3129 Image resolutionVariant = getResolutionVariant(mrImage, width, height,
3130 dx1, dy1, dx2, dy2,
3131 sx1, sy1, sx2, sy2,
3132 xform);
3133
3134 if (resolutionVariant != img && resolutionVariant != null) {
3135 // recalculate source region for the resolution variant
3136
3137 ImageObserver rvObserver = MultiResolutionToolkitImage.
3138 getResolutionVariantObserver(img, observer,
3139 width, height, -1, -1);
3140
3141 int rvWidth = resolutionVariant.getWidth(rvObserver);
3142 int rvHeight = resolutionVariant.getHeight(rvObserver);
3143
3144 if (0 < width && 0 < height && 0 < rvWidth && 0 < rvHeight) {
3145
3146 double widthScale = ((double) rvWidth) / width;
3147 double heightScale = ((double) rvHeight) / height;
3148
3149 sx1 = Region.clipScale(sx1, widthScale);
3150 sy1 = Region.clipScale(sy1, heightScale);
3151 sx2 = Region.clipScale(sx2, widthScale);
3152 sy2 = Region.clipScale(sy2, heightScale);
3153
3154 observer = rvObserver;
3155 img = resolutionVariant;
3156
3157 if (xform != null) {
3158 assert dx1 == 0 && dy1 == 0;
3159 assert dx2 == img.getWidth(observer);
3160 assert dy2 == img.getHeight(observer);
3161 AffineTransform renderTX = new AffineTransform(xform);
3162 renderTX.scale(1 / widthScale, 1 / heightScale);
3163 return transformImage(img, renderTX, observer);
3164 }
3165
3166 return scaleImage(img, dx1, dy1, dx2, dy2,
3167 sx1, sy1, sx2, sy2,
3168 bgcolor, observer);
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3129 Image resolutionVariant = getResolutionVariant(mrImage, width, height,
3130 dx1, dy1, dx2, dy2,
3131 sx1, sy1, sx2, sy2,
3132 xform);
3133
3134 if (resolutionVariant != img && resolutionVariant != null) {
3135 // recalculate source region for the resolution variant
3136
3137 ImageObserver rvObserver = MultiResolutionToolkitImage.
3138 getResolutionVariantObserver(img, observer,
3139 width, height, -1, -1);
3140
3141 int rvWidth = resolutionVariant.getWidth(rvObserver);
3142 int rvHeight = resolutionVariant.getHeight(rvObserver);
3143
3144 if (0 < width && 0 < height && 0 < rvWidth && 0 < rvHeight) {
3145
3146 double widthScale = ((double) rvWidth) / width;
3147 double heightScale = ((double) rvHeight) / height;
3148
3149 if (resolutionVariant instanceof VolatileImage) {
3150 SurfaceData sd = SurfaceManager
3151 .getManager(resolutionVariant)
3152 .getPrimarySurfaceData();
3153 widthScale *= sd.getDefaultScaleX();
3154 heightScale *= sd.getDefaultScaleY();
3155 }
3156
3157 sx1 = Region.clipScale(sx1, widthScale);
3158 sy1 = Region.clipScale(sy1, heightScale);
3159 sx2 = Region.clipScale(sx2, widthScale);
3160 sy2 = Region.clipScale(sy2, heightScale);
3161
3162 observer = rvObserver;
3163 img = resolutionVariant;
3164
3165 if (xform != null) {
3166 assert dx1 == 0 && dy1 == 0;
3167 assert dx2 == img.getWidth(observer);
3168 assert dy2 == img.getHeight(observer);
3169 AffineTransform renderTX = new AffineTransform(xform);
3170 renderTX.scale(1 / widthScale, 1 / heightScale);
3171 return transformImage(img, renderTX, observer);
3172 }
3173
3174 return scaleImage(img, dx1, dy1, dx2, dy2,
3175 sx1, sy1, sx2, sy2,
3176 bgcolor, observer);
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