winamp/Src/tataki/canvas/mac/osx_canvas_quartz.cpp

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2024-09-24 12:54:57 +00:00
#include <bfc/platform/types.h>
#include <Carbon/Carbon.h>
#include <tataki/canvas/canvas.h>
#include <api/wnd/basewnd.h>
#include <tataki/region/api_region.h>
/* various functions that might help out
for drawSysObject:
HIThemeDrawButton
HIThemeDrawTitleBarWidget for minimize, maximize, exit
*/
inline float QuartzBlue(RGB32 color)
{
unsigned char *pixel = (unsigned char *)&color;
return pixel[0] / 255.f;
}
inline float QuartzGreen(RGB32 color)
{
unsigned char *pixel = (unsigned char *)&color;
return pixel[1] / 255.f;
}
inline float QuartzRed(RGB32 color)
{
unsigned char *pixel = (unsigned char *)&color;
return pixel[2] / 255.f;
}
inline float QuartzAlpha(RGB32 color)
{
unsigned char *pixel = (unsigned char *)&color;
return pixel[3] / 255.f;
}
Canvas::Canvas(CGrafPtr _context)
{
}
void Canvas::fillRect(const RECT *r, ARGB32 color)
{
CGContextSetRGBFillColor(context,
QuartzRed(color), // red
QuartzGreen(color), // green
QuartzBlue(color), // blue
QuartzAlpha(color) // alpha
);
HIRect rect = HIRectFromRECT(r);
CGContextFillRect(context, rect);
}
void Canvas::fillRgn(api_region *r, ARGB32 color)
{
CGContextSetRGBFillColor(context,
QuartzRed(color), // red
QuartzGreen(color), // green
QuartzBlue(color), // blue
QuartzAlpha(color) // alpha
);
HIShapeRef shape = r->getOSHandle();
HIShapeReplacePathInCGContext(shape, context);
CGContextFillPath(context);
}
void Canvas::blit(int srcx, int srcy, Canvas *dest, int dstx, int dsty, int dstw, int dsth)
{
// clip dest
// Create CGImage from context
// CGContextDrawImage
}
HDC Canvas::getHDC()
{
return context;
}
void Canvas::selectClipRgn(api_region *r)
{
if (r)
{
HIShapeRef shape = r->getOSHandle();
HIShapeReplacePathInCGContext(shape, context);
CGContextClip(context);
}
else
{
CGContextClipToRect(context, CGRectInfinite);
}
}
void Canvas::stretchblit(int srcx, int srcy, int srcw, int srch, Canvas *dest, int dstx, int dsty, int dstw, int dsth)
{
// Create CGImage from context
// CGContextDrawImage
}
void Canvas::textOut(int x, int y, const wchar_t *txt, const Wasabi::FontInfo *fontInfo)
{
// TODO: turn this code into a svc_fontI, and use api_font here instead
size_t len = wcslen(txt);
UniChar *unistr = (UniChar *)malloc((len + 1) * sizeof(UniChar));
UniChar *copy = unistr;
while (*txt)
*copy++=*txt++;
*copy=0;
ATSUStyle style;
ATSUCreateStyle(&style);
CGContextSaveGState(context);
CGContextSetRGBFillColor(context,
QuartzRed(fontInfo->color), // red
QuartzGreen(fontInfo->color), // green
QuartzBlue(fontInfo->color), // blue
QuartzAlpha(fontInfo->color) // alpha
);
ATSUTextLayout layout;
ATSUCreateTextLayout(&layout);
ATSUSetTextPointerLocation(layout, unistr, kATSUFromTextBeginning, kATSUToTextEnd, len);
ATSUSetRunStyle(layout, style, kATSUFromTextBeginning, kATSUToTextEnd);
Rect imageRect;
ATSUMeasureTextImage(layout, kATSUFromTextBeginning, kATSUToTextEnd, 0, 0, &imageRect);
y-=(imageRect.bottom - imageRect.top);
CGContextScaleCTM(context, 1.0, -1.0);
ATSUAttributeTag tags[] = {kATSUCGContextTag};
ATSUAttributeValuePtr values[] = {&context};
ByteCount sizes[] = {sizeof(CGContextRef)};
ATSUSetLayoutControls(layout, 1, tags, sizes, values);
ATSUDrawText(layout, kATSUFromTextBeginning, kATSUToTextEnd, FloatToFixed(x), FloatToFixed(y));
ATSUDisposeTextLayout(layout);
ATSUDisposeStyle(style);
CGContextRestoreGState(context);
free(unistr);
}
void Canvas::drawSysObject(const RECT *r, int sysobj, int alpha)
{
#warning TODO
using namespace DrawSysObj;
switch(sysobj)
{
case OSBUTTON:
{
HIRect buttonRect = HIRectFromRECT(r);
HIThemeButtonDrawInfo buttonDrawInfo;
buttonDrawInfo.version=0;
buttonDrawInfo.state = kThemeStateActive;
buttonDrawInfo.kind = kThemePushButton;
buttonDrawInfo.value = kThemeButtonOn;
buttonDrawInfo.adornment = kThemeAdornmentNone;
buttonDrawInfo.animation.time.start = 0;
buttonDrawInfo.animation.time.current=0;
HIThemeDrawButton(&buttonRect, &buttonDrawInfo, context, /*kHIThemeOrientationNormal*/kHIThemeOrientationInverted, 0);
}
break;
case OSBUTTON_PUSHED:
{
HIRect buttonRect = HIRectFromRECT(r);
HIThemeButtonDrawInfo buttonDrawInfo;
buttonDrawInfo.version=0;
buttonDrawInfo.state = kThemeStatePressed;
buttonDrawInfo.kind = kThemePushButton;
buttonDrawInfo.value = kThemeButtonOn;
buttonDrawInfo.adornment = kThemeAdornmentNone;
buttonDrawInfo.animation.time.start = 0;
buttonDrawInfo.animation.time.current=0;
HIThemeDrawButton(&buttonRect, &buttonDrawInfo, context, /*kHIThemeOrientationNormal*/kHIThemeOrientationInverted, 0);
}
break;
case OSBUTTON_DISABLED:
{
HIRect buttonRect = HIRectFromRECT(r);
HIThemeButtonDrawInfo buttonDrawInfo;
buttonDrawInfo.version=0;
buttonDrawInfo.state = kThemeStateInactive;
buttonDrawInfo.kind = kThemePushButton;
buttonDrawInfo.value = kThemeButtonOn;
buttonDrawInfo.adornment = kThemeAdornmentNone;
buttonDrawInfo.animation.time.start = 0;
buttonDrawInfo.animation.time.current=0;
HIThemeDrawButton(&buttonRect, &buttonDrawInfo, context, /*kHIThemeOrientationNormal*/kHIThemeOrientationInverted, 0);
}
break;
}
}
void Canvas::getTextExtent(const wchar_t *text, int *w, int *h, const Wasabi::FontInfo *fontInfo)
{
// TODO: turn this code into a svc_fontI, and use api_font here instead
size_t len = wcslen(text);
UniChar *unistr = (UniChar *)malloc((len + 1) * sizeof(UniChar));
UniChar *copy = unistr;
while (*text)
*copy++=*text++;
*copy=0;
ATSUStyle style;
ATSUCreateStyle(&style);
ATSUTextLayout layout;
ATSUCreateTextLayout(&layout);
ATSUSetTextPointerLocation(layout, unistr, kATSUFromTextBeginning, kATSUToTextEnd, len);
ATSUSetRunStyle(layout, style, kATSUFromTextBeginning, kATSUToTextEnd);
Rect imageRect;
ATSUMeasureTextImage(layout, kATSUFromTextBeginning, kATSUToTextEnd, 0, 0, &imageRect);
*h=(imageRect.bottom - imageRect.top);
*w = (imageRect.right - imageRect.left);
ATSUDisposeTextLayout(layout);
ATSUDisposeStyle(style);
free(unistr);
}
void Canvas::textOutCentered(RECT *r, const wchar_t *txt, const Wasabi::FontInfo *fontInfo)
{
textOut(r->left, r->top, txt, fontInfo);
}
#define CBCLASS Canvas
START_DISPATCH;
CB(GETHDC, getHDC);
END_DISPATCH;
#undef CBCLASS
BaseCloneCanvas::BaseCloneCanvas(api_canvas *cloner)
{
if (cloner != NULL) clone(cloner);
}
int BaseCloneCanvas::clone(api_canvas *cloner)
{
ASSERTPR(context == NULL, "can't clone twice");
context = cloner->getHDC();
CGContextRetain(context);
// bits = cloner->getBits();
// cloner->getDim(&width, &height, &pitch);
// srcwnd = cloner->getBaseWnd();
// cloner->getOffsets(&xoffset, &yoffset);
// setTextFont(cloner->getTextFont());
// setTextSize(cloner->getTextSize());
// setTextBold(cloner->getTextBold());
// setTextOpaque(cloner->getTextOpaque());
// setTextUnderline(cloner->getTextUnderline());
// setTextItalic(cloner->getTextItalic());
// setTextAlign(cloner->getTextAlign());
// setTextColor(cloner->getTextColor());
// setTextBkColor(cloner->getTextBkColor());
return (context != NULL);
}
BaseCloneCanvas::~BaseCloneCanvas()
{
CGContextRelease(context);
context = NULL;
}