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[DEV] display font with clipping availlable

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This commit is contained in:
Edouard DUPIN 2012-10-19 15:20:10 +02:00
parent ace466b7bd
commit ba0b1256d6
3 changed files with 131 additions and 84 deletions
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187
Sources/libewol/ewol/font/TexturedFont.cpp
View File

@ -222,12 +222,14 @@ bool ewol::TexturedFont::HasName(etk::UString& fileName)
int32_t ewol::TexturedFont::Draw(Vector2D<float> textPos, int32_t ewol::TexturedFont::Draw(Vector2D<float> textPos,
const etk::UString& unicodeString, const etk::UString& unicodeString,
etk::Vector<Vector2D<float> > & coord, etk::Vector<Vector2D<float> > & coord,
etk::Vector<texCoord_ts> & coordTex) etk::Vector<texCoord_ts> & coordTex,
bool hasClipping,
clipping_ts& clipping)
{ {
float totalSize = 0; float totalSize = 0;
Vector2D<float> tmpPos = textPos; Vector2D<float> tmpPos = textPos;
for(int32_t iii=0; iii<unicodeString.Size(); iii++) { for(int32_t iii=0; iii<unicodeString.Size(); iii++) {
int32_t ret = Draw(tmpPos, unicodeString[iii], coord, coordTex); int32_t ret = Draw(tmpPos, unicodeString[iii], coord, coordTex, hasClipping, clipping);
tmpPos.x += ret; tmpPos.x += ret;
totalSize += ret; totalSize += ret;
} }
@ -308,7 +310,9 @@ int32_t ewol::TexturedFont::Draw(Vector2D<float> textPos,
int32_t ewol::TexturedFont::Draw(Vector2D<float> textPos, int32_t ewol::TexturedFont::Draw(Vector2D<float> textPos,
const uniChar_t unicodeChar, const uniChar_t unicodeChar,
etk::Vector<Vector2D<float> > & coord, etk::Vector<Vector2D<float> > & coord,
etk::Vector<texCoord_ts> & coordTex) etk::Vector<texCoord_ts> & coordTex,
bool hasClipping,
clipping_ts& clipping)
{ {
float posDrawX = textPos.x; float posDrawX = textPos.x;
@ -347,76 +351,123 @@ int32_t ewol::TexturedFont::Draw(Vector2D<float> textPos,
// Clipping and drawing area // Clipping and drawing area
if( dxB <= dxA
|| dyD >= dyC) { if( dxB < clipping.x
// nothing to do ... || dxA > clipping.x + clipping.w)
{
// Nothing to diplay ...
} else { } else {
/* Bitmap position if (true == hasClipping) {
* 0------1 // generata positions...
* | | float TexSizeX = tuB - tuA;
* | | if (dxA < clipping.x) {
* 3------2 // clip display
*/ float drawSize = clipping.x - dxA;
Vector2D<int32_t> bitmapDrawPos[4]; // Update element start display
bitmapDrawPos[0].x = (int32_t)dxA; dxA = clipping.x;
bitmapDrawPos[1].x = (int32_t)dxB; float addElement = TexSizeX * drawSize / (float)m_listElement[charIndex].property.m_sizeTexture.x;
bitmapDrawPos[2].x = (int32_t)dxB; // update texture start X Pos
bitmapDrawPos[3].x = (int32_t)dxA; tuA += addElement;
}
if (dxB > clipping.x + clipping.w) {
// clip display
float drawSize = dxB - (clipping.x + clipping.w);
// Update element start display
dxB = clipping.x + clipping.w;
float addElement = TexSizeX * drawSize / (float)m_listElement[charIndex].property.m_sizeTexture.x;
// update texture start X Pos
tuB -= addElement;
}
float TexSizeY = tvD - tvC;
if (dyC < clipping.y) {
// clip display
float drawSize = clipping.y - dyC;
// Update element start display
dyC = clipping.y;
float addElement = TexSizeY * drawSize / (float)m_listElement[charIndex].property.m_sizeTexture.x;
// update texture start X Pos
tvC += addElement;
}
if (dyD > clipping.y + clipping.h) {
// clip display
float drawSize = dyD - (clipping.y + clipping.h);
// Update element start display
dyD = clipping.y + clipping.h;
float addElement = TexSizeX * drawSize / (float)m_listElement[charIndex].property.m_sizeTexture.x;
// update texture start X Pos
tvD -= addElement;
}
}
if( dxB <= dxA
|| dyD <= dyC) {
// nothing to do ...
} else {
/* Bitmap position
* 0------1
* | |
* | |
* 3------2
*/
Vector2D<int32_t> bitmapDrawPos[4];
bitmapDrawPos[0].x = (int32_t)dxA;
bitmapDrawPos[1].x = (int32_t)dxB;
bitmapDrawPos[2].x = (int32_t)dxB;
bitmapDrawPos[3].x = (int32_t)dxA;
bitmapDrawPos[0].y = (int32_t)dyC; bitmapDrawPos[0].y = (int32_t)dyC;
bitmapDrawPos[1].y = (int32_t)dyC; bitmapDrawPos[1].y = (int32_t)dyC;
bitmapDrawPos[2].y = (int32_t)dyD; bitmapDrawPos[2].y = (int32_t)dyD;
bitmapDrawPos[3].y = (int32_t)dyD; bitmapDrawPos[3].y = (int32_t)dyD;
/* texture Position : /* texture Position :
* 0------1 * 0------1
* | | * | |
* | | * | |
* 3------2 * 3------2
*/ */
texCoord_ts texturePos[4]; texCoord_ts texturePos[4];
texturePos[0].u = tuA; texturePos[0].u = tuA;
texturePos[1].u = tuB; texturePos[1].u = tuB;
texturePos[2].u = tuB; texturePos[2].u = tuB;
texturePos[3].u = tuA; texturePos[3].u = tuA;
texturePos[0].v = tvC; texturePos[0].v = tvC;
texturePos[1].v = tvC; texturePos[1].v = tvC;
texturePos[2].v = tvD; texturePos[2].v = tvD;
texturePos[3].v = tvD; texturePos[3].v = tvD;
// NOTE : Android does not support the Quads elements ... // NOTE : Android does not support the Quads elements ...
/* Step 1 : /* Step 1 :
* ******** * ********
* ****** * ******
* **** * ****
* ** * **
* *
*/ */
// set texture coordonates : // set texture coordonates :
coordTex.PushBack(texturePos[0]); coordTex.PushBack(texturePos[0]);
coordTex.PushBack(texturePos[1]); coordTex.PushBack(texturePos[1]);
coordTex.PushBack(texturePos[2]); coordTex.PushBack(texturePos[2]);
// set display positions : // set display positions :
coord.PushBack(bitmapDrawPos[0]); coord.PushBack(bitmapDrawPos[0]);
coord.PushBack(bitmapDrawPos[1]); coord.PushBack(bitmapDrawPos[1]);
coord.PushBack(bitmapDrawPos[2]); coord.PushBack(bitmapDrawPos[2]);
/* Step 2 :
*
* **
* ****
* ******
* ********
*/
// set texture coordonates :
coordTex.PushBack(texturePos[0]);
coordTex.PushBack(texturePos[2]);
coordTex.PushBack(texturePos[3]);
// set display positions :
coord.PushBack(bitmapDrawPos[0]);
coord.PushBack(bitmapDrawPos[2]);
coord.PushBack(bitmapDrawPos[3]);
/* Step 2 :
*
* **
* ****
* ******
* ********
*/
// set texture coordonates :
coordTex.PushBack(texturePos[0]);
coordTex.PushBack(texturePos[2]);
coordTex.PushBack(texturePos[3]);
// set display positions :
coord.PushBack(bitmapDrawPos[0]);
coord.PushBack(bitmapDrawPos[2]);
coord.PushBack(bitmapDrawPos[3]);
}
} }
} }
posDrawX += m_listElement[charIndex].property.m_advance.x; posDrawX += m_listElement[charIndex].property.m_advance.x;

8
Sources/libewol/ewol/font/TexturedFont.h
View File

@ -57,11 +57,15 @@ namespace ewol
int32_t Draw(Vector2D<float> textPos, int32_t Draw(Vector2D<float> textPos,
const etk::UString& unicodeString, const etk::UString& unicodeString,
etk::Vector<Vector2D<float> > & coord, etk::Vector<Vector2D<float> > & coord,
etk::Vector<texCoord_ts> & coordTex); etk::Vector<texCoord_ts> & coordTex,
bool hasClipping,
clipping_ts& clipping);
int32_t Draw(Vector2D<float> textPos, int32_t Draw(Vector2D<float> textPos,
const uniChar_t unicodeChar, const uniChar_t unicodeChar,
etk::Vector<Vector2D<float> > & coord, etk::Vector<Vector2D<float> > & coord,
etk::Vector<texCoord_ts> & coordTex); etk::Vector<texCoord_ts> & coordTex,
bool hasClipping,
clipping_ts& clipping);
Vector2D<float> GetSize(const etk::UString & unicodeString); Vector2D<float> GetSize(const etk::UString & unicodeString);
Vector2D<float> GetSize(const uniChar_t unicodeChar); Vector2D<float> GetSize(const uniChar_t unicodeChar);
// TODO : Remove this element, it is stupid ... // TODO : Remove this element, it is stupid ...

12
Sources/libewol/ewol/oObject/2DTextColored.cpp
View File

@ -183,11 +183,7 @@ int32_t ewol::OObject2DTextColored::Text(Vector2D<float> textPos, const etk::USt
} }
int32_t nbElementInTheArray = m_coord.Size(); int32_t nbElementInTheArray = m_coord.Size();
int32_t size = 0; int32_t size = 0;
if (true==m_hasClipping) { size = m_font->Draw(textPos, unicodeString, m_coord, m_coordTex, m_hasClipping, m_clipping);
size = m_font->Draw(textPos, unicodeString, m_coord, m_coordTex);
} else {
size = m_font->Draw(textPos, unicodeString, m_coord, m_coordTex);
}
// set the color ... // set the color ...
for (int32_t iii=nbElementInTheArray; iii<m_coord.Size(); iii++) { for (int32_t iii=nbElementInTheArray; iii<m_coord.Size(); iii++) {
m_coordColor.PushBack(m_color); m_coordColor.PushBack(m_color);
@ -203,11 +199,7 @@ int32_t ewol::OObject2DTextColored::Text(Vector2D<float> textPos, const uniChar_
} }
int32_t nbElementInTheArray = m_coord.Size(); int32_t nbElementInTheArray = m_coord.Size();
int32_t size = 0; int32_t size = 0;
if (true==m_hasClipping) { size = m_font->Draw(textPos, unicodeChar, m_coord, m_coordTex, m_hasClipping, m_clipping);
size = m_font->Draw(textPos, unicodeChar, m_coord, m_coordTex);
} else {
size = m_font->Draw(textPos, unicodeChar, m_coord, m_coordTex);
}
for (int32_t iii=nbElementInTheArray; iii<m_coord.Size(); iii++) { for (int32_t iii=nbElementInTheArray; iii<m_coord.Size(); iii++) {
m_coordColor.PushBack(m_color); m_coordColor.PushBack(m_color);
} }