlecode.com/svn/trunk@2860 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2011-12-12 22:01:06 +00:00
parent f864ec467d
commit eb0fa29fc4
1 changed files with 18 additions and 17 deletions
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35
gm/arithmode.cpp
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@ -27,7 +27,7 @@ static SkBitmap make_src() {
SkBitmap bm = make_bm();
SkCanvas canvas(bm);
SkPaint paint;
SkPoint pts[] = { 0, 0, WW, HH };
SkPoint pts[] = { 0, 0, SkIntToScalar(WW), SkIntToScalar(HH) };
SkColor colors[] = {
SK_ColorBLACK, SK_ColorGREEN, SK_ColorCYAN,
SK_ColorRED, SK_ColorMAGENTA, SK_ColorWHITE
@ -43,7 +43,7 @@ static SkBitmap make_dst() {
SkBitmap bm = make_bm();
SkCanvas canvas(bm);
SkPaint paint;
SkPoint pts[] = { 0, HH, WW, 0 };
SkPoint pts[] = { 0, SkIntToScalar(HH), SkIntToScalar(WW), 0 };
SkColor colors[] = {
SK_ColorBLUE, SK_ColorYELLOW, SK_ColorBLACK, SK_ColorGREEN, SK_ColorGRAY
};
@ -68,14 +68,14 @@ static SkBitmap make_arith(const SkBitmap& src, const SkBitmap& dst,
static void show_k_text(SkCanvas* canvas, SkScalar x, SkScalar y, const SkScalar k[]) {
SkPaint paint;
paint.setTextSize(24);
paint.setTextSize(SkIntToScalar(24));
paint.setAntiAlias(true);
for (int i = 0; i < 4; ++i) {
SkString str;
str.appendScalar(k[i]);
SkScalar width = paint.measureText(str.c_str(), str.size());
canvas->drawText(str.c_str(), str.size(), x, y + 24, paint);
x += width + 10;
canvas->drawText(str.c_str(), str.size(), x, y + paint.getTextSize(), paint);
x += width + SkIntToScalar(10);
}
}
@ -95,25 +95,26 @@ protected:
SkBitmap src = make_src();
SkBitmap dst = make_dst();
const SkScalar one = SK_Scalar1;
static const SkScalar K[] = {
0, 0, 0, 0,
0, 0, 0, 1,
0, 1, 0, 0,
0, 0, 1, 0,
0, 1, 1, 0,
0, 1, -1, 0,
0, 0.5f, 0.5f, 0,
0, 0.5f, 0.5f, 0.25f,
0, 0.5f, 0.5f, -0.25f,
0.25f, 0.5f, 0.5f, 0,
-0.25f, 0.5f, 0.5f, 0,
0, 0, 0, one,
0, one, 0, 0,
0, 0, one, 0,
0, one, one, 0,
0, one, -one, 0,
0, one/2, one/2, 0,
0, one/2, one/2, one/4,
0, one/2, one/2, -one/4,
one/4, one/2, one/2, 0,
-one/4, one/2, one/2, 0,
};
const SkScalar* k = K;
const SkScalar* stop = k + SK_ARRAY_COUNT(K);
SkScalar y = 0;
SkScalar x = 0;
SkScalar gap = src.width() + 20;
SkScalar gap = src.width() + SkIntToScalar(20);
while (k < stop) {
SkScalar x = 0;
SkBitmap res = make_arith(src, dst, k);
@ -125,7 +126,7 @@ protected:
x += gap;
show_k_text(canvas, x, y, k);
k += 4;
y += src.height() + 12;
y += src.height() + SkIntToScalar(12);
}
}