clt debugger
Review URL: https://codereview.appspot.com/6267043

git-svn-id: http://skia.googlecode.com/svn/trunk@4404 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/SkDebugCanvas.cpp b/debugger/SkDebugCanvas.cpp
new file mode 100644
index 0000000..40eb21f
--- /dev/null
+++ b/debugger/SkDebugCanvas.cpp
@@ -0,0 +1,289 @@
+
+/*
+ * 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 <iostream>
+#include "SkDebugCanvas.h"
+#include "SkDrawCommand.h"
+
+SkDebugCanvas::SkDebugCanvas() {
+    // TODO(chudy): Free up memory from all draw commands in destructor.
+    int width = 100;
+    int height = 100;
+    fBm.setConfig(SkBitmap::kNo_Config, width, height);
+    this->setBitmapDevice(fBm);
+    fFilter = false;
+}
+
+SkDebugCanvas::~SkDebugCanvas() {}
+
+void SkDebugCanvas::addDrawCommand(SkDrawCommand* command) {
+    commandVector.push_back(command);
+}
+
+void SkDebugCanvas::draw(SkCanvas* canvas) {
+    if(!commandVector.empty()) {
+        for(it = commandVector.begin(); it != commandVector.end(); ++it) {
+            (*it)->execute(canvas);
+        }
+    }
+}
+
+void SkDebugCanvas::drawTo(SkCanvas* canvas, int index) {
+    int counter = 0;
+    if(!commandVector.empty()) {
+        for(it = commandVector.begin(); it != commandVector.end(); ++it) {
+             if (counter != (index-1)) {
+                 if ((*it)->getVisibility()) {
+                     (*it)->execute(canvas);
+                 }
+             } else {
+                 if (fFilter) {
+                     SkPaint* p = new SkPaint();
+                     p->setColor(0xAAFFFFFF);
+                     canvas->save();
+                     canvas->resetMatrix();
+                     SkRect dump;
+                     // TODO(chudy): Replace with a call to QtWidget to get dimensions.
+                     dump.set(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(800), SkIntToScalar(800));
+                     canvas->clipRect(dump,  SkRegion::kReplace_Op, false );
+                     canvas->drawRectCoords(SkIntToScalar(0),SkIntToScalar(0),SkIntToScalar(800),SkIntToScalar(800), *p);
+                     canvas->restore();
+                 }
+
+                 if ((*it)->getVisibility()) {
+                     (*it)->execute(canvas);
+                 }
+             }
+
+            /* TODO(chudy): Implement a bitmap wide function that will take
+             *  ~50 out of each R,G,B. This will make everything but the last
+             *  command brighter.
+             */
+            if (++counter == index) return;
+        }
+    }
+}
+
+SkDrawCommand* SkDebugCanvas::getDrawCommandAt(int index) {
+    int counter = 0;
+    if(!commandVector.empty()) {
+        for(it = commandVector.begin(); it != commandVector.end(); ++it) {
+            if (counter==index) {
+                return (*it);
+            }
+            ++counter;
+        }
+    }
+    return NULL;
+}
+
+std::vector<std::string>* SkDebugCanvas::getCommandInfoAt(int index) {
+    std::string info;
+
+    int counter = 0;
+    if(!commandVector.empty()) {
+        for(it = commandVector.begin(); it != commandVector.end(); ++it) {
+            if (counter==index) {
+                return (*it)->Info();
+            }
+            ++counter;
+        }
+    }
+
+    return NULL;
+}
+
+std::vector<SkDrawCommand*> SkDebugCanvas::getDrawCommands() {
+    return commandVector;
+}
+
+// TODO(chudy): Free command string memory.
+std::vector<std::string>* SkDebugCanvas::getDrawCommandsAsStrings() {
+    std::vector<std::string>* commandString = new std::vector<std::string>();
+    if (!commandVector.empty()) {
+        for(it = commandVector.begin(); it != commandVector.end(); ++it) {
+            commandString->push_back((*it)->toString());
+        }
+    }
+    return commandString;
+}
+
+void SkDebugCanvas::toggleFilter(bool toggle) {
+    fFilter = toggle;
+}
+
+void SkDebugCanvas::clear(SkColor color) {
+    addDrawCommand(new Clear(color));
+}
+
+bool SkDebugCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) {
+    addDrawCommand(new ClipPath(path, op, doAA));
+    return true;
+}
+
+bool SkDebugCanvas::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) {
+    addDrawCommand(new ClipRect(rect, op, doAA));
+    return true;
+}
+
+bool SkDebugCanvas::clipRegion(const SkRegion& region, SkRegion::Op op) {
+    addDrawCommand(new ClipRegion(region, op));
+    return true;
+}
+
+bool SkDebugCanvas::concat(const SkMatrix& matrix) {
+    addDrawCommand(new Concat(matrix));
+    return true;
+}
+
+void SkDebugCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar left,
+        SkScalar top, const SkPaint* paint = NULL) {
+    addDrawCommand(new DrawBitmap(bitmap, left, top, paint));
+}
+
+void SkDebugCanvas::drawBitmapRect(const SkBitmap& bitmap,
+        const SkIRect* src, const SkRect& dst, const SkPaint* paint) {
+    addDrawCommand(new DrawBitmapRect(bitmap, src, dst, paint));
+}
+
+void SkDebugCanvas::drawBitmapMatrix(const SkBitmap& bitmap,
+        const SkMatrix& matrix, const SkPaint* paint) {
+    addDrawCommand(new DrawBitmapMatrix(bitmap, matrix, paint));
+}
+
+void SkDebugCanvas::drawBitmapNine(const SkBitmap& bitmap,
+        const SkIRect& center, const SkRect& dst, const SkPaint* paint) {
+    addDrawCommand(new DrawBitmapNine(bitmap, center, dst, paint));
+}
+
+void SkDebugCanvas::drawData(const void* data, size_t length) {
+    addDrawCommand(new DrawData(data, length));
+}
+
+void SkDebugCanvas::drawPaint(const SkPaint& paint) {
+    addDrawCommand(new DrawPaint(paint));
+}
+
+void SkDebugCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
+    addDrawCommand(new DrawPath(path, paint));
+}
+
+void SkDebugCanvas::drawPicture(SkPicture& picture) {
+    addDrawCommand(new DrawPicture(picture));
+}
+
+void SkDebugCanvas::drawPoints(PointMode mode, size_t count,
+        const SkPoint pts[], const SkPaint& paint) {
+    addDrawCommand(new DrawPoints(mode, count, pts, paint));
+}
+
+void SkDebugCanvas::drawPosText(const void* text, size_t byteLength,
+        const SkPoint pos[], const SkPaint& paint) {
+    addDrawCommand(new DrawPosText(text, byteLength, pos, paint));
+}
+
+void SkDebugCanvas::drawPosTextH(const void* text, size_t byteLength,
+        const SkScalar xpos[], SkScalar constY, const SkPaint& paint) {
+    addDrawCommand(new DrawPosTextH(text, byteLength, xpos, constY, paint));
+}
+
+void SkDebugCanvas::drawRect(const SkRect& rect, const SkPaint& paint) {
+    // NOTE(chudy): Messing up when renamed to DrawRect... Why?
+    addDrawCommand(new DrawRectC(rect, paint));
+}
+
+void SkDebugCanvas::drawSprite(const SkBitmap& bitmap, int left, int top,
+        const SkPaint* paint = NULL) {
+    addDrawCommand(new DrawSprite(bitmap, left, top, paint));
+}
+
+void SkDebugCanvas::drawText(const void* text, size_t byteLength, SkScalar x,
+        SkScalar y, const SkPaint& paint) {
+    addDrawCommand(new DrawTextC(text, byteLength, x, y, paint));
+}
+
+void SkDebugCanvas::drawTextOnPath(const void* text, size_t byteLength,
+        const SkPath& path, const SkMatrix* matrix, const SkPaint& paint) {
+    addDrawCommand(new DrawTextOnPath(text, byteLength, path, matrix, paint));
+}
+
+void SkDebugCanvas::drawVertices(VertexMode vmode, int vertexCount,
+        const SkPoint vertices[], const SkPoint texs[], const SkColor colors[],
+        SkXfermode*, const uint16_t indices[], int indexCount,
+        const SkPaint& paint) {
+    addDrawCommand(new DrawVertices(vmode, vertexCount, vertices, texs, colors,
+            NULL, indices, indexCount, paint));
+}
+
+void SkDebugCanvas::restore() {
+    addDrawCommand(new Restore());
+}
+
+bool SkDebugCanvas::rotate(SkScalar degrees) {
+    addDrawCommand(new Rotate(degrees));
+    return true;
+}
+
+int SkDebugCanvas::save(SaveFlags flags) {
+    addDrawCommand(new Save(flags));
+    return true;
+}
+
+int SkDebugCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint,
+        SaveFlags flags) {
+    addDrawCommand(new SaveLayer(bounds, paint, flags));
+    return true;
+}
+
+bool SkDebugCanvas::scale(SkScalar sx, SkScalar sy) {
+    addDrawCommand(new Scale(sx, sy));
+    return true;
+}
+
+void SkDebugCanvas::setMatrix(const SkMatrix& matrix) {
+    addDrawCommand(new SetMatrix(matrix));
+}
+
+bool SkDebugCanvas::skew(SkScalar sx, SkScalar sy) {
+    addDrawCommand(new Skew(sx, sy));
+    return true;
+}
+
+bool SkDebugCanvas::translate(SkScalar dx, SkScalar dy) {
+    addDrawCommand(new Translate(dx, dy));
+    return true;
+}
+
+void SkDebugCanvas::toggleCommand(int index) {
+    int counter = 0;
+    if(!commandVector.empty()) {
+        for(it = commandVector.begin(); it != commandVector.end(); ++it) {
+            if (counter == index) {
+                if ((*it)->getVisibility()) {
+                    (*it)->setVisibility(false);
+                } else {
+                    (*it)->setVisibility(true);
+                }
+            }
+            counter++;
+        }
+    }
+}
+
+void SkDebugCanvas::toggleCommand(int index, bool toggle) {
+    int counter = 0;
+    if(!commandVector.empty()) {
+        for(it = commandVector.begin(); it != commandVector.end(); ++it) {
+            if (counter == index) {
+                (*it)->setVisibility(toggle);
+            }
+            counter++;
+        }
+    }
+}