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A simple widget which renders any 16 bit graphics surface given to it (part of patch #1163026)

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svn-id: r17977
This commit is contained in:
Max Horn 2005-05-08 22:38:29 +00:00
parent 1cddaa828c
commit 3279513b64
2 changed files with 60 additions and 2 deletions
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45
gui/widget.cpp
View File

@ -24,7 +24,6 @@
#include "gui/dialog.h"
#include "gui/newgui.h"
namespace GUI {
Widget::Widget(GuiObject *boss, int x, int y, int w, int h)
@ -276,4 +275,48 @@ int SliderWidget::posToValue(int pos) {
return (pos) * (_valueMax - _valueMin) / (_w - _labelWidth - 4) + _valueMin;
}
#pragma mark -
GraphicsWidget::GraphicsWidget(GuiObject *boss, int x, int y, int w, int h)
: Widget(boss, x, y, w, h), _gfx() {
_flags = WIDGET_ENABLED | WIDGET_CLEARBG;
_type = kGraphicsWidget;
}
GraphicsWidget::~GraphicsWidget() {
_gfx.free();
}
void GraphicsWidget::setGfx(const Graphics::Surface *gfx) {
_gfx.free();
if (!gfx)
return;
if (!gfx->pixels)
return;
// TODO: add conversion to OverlayColor
_gfx.create(gfx->w, gfx->h, gfx->bytesPerPixel);
memcpy(_gfx.pixels, gfx->pixels, gfx->h * gfx->pitch);
}
void GraphicsWidget::drawWidget(bool hilite) {
if (sizeof(OverlayColor) != _gfx.bytesPerPixel || !_gfx.pixels) {
// FIXME: It doesn't really make sense to render this text here, since
// this widget might be used for other things than rendering savegame
// graphics/previews...
g_gui.drawString("No preview", _x, _y + _h / 2 - g_gui.getFontHeight() / 2, _w, g_gui._textcolor, Graphics::kTextAlignCenter);
return;
}
uint drawWidth = _gfx.w, drawHeight = _gfx.h;
if (_w < _gfx.w)
drawWidth = _w;
if (_h < _gfx.h)
drawHeight = _h;
g_gui.drawSurface(_gfx, _x, _y);
}
} // End of namespace GUI

17
gui/widget.h
View File

@ -24,6 +24,7 @@
#include "common/scummsys.h"
#include "common/str.h"
#include "graphics/font.h"
#include "graphics/surface.h"
#include "gui/object.h"
namespace GUI {
@ -52,7 +53,8 @@ enum {
kListWidget = 'LIST',
kScrollBarWidget = 'SCRB',
kPopUpWidget = 'POPU',
kTabWidget = 'TABW'
kTabWidget = 'TABW',
kGraphicsWidget = 'GFXW'
};
enum {
@ -210,6 +212,19 @@ protected:
int posToValue(int pos);
};
/* GraphicsWidget */
class GraphicsWidget : public Widget {
public:
GraphicsWidget(GuiObject *boss, int x, int y, int w, int h);
~GraphicsWidget();
void setGfx(const Graphics::Surface *gfx);
protected:
void drawWidget(bool hilite);
Graphics::Surface _gfx;
};
} // End of namespace GUI
#endif