From 8f2d35b0b89c4b8912df96ec3c403e00c85c5875 Mon Sep 17 00:00:00 2001
From: Alexander Tkachev
Date: Wed, 22 Jun 2016 14:29:02 +0600
Subject: GUI: drawRoundedSquareClip()

---
 graphics/VectorRendererSpec.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'graphics/VectorRendererSpec.h')

diff --git a/graphics/VectorRendererSpec.h b/graphics/VectorRendererSpec.h
index 13377d80e8..8a101b8e5a 100644
--- a/graphics/VectorRendererSpec.h
+++ b/graphics/VectorRendererSpec.h
@@ -81,6 +81,8 @@ public:
 
 protected:
 
+	Common::Rect _clippingArea;
+
 	/**
 	 * Draws a single pixel on the surface with the given coordinates and
 	 * the given color.
@@ -159,12 +161,21 @@ protected:
 	virtual void drawRoundedSquareAlg(int x1, int y1, int r, int w, int h,
 	    PixelType color, FillMode fill_m);
 
+	virtual void drawRoundedSquareAlgClip(int x1, int y1, int r, int w, int h,
+		PixelType color, FillMode fill_m);
+
 	virtual void drawBorderRoundedSquareAlg(int x1, int y1, int r, int w, int h,
 	    PixelType color, FillMode fill_m, uint8 alpha_t, uint8 alpha_r, uint8 alpha_b, uint8 alpha_l);
 
+	virtual void drawBorderRoundedSquareAlgClip(int x1, int y1, int r, int w, int h,
+		PixelType color, FillMode fill_m, uint8 alpha_t, uint8 alpha_r, uint8 alpha_b, uint8 alpha_l);
+
 	virtual void drawInteriorRoundedSquareAlg(int x1, int y1, int r, int w, int h,
 	    PixelType color, FillMode fill_m);
 
+	virtual void drawInteriorRoundedSquareAlgClip(int x1, int y1, int r, int w, int h,
+		PixelType color, FillMode fill_m);
+
 	virtual void drawSquareAlg(int x, int y, int w, int h,
 	    PixelType color, FillMode fill_m);
 
@@ -213,6 +224,7 @@ protected:
 
 	void precalcGradient(int h);
 	void gradientFill(PixelType *first, int width, int x, int y);
+	void gradientFillClip(PixelType *first, int width, int x, int y, int realX, int realY);
 
 	/**
 	 * Fills several pixels in a row with a given color and the specified alpha blending.
@@ -228,6 +240,28 @@ protected:
 		while (first != last) blendPixelPtr(first++, color, alpha);
 	}
 
+	inline void blendFillClip(PixelType *first, PixelType *last, PixelType color, uint8 alpha, int realX, int realY) {
+		if (_clippingArea.top <= realY && realY < _clippingArea.bottom) {
+			while (first != last) {
+				if (_clippingArea.left <= realX && realX < _clippingArea.right)
+					blendPixelPtr(first++, color, alpha);
+				else
+					++first;
+				++realX;
+			}
+		}
+	}
+
+	inline void blendFillClip(int x, PixelType *first, PixelType *last, PixelType color, uint8 alpha) {
+		while (first != last) {
+			if (x >= _clippingArea.left && x <= _clippingArea.right)
+				blendPixelPtr(first++, color, alpha);
+			else
+				++first;
+			++x;
+		}
+	}
+
 	void darkenFill(PixelType *first, PixelType *last);
 
 	const PixelFormat _format;
-- 
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