Initial community commit

Src/tataki/canvas/mac/osx_canvas_quartz.cpp

@@ -0,0 +1,275 @@
+#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;
+}
+