90 lines
1.8 KiB
C++
90 lines
1.8 KiB
C++
/*
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* Copyright 2009-2010, Pier Luigi Fiorini. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Pier Luigi Fiorini, pierluigi.fiorini@gmail.com
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*/
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#include <Path.h>
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#include <private/IconUtils.h>
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#include "BitmapUtils.h"
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#define BEOS_ICON_ATTRIBUTE "BEOS:ICON"
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#define BEOS_MINI_ICON_ATTRIBUTE "BEOS:M:STD_ICON"
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#define BEOS_LARGE_ICON_ATTRIBUTE "BEOS:L:STD_ICON"
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BBitmap*
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ReadNodeIcon(const char* name, icon_size size, bool followSymlink)
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{
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BEntry entry(name, followSymlink);
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entry_ref ref;
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entry.GetRef(&ref);
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BNode node(BPath(&ref).Path());
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BBitmap* ret = new BBitmap(BRect(0, 0, (float)size - 1, (float)size - 1), B_RGBA32);
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if (BIconUtils::GetIcon(&node, BEOS_ICON_ATTRIBUTE, BEOS_MINI_ICON_ATTRIBUTE,
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BEOS_LARGE_ICON_ATTRIBUTE, size, ret) != B_OK) {
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delete ret;
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ret = NULL;
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}
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return ret;
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}
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BBitmap* IconFromResources(BResources* res, int32 num, icon_size size)
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{
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if (!res)
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return NULL;
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size_t nbytes = 0;
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type_code type = B_VECTOR_ICON_TYPE;
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color_space cspace = B_RGBA32;
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// Try to find a vector icon
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const void* data = res->LoadResource(type, num, &nbytes);
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if (data == NULL) {
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// Determine resource type from icon size
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switch (size) {
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case B_MINI_ICON:
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type = B_MINI_ICON_TYPE;
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break;
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case B_LARGE_ICON:
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type = B_LARGE_ICON_TYPE;
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break;
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default:
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return NULL;
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}
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// Get bitmap icon
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data = res->LoadResource(type, num, &nbytes);
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if (data == NULL)
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return NULL;
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cspace = B_CMAP8;
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}
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BBitmap* icon = new BBitmap(BRect(0, 0, size - 1, size - 1), cspace);
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if (icon->InitCheck() != B_OK)
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return NULL;
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switch (type) {
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case B_VECTOR_ICON_TYPE:
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if (BIconUtils::GetVectorIcon((const uint8*)data, nbytes, icon) != B_OK) {
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delete icon;
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return NULL;
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}
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break;
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default:
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icon->SetBits(data, size * size, 0, cspace);
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}
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return icon;
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}
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