grab from latest android
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/utils/SkDumpCanvas.cpp b/src/utils/SkDumpCanvas.cpp
new file mode 100644
index 0000000..fb203ef
--- /dev/null
+++ b/src/utils/SkDumpCanvas.cpp
@@ -0,0 +1,398 @@
+#include "SkDumpCanvas.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"
+
+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 toString(const SkPath& path, SkString* str) {
+ if (path.isEmpty()) {
+ str->set("path:empty");
+ } else {
+ SkRect bounds;
+ path.computeBounds(&bounds, SkPath::kFast_BoundsType);
+ toString(bounds, str);
+ 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;
+ }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+SkDumpCanvas::SkDumpCanvas(Dumper* dumper) {
+ dumper->safeRef();
+ fDumper = dumper;
+
+ static const int WIDE_OPEN = 16384;
+ SkBitmap emptyBitmap;
+
+ emptyBitmap.setConfig(SkBitmap::kNo_Config, WIDE_OPEN, WIDE_OPEN);
+ this->setBitmapDevice(emptyBitmap);
+}
+
+SkDumpCanvas::~SkDumpCanvas() {
+ fDumper->safeUnref();
+}
+
+void SkDumpCanvas::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 SkDumpCanvas::save(SaveFlags flags) {
+ this->dump(kSave_Verb, NULL, "save(0x%X)", flags);
+ return this->INHERITED::save(flags);
+}
+
+int SkDumpCanvas::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 SkDumpCanvas::restore() {
+ this->INHERITED::restore();
+ this->dump(kRestore_Verb, NULL, "restore");
+}
+
+bool SkDumpCanvas::translate(SkScalar dx, SkScalar dy) {
+ this->dump(kMatrix_Verb, NULL, "translate(%g %g)",
+ SkScalarToFloat(dx), SkScalarToFloat(dy));
+ return this->INHERITED::translate(dx, dy);
+}
+
+bool SkDumpCanvas::scale(SkScalar sx, SkScalar sy) {
+ this->dump(kMatrix_Verb, NULL, "scale(%g %g)",
+ SkScalarToFloat(sx), SkScalarToFloat(sy));
+ return this->INHERITED::scale(sx, sy);
+}
+
+bool SkDumpCanvas::rotate(SkScalar degrees) {
+ this->dump(kMatrix_Verb, NULL, "rotate(%g)", SkScalarToFloat(degrees));
+ return this->INHERITED::rotate(degrees);
+}
+
+bool SkDumpCanvas::skew(SkScalar sx, SkScalar sy) {
+ this->dump(kMatrix_Verb, NULL, "skew(%g %g)",
+ SkScalarToFloat(sx), SkScalarToFloat(sy));
+ return this->INHERITED::skew(sx, sy);
+}
+
+bool SkDumpCanvas::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 SkDumpCanvas::setMatrix(const SkMatrix& matrix) {
+ SkString str;
+ matrix.toDumpString(&str);
+ this->dump(kMatrix_Verb, NULL, "setMatrix(%s)", str.c_str());
+ this->INHERITED::setMatrix(matrix);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+bool SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::drawPaint(const SkPaint& paint) {
+ this->dump(kDrawPaint_Verb, &paint, "drawPaint()");
+}
+
+void SkDumpCanvas::drawPoints(PointMode mode, size_t count,
+ const SkPoint pts[], const SkPaint& paint) {
+ this->dump(kDrawPoints_Verb, &paint, "drawPoints(%s, %d)", toString(mode),
+ count);
+}
+
+void SkDumpCanvas::drawRect(const SkRect& rect, const SkPaint& paint) {
+ SkString str;
+ toString(rect, &str);
+ this->dump(kDrawRect_Verb, &paint, "drawRect(%s)", str.c_str());
+}
+
+void SkDumpCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
+ SkString str;
+ toString(path, &str);
+ this->dump(kDrawPath_Verb, &paint, "drawPath(%s)", str.c_str());
+}
+
+void SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::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 SkDumpCanvas::drawPicture(SkPicture& picture) {
+ this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p)", &picture);
+}
+
+void SkDumpCanvas::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));
+}
+
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+
+SkFormatDumper::SkFormatDumper(void (*proc)(const char*, void*), void* refcon) {
+ fProc = proc;
+ fRefcon = refcon;
+}
+
+static void appendPtr(SkString* str, const void* ptr, const char name[]) {
+ if (ptr) {
+ str->appendf(" %s:%p", name, ptr);
+ }
+}
+
+static void appendFlattenable(SkString* str, const SkFlattenable* ptr,
+ const char name[]) {
+ if (ptr) {
+ SkString info;
+ if (ptr->toDumpString(&info)) {
+ str->appendf(" %s", info.c_str());
+ } else {
+ str->appendf(" %s:%p", name, ptr);
+ }
+ }
+}
+
+void SkFormatDumper::dump(SkDumpCanvas* canvas, SkDumpCanvas::Verb verb,
+ const char str[], const SkPaint* p) {
+ SkString msg, tab;
+ const int level = canvas->getSaveCount() - 1;
+ SkASSERT(level >= 0);
+ for (int i = 0; i < level; i++) {
+ tab.append("\t");
+ }
+ msg.printf("%s%s", tab.c_str(), str);
+
+ if (p) {
+ msg.appendf(" color:0x%08X flags:%X", p->getColor(), p->getFlags());
+ appendFlattenable(&msg, p->getShader(), "shader");
+ appendFlattenable(&msg, p->getXfermode(), "xfermode");
+ appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
+ appendFlattenable(&msg, p->getMaskFilter(), "maskFilter");
+ appendFlattenable(&msg, p->getPathEffect(), "pathEffect");
+ appendFlattenable(&msg, p->getColorFilter(), "filter");
+
+ if (SkDumpCanvas::kDrawText_Verb == verb) {
+ msg.appendf(" textSize:%g", SkScalarToFloat(p->getTextSize()));
+ appendPtr(&msg, p->getTypeface(), "typeface");
+ }
+ }
+
+ fProc(msg.c_str(), fRefcon);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+static void dumpToDebugf(const char text[], void*) {
+ SkDebugf("%s\n", text);
+}
+
+SkDebugfDumper::SkDebugfDumper() : INHERITED(dumpToDebugf, NULL) {}
+
+