From c007cddf71a53b67f3642629d7c31400db5da93a Mon Sep 17 00:00:00 2001
From: Treeki <treeki@gmail.com>
Date: Sat, 18 Aug 2012 04:47:34 +0200
Subject: added influenced alpha to the render. not sure if I did it right
BUT...
---
layoutgl/widget.cpp | 45 ++++++++++++++++++++++++---------------------
layoutgl/widget.h | 6 +++---
2 files changed, 27 insertions(+), 24 deletions(-)
(limited to 'layoutgl')
diff --git a/layoutgl/widget.cpp b/layoutgl/widget.cpp
index 1f10558..acfb8da 100644
--- a/layoutgl/widget.cpp
+++ b/layoutgl/widget.cpp
@@ -48,7 +48,7 @@ void LGLWidget::paintGL() {
glLoadIdentity();
- renderPane(m_layout->rootPane);
+ renderPane(m_layout->rootPane, 255);
// now, debugging/editing aids
// first off reset the textures
@@ -100,7 +100,7 @@ void LGLWidget::paintGL() {
glEnd();
}
-void LGLWidget::renderPane(const LYTPane *pane) {
+void LGLWidget::renderPane(const LYTPane *pane, quint8 parentAlpha) {
if (!pane->visible)
return;
@@ -113,30 +113,33 @@ void LGLWidget::renderPane(const LYTPane *pane) {
glTranslatef(pane->xTrans, pane->yTrans, pane->zTrans);
//qDebug() << "Translating by" << pane->xTrans << pane->yTrans << pane->zTrans;
+ quint8 effectiveAlpha = (parentAlpha == 255) ? pane->alpha : ((pane->alpha * parentAlpha) / 255);
+
switch (pane->type()) {
case LYTPane::PictureType:
- drawPicture((LYTPicture*)pane);
+ drawPicture((LYTPicture*)pane, effectiveAlpha);
break;
case LYTPane::WindowType:
- drawWindow((LYTWindow*)pane);
+ drawWindow((LYTWindow*)pane, effectiveAlpha);
break;
}
+ quint8 childrenAlpha = pane->influencedAlpha ? effectiveAlpha : 255;
foreach (const LYTPane *childPane, pane->children)
- renderPane(childPane);
+ renderPane(childPane, childrenAlpha);
//qDebug() << "Popping";
glPopMatrix();
}
-void LGLWidget::drawPicture(const LYTPicture *pic) {
+void LGLWidget::drawPicture(const LYTPicture *pic, quint8 effectiveAlpha) {
float dX = pic->drawnVertexX();
float dY = pic->drawnVertexY();
//qDebug() << "Drawing" << dX << dY << pic->width << pic->height;
useMaterial(pic->materialName);
- drawQuad(dX, dY, pic->width, pic->height, pic->texCoords, pic->vtxColours, pic->alpha);
+ drawQuad(dX, dY, pic->width, pic->height, pic->texCoords, pic->vtxColours, effectiveAlpha);
//glColor3ub(255, 255, 255);
//renderText(dX, (dY-pic->height)+10, 0, pic->name);
@@ -186,7 +189,7 @@ void LGLWidget::dealWithWindowFrame(LYTTexCoords &coords, const QString &materia
hack[rep4 + info.two] = assign4;
}
-void LGLWidget::drawWindow(const LYTWindow *wnd) {
+void LGLWidget::drawWindow(const LYTWindow *wnd, quint8 effectiveAlpha) {
float dX = wnd->drawnVertexX();
float dY = wnd->drawnVertexY();
@@ -214,7 +217,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dY - frameTop + wnd->contentOverflowTop,
((wnd->contentOverflowLeft + (wnd->width - frameLeft)) - frameRight) + wnd->contentOverflowRight,
((wnd->contentOverflowTop + (wnd->height - frameTop)) - frameBottom) + wnd->contentOverflowBottom,
- wnd->contentTexCoords, wnd->contentVtxColours, wnd->alpha);
+ wnd->contentTexCoords, wnd->contentVtxColours, effectiveAlpha);
// deal with the frame
LYTTexCoords texCoords;
@@ -233,7 +236,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
float pieceHeight = frameTop;
dealWithWindowFrame(texCoords, frame.materialName, 0, pieceWidth, pieceHeight, 0, 2, 4, 6);
- drawQuad(dX, dY, pieceWidth, pieceHeight, 1, &texCoords, 0, wnd->alpha);
+ drawQuad(dX, dY, pieceWidth, pieceHeight, 1, &texCoords, 0, effectiveAlpha);
// top right
pieceWidth = frameRight;
@@ -242,7 +245,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, frame.materialName, 1, pieceWidth, pieceHeight, 2, 0, 6, 4);
drawQuad(dX + wnd->width - frameRight, dY, pieceWidth, pieceHeight,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
// bottom left
pieceWidth = frameLeft;
@@ -251,7 +254,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, frame.materialName, 2, pieceWidth, pieceHeight, 4, 6, 0, 2);
drawQuad(dX, dY - frameTop, pieceWidth, pieceHeight,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
// bottom right
pieceWidth = wnd->width - frameLeft;
@@ -260,7 +263,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, frame.materialName, 4, pieceWidth, pieceHeight, 6, 4, 2, 0);
drawQuad(dX + frameLeft, dY - wnd->height + frameBottom, pieceWidth, pieceHeight,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
}
}
break;
@@ -277,7 +280,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
float pieceHeight = frameTop;
dealWithWindowFrame(texCoords, fTL.materialName, fTL.type, pieceWidth, pieceHeight, 0, 2, 4, 6);
- drawQuad(dX, dY, pieceWidth, pieceHeight, 1, &texCoords, 0, wnd->alpha);
+ drawQuad(dX, dY, pieceWidth, pieceHeight, 1, &texCoords, 0, effectiveAlpha);
}
// top right
@@ -293,7 +296,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, fTR.materialName, fTR.type, pieceWidth, pieceHeight, 2, 0, 6, 4);
drawQuad(dX + wnd->width - frameRight, dY, pieceWidth, pieceHeight,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
}
// bottom left
@@ -309,7 +312,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, fBL.materialName, fBL.type, pieceWidth, pieceHeight, 4, 6, 0, 2);
drawQuad(dX, dY - frameTop, pieceWidth, pieceHeight,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
}
const LYTWindowFrame &fBR = *wnd->frames.at(3);
@@ -325,7 +328,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, fBR.materialName, fBR.type, pieceWidth, pieceHeight, 6, 4, 2, 0);
drawQuad(dX + frameLeft, dY - wnd->height + frameBottom, pieceWidth, pieceHeight,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
}
}
break;
@@ -340,7 +343,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
useMaterial(mTL);
dealWithWindowFrame(texCoords, fTL.materialName, fTL.type, frameLeft, frameTop, 0, 2, 4, 6);
- drawQuad(dX, dY, frameLeft, frameTop, 1, &texCoords, 0, wnd->alpha);
+ drawQuad(dX, dY, frameLeft, frameTop, 1, &texCoords, 0, effectiveAlpha);
}
// top right
@@ -353,7 +356,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, fTR.materialName, fTR.type, frameRight, frameTop, 2, 0, 6, 4);
drawQuad(dX + wnd->width - frameRight, dY, frameRight, frameTop,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
}
// bottom left
@@ -366,7 +369,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, fBL.materialName, fBL.type, frameLeft, frameBottom, 4, 6, 0, 2);
drawQuad(dX, dY - frameTop, frameLeft, frameBottom,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
}
const LYTWindowFrame &fBR = *wnd->frames.at(3);
@@ -379,7 +382,7 @@ void LGLWidget::drawWindow(const LYTWindow *wnd) {
dealWithWindowFrame(texCoords, fBR.materialName, fBR.type, frameRight, frameBottom, 6, 4, 2, 0);
drawQuad(dX + frameLeft, dY - wnd->height + frameBottom, frameRight, frameBottom,
- 1, &texCoords, 0, wnd->alpha);
+ 1, &texCoords, 0, effectiveAlpha);
}
}
default:
diff --git a/layoutgl/widget.h b/layoutgl/widget.h
index e6abdfc..1c7aaf1 100644
--- a/layoutgl/widget.h
+++ b/layoutgl/widget.h
@@ -21,10 +21,10 @@ protected:
LYTLayout *m_layout;
- void renderPane(const LYTPane *pane);
+ void renderPane(const LYTPane *pane, quint8 parentAlpha);
- void drawPicture(const LYTPicture *pic);
- void drawWindow(const LYTWindow *wnd);
+ void drawPicture(const LYTPicture *pic, quint8 effectiveAlpha);
+ void drawWindow(const LYTWindow *wnd, quint8 effectiveAlpha);
const LYTMaterial &getMaterial(const QString &materialName) {
return *m_layout->materials.getMaterialByName(materialName);
--
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