From c7b624d91eaa0444fdc454dfb5c5dd7beaa56bcc Mon Sep 17 00:00:00 2001
From: Vicent Marti
Date: Mon, 21 Jul 2008 19:42:35 +0000
Subject: Bugfix: Rounded squares at low resolutions were not drawn. Cleanup.

svn-id: r33179
---
 graphics/VectorRenderer.cpp | 86 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 85 insertions(+), 1 deletion(-)

(limited to 'graphics/VectorRenderer.cpp')

diff --git a/graphics/VectorRenderer.cpp b/graphics/VectorRenderer.cpp
index 190bbbb40a..9b460e1ac0 100644
--- a/graphics/VectorRenderer.cpp
+++ b/graphics/VectorRenderer.cpp
@@ -84,6 +84,87 @@ void VectorRenderer::textStep(const Common::String &text, const Common::Rect &ar
 		!step.hasAlign ? GUI::Theme::kTextAlignVTop : step.alignVertical);
 }
 
+int VectorRenderer::stepGetRadius(const DrawStep &step, const Common::Rect &area) {
+	int radius = 0;
+
+	if (step.radius == 0xFF)
+		radius = MIN(area.width(), area.height()) / 2;
+	else
+		radius = step.radius;
+
+	if (step.scale != (1 << 16) && step.scale != 0)
+		radius = (radius * step.scale) >> 16;
+
+	return radius;
+}
+
+void VectorRenderer::stepGetPositions(const DrawStep &step, const Common::Rect &area, uint16 &in_x, uint16 &in_y, uint16 &in_w, uint16 &in_h) {
+	if (!step.autoWidth) {
+		in_w = step.w == -1 ? area.height() : step.w;
+		
+		switch(step.xAlign) {
+			case Graphics::DrawStep::kVectorAlignManual:
+				if (step.x >= 0) in_x = area.left + step.x;
+				else in_x = area.left + area.width() + step.x; // value relative to the opposite corner.
+				break;
+				
+			case Graphics::DrawStep::kVectorAlignCenter:
+				in_x = area.left + (area.width() / 2) - (in_w / 2); 
+				break;
+				
+			case Graphics::DrawStep::kVectorAlignLeft:
+				in_x = area.left;
+				break;
+				
+			case Graphics::DrawStep::kVectorAlignRight:
+				in_x = area.left + area.width() - in_w;
+				break;
+				
+			default:
+				error("Vertical alignment in horizontal data.");
+		}
+	} else {
+		in_x = area.left;
+		in_w = area.width();
+	}
+	
+	if (!step.autoHeight) {
+		in_h = step.h == -1 ? area.width() : step.h;
+		
+		switch(step.yAlign) {
+			case Graphics::DrawStep::kVectorAlignManual:
+				if (step.y >= 0) in_y = area.top + step.y;
+				else in_y = area.top + area.height() + step.y; // relative
+				break;
+				
+			case Graphics::DrawStep::kVectorAlignCenter:
+				in_y = area.top + (area.height() / 2) - (in_h / 2); 
+				break;
+				
+			case Graphics::DrawStep::kVectorAlignTop:
+				in_y = area.top;
+				break;
+				
+			case Graphics::DrawStep::kVectorAlignBottom:
+				in_y = area.top + area.height() - in_h;
+				break;
+				
+			default:
+				error("Horizontal alignment in vertical data.");
+		}
+	} else {
+		in_y = area.top;
+		in_h = area.height();
+	}
+
+	if (step.scale != (1 << 16) && step.scale != 0) {
+		in_x = (in_x * step.scale) >> 16;
+		in_y = (in_y * step.scale) >> 16;
+		in_w = (in_w * step.scale) >> 16;
+		in_h = (in_h * step.scale) >> 16;
+	}
+}
+
 /********************************************************************
  * MISCELANEOUS functions
  ********************************************************************/
@@ -356,8 +437,11 @@ template<typename PixelType, typename PixelFormat>
 void VectorRendererSpec<PixelType, PixelFormat>::
 drawRoundedSquare(int x, int y, int r, int w, int h) {
 	if (x + w > Base::_activeSurface->w || y + h > Base::_activeSurface->h ||
-		w <= 0 || h <= 0 || x < 0 || y < 0 || (r << 1) > w || (r << 1) > h)
+		w <= 0 || h <= 0 || x < 0 || y < 0)
 		return;
+		
+	while ((r << 1) > w || (r << 1) > h)
+		r <<= 1;
 
 	if (Base::_fillMode != kFillDisabled && Base::_shadowOffset
 		&& x + w + Base::_shadowOffset < Base::_activeSurface->w
-- 
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