Implemented printing (finally)

src/gui/print_window.cpp

@@ -10,9 +10,12 @@
 #include <gui/card_select_window.hpp>
 #include <gui/util.hpp>
 #include <data/set.hpp>
+#include <data/stylesheet.hpp>
+#include <render/card/viewer.hpp>
 #include <wx/print.h>
 
 DECLARE_TYPEOF_COLLECTION(CardP);
+DECLARE_POINTER_TYPE(PageLayout);
 
 // ----------------------------------------------------------------------------- : Buffering DC
 
@@ -31,7 +34,7 @@ DECLARE_TYPEOF_COLLECTION(CardP);
  */
 class TextBufferDC : public wxMemoryDC {
   public:
-	TextBufferDC(UInt width, UInt height);
+	TextBufferDC(int width, int height);
 	
 	virtual void DoDrawText(const String& str, int x, int y);
 	virtual void DoDrawRotatedText(const String& str, int x, int y, double angle);
@@ -47,9 +50,10 @@ class TextBufferDC : public wxMemoryDC {
 		int x, y;
 		String text;
 		double angle;
+		double user_scale_x, user_scale_y;
 		
-		TextDraw(wxFont font, Color color, int x, int y, String text, double angle = 0)
-			: font(font), color(color), x(x), y(y), text(text), angle(angle)
+		TextDraw(wxFont font, Color color, double user_scale_x, double user_scale_y, int x, int y, String text, double angle = 0)
+			: font(font), color(color), user_scale_x(user_scale_x), user_scale_y(user_scale_y), x(x), y(y), text(text), angle(angle)
 		{}
 	};
   public:
@@ -59,7 +63,7 @@ class TextBufferDC : public wxMemoryDC {
 	Bitmap buffer;
 };
 
-TextBufferDC::TextBufferDC(UInt width, UInt height)
+TextBufferDC::TextBufferDC(int width, int height)
 	: buffer(width, height, 32)
 {
 	SelectObject(buffer);
@@ -67,10 +71,14 @@ TextBufferDC::TextBufferDC(UInt width, UInt height)
 	clearDC(*this,*wxWHITE_BRUSH);
 }
 void TextBufferDC::DoDrawText(const String& str, int x, int y) {
-	text.push_back( new_shared5<TextDraw>(GetFont(), GetTextForeground(), x, y, str) );
+	double usx,usy;
+	GetUserScale(&usx, &usy);
+	text.push_back( new_shared7<TextDraw>(GetFont(), GetTextForeground(), usx, usy, x, y, str) );
 }
 void TextBufferDC::DoDrawRotatedText(const String& str, int x, int y, double angle) {
-	text.push_back( new_shared6<TextDraw>(GetFont(), GetTextForeground(), x, y, str, angle) );
+	double usx,usy;
+	GetUserScale(&usx, &usy);
+	text.push_back( new_shared8<TextDraw>(GetFont(), GetTextForeground(), usx, usy, x, y, str, angle) );
 }
 
 DECLARE_TYPEOF_COLLECTION(TextBufferDC::TextDrawP);
@@ -79,6 +87,9 @@ void TextBufferDC::drawToDevice(DC& dc, int x, int y) {
 	SelectObject(wxNullBitmap);
 	dc.DrawBitmap(buffer, x, y);
 	FOR_EACH(t, text) {
+		double usx,usy;
+		dc.GetUserScale(&usx, &usy);
+		dc.SetUserScale(usx * t->user_scale_x, usx * t->user_scale_y);
 		dc.SetFont          (t->font);
 		dc.SetTextForeground(t->color);
 		if (t->angle) {
@@ -86,45 +97,139 @@ void TextBufferDC::drawToDevice(DC& dc, int x, int y) {
 		} else {
 			dc.DrawText(t->text, t->x + x, t->y + y);
 		}
+		dc.SetUserScale(usx, usy);
 	}
 }
 
 // ----------------------------------------------------------------------------- : Layout
 
-/// Layout of a page of cards
-class PageLayout {
-  public:
-	RealSize card_size;			///< Size of a card
-	RealSize card_space;		///< Spacing between cards
-	double margin_left, margin_right, margin_top, margin_bottom; ///< Page margins
-	int rows, cols;				///< Number of rows/columns of cards
-	bool landscape;				///< Are cards rotated to landscape orientation?
-};
+PageLayout::PageLayout()
+	: margin_left(0), margin_right(0), margin_top(0), margin_bottom(0)
+	, rows(0), cols(0), card_landscape(false)
+{}
+
+PageLayout::PageLayout(const StyleSheet& stylesheet, const RealSize& page_size)
+	: page_size(page_size)
+	, margin_left(0), margin_right(0), margin_top(0), margin_bottom(0)
+{
+	card_size.width  = stylesheet.card_width  * 25.4 / stylesheet.card_dpi;
+	card_size.height = stylesheet.card_height * 25.4 / stylesheet.card_dpi;
+	card_landscape = card_size.width > card_size.height;
+	cols = floor(page_size.width  / card_size.width);
+	rows = floor(page_size.height / card_size.height);
+	// distribute whitespace evenly
+	margin_left = margin_right  = card_spacing.width  = (page_size.width  - (cols * card_size.width )) / (cols + 1);
+	margin_top  = margin_bottom = card_spacing.height = (page_size.height - (rows * card_size.height)) / (rows + 1);
+}
 
 // ----------------------------------------------------------------------------- : Printout
 
 /// A printout object specifying how to print a specified set of cards
-class CardsPrintout : wxPrintout {
+class CardsPrintout : public wxPrintout {
   public:
 	CardsPrintout(const SetP& set, const vector<CardP>& cards);
-	/// Determine card size, cards per row
-	void OnPreparePrinting();
 	/// Number of pages, and something else I don't understand...
-	void GetPageInfo(int* pageMin, int* pageMax, int* pageFrom, int* pageTo);
+	virtual void GetPageInfo(int* pageMin, int* pageMax, int* pageFrom, int* pageTo);
 	/// Again, 'number of pages', strange wx interface
-	bool HasPage(int page);
+	virtual bool HasPage(int page);
+	/// Determine the layout
+	virtual void OnPreparePrinting();
 	/// Print a page
-	bool OnPrintPage(int page);
+	virtual bool OnPrintPage(int page);
 	
   private:
-	PageLayout layout;
+	PageLayoutP layout;
+	SetP set;
+	vector<CardP> cards; ///< Cards to print
+	DataViewer viewer;
+	double scale_x, scale_y; // priter pixel per mm
+	
+	inline int pageCount() {
+		return ((int)cards.size() + layout->cardsPerPage() - 1) / layout->cardsPerPage();
+	}
 	
 	/// Draw a card, that is card_nr on this page, find the postion by asking the layout
-	void drawCard(DC& dc, const CardP& card, size_t card_nr);
-	/// Draw a card at the specified coordinates
-	void drawCard(DC& dc, const CardP& card, double x, double y, int rotation = 0);
+	void drawCard(DC& dc, const CardP& card, int card_nr);
 };
 
+CardsPrintout::CardsPrintout(const SetP& set, const vector<CardP>& cards)
+	: set(set), cards(cards)
+{
+	viewer.setSet(set);
+}
+
+void CardsPrintout::GetPageInfo(int* page_min, int* page_max, int* page_from, int* page_to) {
+	*page_from = *page_min = 1;
+	*page_to   = *page_max = pageCount();
+}
+
+bool CardsPrintout::HasPage(int page) {
+	return page <= pageCount(); // page number is 1 based
+}
+
+void CardsPrintout::OnPreparePrinting() {
+	int pw_mm, ph_mm;
+	GetPageSizeMM(&pw_mm, &ph_mm);
+	if (!layout) {
+		layout = new_shared2<PageLayout>(*set->stylesheet, RealSize(pw_mm, ph_mm));
+	}
+}
+
+
+bool CardsPrintout::OnPrintPage(int page) {
+	DC& dc = *GetDC();
+	// scale factors
+	int pw_mm, ph_mm;
+	GetPageSizeMM(&pw_mm, &ph_mm);
+	int pw_px, ph_px;
+	dc.GetSize(&pw_px, &ph_px);
+	scale_x = (double)pw_px / pw_mm;
+	scale_y = (double)ph_px / ph_mm;
+	// print the cards that belong on this page
+	int start = (page - 1) * layout->cardsPerPage();
+	int end   = min((int)cards.size(), start + layout->cardsPerPage());
+	for (int i = start ; i < end ; ++i) {
+		drawCard(dc, cards[i], i - start);
+	}
+	return true;
+}
+
+void CardsPrintout::drawCard(DC& dc, const CardP& card, int card_nr) {
+	// determine position
+	int col = card_nr % layout->cols;
+	int row = card_nr / layout->cols;
+	RealPoint pos( layout->margin_left + (layout->card_size.width  + layout->card_spacing.width)  * col
+	             , layout->margin_top  + (layout->card_size.height + layout->card_spacing.height) * row);
+	// determine rotation
+	StyleSheet& stylesheet = *set->stylesheetFor(card);
+	int rotation = 0;
+	if ((stylesheet.card_width > stylesheet.card_height) != layout->card_landscape) {
+		rotation = 90 - rotation;
+	}
+	/*
+	// size of this particular card (in mm)
+	RealSize card_size( stylesheet.card_width  * 25.4 / stylesheet.card_dpi
+	                  , stylesheet.card_height * 25.4 / stylesheet.card_dpi);
+	if (rotation == 90) swap(card_size.width, card_size.height);
+	// adjust card size, to center card in the available space (from layout->card_size)?
+	// TODO
+	*/
+	
+	// create buffers
+	int w = stylesheet.card_width, h = stylesheet.card_height; // in pixels
+	if (rotation == 90) swap(w,h);
+	TextBufferDC bufferDC(w,h);
+	RotatedDC rdc(bufferDC, rotation, RealRect(0,0,w,h), 1.0, QUALITY_SUB_PIXEL);
+	// render card to dc
+	viewer.setCard(card);
+	viewer.draw(rdc, *wxWHITE);
+	// render buffer to device
+	double px_per_mm = stylesheet.card_dpi / 25.4;
+	dc.SetUserScale(scale_x / px_per_mm, scale_y / px_per_mm);
+	dc.SetDeviceOrigin(scale_x * pos.x, scale_y * pos.y);
+	bufferDC.drawToDevice(dc, 0, 0); // adjust for scaling
+}
+
 // ----------------------------------------------------------------------------- : PrintWindow
 
 void print_preview(Window* parent, const SetP& set) {
@@ -137,8 +242,8 @@ void print_preview(Window* parent, const SetP& set) {
 	FOR_EACH(c, set->cards) {
 		if (wnd.isSelected(c)) selected.push_back(c);
 	}
-/*	// Show the print preview
-	wxPreviewFrame frame = new wxPreviewFrame(
+	// Show the print preview
+	wxPreviewFrame* frame = new wxPreviewFrame(
 		new wxPrintPreview(
 			new CardsPrintout(set, selected),
 			new CardsPrintout(set, selected)
@@ -146,7 +251,6 @@ void print_preview(Window* parent, const SetP& set) {
 	frame->Initialize();
 	frame->Maximize(true);
 	frame->Show();
-*/
 }
 
 void print_set(Window* parent, const SetP& set) {
@@ -159,9 +263,8 @@ void print_set(Window* parent, const SetP& set) {
 	FOR_EACH(c, set->cards) {
 		if (wnd.isSelected(c)) selected.push_back(c);
 	}
-/*	// Print the cards
+	// Print the cards
 	wxPrinter p;
 	CardsPrintout pout(set, selected);
 	p.Print(parent, &pout, true);
-*/
 }

src/gui/print_window.hpp

@@ -10,8 +10,11 @@
 // ----------------------------------------------------------------------------- : Includes
 
 #include <util/prec.hpp>
+#include <util/reflect.hpp>
+#include <util/real_point.hpp>
 
 DECLARE_POINTER_TYPE(Set);
+class StyleSheet;
 
 // ----------------------------------------------------------------------------- : Printing
 
@@ -21,5 +24,27 @@ void print_preview(Window* parent, const SetP& set);
 /// Print the given set
 void print_set(Window* parent, const SetP& set);
 
+// ----------------------------------------------------------------------------- : Layout
+
+/// Layout of a page of cards
+class PageLayout {
+  public:
+	PageLayout();
+	PageLayout(const StyleSheet& stylesheet, const RealSize& page_size);
+	
+	RealSize page_size;			///< Size of a page (in millimetres)
+	RealSize card_size;			///< Size of a card (in millimetres)
+	RealSize card_spacing;		///< Spacing between cards (in millimetres)
+	double margin_left, margin_right, margin_top, margin_bottom; ///< Page margins (in millimetres)
+	int rows, cols;				///< Number of rows/columns of cards
+	bool card_landscape;		///< Are cards rotated to landscape orientation?
+	
+	/// The number of cards per page
+	inline int cardsPerPage() const { return rows * cols; }
+	
+ private:
+	DECLARE_REFLECTION();
+};
+
 // ----------------------------------------------------------------------------- : EOF
 #endif

src/util/smart_ptr.hpp

@@ -75,6 +75,16 @@ template <typename T, typename A0, typename A1, typename A2, typename A3, typena
 inline shared_ptr<T> new_shared7(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6) {
 	return shared_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6));
 }
+/// Allocate a new shared-pointed object, given eight arguments to pass to the ctor of T
+template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
+inline shared_ptr<T> new_shared8(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7) {
+	return shared_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6, a7));
+}
+/// Allocate a new shared-pointed object, given nine arguments to pass to the ctor of T
+template <typename T, typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
+inline shared_ptr<T> new_shared9(const A0& a0, const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7, const A8& a8) {
+	return shared_ptr<T>(new T(a0, a1, a2, a3, a4, a5, a6, a7, a8));
+}
 
 // ----------------------------------------------------------------------------- : Intrusive pointers