BrushEditor: size preview based on max dimension to avoid jumping

- Removed red line
- Added size number to preview when it's larger than the preview bitmap

Author: dsizzle

artpaint/paintwindow/StatusView.cpp

@@ -395,8 +395,7 @@ CurrentBrushView::CurrentBrushView(BRect frame)
 
 	SetToolTip(B_TRANSLATE("Brush"));
 
-	frame.InsetBy(1.0, 1.0);
-	fBrushPreview = new BBitmap(BRect(0.0, 0.0, frame.Width(), frame.Height()), B_RGBA32);
+	fBrushPreview = new BBitmap(BRect(0.0, 0.0, frame.Width(), frame.Height()), B_RGBA32, true);
 	BitmapUtilities::ClearBitmap(fBrushPreview, 0xFFFFFFFF);
 
 	list_of_views.AddItem(this);
@@ -412,11 +411,7 @@ CurrentBrushView::~CurrentBrushView()
 
 void CurrentBrushView::Draw(BRect)
 {
-	DrawBitmap(fBrushPreview, BPoint(1.0, 1.0));
-
-	SetPenSize(1);
-	SetHighColor(0, 0, 0, 255);
-	StrokeRect(Bounds());
+	DrawBitmap(fBrushPreview, BPoint(0.0, 0.0));
 }
 
 

artpaint/tools/Brush.cpp

@@ -379,20 +379,15 @@ Brush::delete_all_data()
 float
 Brush::PreviewBrush(BBitmap* preview_bitmap)
 {
-	float preview_width = width_;
-	float preview_height = height_;
+	float bmap_width = (preview_bitmap->Bounds().Width() + 1);
+	float bmap_height = (preview_bitmap->Bounds().Height() + 1);
 
-	float bmap_width = preview_bitmap->Bounds().Width() + 1;
-	float bmap_height = preview_bitmap->Bounds().Height() + 1;
+	float preview_width = 0.9 * bmap_width;
+	float preview_height = 0.9 * bmap_height;
 
-	while ((preview_width > bmap_width) || (preview_height > bmap_height)) {
-		preview_width /= 2.0;
-		preview_height /= 2.0;
-	}
-	int32 scale = (int32)(width_ / preview_width);
+	float max_dim = max_c(width_, height_);
 
-	int32 top = (int32)((bmap_height - preview_height) / 2.0);
-	int32 left = (int32)((bmap_width - preview_width) / 2.0);
+	float scale = max_c(1.0, max_dim / preview_width);
 
 	uint32* bits = (uint32*)preview_bitmap->Bits();
 	int32 bpr = preview_bitmap->BytesPerRow() / 4;
@@ -413,11 +408,22 @@ Brush::PreviewBrush(BBitmap* preview_bitmap)
 		uint32 brush_bpr = brush_bmap->BytesPerRow() / 4;
 		brush_bmap->Unlock();
 
+		int32 draw_width = brush_bpr / scale;
+		int32 draw_height = brush_bmap->Bounds().Height() / scale;
+
+		int32 top = (int32)((bmap_height - draw_height) / 2.0);
+		int32 left = (int32)((bmap_width - draw_width) / 2.0);
+
 		// Here we draw the brush to the bitmap.
 		for (int32 y = 0; y < preview_height; ++y) {
+			if (ceil(y * scale) > brush_bmap->Bounds().Height())
+				break;
 			for (int32 x = 0; x < preview_width; ++x) {
+				if (ceil(x * scale) > brush_bpr)
+					break;
+
 				union color_conversion color;
-				color.word = *(brush_bits + (x * scale) + (y * scale * brush_bpr));
+				color.word = *(brush_bits + (int32)ceil(x * scale) + ((int32)ceil(y * scale) * brush_bpr));
 				color.bytes[0] = 255 - color.bytes[0];
 				color.bytes[1] = 255 - color.bytes[1];
 				color.bytes[2] = 255 - color.bytes[2];
@@ -428,22 +434,37 @@ Brush::PreviewBrush(BBitmap* preview_bitmap)
 		}
 	}
 
-	// Here we draw a line indicating the relative size of the brush
-	color.bytes[0] = 0x00;
-	color.bytes[1] = 0x00;
-	color.bytes[2] = 0xFF;
-	color.bytes[3] = 0xFF;
-	bits = (uint32*)preview_bitmap->Bits();
-	bits += bpr * (int32)(bmap_height - 5) + 1;
-	*(bits - bpr) = color.word;
-	*(bits + bpr) = color.word;
-	for (int32 i = 0; i < bmap_width * (preview_width / width_) - 3; i++)
-		*bits++ = color.word;
-	bits--;
-	*(bits - bpr) = color.word;
-	*(bits + bpr) = color.word;
-
-	return preview_width / width_;
+	// Add the brush size to the bottom of the preview
+	BFont font;
+	font.SetSize(bmap_width / 6);
+	BString brushSizeString;
+	brushSizeString.SetToFormat("%d", (int32)max_dim - 2);
+
+	int32 strWidth = font.StringWidth("000");
+	font_height strHeight;
+	font.GetHeight(&strHeight);
+	int32 strX = 0;
+	int32 strY = (int32)(bmap_height - 1);
+	BRect fontBGRect(strX - 1, strY - strHeight.ascent + 2,
+		strX + strWidth + 2, bmap_height);
+
+	preview_bitmap->Lock();
+	BView* numView = new BView(preview_bitmap->Bounds(), "", B_FOLLOW_NONE, B_WILL_DRAW);
+	preview_bitmap->AddChild(numView);
+	rgb_color highColor = numView->HighColor();
+	numView->StrokeRect(preview_bitmap->Bounds(), B_SOLID_HIGH);
+	numView->StrokeRect(fontBGRect.OffsetByCopy(1.0, -1.0), B_SOLID_HIGH);
+	numView->SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+	numView->FillRect(fontBGRect, B_SOLID_HIGH);
+	numView->MovePenTo(BPoint(strX, strY));
+	numView->SetHighColor(highColor);
+	numView->SetFont(&font);
+	numView->DrawString(brushSizeString);
+
+	numView->Sync();
+	preview_bitmap->Unlock();
+
+	return preview_width / max_dim;
 }
 
 

artpaint/tools/BrushEditor.cpp

@@ -374,9 +374,8 @@ BrushView::BrushView(BRect frame, Brush* brush)
 
 	SetToolTip(B_TRANSLATE("Hold SHIFT to snap to 45° angles"));
 
-	frame.InsetBy(1.0, 1.0);
 	fBrushPreview
-		= new BBitmap(BRect(0.0, 0.0, frame.Width() - 1.0, frame.Height() - 1.0), B_RGBA32);
+		= new BBitmap(BRect(0.0, 0.0, frame.Width(), frame.Height()), B_RGBA32, true);
 	fBrush->PreviewBrush(fBrushPreview);
 }
 
@@ -389,11 +388,7 @@ BrushView::~BrushView()
 
 void BrushView::Draw(BRect)
 {
-	DrawBitmap(fBrushPreview, BPoint(1.0, 1.0));
-
-	SetPenSize(1);
-	SetHighColor(0, 0, 0, 255);
-	StrokeRect(Bounds());
+	DrawBitmap(fBrushPreview, BPoint(0.0, 0.0));
 
 	if (fDrawControls) {
 		float r1 = Bounds().Width() / 2;

artpaint/windows/BrushStoreWindow.cpp

@@ -310,17 +310,18 @@ BrushStoreView::Draw(BRect area)
 	SetPenSize(1.0);
 	for (int32 i = 0; i < brush_images->CountItems(); i++) {
 		if ((area & get_bitmap_frame(i)).IsValid() == TRUE) {
-			DrawBitmapAsync((BBitmap*)brush_images->ItemAt(i), get_bitmap_frame(i));
+			SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
 			BRect outer_frame = get_bitmap_frame(i);
-			outer_frame.InsetBy(-1, -1);
-			StrokeRect(outer_frame);
+			DrawBitmap((BBitmap*)brush_images->ItemAt(i), get_bitmap_frame(i));
+			StrokeRect(outer_frame.InsetByCopy(-1, -1));
+			StrokeRect(outer_frame.InsetByCopy(-2, -2));
 		}
 	}
 	if (IsFocus() && (brush_data->CountItems() > 0)) {
 		SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
 		BRect outer_frame = get_bitmap_frame(selected_brush_index);
 		SetPenSize(1.5);
-		StrokeRect(outer_frame);
+		StrokeRect(outer_frame.InsetByCopy(-1, -1));
 	}
 	Sync();
 }
@@ -483,7 +484,7 @@ BrushStoreView::AddBrush(Brush* brush)
 	bool added = false;
 
 	BBitmap* a_bitmap
-		= new BBitmap(BRect(0, 0, BRUSH_PREVIEW_WIDTH - 1, BRUSH_PREVIEW_HEIGHT - 1), B_RGB_32_BIT);
+		= new BBitmap(BRect(0, 0, BRUSH_PREVIEW_WIDTH, BRUSH_PREVIEW_HEIGHT), B_RGB_32_BIT, true);
 
 	brush_info new_brush_info = brush->GetInfo();