add test for bug in line drawing. fix is pending a way to handle all of the

rebaselines...



git-svn-id: http://skia.googlecode.com/svn/trunk@6208 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2012-10-30 20:26:58 +00:00
Родитель 175fe75654
Коммит 4117a24de4
3 изменённых файлов: 104 добавлений и 0 удалений

99
gm/fatpathfill.cpp Normal file
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@ -0,0 +1,99 @@
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkCanvas.h"
#include "SkPath.h"
#include "SkSurface.h"
#define ZOOM 32
#define SMALL_W 9
#define SMALL_H 3
#define REPEAT_LOOP 5
static SkSurface* new_surface(int width, int height) {
SkImage::Info info = {
width,
height,
SkImage::kPMColor_ColorType,
SkImage::kPremul_AlphaType
};
return SkSurface::NewRaster(info, NULL);
}
static void draw_pixel_centers(SkCanvas* canvas) {
SkPaint paint;
paint.setColor(0xFF0088FF);
paint.setAntiAlias(true);
for (int y = 0; y < SMALL_H; ++y) {
for (int x = 0; x < SMALL_W; ++x) {
canvas->drawCircle(x + 0.5f, y + 0.5f, 1.5f / ZOOM, paint);
}
}
}
static void draw_fatpath(SkCanvas* canvas, SkSurface* surface,
const SkPath paths[], int count) {
SkPaint paint;
surface->getCanvas()->clear(0);
for (int i = 0; i < count; ++i) {
surface->getCanvas()->drawPath(paths[i], paint);
}
surface->draw(canvas, 0, 0, NULL);
paint.setAntiAlias(true);
paint.setColor(SK_ColorRED);
paint.setStyle(SkPaint::kStroke_Style);
for (int j = 0; j < count; ++j) {
canvas->drawPath(paths[j], paint);
}
draw_pixel_centers(canvas);
}
class FatPathFillGM : public skiagm::GM {
public:
FatPathFillGM() {}
protected:
virtual SkString onShortName() {
return SkString("fatpathfill");
}
virtual SkISize onISize() {
return SkISize::Make(SMALL_W * ZOOM, SMALL_H * ZOOM * REPEAT_LOOP);
}
virtual void onDraw(SkCanvas* canvas) {
SkAutoTUnref<SkSurface> surface(new_surface(SMALL_W, SMALL_H));
canvas->scale(ZOOM, ZOOM);
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SK_Scalar1);
for (int i = 0; i < REPEAT_LOOP; ++i) {
SkPath line, path;
line.moveTo(1, 2); line.lineTo(4 + i, 1);
paint.getFillPath(line, &path);
draw_fatpath(canvas, surface, &path, 1);
canvas->translate(0, SMALL_H);
}
}
private:
typedef skiagm::GM INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_GM(return new FatPathFillGM;)

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@ -16,6 +16,10 @@
#include "SkString.h" #include "SkString.h"
#include "SkTRegistry.h" #include "SkTRegistry.h"
#define DEF_GM(code) \
static skiagm::GM* SK_MACRO_APPEND_LINE(F_)(void* p) { code; } \
static skiagm::GMRegistry SK_MACRO_APPEND_LINE(R_)(SK_MACRO_APPEND_LINE(F_));
namespace skiagm { namespace skiagm {
static inline SkISize make_isize(int w, int h) { static inline SkISize make_isize(int w, int h) {

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@ -29,6 +29,7 @@
'../gm/drawlooper.cpp', '../gm/drawlooper.cpp',
'../gm/extractbitmap.cpp', '../gm/extractbitmap.cpp',
'../gm/emptypath.cpp', '../gm/emptypath.cpp',
'../gm/fatpathfill.cpp',
'../gm/filltypes.cpp', '../gm/filltypes.cpp',
'../gm/filltypespersp.cpp', '../gm/filltypespersp.cpp',
'../gm/fontscaler.cpp', '../gm/fontscaler.cpp',