From d7278cc48b7fd9c1848da6402316663af2d0c7bd Mon Sep 17 00:00:00 2001
From: Alexander Tkachev
Date: Tue, 21 Jun 2016 15:15:15 +0600
Subject: GUI: Prepare button to be clipped

---
 graphics/VectorRenderer.cpp | 29 ++++++++++++++++++++++++++++-
 graphics/VectorRenderer.h   | 25 +++++++++++++------------
 2 files changed, 41 insertions(+), 13 deletions(-)

(limited to 'graphics')

diff --git a/graphics/VectorRenderer.cpp b/graphics/VectorRenderer.cpp
index f426dd8c41..73dc6309b2 100644
--- a/graphics/VectorRenderer.cpp
+++ b/graphics/VectorRenderer.cpp
@@ -55,7 +55,34 @@ void VectorRenderer::drawStep(const Common::Rect &area, const DrawStep &step, ui
 
 	_dynamicData = extra;
 
-	(this->*(step.drawingCall))(area, step);
+	Common::Rect noClip = Common::Rect(0, 0, 0, 0);
+	(this->*(step.drawingCall))(area, step, noClip);
+}
+
+void VectorRenderer::drawStepClip(const Common::Rect &area, const Common::Rect &clip, const DrawStep &step, uint32 extra) {
+
+	if (step.bgColor.set)
+		setBgColor(step.bgColor.r, step.bgColor.g, step.bgColor.b);
+
+	if (step.fgColor.set)
+		setFgColor(step.fgColor.r, step.fgColor.g, step.fgColor.b);
+
+	if (step.bevelColor.set)
+		setBevelColor(step.bevelColor.r, step.bevelColor.g, step.bevelColor.b);
+
+	if (step.gradColor1.set && step.gradColor2.set)
+		setGradientColors(step.gradColor1.r, step.gradColor1.g, step.gradColor1.b,
+			step.gradColor2.r, step.gradColor2.g, step.gradColor2.b);
+
+	setShadowOffset(_disableShadows ? 0 : step.shadow);
+	setBevel(step.bevel);
+	setGradientFactor(step.factor);
+	setStrokeWidth(step.stroke);
+	setFillMode((FillMode)step.fillMode);
+
+	_dynamicData = extra;
+
+	(this->*(step.drawingCall))(area, step, clip);
 }
 
 int VectorRenderer::stepGetRadius(const DrawStep &step, const Common::Rect &area) {
diff --git a/graphics/VectorRenderer.h b/graphics/VectorRenderer.h
index 6b657f758d..e98dbc22cf 100644
--- a/graphics/VectorRenderer.h
+++ b/graphics/VectorRenderer.h
@@ -38,7 +38,7 @@ class VectorRenderer;
 struct DrawStep;
 
 
-typedef void (VectorRenderer::*DrawingFunctionCallback)(const Common::Rect &, const Graphics::DrawStep &);
+typedef void (VectorRenderer::*DrawingFunctionCallback)(const Common::Rect &, const Graphics::DrawStep &, const Common::Rect &);
 
 
 struct DrawStep {
@@ -355,7 +355,7 @@ public:
 	/**
 	 * DrawStep callback functions for each drawing feature
 	 */
-	void drawCallback_CIRCLE(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_CIRCLE(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h, radius;
 
 		radius = stepGetRadius(step, area);
@@ -364,59 +364,59 @@ public:
 		drawCircle(x + radius, y + radius, radius);
 	}
 
-	void drawCallback_SQUARE(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_SQUARE(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
 		drawSquare(x, y, w, h);
 	}
 
-	void drawCallback_LINE(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_LINE(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
 		drawLine(x, y, x + w, y + w);
 	}
 
-	void drawCallback_ROUNDSQ(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_ROUNDSQ(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
 		drawRoundedSquare(x, y, stepGetRadius(step, area), w, h);
 	}
 
-	void drawCallback_FILLSURFACE(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_FILLSURFACE(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		fillSurface();
 	}
 
-	void drawCallback_TRIANGLE(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_TRIANGLE(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
 		drawTriangle(x, y, w, h, (TriangleOrientation)step.extraData);
 	}
 
-	void drawCallback_BEVELSQ(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_BEVELSQ(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
 		drawBeveledSquare(x, y, w, h, _bevel);
 	}
 
-	void drawCallback_TAB(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_TAB(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
 		drawTab(x, y, stepGetRadius(step, area), w, h);
 	}
 
-	void drawCallback_BITMAP(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_BITMAP(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
 		blitAlphaBitmap(step.blitSrc, Common::Rect(x, y, x + w, y + h));
 	}
 
-	void drawCallback_CROSS(const Common::Rect &area, const DrawStep &step) {
+	void drawCallback_CROSS(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
 		drawCross(x, y, w, h);
 	}
 
-	void drawCallback_VOID(const Common::Rect &area, const DrawStep &step) {}
+	void drawCallback_VOID(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) {}
 
 	/**
 	 * Draws the specified draw step on the screen.
@@ -426,6 +426,7 @@ public:
 	 * @param step Pointer to a DrawStep struct.
 	 */
 	virtual void drawStep(const Common::Rect &area, const DrawStep &step, uint32 extra = 0);
+	virtual void drawStepClip(const Common::Rect &area, const Common::Rect &clip, const DrawStep &step, uint32 extra = 0);
 
 	/**
 	 * Copies the part of the current frame to the system overlay.
-- 
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