Added CocoaDebugger to experimental


git-svn-id: http://skia.googlecode.com/svn/trunk@1622 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/CocoaDebugger/SkDumpCanvasM.cpp b/experimental/CocoaDebugger/SkDumpCanvasM.cpp
new file mode 100644
index 0000000..dae5fdb
--- /dev/null
+++ b/experimental/CocoaDebugger/SkDumpCanvasM.cpp
@@ -0,0 +1,386 @@
+#include "SkDumpCanvasM.h"
+#include "SkPicture.h"
+#include "SkPixelRef.h"
+#include "SkString.h"
+#include <stdarg.h>
+
+// needed just to know that these are all subclassed from SkFlattenable
+#include "SkShader.h"
+#include "SkPathEffect.h"
+#include "SkXfermode.h"
+#include "SkColorFilter.h"
+#include "SkPathEffect.h"
+#include "SkMaskFilter.h"
+#include "SkEvent.h"
+static void toString(const SkRect& r, SkString* str) {
+    str->printf("[%g,%g %g:%g]",
+                SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
+                SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
+}
+
+static void toString(const SkIRect& r, SkString* str) {
+    str->printf("[%d,%d %d:%d]", r.fLeft, r.fTop, r.width(), r.height());
+}
+
+static void dumpVerbs(const SkPath& path, SkString* str) {
+    SkPath::Iter iter(path, false);
+    SkPoint pts[4];
+    for (;;) {
+        switch (iter.next(pts)) {
+            case SkPath::kMove_Verb:
+                str->appendf(" M%g,%g", pts[0].fX, pts[0].fY);
+                break;
+            case SkPath::kLine_Verb:
+                str->appendf(" L%g,%g", pts[0].fX, pts[0].fY);
+                break;
+            case SkPath::kQuad_Verb:
+                str->appendf(" Q%g,%g,%g,%g", pts[1].fX, pts[1].fY,
+                             pts[2].fX, pts[2].fY);
+                break;
+            case SkPath::kCubic_Verb:
+                str->appendf(" C%g,%g,%g,%g,%g,%g", pts[1].fX, pts[1].fY,
+                             pts[2].fX, pts[2].fY, pts[3].fX, pts[3].fY);
+                break;
+            case SkPath::kClose_Verb:
+                str->appendf("X");
+                break;
+            case SkPath::kDone_Verb:
+                return;
+        }
+    }
+}
+
+static void toString(const SkPath& path, SkString* str) {
+    if (path.isEmpty()) {
+        str->set("path:empty");
+    } else {
+        toString(path.getBounds(), str);
+#if 1
+        SkString s;
+        dumpVerbs(path, &s);
+        str->append(s.c_str());
+#endif
+        str->append("]");
+        str->prepend("path:[");
+    }
+}
+
+static const char* toString(SkRegion::Op op) {
+    static const char* gOpNames[] = {
+        "DIFF", "SECT", "UNION", "XOR", "RDIFF", "REPLACE"
+    };
+    return gOpNames[op];
+}
+
+static void toString(const SkRegion& rgn, SkString* str) {
+    toString(rgn.getBounds(), str);
+    str->prepend("Region:[");
+    str->append("]");
+    if (rgn.isComplex()) {
+        str->append(".complex");
+    }
+}
+
+static const char* toString(SkCanvas::VertexMode vm) {
+    static const char* gVMNames[] = {
+        "TRIANGLES", "STRIP", "FAN"
+    };
+    return gVMNames[vm];
+}
+
+static const char* toString(SkCanvas::PointMode pm) {
+    static const char* gPMNames[] = {
+        "POINTS", "LINES", "POLYGON"
+    };
+    return gPMNames[pm];
+}
+
+static const char* toString(SkBitmap::Config config) {
+    static const char* gConfigNames[] = {
+        "NONE", "A1", "A8", "INDEX8", "565", "4444", "8888", "RLE"
+    };
+    return gConfigNames[config];
+}
+
+static void toString(const SkBitmap& bm, SkString* str) {
+    str->printf("bitmap:[%d %d] %s", bm.width(), bm.height(),
+                toString(bm.config()));
+
+    SkPixelRef* pr = bm.pixelRef();
+    if (NULL == pr) {
+        // show null or the explicit pixel address (rare)
+        str->appendf(" pixels:%p", bm.getPixels());
+    } else {
+        const char* uri = pr->getURI();
+        if (uri) {
+            str->appendf(" uri:\"%s\"", uri);
+        } else {
+            str->appendf(" pixelref:%p", pr);
+        }
+    }
+}
+
+static void toString(const void* text, size_t len, SkPaint::TextEncoding enc,
+                     SkString* str) {
+    switch (enc) {
+        case SkPaint::kUTF8_TextEncoding:
+            str->printf("\"%.*s\"%s", SkMax32(len, 32), text,
+                        len > 32 ? "..." : "");
+            break;
+        case SkPaint::kUTF16_TextEncoding:
+            str->printf("\"%.*S\"%s", SkMax32(len, 32), text,
+                        len > 64 ? "..." : "");
+            break;
+        case SkPaint::kGlyphID_TextEncoding:
+            str->set("<glyphs>");
+            break;
+    }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+SkDumpCanvasM::SkDumpCanvasM(Dumper* dumper) : fNestLevel(0) {
+    SkSafeRef(dumper);
+    fDumper = dumper;
+
+    static const int WIDE_OPEN = 16384;
+    SkBitmap emptyBitmap;
+
+    emptyBitmap.setConfig(SkBitmap::kNo_Config, WIDE_OPEN, WIDE_OPEN);
+    this->setBitmapDevice(emptyBitmap);
+}
+
+SkDumpCanvasM::~SkDumpCanvasM() {
+    SkSafeUnref(fDumper);
+}
+
+void SkDumpCanvasM::dump(Verb verb, const SkPaint* paint,
+                        const char format[], ...) {
+    static const size_t BUFFER_SIZE = 1024;
+
+    char    buffer[BUFFER_SIZE];
+    va_list args;
+    va_start(args, format);
+    vsnprintf(buffer, BUFFER_SIZE, format, args);
+    va_end(args);
+
+    if (fDumper) {
+        fDumper->dump(this, verb, buffer, paint);
+    }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+int SkDumpCanvasM::save(SaveFlags flags) {
+    this->dump(kSave_Verb, NULL, "save(0x%X)", flags);
+    return this->INHERITED::save(flags);
+}
+
+int SkDumpCanvasM::saveLayer(const SkRect* bounds, const SkPaint* paint,
+                             SaveFlags flags) {
+    this->dump(kSave_Verb, paint, "saveLayer(0x%X)", flags);
+    return this->INHERITED::saveLayer(bounds, paint, flags);
+}
+
+void SkDumpCanvasM::restore() {
+    this->INHERITED::restore();
+    this->dump(kRestore_Verb, NULL, "restore");
+}
+
+bool SkDumpCanvasM::translate(SkScalar dx, SkScalar dy) {
+    this->dump(kMatrix_Verb, NULL, "translate(%g %g)",
+               SkScalarToFloat(dx), SkScalarToFloat(dy));
+    return this->INHERITED::translate(dx, dy);
+}
+
+bool SkDumpCanvasM::scale(SkScalar sx, SkScalar sy) {
+    this->dump(kMatrix_Verb, NULL, "scale(%g %g)",
+               SkScalarToFloat(sx), SkScalarToFloat(sy));
+    return this->INHERITED::scale(sx, sy);
+}
+
+bool SkDumpCanvasM::rotate(SkScalar degrees) {
+    this->dump(kMatrix_Verb, NULL, "rotate(%g)", SkScalarToFloat(degrees));
+    return this->INHERITED::rotate(degrees);
+}
+
+bool SkDumpCanvasM::skew(SkScalar sx, SkScalar sy) {
+    this->dump(kMatrix_Verb, NULL, "skew(%g %g)",
+               SkScalarToFloat(sx), SkScalarToFloat(sy));
+    return this->INHERITED::skew(sx, sy);
+}
+
+bool SkDumpCanvasM::concat(const SkMatrix& matrix) {
+    SkString str;
+    matrix.toDumpString(&str);
+    this->dump(kMatrix_Verb, NULL, "concat(%s)", str.c_str());
+    return this->INHERITED::concat(matrix);
+}
+
+void SkDumpCanvasM::setMatrix(const SkMatrix& matrix) {
+    SkString str;
+    matrix.toDumpString(&str);
+    this->dump(kMatrix_Verb, NULL, "setMatrix(%s)", str.c_str());
+    this->INHERITED::setMatrix(matrix);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool SkDumpCanvasM::clipRect(const SkRect& rect, SkRegion::Op op) {
+    SkString str;
+    toString(rect, &str);
+    this->dump(kClip_Verb, NULL, "clipRect(%s %s)", str.c_str(), toString(op));
+    return this->INHERITED::clipRect(rect, op);
+}
+
+bool SkDumpCanvasM::clipPath(const SkPath& path, SkRegion::Op op) {
+    SkString str;
+    toString(path, &str);
+    this->dump(kClip_Verb, NULL, "clipPath(%s %s)", str.c_str(), toString(op));
+    return this->INHERITED::clipPath(path, op);
+}
+
+bool SkDumpCanvasM::clipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
+    SkString str;
+    toString(deviceRgn, &str);
+    this->dump(kClip_Verb, NULL, "clipRegion(%s %s)", str.c_str(),
+               toString(op));
+    return this->INHERITED::clipRegion(deviceRgn, op);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+void SkDumpCanvasM::drawPaint(const SkPaint& paint) {
+    this->dump(kDrawPaint_Verb, &paint, "drawPaint()");
+}
+
+void SkDumpCanvasM::drawPoints(PointMode mode, size_t count,
+                               const SkPoint pts[], const SkPaint& paint) {
+    this->dump(kDrawPoints_Verb, &paint, "drawPoints(%s, %d)", toString(mode),
+               count);
+}
+
+void SkDumpCanvasM::drawRect(const SkRect& rect, const SkPaint& paint) {
+    SkString str;
+    toString(rect, &str);
+    this->dump(kDrawRect_Verb, &paint, "drawRect(%s)", str.c_str());
+}
+
+void SkDumpCanvasM::drawPath(const SkPath& path, const SkPaint& paint) {
+    SkString str;
+    toString(path, &str);
+    this->dump(kDrawPath_Verb, &paint, "drawPath(%s)", str.c_str());
+}
+
+void SkDumpCanvasM::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
+                               const SkPaint* paint) {
+    SkString str;
+    toString(bitmap, &str);
+    this->dump(kDrawBitmap_Verb, paint, "drawBitmap(%s %g %g)", str.c_str(),
+               SkScalarToFloat(x), SkScalarToFloat(y));
+}
+
+void SkDumpCanvasM::drawBitmapRect(const SkBitmap& bitmap, const SkIRect* src,
+                                   const SkRect& dst, const SkPaint* paint) {
+    SkString bs, rs;
+    toString(bitmap, &bs);
+    toString(dst, &rs);
+    // show the src-rect only if its not everything
+    if (src && (src->fLeft > 0 || src->fTop > 0 ||
+                src->fRight < bitmap.width() ||
+                src->fBottom < bitmap.height())) {
+        SkString ss;
+        toString(*src, &ss);
+        rs.prependf("%s ", ss.c_str());
+    }
+
+    this->dump(kDrawBitmap_Verb, paint, "drawBitmapRect(%s %s)",
+               bs.c_str(), rs.c_str());
+}
+
+void SkDumpCanvasM::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m,
+                                     const SkPaint* paint) {
+    SkString bs, ms;
+    toString(bitmap, &bs);
+    m.toDumpString(&ms);
+    this->dump(kDrawBitmap_Verb, paint, "drawBitmapMatrix(%s %s)",
+               bs.c_str(), ms.c_str());
+}
+
+void SkDumpCanvasM::drawSprite(const SkBitmap& bitmap, int x, int y,
+                               const SkPaint* paint) {
+    SkString str;
+    toString(bitmap, &str);
+    this->dump(kDrawBitmap_Verb, paint, "drawSprite(%s %d %d)", str.c_str(),
+               x, y);
+}
+
+void SkDumpCanvasM::drawText(const void* text, size_t byteLength, SkScalar x,
+                             SkScalar y, const SkPaint& paint) {
+    SkString str;
+    toString(text, byteLength, paint.getTextEncoding(), &str);
+    this->dump(kDrawText_Verb, &paint, "drawText(%s [%d] %g %g)", str.c_str(),
+               byteLength, SkScalarToFloat(x), SkScalarToFloat(y));
+}
+
+void SkDumpCanvasM::drawPosText(const void* text, size_t byteLength,
+                                const SkPoint pos[], const SkPaint& paint) {
+    SkString str;
+    toString(text, byteLength, paint.getTextEncoding(), &str);
+    this->dump(kDrawText_Verb, &paint, "drawPosText(%s [%d] %g %g ...)",
+               str.c_str(), byteLength, SkScalarToFloat(pos[0].fX),
+               SkScalarToFloat(pos[0].fY));
+}
+
+void SkDumpCanvasM::drawPosTextH(const void* text, size_t byteLength,
+                                 const SkScalar xpos[], SkScalar constY,
+                                 const SkPaint& paint) {
+    SkString str;
+    toString(text, byteLength, paint.getTextEncoding(), &str);
+    this->dump(kDrawText_Verb, &paint, "drawPosTextH(%s [%d] %g %g ...)",
+               str.c_str(), byteLength, SkScalarToFloat(xpos[0]),
+               SkScalarToFloat(constY));
+}
+
+void SkDumpCanvasM::drawTextOnPath(const void* text, size_t byteLength,
+                                   const SkPath& path, const SkMatrix* matrix,
+                                   const SkPaint& paint) {
+    SkString str;
+    toString(text, byteLength, paint.getTextEncoding(), &str);
+    this->dump(kDrawText_Verb, &paint, "drawTextOnPath(%s [%d])",
+               str.c_str(), byteLength);
+}
+
+void SkDumpCanvasM::drawShape(SkShape* shape) {
+    this->dump(kDrawShape_Verb, NULL, "drawShape(%p)", shape);
+    fNestLevel += 1;
+    this->INHERITED::drawShape(shape);
+    fNestLevel -= 1;
+    this->dump(kDrawShape_Verb, NULL, "endShape(%p)", shape);
+}
+
+void SkDumpCanvasM::drawPicture(SkPicture& picture) {
+    this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p) %d:%d", &picture,
+               picture.width(), picture.height());
+    fNestLevel += 1;
+    this->INHERITED::drawPicture(picture);
+    fNestLevel -= 1;
+    this->dump(kDrawPicture_Verb, NULL, "endPicture(%p) %d:%d", &picture,
+               picture.width(), picture.height());
+}
+
+void SkDumpCanvasM::drawVertices(VertexMode vmode, int vertexCount,
+                                 const SkPoint vertices[], const SkPoint texs[],
+                                 const SkColor colors[], SkXfermode* xmode,
+                                 const uint16_t indices[], int indexCount,
+                                 const SkPaint& paint) {
+    this->dump(kDrawVertices_Verb, &paint, "drawVertices(%s [%d] %g %g ...)",
+               toString(vmode), vertexCount, SkScalarToFloat(vertices[0].fX),
+               SkScalarToFloat(vertices[0].fY));
+}
+
+void SkDumpCanvasM::drawData(const void* data, size_t length) {
+//    this->dump(kDrawData_Verb, NULL, "drawData(%d)", length);
+    this->dump(kDrawData_Verb, NULL, "drawData(%d) %.*s", length,
+               SkMin32(length, 64), data);
+}
\ No newline at end of file