From 6872e29fe6d628acd95a5f5eded6f372102fea31 Mon Sep 17 00:00:00 2001
From: louis <louis.braun@gmx.de>
Date: Sat, 11 Apr 2015 16:21:33 +0200
Subject: added possibility to draw a debug grid in views

---
 views/displaymenurootview.c |  1 +
 views/view.c                | 56 ++++++++++++++++++++++++++++++++++++++++++++-
 views/view.h                |  2 ++
 3 files changed, 58 insertions(+), 1 deletion(-)

(limited to 'views')

diff --git a/views/displaymenurootview.c b/views/displaymenurootview.c
index 7b514d7..a29f56d 100644
--- a/views/displaymenurootview.c
+++ b/views/displaymenurootview.c
@@ -422,6 +422,7 @@ cFont *cDisplayMenuRootView::GetTextAreaFont(void) {
 void cDisplayMenuRootView::Render(void) {
     if (!view)
         return;
+    view->DrawDebugGrid();
     if (!view->DrawBackground()) {
         defaultBackgroundDrawn = true;
         DrawBackground();
diff --git a/views/view.c b/views/view.c
index 09bae74..1680379 100644
--- a/views/view.c
+++ b/views/view.c
@@ -5,7 +5,7 @@
 
 using namespace std;
 
-cView::cView(cTemplateView *tmplView) : cPixmapContainer(tmplView->GetNumPixmaps()) {
+cView::cView(cTemplateView *tmplView) : cPixmapContainer(tmplView->DrawGebugGrid() ? tmplView->GetNumPixmaps() + 1 : tmplView->GetNumPixmaps()) {
     this->tmplView = tmplView;
     tvScaled = tmplView->GetScalingWindow(scalingWindow);
     if (tvScaled) {
@@ -42,6 +42,12 @@ cView::~cView() {
     }
 }
 
+void cView::DrawDebugGrid(void) {
+    if (tmplView && tmplView->DrawGebugGrid()) {
+        DoDrawDebugGrid();
+    }
+}
+
 void cView::Init(void) {
     viewInit = true;
     scrolling = false;
@@ -483,6 +489,54 @@ void cView::DebugTokens(string viewElement, map<string,string> *stringTokens, ma
 * Private Functions
 *****************************************************************/
 
+void cView::DoDrawDebugGrid(void) {
+    int stepsX = tmplView->DebugGridX();
+    int stepsY = tmplView->DebugGridY();
+    cRect osdSize = tmplView->GetOsdSize();
+    tColor col = tmplView->DebugGridColor();
+    tColor colFont = tmplView->DebugGridFontColor();
+
+    cRect size(0, 0, osdSize.Width(), osdSize.Height());
+    //use last pixmap as grid pixmap
+    int numGridPixmap = NumPixmaps() - 1;
+    CreatePixmap(numGridPixmap, 7, size);
+
+    int width = size.Width();
+    int height = size.Height();
+    float stepWidthX = (double)width / (double)stepsX;
+    float stepWidthY = (double)height / (double)stepsY;
+    int fontSize = height / stepsY / 5;
+
+    for (int i = 0; i <= stepsX; i++) {
+        int x = (float)i * stepWidthX;
+        if (i==stepsX)
+            x = x-1;
+        cRect line(x, 0, 1, height);
+        DrawRectangle(numGridPixmap, line, col);
+        if (i==stepsX)
+            continue;
+        float percent = (float)i / (float)stepsX * 100.0;
+        cPoint textPosPerc(x+2, 2);
+        cPoint textPosAbs(x+2, fontSize + 4);
+        DrawText(numGridPixmap, textPosPerc, *cString::sprintf("%.1f%%", percent), colFont, 0x00000000, "vdrOsd", fontSize);
+        DrawText(numGridPixmap, textPosAbs, *cString::sprintf("%dpx", x), colFont, 0x00000000, "vdrOsd", fontSize);
+    }
+    for (int i = 0; i <= stepsY; i++) {
+        int y = (float)i * stepWidthY;
+        if (i==stepsY)
+            y = y-1;
+        cRect line(0, y, width, 1);
+        DrawRectangle(numGridPixmap, line, col);
+        if (i==0 || i==stepsY)
+            continue;
+        float percent = (float)i / (float)stepsY * 100.0;
+        cPoint textPosPerc(2, y + 2);
+        cPoint textPosAbs(2, y + fontSize + 4);
+        DrawText(numGridPixmap, textPosPerc, *cString::sprintf("%.1f%%", percent), colFont, 0x00000000, "vdrOsd", fontSize);
+        DrawText(numGridPixmap, textPosAbs, *cString::sprintf("%dpx", y), colFont, 0x00000000, "vdrOsd", fontSize);
+    }
+}
+
 void cView::DoFill(int num, cTemplateFunction *func) {
     tColor col = func->GetColorParameter(ptColor);
     Fill(num, col);
diff --git a/views/view.h b/views/view.h
index f81885f..e6ee909 100644
--- a/views/view.h
+++ b/views/view.h
@@ -13,6 +13,7 @@ class cViewElement;
 class cView : public cPixmapContainer {
 private:
     void Init(void);
+    void DoDrawDebugGrid(void);
     void DoFill(int num, cTemplateFunction *func);
     void DoDrawText(int num, cTemplateFunction *func, int x0 = 0, int y0 = 0);
     void DoDrawTextVertical(int num, cTemplateFunction *func, int x0 = 0, int y0 = 0);
@@ -61,6 +62,7 @@ public:
     cView(cTemplateView *tmplView);
     cView(cTemplateViewElement *tmplViewElement);
     cView(cTemplateViewTab *tmplTab);
+    void DrawDebugGrid(void);
     virtual ~cView();
     virtual void Stop(void);
 };
-- 
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