* Copyright 2010 Stephan Aßmus <superstippi@gmx.de>. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#include "BitmapButton.h"
#include <string.h>
#include <Bitmap.h>
#include <ControlLook.h>
#include <TranslationUtils.h>
static const float kFrameInset = 2;
BBitmapButton::BBitmapButton(const char* resourceName, BMessage* message)
:
BButton("", message),
fBitmap(BTranslationUtils::GetBitmap(resourceName)),
fBackgroundMode(BUTTON_BACKGROUND)
{
}
BBitmapButton::BBitmapButton(const uint8* bits, uint32 width, uint32 height,
color_space format, BMessage* message)
:
BButton("", message),
fBitmap(new BBitmap(BRect(0, 0, width - 1, height - 1), 0, format)),
fBackgroundMode(BUTTON_BACKGROUND)
{
memcpy(fBitmap->Bits(), bits, fBitmap->BitsLength());
}
BBitmapButton::~BBitmapButton()
{
delete fBitmap;
}
BSize
BBitmapButton::MinSize()
{
BSize min(0, 0);
if (fBitmap) {
min.width = fBitmap->Bounds().Width();
min.height = fBitmap->Bounds().Height();
}
min.width += kFrameInset * 2;
min.height += kFrameInset * 2;
return min;
}
BSize
BBitmapButton::MaxSize()
{
return BSize(B_SIZE_UNLIMITED, B_SIZE_UNLIMITED);
}
BSize
BBitmapButton::PreferredSize()
{
return MinSize();
}
void
BBitmapButton::Draw(BRect updateRect)
{
BRect bounds(Bounds());
rgb_color base = ui_color(B_PANEL_BACKGROUND_COLOR);
uint32 flags = be_control_look->Flags(this);
if (fBackgroundMode == BUTTON_BACKGROUND || Value() == B_CONTROL_ON) {
be_control_look->DrawButtonBackground(this, bounds, updateRect, base,
flags);
} else {
SetHighColor(tint_color(base, B_DARKEN_2_TINT));
StrokeLine(bounds.LeftBottom(), bounds.RightBottom());
bounds.bottom--;
be_control_look->DrawMenuBarBackground(this, bounds, updateRect, base,
flags);
}
if (fBitmap == NULL)
return;
SetDrawingMode(B_OP_ALPHA);
if (!IsEnabled()) {
SetBlendingMode(B_CONSTANT_ALPHA, B_ALPHA_OVERLAY);
SetHighColor(0, 0, 0, 120);
}
BRect bitmapBounds(fBitmap->Bounds());
BPoint bitmapLocation(
floorf((bounds.left + bounds.right
- (bitmapBounds.left + bitmapBounds.right)) / 2 + 0.5f),
floorf((bounds.top + bounds.bottom
- (bitmapBounds.top + bitmapBounds.bottom)) / 2 + 0.5f));
DrawBitmap(fBitmap, bitmapLocation);
}
void
BBitmapButton::SetBackgroundMode(uint32 mode)
{
if (fBackgroundMode != mode) {
fBackgroundMode = mode;
Invalidate();
}
}
