New upstream version 5.2.2GAupstream/5.2.2GA

1 files changed, 195 insertions, 172 deletions

diff --git a/app/wlib/mswlib/backgnd.c b/app/wlib/mswlib/backgnd.c
index d35f19a..9599beb 100644
--- a/app/wlib/mswlib/backgnd.c
+++ b/app/wlib/mswlib/backgnd.c
@@ -29,192 +29,215 @@
 static char *lastErrorMessage;		/**< store last message from FreeImage */
 #define ERRORPUNCTUATION " : "
 
-/**

- * FreeImage error handler

- * \param fif Format / Plugin responsible for the error

- * \param message Error message

+/**
+ * FreeImage error handler
+ * \param fif Format / Plugin responsible for the error
+ * \param message Error message
  */
 
-static void 

-HandleFreeImageError(FREE_IMAGE_FORMAT fif, const char *message) 

-{

-	unsigned totalLength = strlen(message) + 1;

-

-	if (fif != FIF_UNKNOWN) {

-		totalLength += strlen(FreeImage_GetFormatFromFIF(fif)) + strlen(ERRORPUNCTUATION);

-	}

-

-	lastErrorMessage = malloc(totalLength);

-

-	if (fif != FIF_UNKNOWN) {

-		sprintf(lastErrorMessage,

-				"%s" ERRORPUNCTUATION "%s",

-				FreeImage_GetFormatFromFIF(fif),

-				message);

-	} else {

-		strcpy(lastErrorMessage, message);

-	}

+static void
+HandleFreeImageError( FREE_IMAGE_FORMAT fif, const char *message )
+{
+	size_t totalLength = strlen( message ) + 1;
+
+	if( fif != FIF_UNKNOWN ) {
+		totalLength += strlen( FreeImage_GetFormatFromFIF( fif ) ) + strlen(
+		                       ERRORPUNCTUATION );
+	}
+
+	lastErrorMessage = malloc( totalLength );
+
+	if( fif != FIF_UNKNOWN ) {
+		sprintf( lastErrorMessage,
+		         "%s" ERRORPUNCTUATION "%s",
+		         FreeImage_GetFormatFromFIF( fif ),
+		         message );
+	} else {
+		strcpy( lastErrorMessage, message );
+	}
 }
 
-/**

-* Load the background image

-* \param bd drawing context

-* \param path filename for image file, if NULL the existing background will be removed

-* \param error returned error message

-* \return -1 unsupported or invalid file, 0 success, 1 background removed

+/**
+* Load the background image
+* \param bd drawing context
+* \param path filename for image file, if NULL the existing background will be removed
+* \param error returned error message
+* \return -1 unsupported or invalid file, 0 success, 1 background removed
 */
 
 int
-wDrawSetBackground(wDraw_p bd, char * path, char ** error)
+wDrawSetBackground( wDraw_p bd, char * path, char ** error )
 {
-    FREE_IMAGE_FORMAT fif = FIF_UNKNOWN;
+	FREE_IMAGE_FORMAT fif = FIF_UNKNOWN;
+
+	FreeImage_SetOutputMessage( HandleFreeImageError );
 
-	FreeImage_SetOutputMessage(HandleFreeImageError);
-

-	if (lastErrorMessage) {

-		free(lastErrorMessage);

-		lastErrorMessage = NULL;

+	if( lastErrorMessage ) {
+		free( lastErrorMessage );
+		lastErrorMessage = NULL;
 	}
 
-    if (path) {
-        // check the file signature and deduce its format
-        // (the second argument is currently not used by FreeImage)
-        fif = FreeImage_GetFileType(path, 0);
-
-        if (fif == FIF_UNKNOWN) {
-            // no signature ?
-            // try to guess the file format from the file extension
-            fif = FreeImage_GetFIFFromFilename(path);
-        }
-
-        // check that the plugin has reading capabilities ...
-        if ((fif != FIF_UNKNOWN) && FreeImage_FIFSupportsReading(fif)) {
-            // ok, let's load the file
-            bd->background = FreeImage_Load(fif, path, 0);
-
-            // unless a bad file format, we are done !
-            if (!bd->background) {
-                *error = lastErrorMessage;
-                return (-1);
-            } else {
-                return (0);
-            }
-        } else {
-			*error = strdup(_("Image file is invalid or cannot be read."));
-            return (-1);
-        }
-    } else {
-        if (bd->background) {
-            FreeImage_Unload(bd->background);
-            bd->background = 0;
-        }
-
-        return (1);
-    }
+	if( path ) {
+		// check the file signature and deduce its format
+		// (the second argument is currently not used by FreeImage)
+		fif = FreeImage_GetFileType( path, 0 );
+
+		if( fif == FIF_UNKNOWN ) {
+			// no signature ?
+			// try to guess the file format from the file extension
+			fif = FreeImage_GetFIFFromFilename( path );
+		}
+
+		// check that the plugin has reading capabilities ...
+		if( ( fif != FIF_UNKNOWN ) && FreeImage_FIFSupportsReading( fif ) ) {
+			// ok, let's load the file
+			bd->background = FreeImage_Load( fif, path, 0 );
+
+			// unless a bad file format, we are done !
+			if( !bd->background ) {
+				*error = lastErrorMessage;
+				return ( -1 );
+			} else {
+				return ( 0 );
+			}
+		} else {
+			*error = _strdup( _( "Image file is invalid or cannot be read." ) );
+			return ( -1 );
+		}
+	} else {
+		if( bd->background ) {
+			FreeImage_Unload( bd->background );
+			bd->background = 0;
+		}
+
+		return ( 1 );
+	}
 }
+/**
+ * Use a loaded background in another context.
+ *
+ * \param from  context with background
+ * \param to    context to get a reference to the existing background
+ */
 
-/**

-* Draw background to screen. The background will be sized and rotated before being shown. The bitmap 

-* is scaled so that the width is equal to size. The height is changed proportionally. 

-*

-* \param bd drawing context

-* \param pos_x, pos_y bitmap position

-* \param size desired width after scaling

-* \param angle 

-* \param screen visibility of bitmap in percent

+void
+wDrawCloneBackground( wDraw_p from, wDraw_p to )
+{
+	if( from->background ) {
+		to->background = from->background;
+	} else {
+		to->background = NULL;
+	}
+}
+
+/**
+* Draw background to screen. The background will be sized and rotated before being shown. The bitmap
+* is scaled so that the width is equal to size. The height is changed proportionally.
+*
+* \param bd drawing context
+* \param pos_x, pos_y bitmap position
+* \param size desired width after scaling
+* \param angle
+* \param screen visibility of bitmap in percent
 */
 
 void
-wDrawShowBackground(wDraw_p bd, wPos_t pos_x, wPos_t pos_y, wPos_t size,
-                    wAngle_t angle, int screen)
+wDrawShowBackground( wDraw_p bd, wWinPix_t pos_x, wWinPix_t pos_y,
+                     wWinPix_t size,
+                     wAngle_t angle, int screen )
 {
-    if (bd->background) {
-        double scale;
-        FIBITMAP *tmp;
-        FIBITMAP *rotated;
-
-        if (size == 0) {
-            scale = 1.0;
-        } else {
-            scale = (double)size / FreeImage_GetWidth(bd->background);
-        }
-
-        tmp = FreeImage_RescaleRect(bd->background,
-                                    (int)((double)FreeImage_GetWidth(bd->background) * scale),
-                                    (int)((double)FreeImage_GetHeight(bd->background) * scale),
-                                    0,
-                                    0,
-                                    FreeImage_GetWidth(bd->background),
-                                    FreeImage_GetHeight(bd->background),
-                                    FILTER_BILINEAR,
-                                    0);
-        FreeImage_AdjustColors(tmp, screen, -screen, 1.0, FALSE);
-        FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(tmp);
-
-        switch (image_type) {
-        case FIT_BITMAP:
-            switch (FreeImage_GetBPP(tmp)) {
-            case 8: {
-                BYTE color = 255;
-                rotated = FreeImage_Rotate(tmp, angle, &color);
-            }
-            break;
-
-            case 24: // we could also use 'RGBTRIPLE color' here
-            case 32: {
-                RGBQUAD color = { 255, 255, 255, 0 };
-                // for 24-bit images, the first 3 bytes will be read
-                // for 32-bit images, the first 4 bytes will be read
-                rotated = FreeImage_Rotate(tmp, angle, &color);
-            }
-            break;
-            }
-
-            break;
-
-        case FIT_UINT16: {
-            WORD color = 255;
-            rotated = FreeImage_Rotate(tmp, angle, &color);
-        }
-        break;
-
-        case FIT_RGB16: // we could also use 'FIRGB16 color' here
-        case FIT_RGBA16: {
-            FIRGBA16 color = { 255, 255, 255, 0 };
-            // for RGB16 images, the first 3 WORD will be read
-            // for RGBA16 images, the first 4 WORD will be read
-            rotated = FreeImage_Rotate(tmp, angle, &color);
-        }
-        break;
-
-        case FIT_FLOAT: {
-            float color = 1.0F;
-            rotated = FreeImage_Rotate(tmp, angle, &color);
-        }
-        break;
-
-        case FIT_RGBF: // we could also use 'FIRGBF color' here
-        case FIT_RGBAF: {
-            FIRGBAF color = { 1, 1, 1, 0 };
-            // for RGBF images, the first 3 float will be read
-            // for RGBAF images, the first 4 float will be read
-            rotated = FreeImage_Rotate(tmp, angle, &color);
-        }
-        break;
-        }
-
-        SetDIBitsToDevice(bd->hDc,
-                          pos_x,
-                          bd->h - pos_y - FreeImage_GetHeight(rotated),
-                          FreeImage_GetWidth(rotated),
-                          FreeImage_GetHeight(rotated),
-                          0, 0,
-                          0,
-                          FreeImage_GetHeight(rotated),
-                          FreeImage_GetBits(rotated),
-                          FreeImage_GetInfo(rotated),
-                          DIB_RGB_COLORS);
-        FreeImage_Unload(tmp);
-        FreeImage_Unload(rotated);
-    }
-}
\ No newline at end of file
+	if( bd->background ) {
+		double scale;
+		FIBITMAP *tmp;
+		FIBITMAP *rotated;
+
+		if( size == 0 ) {
+			scale = 1.0;
+		} else {
+			scale = ( double )size / FreeImage_GetWidth( bd->background );
+		}
+
+		tmp = FreeImage_RescaleRect( bd->background,
+		                             ( int )( ( double )FreeImage_GetWidth( bd->background ) * scale ),
+		                             ( int )( ( double )FreeImage_GetHeight( bd->background ) * scale ),
+		                             0,
+		                             0,
+		                             FreeImage_GetWidth( bd->background ),
+		                             FreeImage_GetHeight( bd->background ),
+		                             FILTER_BILINEAR,
+		                             0 );
+
+		if( tmp == NULL ) {
+			return;
+		}
+
+		FreeImage_AdjustColors( tmp, screen, -screen, 1.0, FALSE );
+		FREE_IMAGE_TYPE image_type = FreeImage_GetImageType( tmp );
+
+		switch( image_type ) {
+		case FIT_BITMAP:
+			switch( FreeImage_GetBPP( tmp ) ) {
+			case 8: {
+				BYTE color = 255;
+				rotated = FreeImage_Rotate( tmp, angle, &color );
+			}
+			break;
+
+			case 24: // we could also use 'RGBTRIPLE color' here
+			case 32: {
+				RGBQUAD color = { 255, 255, 255, 0 };
+				// for 24-bit images, the first 3 bytes will be read
+				// for 32-bit images, the first 4 bytes will be read
+				rotated = FreeImage_Rotate( tmp, angle, &color );
+			}
+			break;
+			}
+
+			break;
+
+		case FIT_UINT16: {
+			WORD color = 255;
+			rotated = FreeImage_Rotate( tmp, angle, &color );
+		}
+		break;
+
+		case FIT_RGB16: // we could also use 'FIRGB16 color' here
+		case FIT_RGBA16: {
+			FIRGBA16 color = { 255, 255, 255, 0 };
+			// for RGB16 images, the first 3 WORD will be read
+			// for RGBA16 images, the first 4 WORD will be read
+			rotated = FreeImage_Rotate( tmp, angle, &color );
+		}
+		break;
+
+		case FIT_FLOAT: {
+			float color = 1.0F;
+			rotated = FreeImage_Rotate( tmp, angle, &color );
+		}
+		break;
+
+		case FIT_RGBF: // we could also use 'FIRGBF color' here
+		case FIT_RGBAF: {
+			FIRGBAF color = { 1, 1, 1, 0 };
+			// for RGBF images, the first 3 float will be read
+			// for RGBAF images, the first 4 float will be read
+			rotated = FreeImage_Rotate( tmp, angle, &color );
+		}
+		break;
+		}
+
+		SetDIBitsToDevice( bd->hDc,
+		                   pos_x,
+		                   bd->h - pos_y - FreeImage_GetHeight( rotated ),
+		                   FreeImage_GetWidth( rotated ),
+		                   FreeImage_GetHeight( rotated ),
+		                   0, 0,
+		                   0,
+		                   FreeImage_GetHeight( rotated ),
+		                   FreeImage_GetBits( rotated ),
+		                   FreeImage_GetInfo( rotated ),
+		                   DIB_RGB_COLORS );
+		FreeImage_Unload( tmp );
+		FreeImage_Unload( rotated );
+	}
+}