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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkTextBox.h" | 8 #include "SkTextBox.h" |
9 #include "SkUtils.h" | 9 #include "SkUtils.h" |
10 | 10 |
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160 void SkTextBox::setSpacing(SkScalar mul, SkScalar add) | 160 void SkTextBox::setSpacing(SkScalar mul, SkScalar add) |
161 { | 161 { |
162 fSpacingMul = mul; | 162 fSpacingMul = mul; |
163 fSpacingAdd = add; | 163 fSpacingAdd = add; |
164 } | 164 } |
165 | 165 |
166 ////////////////////////////////////////////////////////////////////////////////
///////////// | 166 ////////////////////////////////////////////////////////////////////////////////
///////////// |
167 | 167 |
168 void SkTextBox::draw(SkCanvas* canvas, const char text[], size_t len, const SkPa
int& paint) | 168 void SkTextBox::draw(SkCanvas* canvas, const char text[], size_t len, const SkPa
int& paint) |
169 { | 169 { |
170 SkASSERT(canvas && &paint && (text || len == 0)); | 170 SkASSERT(canvas && (text || len == 0)); |
171 | 171 |
172 SkScalar marginWidth = fBox.width(); | 172 SkScalar marginWidth = fBox.width(); |
173 | 173 |
174 if (marginWidth <= 0 || len == 0) | 174 if (marginWidth <= 0 || len == 0) |
175 return; | 175 return; |
176 | 176 |
177 const char* textStop = text + len; | 177 const char* textStop = text + len; |
178 | 178 |
179 SkScalar x, y, scaledSpacing, height, fontHeight; | 179 SkScalar x, y, scaledSpacing, height, fontHeight; |
180 SkPaint::FontMetrics metrics; | 180 SkPaint::FontMetrics metrics; |
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250 } | 250 } |
251 | 251 |
252 int SkTextBox::countLines() const { | 252 int SkTextBox::countLines() const { |
253 return SkTextLineBreaker::CountLines(fText, fLen, *fPaint, fBox.width()); | 253 return SkTextLineBreaker::CountLines(fText, fLen, *fPaint, fBox.width()); |
254 } | 254 } |
255 | 255 |
256 SkScalar SkTextBox::getTextHeight() const { | 256 SkScalar SkTextBox::getTextHeight() const { |
257 SkScalar spacing = SkScalarMul(fPaint->getTextSize(), fSpacingMul) + fSpacin
gAdd; | 257 SkScalar spacing = SkScalarMul(fPaint->getTextSize(), fSpacingMul) + fSpacin
gAdd; |
258 return this->countLines() * spacing; | 258 return this->countLines() * spacing; |
259 } | 259 } |
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