Merge branch 'master' of projects.vdr-developer.org:vdr-plugin-skindesigner

HISTORY

@@ -103,3 +103,5 @@ Version 0.0.7
 - fixed bug that global double vars are not working
 
 Version 0.0.8
+
+- drawing ellipses antialiased with Cairo 

Makefile

@@ -66,8 +66,9 @@ OBJS = $(PLUGIN).o \
        libcore/pixmapcontainer.o \
        libcore/fontmanager.o \
        libcore/imagecache.o \
-       libcore/helpers.o \
        libcore/imageloader.o \
+       libcore/imagecreator.o \
+       libcore/helpers.o \
        libcore/recfolderinfo.o \
        libcore/extrecinfo.o \
        libcore/timers.o \

libcore/imagecache.c

@@ -3,9 +3,10 @@
 #include <map>
 #include <fstream>
 #include <sys/stat.h>
-#include "imagecache.h"
+#include "imagecreator.h"
 #include "../config.h"
 #include "helpers.h"
+#include "imagecache.h"
 
 
 cMutex cImageCache::mutex;
@@ -300,6 +301,37 @@ cImage *cImageCache::GetSkinpart(string name, int width, int height) {
     return NULL;    
 }
 
+void cImageCache::CacheEllipse(int id, int width, int height, tColor color, int quadrant) {
+    esyslog("skindesigner: caching ellipse %d, w %d, h %d, color %x, quadrant %d", id, width, height, color, quadrant);
+    GetEllipse(id, width, height, color, quadrant);
+}
+
+cImage *cImageCache::GetEllipse(int id, int width, int height, tColor color, int quadrant) {
+    if (width < 1 || width > 1920 || height < 1 || height > 1080)
+        return NULL;
+    cMutexLock MutexLock(&mutex);
+    map<int, cImage*>::iterator hit = cairoImageCache.find(id);
+    if (hit != cairoImageCache.end()) {
+        return (cImage*)hit->second;
+    } else {
+        cImageCreator ic;
+        if (!ic.InitCairoImage(width, height))
+            return NULL;
+        ic.DrawEllipse(color, quadrant);
+        cImage *ellipse = ic.GetImage();
+        cairoImageCache.insert(pair<int, cImage*>(id, ellipse));
+        hit = cairoImageCache.find(id);
+        if (hit != cairoImageCache.end()) {
+            return (cImage*)hit->second;
+        }
+    }
+    return NULL;
+}
+
+/****************************************************************************************
+* PRIVATE FUNCTIONS
+****************************************************************************************/
+
 bool cImageCache::LoadIcon(eImageType type, string name) {
     cString subdir("");
     if (type == itMenuIcon)
@@ -361,11 +393,17 @@ void cImageCache::Clear(void) {
     }
     channelLogoCache.clear();
 
-    for(map<std::string, cImage*>::const_iterator it = skinPartsCache.begin(); it != skinPartsCache.end(); it++) {
+    for(map<string, cImage*>::const_iterator it = skinPartsCache.begin(); it != skinPartsCache.end(); it++) {
         cImage *img = (cImage*)it->second;
         delete img;
     }
     skinPartsCache.clear();
+
+    for(map<int, cImage*>::const_iterator it = cairoImageCache.begin(); it != cairoImageCache.end(); it++) {
+        cImage *img = (cImage*)it->second;
+        delete img;
+    }
+    cairoImageCache.clear();
 }
 
 void cImageCache::Debug(bool full) {

libcore/imagecache.h

@@ -30,6 +30,9 @@ public:
     //skinparts
     void CacheSkinpart(string path, int width, int height);
     cImage *GetSkinpart(string name, int width, int height);
+    //Cairo Images
+    void CacheEllipse(int id, int width, int height, tColor color, int quadrant);
+    cImage *GetEllipse(int id, int width, int height, tColor color, int quadrant);
     //helpers
     void Clear(void);
     void Debug(bool full);
@@ -46,6 +49,7 @@ private:
     map<string, cImage*> iconCache;
     map<string, cImage*> channelLogoCache;
     map<string, cImage*> skinPartsCache;
+    map<int, cImage*> cairoImageCache;
     bool LoadIcon(eImageType type, string name);
     bool LoadLogo(const cChannel *channel);
     bool LoadSeparatorLogo(string name);

libcore/imagecreator.c

@@ -0,0 +1,202 @@
+#include "imagecreator.h"
+
+cImageCreator::cImageCreator(void) {
+	surface = NULL;
+	cr = NULL;
+}
+
+cImageCreator::~cImageCreator() {
+    if (cr)
+	    cairo_destroy (cr);
+    if (surface)
+	    cairo_surface_destroy (surface);
+}
+
+bool cImageCreator::InitCairoImage(int width, int height) {
+	this->width = width;
+	this->height = height;
+	if (width < 1 || height < 1 || width > 1920 || height > 1080)
+		return false;
+	surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
+    cr = cairo_create(surface);
+    cairo_set_antialias(cr, CAIRO_ANTIALIAS_BEST);
+    return true;
+}
+
+/**********************************************************************************
+* Public Functions
+**********************************************************************************/
+
+///< 0       draws the entire ellipse
+///< 1..4    draws only the first, second, third or fourth quadrant, respectively
+///< 5..8    draws the right, top, left or bottom half, respectively
+///< -1..-4  draws the inverted part of the given quadrant
+///< If Quadrants is not 0, the coordinates are those of the actual area, not
+///< the full circle!
+void cImageCreator::DrawEllipse(tColor color, int quadrants) {
+    if (!cr || !surface)
+        return;
+	//center of the ellipse
+	double x, y;
+	//radius 
+	double radius;
+	//start and stop angle (radian)
+	double arcStart, arcStop;
+	//scaling factors
+	double scaleX, scaleY;
+	//draw inverted ellipse
+	bool inverted;
+
+	scaleX = width;
+	scaleY = height;
+	inverted = false;
+
+	switch (quadrants) {
+		case 0:
+			x = 0.5;
+			y = 0.5;
+			radius = 0.5;
+			arcStart = 0.0;
+			arcStop = 2 * M_PI;
+			break;
+		case 1:
+			x = 0.0;
+			y = 1.0;
+			radius = 1.0;
+			arcStart = M_PI;
+			arcStop = 2 * M_PI;
+			break;
+		case 2:
+			x = 1.0;
+			y = 1.0;
+			radius = 1.0;
+			arcStart = M_PI;
+			arcStop = 2 * M_PI;
+			break;
+		case 3:
+			x = 1.0;
+			y = 0.0;
+			radius = 1.0;
+			arcStart = 0;
+			arcStop = M_PI;
+			break;
+		case 4:
+			x = 0.0;
+			y = 0.0;
+			radius = 1.0;
+			arcStart = 0;
+			arcStop = M_PI;
+			break;
+		case 5:
+		    scaleX = 2 * width;
+		    x = 0.0;
+		    y = 0.5;
+		    radius = 0.5;
+		    arcStart = 0;
+		    arcStop = 2* M_PI;
+			break;
+		case 6:
+		    scaleY = 2 * height;
+		    x = 0.5;
+		    y = 0.5;
+		    radius = 0.5;
+		    arcStart = 0;
+		    arcStop = 2* M_PI;
+			break;
+		case 7:
+		    scaleX = 2 * width;
+		    x = 0.5;
+		    y = 0.5;
+		    radius = 0.5;
+		    arcStart = 0;
+		    arcStop = 2* M_PI;
+			break;
+		case 8:
+		    scaleY = 2 * height;
+		    x = 0.5;
+		    y = 0.0;
+		    radius = 0.5;
+		    arcStart = 0;
+		    arcStop = 2* M_PI;
+			break;
+		case -1:
+		    x = 0.0;
+		    y = 1.0;
+		    radius = 1.0;
+		    arcStart = M_PI;
+		    arcStop = 2* M_PI;
+		    inverted = true;
+		    break;
+		case -2:
+			x = 1.0;
+			y = 1.0;
+			radius = 1.0;
+			arcStart = M_PI;
+			arcStop = 2 * M_PI;
+		    inverted = true;
+		    break;
+		case -3:
+			x = 1.0;
+			y = 0.0;
+			radius = 1.0;
+			arcStart = 0;
+			arcStop = M_PI;
+		    inverted = true;
+			break;
+		case -4:
+			x = 0.0;
+			y = 0.0;
+			radius = 1.0;
+			arcStart = 0;
+			arcStop = M_PI;
+		    inverted = true;
+			break;
+		default:
+			x = 0.5;
+			y = 0.5;
+			radius = 0.5;
+			arcStart = 0.0;
+			arcStop = 2 * M_PI;
+			break;
+	}
+
+	SetColor(color);
+	//Draw Background for inverted ellipses
+	if (inverted) {
+	    cairo_rectangle(cr, 0.0, 0.0, width, height);
+	    cairo_fill (cr);
+	    cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
+	}
+	//Draw Ellipse
+	cairo_scale(cr, scaleX, scaleY);
+	cairo_arc(cr, x, y, radius, arcStart, arcStop);
+	cairo_fill(cr);
+}
+
+cImage *cImageCreator::GetImage(void) {
+    if (!cr || !surface)
+        NULL;
+	unsigned char *data = cairo_image_surface_get_data(surface);
+    cImage *image = new cImage(cSize(width, height), (tColor*)data);
+    return image;
+}
+
+/**********************************************************************************
+* Private Functions
+**********************************************************************************/
+
+void cImageCreator::SetColor(tColor color) {
+    if (!cr || !surface)
+        return;
+	tIndex tAlpha = (color & 0xFF000000) >> 24;
+    tIndex tRed = (color & 0x00FF0000) >> 16;
+    tIndex tGreen = (color & 0x0000FF00) >> 8;
+    tIndex tBlue = (color & 0x000000FF);
+    
+    double a = (int)tAlpha / (double)255;
+    double r = (int)tRed / (double)255;
+    double g = (int)tGreen / (double)255;
+    double b = (int)tBlue / (double)255;
+
+    cairo_set_source_rgba(cr, r, g, b, a);
+}

libcore/imagecreator.h

@@ -0,0 +1,26 @@
+#ifndef __IMAGECREATOR_H
+#define __IMAGECREATOR_H
+
+#include <cairo.h>
+#include <vdr/osd.h>
+#include <string>
+#include <sstream>
+
+using namespace std;
+
+class cImageCreator {
+private:
+    int width;
+    int height;
+    cairo_surface_t *surface;
+    cairo_t *cr;
+    void SetColor(tColor color);
+public:
+    cImageCreator(void);
+    virtual ~cImageCreator();
+    bool InitCairoImage(int width, int height);
+    void DrawEllipse(tColor color, int quadrants = 0);
+    cImage *GetImage(void);
+};
+
+#endif //__IMAGECREATOR_H

libtemplate/template.c

@@ -250,6 +250,8 @@ void cTemplate::CachePixmapImages(cTemplatePixmap *pix) {
     while(func = pix->GetNextFunction()) {
         if (func->GetType() == ftDrawImage) {
             CacheImage(func);
+        } else if (func->GetType() == ftDrawEllipse) {
+            CacheEllipse(func);
         }
     }
 }
@@ -279,3 +281,12 @@ void cTemplate::CacheImage(cTemplateFunction *func) {
             break;
     }
 }
+
+void cTemplate::CacheEllipse(cTemplateFunction *func) {
+    int id = func->GetId();
+    int w = func->GetNumericParameter(ptWidth);
+    int h = func->GetNumericParameter(ptHeight);
+    tColor clr = func->GetColorParameter(ptColor);
+    int quadrant = func->GetNumericParameter(ptQuadrant);
+    imgCache->CacheEllipse(id, w, h, clr, quadrant);
+}

libtemplate/template.h

@@ -34,6 +34,7 @@ private:
     eViewType viewType;
     void CachePixmapImages(cTemplatePixmap *pix);
     void CacheImage(cTemplateFunction *func);
+    void CacheEllipse(cTemplateFunction *func);
 protected:
     cGlobals *globals;
     cTemplateView *rootView;

libtemplate/templatefunction.c

@@ -6,7 +6,10 @@ using namespace std;
 
 // --- cTemplateFunction -------------------------------------------------------------
 
-cTemplateFunction::cTemplateFunction(eFuncType type) { 
+int cTemplateFunction::nextId = 0;
+
+cTemplateFunction::cTemplateFunction(eFuncType type) {
+    id = nextId++;
     this->type = type;
     debug = false;
     containerX = 0; 

libtemplate/templatefunction.h

@@ -102,7 +102,10 @@ enum eOverflowType {
 };
 
 class cTemplateFunction {
+private:
+    static int nextId;
 protected:
+    int id;
     eFuncType type;
     bool debug;
     int containerX;                                                       //X of parent container
@@ -185,6 +188,7 @@ public:
     //Parse parameters with dynamically set Tokens
     bool ParseParameters(void);
     //Getter Functions
+    int GetId(void) { return id; };
     eFuncType GetType(void) { return type; };
     bool DoDebug(void) { return debug; };
     string GetParameter(eParamType type);

skins/nopacity/xmlfiles/displaymenu.xml

@@ -22,19 +22,13 @@
         <area x="0" y="0" width="100%" height="100%" layer="1">
             <!-- top bar -->
             <drawrectangle x="0" y="0" width="{areawidth}" height="10%" color="{clrBackground}" />
-            <drawrectangle x="30%" y="{areaheight}*0.1 - 1" width="71%" height="1" color="{clrBorder}" />
+            <drawrectangle x="29%" y="10%" width="71%" height="1" color="{clrBorder}" />
             <!-- menu bar -->
             <drawrectangle x="0" y="10%" width="{areawidth}*29/100" height="81%" color="{clrBackground}" />
-            <drawrectangle x="{areawidth}*29/100 - 1" y="12%" width="1" height="76%" color="{clrBorder}" />
+            <drawrectangle x="29%" y="10%" width="1" height="81%" color="{clrBorder}" />
             <!-- bottom bar -->
             <drawrectangle x="0" y="90%" width="{areawidth}" height="10%" color="{clrBackground}" />
-            <drawrectangle x="30%" y="{areaheight}*0.9 - 1" width="71%" height="1" color="{clrBorder}" />
-            <!-- upper corner -->
-            <drawellipse x="{areawidth}*29/100" y="{areaheight}/10" width="{areawidth}*2/100" height="{areawidth}*2/100" quadrant="-2" color="{clrBorder}" />
-            <drawellipse x="{areawidth}*29/100 - 1" y="{areaheight}/10 - 1" width="{areawidth}*2/100" height="{areawidth}*2/100" quadrant="-2" color="{clrBackground}" />
-            <!-- lower corner -->
-            <drawellipse x="{areawidth}*29/100" y="{areaheight}*90/100 - {areawidth}*2/100" width="{areawidth}*2/100" height="{areawidth}*2/100" quadrant="-3" color="{clrBorder}" />
-            <drawellipse x="{areawidth}*29/100 - 1" y="{areaheight}*90/100 - {areawidth}*2/100 + 1" width="{areawidth}*2/100" height="{areawidth}*2/100" quadrant="-3" color="{clrBackground}" />
+            <drawrectangle x="29%" y="90%" width="71%" height="1" color="{clrBorder}" />
         </area>
         <area x="0" y="0" width="100%" height="10%" layer="2">
             <drawimage imagetype="skinpart" path="headertop" x="0" y="0" width="100%" height="100%"/>

views/view.c

@@ -636,14 +636,17 @@ void cView::DoDrawEllipse(int num, cTemplateFunction *func, int x0, int y0) {
     y += y0;
     int w = func->GetNumericParameter(ptWidth);
     int h = func->GetNumericParameter(ptHeight);
-    cRect size(x, y, w, h);
     tColor clr = func->GetColorParameter(ptColor);
     int quadrant = func->GetNumericParameter(ptQuadrant);
     if (quadrant < -4 || quadrant > 8) {
         esyslog("skindesigner: wrong quadrant %d for drawellipse, allowed values are from -4 to 8", quadrant);
         quadrant = 0;
     }
-    DrawEllipse(num, size, clr, quadrant);
+    cImage *ellipse = imgCache->GetEllipse(func->GetId(), w, h, clr, quadrant);
+    if (ellipse) {
+        const cPoint point(x, y);
+        DrawImage(num, point, *ellipse);
+    }
 }
 
 void cView::DoDrawSlope(int num, cTemplateFunction *func, int x0, int y0) {