Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(38)

Side by Side Diff: cc/page_scale_animation.cc

Issue 11275113: Remove most remaining references to IntRect and FloatRect. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix compositor bindings Created 8 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « cc/page_scale_animation.h ('k') | cc/quad_culler.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2012 The Chromium Authors. All rights reserved. 1 // Copyright 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "config.h" 5 #include "config.h"
6 6
7 #include "cc/page_scale_animation.h" 7 #include "cc/page_scale_animation.h"
8 8
9 #include "FloatRect.h" 9 #include "FloatPoint.h"
10 #include "FloatSize.h" 10 #include "FloatSize.h"
11 #include "IntPoint.h"
12 #include "IntSize.h"
13 #include "ui/gfx/rect_f.h"
11 14
12 #include <math.h> 15 #include <math.h>
13 16
14 namespace cc { 17 namespace cc {
15 18
16 scoped_ptr<PageScaleAnimation> PageScaleAnimation::create(const IntSize& scrollS tart, float pageScaleStart, const IntSize& windowSize, const IntSize& contentSiz e, double startTime) 19 scoped_ptr<PageScaleAnimation> PageScaleAnimation::create(const IntSize& scrollS tart, float pageScaleStart, const gfx::Size& windowSize, const gfx::Size& conten tSize, double startTime)
17 { 20 {
18 return make_scoped_ptr(new PageScaleAnimation(scrollStart, pageScaleStart, w indowSize, contentSize, startTime)); 21 return make_scoped_ptr(new PageScaleAnimation(scrollStart, pageScaleStart, w indowSize, contentSize, startTime));
19 } 22 }
20 23
21 PageScaleAnimation::PageScaleAnimation(const IntSize& scrollStart, float pageSca leStart, const IntSize& windowSize, const IntSize& contentSize, double startTime ) 24 PageScaleAnimation::PageScaleAnimation(const IntSize& scrollStart, float pageSca leStart, const gfx::Size& windowSize, const gfx::Size& contentSize, double start Time)
22 : m_scrollStart(scrollStart) 25 : m_scrollStart(scrollStart)
23 , m_pageScaleStart(pageScaleStart) 26 , m_pageScaleStart(pageScaleStart)
24 , m_windowSize(windowSize) 27 , m_windowSize(windowSize)
25 , m_contentSize(contentSize) 28 , m_contentSize(contentSize)
26 , m_anchorMode(false) 29 , m_anchorMode(false)
27 , m_scrollEnd(scrollStart) 30 , m_scrollEnd(scrollStart)
28 , m_pageScaleEnd(pageScaleStart) 31 , m_pageScaleEnd(pageScaleStart)
29 , m_startTime(startTime) 32 , m_startTime(startTime)
30 , m_duration(0) 33 , m_duration(0)
31 { 34 {
32 } 35 }
33 36
37 PageScaleAnimation::~PageScaleAnimation()
38 {
39 }
40
34 void PageScaleAnimation::zoomTo(const IntSize& finalScroll, float finalPageScale , double duration) 41 void PageScaleAnimation::zoomTo(const IntSize& finalScroll, float finalPageScale , double duration)
35 { 42 {
36 if (m_pageScaleStart != finalPageScale) { 43 if (m_pageScaleStart != finalPageScale) {
37 // For uniform-looking zooming, infer the anchor (point that remains in 44 // For uniform-looking zooming, infer the anchor (point that remains in
38 // place throughout the zoom) from the start and end rects. 45 // place throughout the zoom) from the start and end rects.
39 FloatRect startRect(IntPoint(m_scrollStart), m_windowSize); 46 gfx::RectF startRect(cc::FloatPoint(cc::IntPoint(m_scrollStart)), m_wind owSize);
40 FloatRect endRect(IntPoint(finalScroll), m_windowSize); 47 gfx::RectF endRect(cc::FloatPoint(cc::IntPoint(finalScroll)), m_windowSi ze);
41 endRect.scale(m_pageScaleStart / finalPageScale); 48 endRect.Scale(m_pageScaleStart / finalPageScale);
42 49
43 // The anchor is the point which is at the same ratio of the sides of 50 // The anchor is the point which is at the same ratio of the sides of
44 // both startRect and endRect. For example, a zoom-in double-tap to a 51 // both startRect and endRect. For example, a zoom-in double-tap to a
45 // perfectly centered rect will have anchor ratios (0.5, 0.5), while one 52 // perfectly centered rect will have anchor ratios (0.5, 0.5), while one
46 // to a rect touching the bottom-right of the screen will have anchor 53 // to a rect touching the bottom-right of the screen will have anchor
47 // ratios (1.0, 1.0). In other words, it obeys the equations: 54 // ratios (1.0, 1.0). In other words, it obeys the equations:
48 // anchorX = start_width * ratioX + start_x 55 // anchorX = start_width * ratioX + start_x
49 // anchorX = end_width * ratioX + end_x 56 // anchorX = end_width * ratioX + end_x
50 // anchorY = start_height * ratioY + start_y 57 // anchorY = start_height * ratioY + start_y
51 // anchorY = end_height * ratioY + end_y 58 // anchorY = end_height * ratioY + end_y
(...skipping 14 matching lines...) Expand all
66 } 73 }
67 } 74 }
68 75
69 void PageScaleAnimation::zoomWithAnchor(const IntSize& anchor, float finalPageSc ale, double duration) 76 void PageScaleAnimation::zoomWithAnchor(const IntSize& anchor, float finalPageSc ale, double duration)
70 { 77 {
71 m_scrollEnd = m_scrollStart + anchor; 78 m_scrollEnd = m_scrollStart + anchor;
72 m_scrollEnd.scale(finalPageScale / m_pageScaleStart); 79 m_scrollEnd.scale(finalPageScale / m_pageScaleStart);
73 m_scrollEnd -= anchor; 80 m_scrollEnd -= anchor;
74 81
75 m_scrollEnd.clampNegativeToZero(); 82 m_scrollEnd.clampNegativeToZero();
76 FloatSize scaledContentSize(m_contentSize); 83 gfx::SizeF scaledContentSize = m_contentSize.Scale(finalPageScale / m_pageSc aleStart);
77 scaledContentSize.scale(finalPageScale / m_pageScaleStart); 84 IntSize maxScrollPosition = roundedIntSize(cc::FloatSize(scaledContentSize) - cc::IntSize(m_windowSize));
78 IntSize maxScrollPosition = roundedIntSize(scaledContentSize - m_windowSize) ;
79 m_scrollEnd = m_scrollEnd.shrunkTo(maxScrollPosition); 85 m_scrollEnd = m_scrollEnd.shrunkTo(maxScrollPosition);
80 86
81 m_anchor = anchor; 87 m_anchor = anchor;
82 m_pageScaleEnd = finalPageScale; 88 m_pageScaleEnd = finalPageScale;
83 m_duration = duration; 89 m_duration = duration;
84 m_anchorMode = true; 90 m_anchorMode = true;
85 } 91 }
86 92
87 IntSize PageScaleAnimation::scrollOffsetAtTime(double time) const 93 IntSize PageScaleAnimation::scrollOffsetAtTime(double time) const
88 { 94 {
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after
149 // example, if we zoom from 0.5 to 4.0 in 3 seconds, then we should 155 // example, if we zoom from 0.5 to 4.0 in 3 seconds, then we should
150 // be zooming by 2x every second. 156 // be zooming by 2x every second.
151 float diff = m_pageScaleEnd / m_pageScaleStart; 157 float diff = m_pageScaleEnd / m_pageScaleStart;
152 float logDiff = log(diff); 158 float logDiff = log(diff);
153 logDiff *= ratio; 159 logDiff *= ratio;
154 diff = exp(logDiff); 160 diff = exp(logDiff);
155 return m_pageScaleStart * diff; 161 return m_pageScaleStart * diff;
156 } 162 }
157 163
158 } // namespace cc 164 } // namespace cc
OLDNEW
« no previous file with comments | « cc/page_scale_animation.h ('k') | cc/quad_culler.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698