Remove openglui embedder code

runtime/embedders/openglui/common/canvas_state.h

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#ifndef EMBEDDERS_OPENGLUI_COMMON_CANVAS_STATE_H_
-#define EMBEDDERS_OPENGLUI_COMMON_CANVAS_STATE_H_
-
-#include "embedders/openglui/common/graphics_handler.h"
-#include "embedders/openglui/common/log.h"
-#include "embedders/openglui/common/opengl.h"
-#include "embedders/openglui/common/support.h"
-
-typedef struct CanvasState {
-  SkPaint paint_;
-  float globalAlpha_;
-  float miterLimit_;
-  ColorRGBA fillColor_;
-  ColorRGBA strokeColor_;
-  ColorRGBA shadowColor_;
-  float shadowBlur_;
-  float shadowOffsetX_;
-  float shadowOffsetY_;
-  float* lineDash_;
-  int lineDashCount_;
-  int lineDashOffset_;
-  SkShader* fillShader_;
-  SkShader* strokeShader_;
-
-  SkPath* path_;
-  SkCanvas* canvas_;
-  CanvasState* next_;  // For stack.
-
-  CanvasState(SkCanvas* canvas)
-    : paint_(),
-      globalAlpha_(1.0),
-      miterLimit_(10),
-      fillColor_(ColorRGBA(255, 0, 0, 255)),
-      strokeColor_(fillColor_),
-      shadowColor_(ColorRGBA(0, 0, 0, 0)),
-      shadowBlur_(0.0),
-      shadowOffsetX_(0.0),
-      shadowOffsetY_(0.0),
-      lineDash_(NULL),
-      lineDashCount_(0),
-      lineDashOffset_(0),
-      fillShader_(NULL),
-      strokeShader_(NULL),
-      path_(new SkPath()),
-      canvas_(canvas),
-      next_(NULL) {
-    paint_.setStrokeCap(SkPaint::kButt_Cap);
-    paint_.setStrokeJoin(SkPaint::kMiter_Join);
-    paint_.setStrokeWidth(1);
-    paint_.setTextAlign(SkPaint::kLeft_Align);
-    paint_.setAntiAlias(true);
-    paint_.setStyle(SkPaint::kStroke_Style);
-    setFont("Helvetica", 10);
-  }
-
-  CanvasState(const CanvasState& state)
-    : paint_(state.paint_),
-      globalAlpha_(state.globalAlpha_),
-      miterLimit_(state.miterLimit_),
-      fillColor_(state.fillColor_),
-      strokeColor_(state.strokeColor_),
-      shadowColor_(state.shadowColor_),
-      shadowBlur_(state.shadowBlur_),
-      shadowOffsetX_(state.shadowOffsetX_),
-      shadowOffsetY_(state.shadowOffsetY_),
-      lineDash_(NULL),
-      lineDashCount_(state.lineDashCount_),
-      lineDashOffset_(state.lineDashOffset_),
-      fillShader_(state.fillShader_),
-      strokeShader_(state.strokeShader_),
-      path_(new SkPath()),
-      canvas_(state.canvas_),
-      next_(NULL) {
-    setLineDash(state.lineDash_, lineDashCount_);
-    if (fillShader_ != NULL) fillShader_->ref();
-    if (strokeShader_ != NULL) strokeShader_->ref();
-  }
-
-  ~CanvasState() {
-    if (fillShader_ != NULL) fillShader_->unref();
-    if (strokeShader_ != NULL) strokeShader_->unref();
-    delete path_;
-    delete[] lineDash_;
-  }
-
-  static ColorRGBA GetColor(const char* color);
-
-  inline CanvasState* Save() {
-    canvas_->save();  // For clip and transform.
-    CanvasState *new_state = new CanvasState(*this);
-    new_state->next_ = this;
-    // If the old state has a non-empty path, use its
-    // last point as the new states first point.
-    int np = path_->countPoints();
-    if (np > 0) {
-      new_state->path_->moveTo(path_->getPoint(np-1));
-    }
-    return new_state;
-  }
-
-  CanvasState* Restore();
-
-  inline float Radians2Degrees(float angle) {
-    return 180.0 * angle / M_PI;
-  }
-
-  inline void setGlobalAlpha(float alpha) {
-    globalAlpha_ = alpha;
-  }
-
-  inline void setFillColor(const char* color) {
-    if (fillShader_ != NULL) {
-      fillShader_->unref();
-      fillShader_ = NULL;
-    }
-    fillColor_ = GetColor(color);
-  }
-
-  inline void setStrokeColor(const char* color) {
-    if (strokeShader_ != NULL) {
-      strokeShader_->unref();
-      strokeShader_ = NULL;
-    }
-    strokeColor_ = GetColor(color);
-  }
-
-  const char* setFont(const char*name, float size = -1);
-  void setLineCap(const char* lc);
-  void setLineJoin(const char* lj);
-
-  inline void setMiterLimit(float limit) {
-    miterLimit_ = limit;
-  }
-
-  const char* setTextAlign(const char* align);
-  const char* setTextBaseline(const char* baseline);
-  const char* setTextDirection(const char* direction);
-
-  inline void FillText(const char* text, float x, float y, float maxWidth) {
-    setFillMode();
-    canvas_->drawText(text, strlen(text), x, y, paint_);
-  }
-
-  inline void StrokeText(const char* text, float x, float y, float maxWidth) {
-    setStrokeMode();
-    canvas_->drawText(text, strlen(text), x, y, paint_);
-  }
-
-  inline float MeasureText(const char *text) {
-    // TODO(gram): make sure this is not supposed to be affected
-    // by the canvas transform.
-    return paint_.measureText(text, strlen(text));
-  }
-
-  inline void setLineWidth(float w) {
-    paint_.setStrokeWidth(w);
-  }
-
-  void setMode(SkPaint::Style style, ColorRGBA color, SkShader* shader);
-
-  inline void setLineDashEffect() {
-    if (lineDashCount_ > 0) {
-      SkDashPathEffect* dashPathEffect =
-        new SkDashPathEffect(lineDash_, lineDashCount_, lineDashOffset_);
-        paint_.setPathEffect(dashPathEffect)->unref();
-    } else {
-      paint_.setPathEffect(NULL);
-    }
-  }
-
-  inline void setLineDash(float* dashes, int len) {
-    if (len == 0) {
-      lineDashCount_ = 0;
-      delete[] lineDash_;
-      lineDash_ = NULL;
-    } else {
-      lineDash_ = new float[lineDashCount_ = len];
-      for (int i = 0; i < len; i++) {
-        lineDash_[i] = dashes[i];
-      }
-    }
-    setLineDashEffect();
-  }
-
-  inline void setLineDashOffset(int offset) {
-    if (offset != lineDashOffset_) {
-      lineDashOffset_ = offset;
-      setLineDashEffect();
-    }
-  }
-
-  inline void setShadowColor(const char* color) {
-    shadowColor_ = GetColor(color);
-  }
-
-  inline void setShadowBlur(float blur) {
-    shadowBlur_ = blur;
-  }
-
-  inline void setShadowOffsetX(float ox) {
-    shadowOffsetX_ = ox;
-  }
-
-  inline void setShadowOffsetY(float oy) {
-    shadowOffsetY_ = oy;
-  }
-
-  inline void setFillMode() {
-    setMode(SkPaint::kFill_Style, fillColor_, fillShader_);
-  }
-
-  inline void setStrokeMode() {
-    setMode(SkPaint::kStroke_Style, strokeColor_, strokeShader_);
-  }
-
-  inline void FillRect(float left, float top,
-                       float width, float height) {
-    // Does not affect the path.
-    setFillMode();
-    canvas_->drawRectCoords(left, top, left + width, top + height, paint_);
-  }
-
-  inline void StrokeRect(float left, float top,
-                         float width, float height) {
-    // Does not affect the path.
-    setStrokeMode();
-    canvas_->drawRectCoords(left, top, left + width, top + height, paint_);
-  }
-
-  inline void BeginPath() {
-    path_->rewind();
-  }
-
-  inline void Fill() {
-    setFillMode();
-    canvas_->drawPath(*path_, paint_);
-  }
-
-  inline void Stroke() {
-    setStrokeMode();
-    canvas_->drawPath(*path_, paint_);
-  }
-
-  inline void ClosePath() {
-    path_->close();
-  }
-
-  inline void MoveTo(float x, float y) {
-    path_->moveTo(x, y);
-  }
-
-  inline void LineTo(float x, float y) {
-    path_->lineTo(x, y);
-  }
-
-  void Arc(float x, float y, float radius, float startAngle, float endAngle,
-           bool antiClockwise);
-
-  inline void QuadraticCurveTo(float cpx, float cpy, float x, float y) {
-    path_->quadTo(cpx, cpy, x, y);
-  }
-
-  inline void BezierCurveTo(float cp1x, float cp1y, float cp2x, float cp2y,
-                     float x, float y) {
-    path_->cubicTo(cp1x, cp1y, cp2x, cp2y, x, y);
-  }
-
-  inline void ArcTo(float x1, float y1, float x2, float y2, float radius) {
-    path_->arcTo(x1, y1, x2, y2, radius);
-  }
-
-  inline void Rect(float x, float y, float w, float h) {
-    // TODO(gram): Should we draw this directly? If so, what happens with the
-    // path?
-    path_->addRect(x, y, x + w, y + h);
-  }
-
-  void setGlobalCompositeOperation(const char* op);
-
-  void DrawImage(const SkBitmap& bm,
-                 int sx, int sy, int sw, int sh,
-                 int dx, int dy, int dw, int dh);
-
-  inline void Clip() {
-    canvas_->clipPath(*path_);
-  }
-
-  void SetFillGradient(bool is_radial, double x0, double y0, double r0,
-      double x1, double y1, double r1,
-      int stops, float* positions, char** colors);
-
-  void SetStrokeGradient(bool is_radial, double x0, double y0, double r0,
-      double x1, double y1, double r1,
-      int stops, float* positions, char** colors);
-
- private:
-  SkShader* CreateRadialGradient(
-      double x0, double y0, double r0,
-      double x1, double y1, double r1,
-      int stops, float* positions, char** colors);
-
-  SkShader* CreateLinearGradient(
-      double x0, double y0, double x1, double y1,
-      int stops, float* positions, char** colors);
-} CanvasState;
-
-#endif  // EMBEDDERS_OPENGLUI_COMMON_CANVAS_STATE_H_
-