MyGUI: MyGUI_SubSkin.cpp Source File

MyGUI 3.4.3

MyGUI_SubSkin.cpp
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1/*
2 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
3 * Distributed under the MIT License
4 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
5 */
6
7#include "MyGUI_Precompiled.h"
8#include "MyGUI_SubSkin.h"
9#include "MyGUI_RenderItem.h"
10#include "MyGUI_SkinManager.h"
11#include "MyGUI_LanguageManager.h"
12#include "MyGUI_LayerNode.h"
13#include "MyGUI_CommonStateInfo.h"
14#include "MyGUI_RenderManager.h"
15#include "MyGUI_TextureUtility.h"
16
17namespace MyGUI
18{
19
20 SubSkin::SubSkin()
21 {
22 mVertexFormat = RenderManager::getInstance().getVertexFormat();
23 }
24
25 void SubSkin::setVisible(bool _visible)
26 {
27 if (mVisible == _visible)
28 return;
29 mVisible = _visible;
30
31 if (nullptr != mNode)
32 mNode->outOfDate(mRenderItem);
33 }
34
35 void SubSkin::setAlpha(float _alpha)
36 {
37 uint32 alpha = ((uint8)(_alpha * 255) << 24);
38 mCurrentColour = (mCurrentColour & 0x00FFFFFF) | (alpha & 0xFF000000);
39
40 if (nullptr != mNode)
41 mNode->outOfDate(mRenderItem);
42 }
43
44 void SubSkin::_correctView()
45 {
46 if (nullptr != mNode)
47 mNode->outOfDate(mRenderItem);
48 }
49
50 void SubSkin::_setAlign(const IntSize& _oldsize)
51 {
52 // первоначальное выравнивание
53 if (mAlign.isHStretch())
54 {
55 // растягиваем
56 mCoord.width = mCoord.width + (mCroppedParent->getWidth() - _oldsize.width);
57 mIsMargin = true; // при изменении размеров все пересчитывать
58 }
59 else if (mAlign.isRight())
60 {
61 // двигаем по правому краю
62 mCoord.left = mCoord.left + (mCroppedParent->getWidth() - _oldsize.width);
63 }
64 else if (mAlign.isHCenter())
65 {
66 // выравнивание по горизонтали без растяжения
67 mCoord.left = (mCroppedParent->getWidth() - mCoord.width) / 2;
68 }
69
70 if (mAlign.isVStretch())
71 {
72 // растягиваем
73 mCoord.height = mCoord.height + (mCroppedParent->getHeight() - _oldsize.height);
74 mIsMargin = true; // при изменении размеров все пересчитывать
75 }
76 else if (mAlign.isBottom())
77 {
78 // двигаем по нижнему краю
79 mCoord.top = mCoord.top + (mCroppedParent->getHeight() - _oldsize.height);
80 }
81 else if (mAlign.isVCenter())
82 {
83 // выравнивание по вертикали без растяжения
84 mCoord.top = (mCroppedParent->getHeight() - mCoord.height) / 2;
85 }
86
87 mCurrentCoord = mCoord;
88 _updateView();
89 }
90
91 void SubSkin::_updateView()
92 {
93 //mAbsolutePosition = mCroppedParent->getAbsolutePosition() + mCoord.point();
94 bool margin = _checkMargin();
95
96 mEmptyView = ((0 >= _getViewWidth()) || (0 >= _getViewHeight()));
97
98 mCurrentCoord.left = mCoord.left + mMargin.left;
99 mCurrentCoord.top = mCoord.top + mMargin.top;
100
101 // вьюпорт стал битым
102 if (margin)
103 {
104 // проверка на полный выход за границу
105 if (_checkOutside())
106 {
107 // запоминаем текущее состояние
108 mIsMargin = margin;
109
110 // обновить перед выходом
111 if (nullptr != mNode)
112 mNode->outOfDate(mRenderItem);
113 return;
114 }
115 }
116
117 // мы обрезаны или были обрезаны
118 if (mIsMargin || margin)
119 {
120 mCurrentCoord.width = _getViewWidth();
121 mCurrentCoord.height = _getViewHeight();
122
123 if ((mCurrentCoord.width > 0) && (mCurrentCoord.height > 0))
124 {
125 // теперь смещаем текстуру
126 float UV_lft = mMargin.left / (float)mCoord.width;
127 float UV_top = mMargin.top / (float)mCoord.height;
128 float UV_rgt = (mCoord.width - mMargin.right) / (float)mCoord.width;
129 float UV_btm = (mCoord.height - mMargin.bottom) / (float)mCoord.height;
130
131 float UV_sizeX = mRectTexture.right - mRectTexture.left;
132 float UV_sizeY = mRectTexture.bottom - mRectTexture.top;
133
134 float UV_lft_total = mRectTexture.left + UV_lft * UV_sizeX;
135 float UV_top_total = mRectTexture.top + UV_top * UV_sizeY;
136 float UV_rgt_total = mRectTexture.right - (1 - UV_rgt) * UV_sizeX;
137 float UV_btm_total = mRectTexture.bottom - (1 - UV_btm) * UV_sizeY;
138
139 mCurrentTexture.set(UV_lft_total, UV_top_total, UV_rgt_total, UV_btm_total);
140 }
141 }
142
143 if (mIsMargin && !margin)
144 {
145 // мы не обрезаны, но были, ставим базовые координаты
146 mCurrentTexture = mRectTexture;
147 }
148
149 // запоминаем текущее состояние
150 mIsMargin = margin;
151
152 if (nullptr != mNode)
153 mNode->outOfDate(mRenderItem);
154 }
155
156 void SubSkin::createDrawItem(ITexture* _texture, ILayerNode* _node)
157 {
158 MYGUI_ASSERT(!mRenderItem, "mRenderItem must be nullptr");
159
160 mNode = _node;
161 mRenderItem = mNode->addToRenderItem(_texture, true, mSeparate);
162 mRenderItem->addDrawItem(this, VertexQuad::VertexCount);
163 }
164
165 void SubSkin::destroyDrawItem()
166 {
167 MYGUI_ASSERT(mRenderItem, "mRenderItem must be not nullptr");
168
169 mNode = nullptr;
170 mRenderItem->removeDrawItem(this);
171 mRenderItem = nullptr;
172 }
173
174 void SubSkin::_setUVSet(const FloatRect& _rect)
175 {
176 if (mRectTexture == _rect)
177 return;
178 mRectTexture = _rect;
179
180 // если обрезаны, то просчитываем с учето обрезки
181 if (mIsMargin)
182 {
183 float UV_lft = mMargin.left / (float)mCoord.width;
184 float UV_top = mMargin.top / (float)mCoord.height;
185 float UV_rgt = (mCoord.width - mMargin.right) / (float)mCoord.width;
186 float UV_btm = (mCoord.height - mMargin.bottom) / (float)mCoord.height;
187
188 float UV_sizeX = mRectTexture.right - mRectTexture.left;
189 float UV_sizeY = mRectTexture.bottom - mRectTexture.top;
190
191 float UV_lft_total = mRectTexture.left + UV_lft * UV_sizeX;
192 float UV_top_total = mRectTexture.top + UV_top * UV_sizeY;
193 float UV_rgt_total = mRectTexture.right - (1 - UV_rgt) * UV_sizeX;
194 float UV_btm_total = mRectTexture.bottom - (1 - UV_btm) * UV_sizeY;
195
196 mCurrentTexture.set(UV_lft_total, UV_top_total, UV_rgt_total, UV_btm_total);
197 }
198 // мы не обрезаны, базовые координаты
199 else
200 {
201 mCurrentTexture = mRectTexture;
202 }
203
204 if (nullptr != mNode)
205 mNode->outOfDate(mRenderItem);
206 }
207
208 void SubSkin::doRender()
209 {
210 if (!mVisible || mEmptyView)
211 return;
212
213 VertexQuad* quad = reinterpret_cast<VertexQuad*>(mRenderItem->getCurrentVertexBuffer());
214
215 const RenderTargetInfo& info = mRenderItem->getRenderTarget()->getInfo();
216
217 float vertex_z = mNode->getNodeDepth();
218
219 float vertex_left =
220 ((info.pixScaleX * (float)(mCurrentCoord.left + mCroppedParent->getAbsoluteLeft() - info.leftOffset) +
221 info.hOffset) *
222 2) -
223 1;
224 float vertex_right = vertex_left + (info.pixScaleX * (float)mCurrentCoord.width * 2);
225 float vertex_top =
226 -(((info.pixScaleY * (float)(mCurrentCoord.top + mCroppedParent->getAbsoluteTop() - info.topOffset) +
227 info.vOffset) *
228 2) -
229 1);
230 float vertex_bottom = vertex_top - (info.pixScaleY * (float)mCurrentCoord.height * 2);
231
232 quad->set(
233 vertex_left,
234 vertex_top,
235 vertex_right,
236 vertex_bottom,
237 vertex_z,
238 mCurrentTexture.left,
239 mCurrentTexture.top,
240 mCurrentTexture.right,
241 mCurrentTexture.bottom,
242 mCurrentColour);
243
244 mRenderItem->setLastVertexCount(VertexQuad::VertexCount);
245 }
246
247 void SubSkin::_setColour(const Colour& _value)
248 {
249 uint32 colour = texture_utility::toNativeColour(_value, mVertexFormat);
250 mCurrentColour = (colour & 0x00FFFFFF) | (mCurrentColour & 0xFF000000);
251
252 if (nullptr != mNode)
253 mNode->outOfDate(mRenderItem);
254 }
255
256 void SubSkin::setStateData(IStateInfo* _data)
257 {
258 _setUVSet(_data->castType<SubSkinStateInfo>()->getRect());
259 }
260
261} // namespace MyGUI
MyGUI_CommonStateInfo.h
MYGUI_ASSERT
#define MYGUI_ASSERT(exp, dest)
Definition MyGUI_Diagnostic.h:31
MyGUI_LanguageManager.h
MyGUI_LayerNode.h
MyGUI_Precompiled.h
MyGUI_RenderItem.h
MyGUI_RenderManager.h
MyGUI_SkinManager.h
MyGUI_SubSkin.h
MyGUI_TextureUtility.h
MyGUI::ICroppedRectangle::mIsMargin
bool mIsMargin
Definition MyGUI_ICroppedRectangle.h:248
MyGUI::ICroppedRectangle::mCoord
IntCoord mCoord
Definition MyGUI_ICroppedRectangle.h:245
MyGUI::ICroppedRectangle::mMargin
IntRect mMargin
Definition MyGUI_ICroppedRectangle.h:244
MyGUI::ICroppedRectangle::_checkMargin
bool _checkMargin()
Definition MyGUI_ICroppedRectangle.h:184
MyGUI::ICroppedRectangle::_checkOutside
bool _checkOutside() const
Definition MyGUI_ICroppedRectangle.h:234
MyGUI::ICroppedRectangle::mCroppedParent
ICroppedRectangle * mCroppedParent
Definition MyGUI_ICroppedRectangle.h:249
MyGUI::ICroppedRectangle::_getViewWidth
int _getViewWidth() const
Definition MyGUI_ICroppedRectangle.h:148
MyGUI::ICroppedRectangle::_getViewHeight
int _getViewHeight() const
Definition MyGUI_ICroppedRectangle.h:152
MyGUI::ILayerNode
Definition MyGUI_ILayerNode.h:29
MyGUI::IObject::castType
Type * castType(bool _throw=true)
Definition MyGUI_IObject.h:18
MyGUI::IStateInfo
Definition MyGUI_IStateInfo.h:17
MyGUI::ISubWidget::mAlign
Align mAlign
Definition MyGUI_ISubWidget.h:67
MyGUI::ISubWidget::mVisible
bool mVisible
Definition MyGUI_ISubWidget.h:68
MyGUI::ITexture
Definition MyGUI_ITexture.h:28
MyGUI::RenderManager::getVertexFormat
virtual VertexColourType getVertexFormat() const =0
MyGUI::RenderManager::getInstance
static RenderManager & getInstance()
MyGUI::SubSkin::destroyDrawItem
void destroyDrawItem() override
Definition MyGUI_SubSkin.cpp:165
MyGUI::SubSkin::mSeparate
bool mSeparate
Definition MyGUI_SubSkin.h:64
MyGUI::SubSkin::setVisible
void setVisible(bool _visible) override
Definition MyGUI_SubSkin.cpp:25
MyGUI::SubSkin::mCurrentTexture
FloatRect mCurrentTexture
Definition MyGUI_SubSkin.h:58
MyGUI::SubSkin::mEmptyView
bool mEmptyView
Definition MyGUI_SubSkin.h:53
MyGUI::SubSkin::mCurrentCoord
IntCoord mCurrentCoord
Definition MyGUI_SubSkin.h:59
MyGUI::SubSkin::mNode
ILayerNode * mNode
Definition MyGUI_SubSkin.h:61
MyGUI::SubSkin::setStateData
void setStateData(IStateInfo *_data) override
Definition MyGUI_SubSkin.cpp:256
MyGUI::SubSkin::_updateView
void _updateView() override
Definition MyGUI_SubSkin.cpp:91
MyGUI::SubSkin::mVertexFormat
VertexColourType mVertexFormat
Definition MyGUI_SubSkin.h:55
MyGUI::SubSkin::doRender
void doRender() override
Definition MyGUI_SubSkin.cpp:208
MyGUI::SubSkin::_setUVSet
void _setUVSet(const FloatRect &_rect) override
Definition MyGUI_SubSkin.cpp:174
MyGUI::SubSkin::SubSkin
SubSkin()
Definition MyGUI_SubSkin.cpp:20
MyGUI::SubSkin::_setColour
void _setColour(const Colour &_value) override
Definition MyGUI_SubSkin.cpp:247
MyGUI::SubSkin::_correctView
void _correctView() override
Definition MyGUI_SubSkin.cpp:44
MyGUI::SubSkin::mRenderItem
RenderItem * mRenderItem
Definition MyGUI_SubSkin.h:62
MyGUI::SubSkin::mRectTexture
FloatRect mRectTexture
Definition MyGUI_SubSkin.h:52
MyGUI::SubSkin::setAlpha
void setAlpha(float _alpha) override
Definition MyGUI_SubSkin.cpp:35
MyGUI::SubSkin::mCurrentColour
uint32 mCurrentColour
Definition MyGUI_SubSkin.h:56
MyGUI::SubSkin::createDrawItem
void createDrawItem(ITexture *_texture, ILayerNode *_node) override
Definition MyGUI_SubSkin.cpp:156
MyGUI::SubSkin::_setAlign
void _setAlign(const IntSize &_oldsize) override
Definition MyGUI_SubSkin.cpp:50
MyGUI::SubSkinStateInfo
Definition MyGUI_CommonStateInfo.h:20
MyGUI::SubSkinStateInfo::getRect
const FloatRect & getRect() const
Definition MyGUI_CommonStateInfo.h:24
MyGUI::texture_utility::toNativeColour
uint32 toNativeColour(const Colour &_colour, VertexColourType _format)
Convert Colour to 32-bit representation.
Definition MyGUI_TextureUtility.cpp:63
MyGUI
Definition MyGUI_ActionController.h:15
MyGUI::uint32
uint32_t uint32
Definition MyGUI_Types.h:48
MyGUI::uint8
uint8_t uint8
Definition MyGUI_Types.h:46
MyGUI::FloatRect
types::TRect< float > FloatRect
Definition MyGUI_Types.h:34
MyGUI::IntSize
types::TSize< int > IntSize
Definition MyGUI_Types.h:30
MyGUI::Colour
Definition MyGUI_Colour.h:17
MyGUI::RenderTargetInfo
Definition MyGUI_RenderTargetInfo.h:16
MyGUI::RenderTargetInfo::vOffset
float vOffset
Definition MyGUI_RenderTargetInfo.h:29
MyGUI::RenderTargetInfo::topOffset
int topOffset
Definition MyGUI_RenderTargetInfo.h:33
MyGUI::RenderTargetInfo::hOffset
float hOffset
Definition MyGUI_RenderTargetInfo.h:28
MyGUI::RenderTargetInfo::pixScaleX
float pixScaleX
Definition MyGUI_RenderTargetInfo.h:26
MyGUI::RenderTargetInfo::leftOffset
int leftOffset
Definition MyGUI_RenderTargetInfo.h:32
MyGUI::RenderTargetInfo::pixScaleY
float pixScaleY
Definition MyGUI_RenderTargetInfo.h:27
MyGUI::VertexQuad
Definition MyGUI_VertexData.h:34
MyGUI::VertexQuad::VertexCount
@ VertexCount
Definition MyGUI_VertexData.h:43
MyGUI::VertexQuad::set
void set(float _l, float _t, float _r, float _b, float _z, float _u1, float _v1, float _u2, float _v2, uint32 _colour)
Definition MyGUI_VertexData.h:46
MyGUI::types::TSize::width
T width
Definition MyGUI_TSize.h:19
MyGUI::types::TSize::height
T height
Definition MyGUI_TSize.h:20