common: figureADC: Move the common code for the figure here

* src/common/figureADC.tex: Move the common code for the figure here.
* Makefile.am (COMMON): Register it.
* src/en/sparc.tex, src/ru/sparc.tex: Include it.
* src/en/sections/white-noise-adc.tex, src/ru/sections/white-noise-adc.tex: Use
it.

Makefile.am

@@ -91,7 +91,8 @@ SECTIONS = \
 
 COMMON = \
 	src/common/figureSoundGraph.tex \
-	src/common/figurePWMGraph.tex
+	src/common/figurePWMGraph.tex \
+	src/common/figureADC.tex
 
 COMMIT = $(shell git rev-parse HEAD)
 

src/common/figureADC.tex

@@ -0,0 +1,26 @@
+\newcommand{\figureADC}[1]{
+  \begin{figure}[ht]
+    \centering
+    \begin{tikzpicture}
+      \draw[thick] (0, 0) -- (0, 5.5) -- (3, 5.5) -- (3, 0) -- (0, 0);
+      \draw (1.5, 2.5) node[right, above] {ADC};
+      \draw (1.5, 5.5) -- (1.5, 6.5) node[right, above] {VCC};
+      \draw (1.5, 0) -- (1.5, -1) node[right, below] {GND};
+      \draw (-2, 5.0)
+      -- (-1, 5.0) node[left, above, text width=2cm] {$V_{ref}$}
+      -- (0, 5.0);
+      \draw (0, 3.00)
+      -- (-1, 3.00) node[left, above, text width=2cm] {ANALOG INPUT}
+      -- (-2, 3.00);
+      \draw (-2, 0.5)
+      -- (-1, 0.5) node[left, above, text width=2cm] {CLOCK INPUT}
+      -- (0, 0.5);
+      \draw(-0.25, 0.25) -- (0.25, 0.75);
+      \foreach \n/\y in {0/0.5, 1/1.0, 2/1.5, 3/2.0, 4/2.5, 5/3.0, 6/3.5, 7/4.0, 8/4.5, 9/5.0} {
+        \draw (3, \y) node[anchor=south west] {OUTPUT \n} -- (5, \y);
+      };
+    \end{tikzpicture}
+    \caption{#1}
+    \label{fig:adc-schematics}
+  \end{figure}
+}

src/en/sections/white-noise-adc.tex

@@ -26,30 +26,9 @@ \section{Analog-to-digital converter}
 The ADC can be depicted schematically as is shown on the
 fig. \ref{fig:adc-schematics}.
 
-\begin{figure}[ht]
-  \centering
-  \begin{tikzpicture}
-    \draw[thick] (0, 0) -- (0, 5.5) -- (3, 5.5) -- (3, 0) -- (0, 0);
-    \draw (1.5, 2.5) node[right, above] {ADC};
-    \draw (1.5, 5.5) -- (1.5, 6.5) node[right, above] {VCC};
-    \draw (1.5, 0) -- (1.5, -1) node[right, below] {GND};
-    \draw (-2, 5.0)
-    -- (-1, 5.0) node[left, above, text width=2cm] {$V_{ref}$}
-    -- (0, 5.0);
-    \draw (0, 3.00)
-    -- (-1, 3.00) node[left, above, text width=2cm] {ANALOG INPUT}
-    -- (-2, 3.00);
-    \draw (-2, 0.5)
-    -- (-1, 0.5) node[left, above, text width=2cm] {CLOCK INPUT}
-    -- (0, 0.5);
-    \draw(-0.25, 0.25) -- (0.25, 0.75);
-    \foreach \n/\y in {0/0.5, 1/1.0, 2/1.5, 3/2.0, 4/2.5, 5/3.0, 6/3.5, 7/4.0, 8/4.5, 9/5.0} {
-      \draw (3, \y) node[anchor=south west] {OUTPUT \n} -- (5, \y);
-    };
-  \end{tikzpicture}
-  \caption{Schematic depiction of the analog-to-digital converted (ADC.)}
-  \label{fig:adc-schematics}
-\end{figure}
+\figureADC{
+  Schematic depiction of the analog-to-digital converted (ADC.)
+}
 
 The ADC takes some analog signal into the input (``ANALOG INPUT'') and encodes
 it in each moment in time as the sequence of logical levels: ``HIGH'' (``1'')

src/en/sparc.tex

@@ -42,6 +42,7 @@
 \input{sections/commands.tex}
 \input{common/figureSoundGraph.tex}
 \input{common/figurePWMGraph.tex}
+\input{common/figureADC.tex}
 
 \counterwithin{listing}{section}
 

src/ru/sections/white-noise-adc.tex

@@ -37,31 +37,9 @@ \section{Аналогово-цифровое преобразование}
 
 %% TODO: Добавить AREF -- задаёт максимум для конвертера
 
-\begin{figure}[ht]
-  \centering
-  \begin{tikzpicture}
-    \draw[thick] (0, 0) -- (0, 5.5) -- (3, 5.5) -- (3, 0) -- (0, 0);
-    \draw (1.5, 2.5) node[right, above] {ADC};
-    \draw (1.5, 5.5) -- (1.5, 6.5) node[right, above] {VCC};
-    \draw (1.5, 0) -- (1.5, -1) node[right, below] {GND};
-    \draw (-2, 5.0)
-    -- (-1, 5.0) node[left, above, text width=2cm] {$V_{ref}$}
-    -- (0, 5.0);
-    \draw (0, 3.00)
-    -- (-1, 3.00) node[left, above, text width=2cm] {ANALOG INPUT}
-    -- (-2, 3.00);
-    \draw (-2, 0.5)
-    -- (-1, 0.5) node[left, above, text width=2cm] {CLOCK INPUT}
-    -- (0, 0.5);
-    \draw(-0.25, 0.25) -- (0.25, 0.75);
-    \foreach \n/\y in {0/0.5, 1/1.0, 2/1.5, 3/2.0, 4/2.5, 5/3.0, 6/3.5, 7/4.0, 8/4.5, 9/5.0} {
-      \draw (3, \y) node[anchor=south west] {OUTPUT \n} -- (5, \y);
-    };
-  \end{tikzpicture}
-  \caption{Схематическое изображение 10-битного аналогово-цифрового
-    преобразователя.}
-  \label{fig:adc-schematics}
-\end{figure}
+\figureADC{
+  Схематическое изображение 10-битного аналогово-цифрового преобразователя.
+}
 
 На вход АЦП (``ANALOG INPUT'') подаётся аналоговый сигнал, а на выходах
 (``OUTPUT 0'' .. ``OUTPUT 9'') кодируется значение входного сигнала в каждый

src/ru/sparc.tex

@@ -42,6 +42,7 @@
 \input{sections/commands.tex}
 \input{common/figureSoundGraph.tex}
 \input{common/figurePWMGraph.tex}
+\input{common/figureADC.tex}
 
 \counterwithin{listing}{section}
 \renewcommand\listingscaption{Листинг}